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Franking R, Li LS, Lukowski MA, Meng F, Tan YZ, Hamers RJ, et al. Facile post-growth doping of nanostructured hematite photoanodes for enhanced photoelectrochemical water oxidationChemoselective Allene Aziridination via Ag(I) CatalysisIn situ investigation of vapor-deposited glasses of toluene and ethylbenzene via alter. Energy & Environmental Science. 2013;6:500-512. |
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DeKorver KA, Hsung RP, Song WZ, Wang XN, Walton MC. An Intramolecular 2+2 Cycloaddition of Ketenimines via Palladium-Catalyzed Rearrangements of N-Allyl-Ynamides. Organic Letters. 2012;14:3214-3217. |
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DeKorver KA, Wang XN, Walton MC, Hsung RP. Carbocyclization Cascades of Ally! Ketenimines via Aza-Claisen Rearrangements of N-Phosphoryl-N-allyl-ynamides. Organic Letters. 2012;14:1768-1771. |
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Feltenberger JB, Ko C, Deng J, Ghosh SK, Hsung RP. DEVELOPMENT OF AN INTRAMOLECULAR GASSMAN'S 2+2 CYCLOADDITION. Heterocycles. 2012;84:843-878. |
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Hayashi R, Ma ZX, Hsung RP. A Tandem 1,3-H-Shift-6 pi-Electrocyclization-Cyclic 2-Amido-diene Intramolecular Diels-Alder Cycloaddition Approach to BCD-Ring of Atropurpuran. Organic Letters. 2012;14:252-255. |
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Ma ZX, Feltenberger JB, Hsung RP. Total Syntheses of Chelidonine and Norchelidonine via an Enamide-Benzyne- 2+2 Cycloaddition Cascade. Organic Letters. 2012;14:2742-2745. |
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Tang Y, Yang JH, Liu J, Wang CC, Lv MC, Wu YB, et al. ASSEMBLY OF THE SOUTHERN MACROCYCLIC HALF OF (+)-SPIRASTRELLOLIDE A THROUGH CYCLIC ACETAL TETHERED RING-CLOSING METATHESIS AND 1,3-ANTI-MUKAIYAMA-ALDOL. Heterocycles. 2012;86:565-598. |
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Deng J, Hsung RP, Ko CH. Gassman's Cationic 2+2 Cycloadditions Using Temporary Tethers. Organic Letters. 2012;14:5562-5565. |
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Li H, Tang Y, Hsung RP. Investigating thermal dimerization of N-methyl-flindersine. Syntheses and characterizations of paraensidimerines. Tetrahedron Letters. 2012;53:6138-6143. |
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Al-Rashid ZF, Hsung RP. (+)-Arisugacin A-Computational evidence of a dual binding site covalent inhibitor of acetylcholinesterase. Bioorganic & Medicinal Chemistry Letters. 2011;21:2687-2691. |
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Antoline JE, Krenske EH, Lohse AG, Houk KN, Hsung RP. Stereoselectivities and Regioselectivities of (4+3) Cycloadditions Between Allenamide-Derived Chiral Oxazolidinone-Stabilized Oxyallyls and Furans: Experiment and Theory. Journal of the American Chemical Society. 2011;133:14443-14451. |
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Buchanan GS, Cole KP, Li G, Tang Y, You LF, Hsung RP. Constructing the architecturally distinctive ABD-tricycle of phomactin A through an intramolecular oxa- 3+3 annulation strategy. Tetrahedron. 2011;67:10105-10118. |
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Buchanan GS, Cole KP, Tang Y, Hsung RP. Total Synthesis of (+/-)-Phomactin A. Lessons Learned from Respecting a Challenging Structural Topology. Journal of Organic Chemistry. 2011;76:7027-7039. |
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Buchanan GS, Dai HF, Hsung RP, Gerasyuto AI, Scheinebeck CM. Asymmetric Aza- 3+3 Annulation in the Synthesis of Indolizidines: An Unexpected Reversal of Regiochemistry. Organic Letters. 2011;13:4402-4405. |
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DeKorver KA, Johnson WL, Zhang Y, Hsung RP, Dai HF, Deng J, et al. N-Allyl-N-sulfonyl Ynamides as Synthetic Precursors to Amidines and Vinylogous Amidines. An Unexpected N-to-C 1,3-Sulfonyl Shift in Nitrile Synthesis. Journal of Organic Chemistry. 2011;76:5092-5103. |
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DeKorver KA, Walton MC, North TD, Hsung RP. Introducing a New Class of N-Phosphoryl Ynamides via Cu(I)-Catalyzed Amidations of Alkynyl Bromides. Organic Letters. 2011;13:4862-4865. |
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Feltenberger JB, Hsung RP. Oppolzer-Type Intramolecular Die-Alder Cycloadditions via Isomerizations of Allenamides. Organic Letters. 2011;13:3114-3117. |
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Figueroa R, Feltenberger JB, Guevarra CC, Hsung RP. Two remarkable epimerizations imperative for the success of an asymmetric total synthesis of (+)-aigialospirol. Science China-Chemistry. 2011;54:31-42. |
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Ghosh SK, Wei YG, Gerasyuto AI, Feltenberger JB, Wang JS, Hsung RP. A CYCLIC ACETAL TETHERED INTRAMOLECULAR DIELS-ALDER CYCLOADDITION. STUDIES DIRECTED TOWARD A TOTAL SYNTHESIS OF (+/-)-FUSIDILACTONE C. Heterocycles. 2011;82:1379-+. |
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Hayashi R, Feltenberger JB, Lohse AG, Walton MC, Hsung RP. An efficient and practical entry to 2-amido-dienes and 3-amido-trienes from allenamides through stereoselective 1,3-hydrogen shifts. Beilstein Journal of Organic Chemistry. 2011;7:410-420. |
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Kenealey JD, Subramanian L, Van Ginke PR, Darjatmoko S, Lindstrom MJ, Somoza V, et al. Resveratrol Metabolites Do Not Elicit Early Pro-apoptotic Mechanisms in Neuroblastoma Cells. Journal of Agricultural and Food Chemistry. 2011;59:4979-4986. |
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Lohse AG, Hsung RP. (4+3) Cycloaddition Reactions of Nitrogen-Stabilized Oxyallyl Cations. Chemistry-A European Journal. 2011;17:3812-3822. |
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Lohse AG, Hsung RP, Leider MD, Ghosh SK. Developing a Diastereoselective Intramolecular 4+3 Cycloaddition of Nitrogen-Stabilized Oxyallyl Cations Derived from N-Sulfonyl-Substituted Allenamides. Journal of Organic Chemistry. 2011;76:3246-3257. |
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Buchanan GS, Feltenberger JB, Hsung RP. Aza- 3+3 Annulations: A New Unified Strategy in Alkaloid Synthesis. Current Organic Synthesis. 2010;7:363-401. |
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DeKorver KA, Hsung RP, Lohse AG, Zhang Y. A Divergent Mechanistic Course of Pd(0)-Catalyzed Aza-Claisen Rearrangement and Aza-Rautenstrauch-Type Cyclization of N-Allyl Ynamides. Organic Letters. 2010;12:1840-1843. |
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DeKorver KA, Li HY, Lohse AG, Hayashi R, Lu ZJ, Zhang Y, et al. Ynamides: A Modern Functional Group for the New Millennium. Chemical Reviews. 2010;110:5064-5106. |
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DeKorver KA, North TD, Hsung RP. An Efficient Synthesis of de novo Imidates via Aza-Claisen Rearrangements of N-Allyl Ynamides. Synlett. 2010;:2397-2402. |
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Hayashi R, Feltenberger JB, Hsung RP. Torquoselective Ring Closures of Chiral Amido Trienes Derived from Allenamides. A Tandem Allene Isomerization-Pericyclic Ring-Closure-Intramolecular Diels-Alder Cycloaddition. Organic Letters. 2010;12:1152-1155. |
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Hayashi R, Walton MC, Hsung RP, Schwab JH, Yu XL. Stereoselective 6 pi-Electron Electrocyclic Ring Closures of 2-Halo-Amidotrienes via a Remote 1,6-Asymmetric Induction. Organic Letters. 2010;12:5768-5771. |
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Krenske EH, Houk KN, Lohse AG, Antoline JE, Hsung RP. Stereoselectivity in oxyallyl-furan (4+3) cycloadditions: control of intermediate conformations and dispersive stabilisation in cycloadditions involving oxazolidinone auxiliaries. Chemical Science. 2010;1:387-392. |
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Li HY, Antoline JE, Yang JH, Al-Rashid ZF, Hsung RP. A stereoselective intramolecular cyclopropanation via a de novo class of push-pull carbenes derived from DMDO-epoxidations of chiral ynamides. New Journal of Chemistry. 2010;34:1309-1316. |
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Li HY, Hsung RP, DeKorver KA, Wei YG. Copper-Catalyzed Ficini 2+2 Cycloaddition of Ynamides. Organic Letters. 2010;12:3780-3783. |
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Lohse AG, Krenske EH, Antoline JE, Houk KN, Hsung RP. Regioselectivities of (4+3) Cycloadditions between Furans and Oxazolidinone-Substituted Oxyallyls. Organic Letters. 2010;12:5506-5509. |
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Feltenberger JB, Hayashi R, Tang Y, Babiash ESC, Hsung RP. Enamide-Benzyne- 2+2 Cycloaddition: Stereoselective Tandem 2+2 -Pericyclic Ring-Opening-Intramolecular N-Tethered 4+2 Cycloadditions. Organic Letters. 2009;11:3666-3669. |
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Hayashi R, Hsung RP, Feltenberger JB, Lohse AG. Regio- and Stereoselective Isomerizations of Allenamides: Synthesis of 2-Amido-Dienes and Their Tandem Isomerization-Electrocyclic Ring-Closure. Organic Letters. 2009;11:2125-2128. |
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Li G, Carlson LJ, Sagamanova IK, Slafer BW, Hsung RP, Gilardi C, et al. Stereodivergent Approach to Both C2,8a-syn and C2,8a-anti Relative Stereochemical Manifolds in the Lepadin Family via a TiCl4-Promoted Aza- 3+3 Annulation. Synthesis-Stuttgart. 2009;:2905-2914. |
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Li G, Hsung RP. Assignment of the C5 ' Relative Stereochemistry in (+)-Lepadin F and (+)-Lepadin G and Absolute Configuration of (+)-Lepadin G. Organic Letters. 2009;11:4616-4619. |
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Li HY, Hsung RP. Highly Substituted 2-Amido-furans From Rh(II)-Catalyzed Cyclopropenations of Ynamides. Organic Letters. 2009;11:4462-4465. |
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Lohse AG, Hsung RP. Thermal Intramolecular 4+2 Cycloadditions of Allenamides: A Stereoselective Tandem Propargyl Amide Isomerization-Cycloaddition. Organic Letters. 2009;11:3430-3433. |
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Lu T, Hayashi R, Hsung RP, DeKorver KA, Lohse AG, Song ZL, et al. Synthesis of amido-spiro 2.2 pentanes via Simmons-Smith cyclopropanation of allenamides. Organic & Biomolecular Chemistry. 2009;7:3331-3337. |
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Oppenheimer J, Johnson WL, Figueroa R, Hayashi R, Hsung RP. A rhodium(I)-xylyl-BINAP catalyzed asymmetric ynamide- 2+2+2 cycloaddition in the synthesis of optically enriched N,O-biaryls. Tetrahedron. 2009;65:5001-5012. |
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Song ZL, Lohse AG, Hsung RP. Challenges in the synthesis of a unique mono-carboxylic acid antibiotic, (+)-zincophorin. Natural Product Reports. 2009;26:560-571. |
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Tang Y, Cole KP, Buchanan GS, Li G, Hsung RP. Total Synthesis of Phomactin A. Organic Letters. 2009;11:1591-1594. |
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Zhang Y, DeKorver KA, Lohse AG, Zhang YS, Huang J, Hsung RP. Synthesis of Amidines Using N-Allyl Ynamides. A Palladium-Catalyzed Allyl Transfer through an Ynamido-pi-Allyl Complex. Organic Letters. 2009;11:899-902. |
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Zhang Y, Gerasyuto AI, Long QA, Hsung RP. A General Approach to the Quinolizidine Alkaloids via an Intramolecular Aza- 3+3 Annulation: Synthesis of (+/-)-2-Deoxylasubine II. Synlett. 2009;:237-240. |
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Al-Rashid ZF, Hsung RP. Reactive intermediates from DMDO oxidation of ynamides. Trapping of a de novo chiral push-pull carbene via cyclopropanation. Organic Letters. 2008;10:661-663. |
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Al-Rashid ZF, Johnson WL, Hsung RP, Wei YG, Yao PY, Liu RH, et al. Synthesis of alpha-Keto-Imides via Oxidation of Ynamides. Journal of Organic Chemistry. 2008;73:8780-8784. |
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Antoline JE, Hsung RP. An unexpected reversal of diastereoselectivity in the 4+3 -cycloaddition reaction of nitrogen-stabilized oxyallyl cations with methyl 2-furoate. Synlett. 2008;:739-744. |
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Ghosh SK, Buchanan GS, Long QA, Wei Y, Al-Rashid ZF, Sklenicka HM, et al. Aza- and carbo- 3+3 annulations of exo-cyclic vinylogous amides and urethanes. Synthesis of tetrahydroindolizidines and an unexpected formation of hexahydroquinolines. Tetrahedron. 2008;64:883-893. |
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Ko CG, Feltenberger JB, Ghosh SK, Hsung RP. Gassman's intramolecular 2+2 cationic cycloaddition. Formal total syntheses of raikovenal and epi-raikovenal. Organic Letters. 2008;10:1971-1974. |
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Li G, Hsung RP, Slafer BW, Sagamanova IK. Total Synthesis of (+)-Lepadin F. Organic Letters. 2008;10:4991-4994. |
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Lu T, Song ZL, Hsung RP. A mutually pi-facial selective cyclopropanation of chiral enamides using dirhodium(II) carbenoids. Organic Letters. 2008;10:541-544. |
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Tang Y, Shen LC, Dellaria BJ, Hsung RP. Saucy-Marbet rearrangements of alkynyl halides in the synthesis of highly enantiomerically enriched allenyl halides. Tetrahedron Letters. 2008;49:6404-6409. |
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Yang JH, Liu J, Hsung RP. Synthesis of the C1-C23 fragment of spirastrellolide A. Organic Letters. 2008;10:2525-2528. |
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Yao PY, Zhang Y, Hsung RP, Zhao K. A sequential metal-catalyzed C-N bond formation in the synthesis of 2-amido-indoles. Organic Letters. 2008;10:4275-4278. |
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You LF, Hsung RP, Bedermann AA, Kurdyumov AV, Tang Y, Buchanan GS, et al. An Enantioselective Synthesis of the ABD Tricycle for (-)-Phomactin A Featuring Rawal's Asymmetric Diels-Alder Cycloaddition. Advanced Synthesis & Catalysis. 2008;350:2885-2891. |
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Zhang XJ, Hsung RP, Li HY, Zhang Y, Johnson WL, Figueroa R. A highly stereoselective synthesis of chiral alpha-amino-beta-lactams via the Kinugasa reaction employing ynamides. Organic Letters. 2008;10:3477-3479. |
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Sagamanova IK, Kurtz KCM, Hsung RP. PRACTICAL SYNTHESIS OF A CHIRAL YNAMIDE: (R)-4-PHENYL-3-(2-TRIISOPROPYLSILYL-ETHYNYL)OXAZOLIDIN-2-ONE 2-Oxazolidinone, 4-Phenyl-3-(2-triisopropylsilyl-ethynyl)-, (4R)-. In: Miller MJ. . 2007. p. 359-367. |
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Antoline JE, Hsung RP, Huang J, Song ZL, Li G. Highly stereoselective 4+3 cycloadditions of nitrogen-stabilized oxyallyl cations with pyrroles. An approach to parvineostemonine. Organic Letters. 2007;9:1275-1278. |
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Figueroa R, Hsung RP, Guevarra CC. An enantioselective total synthesis of (+)-aigialospirol. Organic Letters. 2007;9:4857-4859. |
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Gerasyuto AI, Hsung RP. An intramolecular aza- 3+3 annulation approach to azaphenalene alkaloids. Total synthesis of myrrhine. Journal of Organic Chemistry. 2007;72:2476-2484. |
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Ko C, Hsung RP, Al-Rashid ZF, Feltenberger JB, Lu T, Yang JH, et al. A stereoselective intramolecular halo-etherification of chiral enamides in the synthesis of halogenated cyclic ethers. Organic Letters. 2007;9:4459-4462. |
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Ko CH, Hsung RP. An unusual stereoselectivity in the anomeric substitution with carbamates promoted by HNTf2. Organic & Biomolecular Chemistry. 2007;5:431-434. |
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Li HY, You LF, Zhang XJ, Johnson WL, Figueroa R, Hsung RP. Syntheses of amide-substituted isoxazoles and pyrazoles via regioselective 3+2 cycloadditions of terminally unsubstituted ynamides. Heterocycles. 2007;74:553-568. |
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Oppenheimer J, Hsung RP, Figueroa R, Johnson WL. Stereochemical control of both C-C and C-N axial chirality in the synthesis of chiral N,O-biaryls. Organic Letters. 2007;9:3969-3972. |
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Oppenheimer J, Johnson WL, Tracey MR, Hsung RP, Yao PY, Liu RH, et al. A rhodium(I)-catalyzed demethylation-cyclization of o-anisole-substituted ynamides in the synthesis of chiral 2-amido benzofurans. Organic Letters. 2007;9:2361-2364. |
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Song ZL, Hsung RP. A formal total synthesis of (+)-zincophorin. Observation of an unusual urea-directed Stork-Crabtree hydrogenation. Organic Letters. 2007;9:2199-2202. |
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Song ZL, Hsung RP, Lu T, Lohse AG. Studies on a urea-directed Stork-Crabtree hydrogenation. Synthesis of the C1-C9 subunit of (+)-zincophorin. Journal of Organic Chemistry. 2007;72:9722-9731. |
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Song ZL, Lu T, Hsung RP, Al-Rashid ZF, Ko CH, Tang Y. Stereoselective Simmons-Smith cyclopropanation of chiral enamides. Angewandte Chemie-International Edition. 2007;46:4069-4072. |
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You LF, Al-Rashid ZF, Figueroa R, Ghosh SK, Li G, Lu T, et al. A two-carbon homologation of aldehydes and ketones using ynamides. Synlett. 2007;:1656-1662. |
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Zhang XJ, Hsung RP, Li HY. A triazole-templated ring-closing metathesis for constructing novel fused and bridged triazoles. Chemical Communications. 2007;:2420-2422. |
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Zhang XJ, McLaughlin M, Munoz RLP, Hsung RP, Wang J, Swidorski J. Syntheses of 2-pyrones via electrophilic substitutions at C7 of 4-hydroxy-6-methyl-2-pyrone through mono- or dianion formation. Synthesis-Stuttgart. 2007;:749-753. |
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Gerasyuto AI, Hsung RP. Stereodivergent total syntheses of precoccinelline, hippodamine, coccinelline, and convergine. Organic Letters. 2006;8:4899-4902. |
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Ghosh SK, Ko C, Liu J, Wang J, Hsung RP. A ketal-tethered RCM strategy toward the synthesis of spiroketal related natural products. Tetrahedron. 2006;62:10485-10496. |
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Hsung RP. Chemistry of electron-deficient ynamines and ynamides - Preface. Tetrahedron. 2006;62:3781-3782. |
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Huang J, Ianni JC, Antoline JE, Hsung RP, Kozlowski MC. De novo chiral amino alcohols in catalyzing asymmetric additions to aryl aldehydes. Organic Letters. 2006;8:1565-1568. |
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Kurdyumov AV, Hsung RP. An unusual cationic 2+2 cycloaddition in a divergent total synthesis of hongoquercin A and rhododaurichromanic acid A. Journal of the American Chemical Society. 2006;128:6272-6273. |
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Kurdyumov AV, Lin N, Hsung RP, Gullickson GC, Cole KP, Sydorenko N, et al. A Lewis acid-catalyzed formal 3+3 cycloaddition of alpha,beta-unsaturated aldehydes with 4-hydroxy-2-pyrone, diketones, and vinylogous esters. Organic Letters. 2006;8:191-193. |
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Kurdyumov AV, Munoz RLP, Hsung RP. Total syntheses of daldiniapyrone, Annularin B, and (+/-)-Annularin F. Synthesis-Stuttgart. 2006;:1787-1790. |
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Kurtz KCM, Frederick MO, Lambeth RH, Mulder JA, Tracey MR, Hsung RP. Synthesis of chiral allenes from ynamides through a highly stereoselective Saucy-Marbet rearrangement. Tetrahedron. 2006;62:3928-3938. |
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Kurtz KCM, Hsung RP, Zhang YS. A ring-closing yne-carbonyl metathesis of ynamides. Organic Letters. 2006;8:231-234. |
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Liu J, Yang JH, Ko CH, Hsung RP. Synthesis of the C1-C16 fragment of spirastrellolide A. Tetrahedron Letters. 2006;47:6121-6123. |
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Swidorski JJ, Wang JS, Hsung RP. A concise total synthesis of (-)-cylindricine C through a stereoselective intramolecular aza- 3+3 annulation strategy. Organic Letters. 2006;8:777-780. |
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Sydorenko N, Hsung RP, Vera EL. Torquoselective 6 pi-electron electrocyclic ring closure of 1-azatrienes containing acyclic chirality at the C-terminus. Organic Letters. 2006;8:2611-2614. |
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Tang Y, Oppenheimer J, Song ZL, You LF, Zhang XJ, Hsung RP. Strategies and approaches for constructing 1-oxadecalins. Tetrahedron. 2006;62:10785-10813. |
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Tracey MR, Oppenheimer J, Hsung RP. Rhodium(I)-catalyzed 2+2+2 cycloadditions of ynamides in the synthesis of amide-substituted chiral biaryls. Journal of Organic Chemistry. 2006;71:8629-8632. |
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Wang JS, Swidorski JJ, Sydorenko N, Hsung RP, Coverdale HA, Kuyava JM, et al. Aza- 3+3 annulations. Part 6. Total syntheses of putative (-)-lepadiformine and (-)-cylindricine C. Heterocycles. 2006;70:423-+. |
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Zhang XJ, Hsung RP, You LF. Tandem azidination- and hydroazidination-Huisgen 3+2 cycloadditions of ynamides. Synthesis of chiral amide-substituted triazoles. Organic & Biomolecular Chemistry. 2006;4:2679-2682. |
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Zhang XJ, Li HY, You LF, Tang Y, Hsung RP. Copper salt-catalyzed azide- 3+2 cycloadditions of ynamides and bis-ynamides. Advanced Synthesis & Catalysis. 2006;348:2437-2442. |
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Zhang XJ, Zhang YS, Huang J, Hsung RP, Kurtz KCM, Oppenheimer J, et al. Copper(II)-catalyzed amidations of alkynyl bromides as a general synthesis of ynamides and Z-enamides. An intramolecular amidation for the synthesis of macrocyclic ynamides. Journal of Organic Chemistry. 2006;71:4170-4177. |
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Berry CR, Hsung RP, Antoline JE, Petersen ME, Challeppan R, Nielson JA. Syntheses of 2,5-disubstituted dihydrofurans from gamma-substituted chiral allenamides. Journal of Organic Chemistry. 2005;70:4038-4042. |
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Cole KP, Hsung RP. Unique structural topology and reactivities of the ABD tricycle in phomactin A. Chemical Communications. 2005;:5784-5786. |
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Gerasyuto AI, Hsung RP, Sydorenko N, Slafer B. A formal 3+3 cycloaddition reaction. 5. An enantioselective intramolecular formal aza- 3+3 cycloaddition reaction promoted by chiral amine salts. Journal of Organic Chemistry. 2005;70:4248-4256. |
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Ghosh SK, Hsung RP, Liu J. An anomeric control on remote stereochemistry in the synthesis of spiroketals. Journal of the American Chemical Society. 2005;127:8260-8261. |
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Huang J, Hsung RP. Chiral Lewis acid-catalyzed highly enantioselective 4+3 cycloaddition reactions of nitrogen-stabilized oxyallyl cations derived from allenamides. Journal of the American Chemical Society. 2005;127:50-51. |
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Liu J, Hsung RP. Synthesis of the C11-C23 fragment of spirastrellolide A. A ketal-tethered RCM approach to the construction of spiroketals. Organic Letters. 2005;7:2273-2276. |
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Liu J, Swidorski JJ, Peters SD, Hsung RP. An N-acyliminium cyclization approach to a total synthesis of (+)-cylindricine C. Journal of Organic Chemistry. 2005;70:3898-3902. |
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Shen LC, Hsung RP. Highly regioselective radical cyclizations of allenamides. Organic Letters. 2005;7:775-778. |
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Shen LC, Hsung RP, Zhang YS, Antoline JE, Zhang XJ. Copper-catalyzed stereospecific N-allenylations of amides. Syntheses of optically enriched chiral allenamides. Organic Letters. 2005;7:3081-3084. |
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Sydorenko N, Zificsak CA, Gerasyuto AI, Hsung RP. Total syntheses of enantiomerically enriched R-(+)- and S-(-)-deplancheine. Organic & Biomolecular Chemistry. 2005;3:2140-2144. |
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Zhang YS, Hsung RP, Zhang XJ, Huang J, Slafer BW, Davis A. Bronsted acid-catalyzed highly stereoselective arene-ynamide cyclizations. A novel keteniminium Pictet-Spengler cyclization syntheses of (+/-)-desbromoarborescidines A and C. Organic Letters. 2005;7:1047-1050. |
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Berry CR, Hsung RP. Inverse electron-demand aza- 4+2 cycloaddition reactions of allenamides. Tetrahedron. 2004;60:7629-7636. |
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Ghosh SK, Hsung RP, Wang JS. Ketal-tethered ring-closing metathesis. An unconventional approach to constructing spiroketals and total synthesis of an insect pheromone. Tetrahedron Letters. 2004;45:5505-5510. |
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Hsung RP, Kurdyumov AV, Sydorenko N. A formal 3+3 cycloaddition approach to natural-product synthesis. European Journal of Organic Chemistry. 2004;:23-44. |
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Liu J, Hsung RP, Peters SD. Total syntheses of (+)-cylindricines C-E and (-)-lepadiformine through common intermediate derived from aza-prins cyclization and Wharton's rearrangement. Organic Letters. 2004;6:3989-3992. |
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Rameshkumar C, Hsung RP. A tandem epoxidation/stereoselective intramolecular 4+3 cycloaddition reaction involving nitrogen-stabilized oxyallyl cations derived from chiral allenamides. Angewandte Chemie-International Edition. 2004;43:615-618. |
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Sydorenko N, Hsung RP, Darwish OS, Hahn JM, Liu J. Tetronamides as latent acyclic vinylogous amides in formal aza- 3+3 cycloaddition reactions with alpha,beta-unsaturated iminium salts. An unexpected rearrangement and an approach to synthesis of substituted piperidines. Journal of Organic Chemistry. 2004;69:6732-6738. |
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Tracey MR, Grebe TP, Brennessel WW, Hsung RP. (4R)-3-Allenyl-4-(diphenylmethyl)oxazolidin-2-one, an unsubstituted allenamide. Acta Crystallographica Section C-Crystal Structure Communications. 2004;60:O830-O832. |
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Tracey MR, Hsung RP, Lambeth RH. Allylated beta-ketoesters as precursors in Paal-Knorr-type pyrrole synthesis: Preparations of chiral and bispyrroles. Synthesis-Stuttgart. 2004;:918-922. |
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Tracey MR, Zhang YS, Frederick MO, Mulder JA, Hsung RP. Sonogashira cross-couplings of ynamides. Syntheses of urethane- and sulfonamide-terminated conjugated phenylacetylenic systems. Organic Letters. 2004;6:2209-2212. |
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Wang JS, Hsung RP, Ghosh SK. Stereoselective ketal-tethered intramolecular Diels-Alder cycloadditions. An approach to the 2-oxadecalin spiroketal core of antifungal agent fusidilactione C. Organic Letters. 2004;6:1939-1942. |
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Zhang YS, Hsung RP, Tracey MR, Kurtz KCM, Vera EL. Copper sulfate-pentahydrate-1,10-phenanthroline catalyzed amidations of alkynyl bromides. Synthesis of heteroaromatic amine substituted ynamides. Organic Letters. 2004;6:1151-1154. |
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Berry CR, Rameshkumar C, Tracey MR, Wei LL, Hsung RP. A Lewis acid mediated stereoselective removal of an anomeric urea substituent. Synlett. 2003;:791-796. |
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Cole KP, Hsung RP. Intramolecular formal oxa- 3+3 cycloaddition approach to the ABD system of phomactin A. Organic Letters. 2003;5:4843-4846. |
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Frederick MO, Hsung RP, Lambeth RH, Mulder JA, Tracey MR. Highly stereoselective Saucy-Marbet rearrangement using chiral ynamides. Synthesis of highly substituted chiral homoallenyl alcohols. Organic Letters. 2003;5:2663-2666. |
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Frederick MO, Mulder JA, Tracey MR, Hsung RP, Huang J, Kurtz KCM, et al. A copper-catalyzed C-N bond formation involving sp-hybridized carbons. A direct entry to chiral ynamides via N-alkynylation of amides. Journal of the American Chemical Society. 2003;125:2368-2369. |
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Hsung RP, Cole KP, Zehnder LR, Wang JS, Wei LL, Yang XF, et al. The total synthesis of (+/-)-arisugacin A. Tetrahedron. 2003;59:311-324. |
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Kurdyumov AV, Hsung RP, Ihlen K, Wang JS. Formal 3+3 cycloaddition approach to chromenes and chromanes. Concise total syntheses of (+/-)-rhododaurichromanic acids A and B and methyl (+/-)-daurichromenic ester. Organic Letters. 2003;5:3935-3938. |
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Luo SJ, Zificsak CA, Hsung RP. Intramolecular formal aza- 3+3 cycloaddition approach to indoloquinolizidine alkaloids. A stereoselective total synthesis of (+/-)-tangutorine. Organic Letters. 2003;5:4709-4712. |
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Mulder JA, Kurtz KCM, Hsung RP. In search of an atom-economical synthesis of chiral ynamides. Synlett. 2003;:1379-1390. |
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Mulder JA, Kurtz KCM, Hsung RP, Coverdale H, Frederick MO, Shen LC, et al. Highly stereoselective synthesis of novel alpha-haloenamides via a mild and efficient hydrohalogenation of ynamides. Organic Letters. 2003;5:1547-1550. |
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Rameshkumar C, Hsung RP. Pyranyl heterocycles from inverse electron demand hetero 4+2 cycloaddition reactions of chiral allenamides as a new chiral template for constructing C-glycoside substrates. Synlett. 2003;:1241-1246. |
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Shen HC, Wang JS, Cole KP, McLaughlin MJ, Morgan CD, Douglas CJ, et al. A formal 3+3 cycloaddition reaction. Improved reactivity using alpha,beta-unsaturated iminium salts and evidence for reversibility of 6 pi-electron electrocyclic ring closure of 1-oxatrienes. Journal of Organic Chemistry. 2003;68:1729-1735. |
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Shen LC, Hsung RP. Pauson-Khand cycloaddition reactions of chiral ynamides. Observation of an unusual endo-addition with norbornadiene. Tetrahedron Letters. 2003;44:9353-9358. |
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Wei LL, Xiong H, Hsung RP. The emergence of allenamides in organic synthesis. Accounts of Chemical Research. 2003;36:773-782. |
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Xiong H, Huang J, Ghosh SK, Hsung RP. Stereoselective intramolecular 4+3 cycloadditions of nitrogen-stabilized chiral oxyallyl cations via epoxidation of N-tethered allenamides. Journal of the American Chemical Society. 2003;125:12694-12695. |
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Cole KP, Hsung RP. The first enantioselective total synthesis of (-)-arisugacin A. Tetrahedron Letters. 2002;43:8791-8793. |
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Cole KP, Hsung RP, Yang XF. The total synthesis of (+/-)-arisugacin A. Tetrahedron Letters. 2002;43:3341-3345. |
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Huang J, Xiong H, Hsung RP, Rameshkumar C, Mulder JA, Grebe TP. The first successful base-promoted isomerization of propargyl amides to chiral ynamides. Applications in ring-closing metathesis of ene-ynamides and tandem RCM of diene-ynamides. Organic Letters. 2002;4:2417-2420. |
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McLaughlin MJ, Hsung RP, Cole KP, Hahn JM, Wang JS. A novel and highly stereoselective approach to aza-spirocycles. A short total synthesis of 2-epi-(+/-)-perhydrohistrionicotoxin and an unprecedented decarboxylation of 2-pyrones. Organic Letters. 2002;4:2017-2020. |
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Mulder JA, Hsung RP, Frederick MO, Tracey MR, Zificsak CA. The first stereoselective Ficini-Claisen rearrangement using chiral ynamides. Organic Letters. 2002;4:1383-1386. |
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Rameshkumar C, Xiong H, Tracey MR, Berry CR, Yao LJ, Hsung RP. NMR studies on epoxidations of allenamides. Evidence for formation of nitrogen-substituted allene oxide and spiro-epoxide via trapping experiments. Journal of Organic Chemistry. 2002;67:1339-1345. |
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Sklenicka HM, Hsung RP, McLaughlin MJ, Wei LI, Gerasyuto AI, Brennessel WB. Stereoselective formal 3+3 cycloaddition approach to cis-1-azadecalins and synthesis of ((-))-4a,8a-diepi-pumiliotoxin C. Evidence for the first highly stereoselective 6 pi-electron electrocyclic ring closures of 1-azatrienes. Journal of the American Chemical Society. 2002;124:10435-10442. |
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Wang J, Cole KP, Wei LL, Zehnder LR, Hsung RP. An unexpected retro-aldol-aldol in the AB-ring in the synthesis of (+/-)-arisugacin A. Tetrahedron Letters. 2002;43:3337-3340. |
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Xiong H, Hsung RP, Shen LC, Hahn JM. Chiral enamide. Part 1: Epoxidations of chiral enamides. A viable approach to chiral nitrogen stabilized oxyallyl cations in 4+3 cycloadditions. Tetrahedron Letters. 2002;43:4449-4453. |
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Darwish OS, Granum KA, Tan Q, Hsung RP. An unexpected ring-opening of a 2-pyrone ring at low temperatures. A mild and expeditious synthesis of novel coumarins. Tetrahedron Letters. 2001;42:3283-3286. |
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Hsung RP, Wulff WD, Chamberlin S, Liu Y, Liu RY, Wang H, et al. Chiral ancillaries in the benzannulations of alkoxy and amino carbene complexes with alkynes. Synthesis-Stuttgart. 2001;:200-220. |
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McLaughlin MJ, Hsung RP. Total syntheses of pyranoquinoline alkaloids: Simulenoline, huajiaosimuline, and (+/-)-7-demethoxyzanthodioline. Journal of Organic Chemistry. 2001;66:1049-1053. |
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McLaughlin MJ, Shen HC, Hsung RP. Chiral cycloalkylidene alpha,beta-unsaturated iminium approach to stereoselective formal 3+3 cycloaddition reaction in spiroheterocycle synthesis. Tetrahedron Letters. 2001;42:609-613. |
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Wei LL, Hsung RP, Sklenicka HM, Gerasyuto AI. A novel and highly stereoselective intramolecular formal 3+3 cycloaddition reaction of vinylogous amides tethered with alpha,beta-unsaturated aldehydes: A formal total synthesis of (+)-gephyrotoxin. Angewandte Chemie-International Edition. 2001;40:1516-+. |
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Wei LL, Mulder JA, Xiong H, Zificsak CA, Douglas CJ, Hsung RP. Efficient preparations of novel ynamides and allenamides. Tetrahedron. 2001;57:459-466. |
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Xiong H, Hsung RP, Berry CR, Rameshkumar C. The first epoxidations of 1-amidoallenes. A general entry to nitrogen-substituted oxyallyl cations in highly stereoselective 4+3 cycloadditions. Journal of the American Chemical Society. 2001;123:7174-7175. |
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Zehnder LR, Wei LL, Hsung RP, Cole KP, McLaughlin MJ, Shen HC, et al. Stereoselective trans- and cis-dihydroxylations of 2H-pyranyl and dihydropyridinyl heterocycles synthesized from formal 3+3 -cycloaddition reactions of alpha,beta-unsaturated iminium ions with 1,3-dicarbonyl equivalents. Organic Letters. 2001;3:2141-2144. |
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Zificsak CA, Mulder JA, Hsung RP, Rameshkumar C, Wei LL. Recent advances in the chemistry of ynamines and ynamides. Tetrahedron. 2001;57:7575-7606. |
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Sklenicka HM, Hsung RP, Wei LL, McLaughlin MJ, Gerasyuto AI, Degen SJ. Highly stereoselective formal 3+3 cycloaddition reactions of chiral vinylogous amides with alpha,beta-unsaturated iminiums. Organic Letters. 2000;2:1161-1164. |
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Xiong H, Hsung RP, Wei LL, Berry CR, Mulder JA, Stockwell B. The first regioselective alpha-deprotonation and functionalization of allenamides. An application in intramolecular Pauson-Khand-type cycloadditions. Organic Letters. 2000;2:2869-2871. |
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Zehnder LR, Dahl JW, Hsung RP. Lewis acid mediated condensation reactions of alpha, beta-unsaturated acids with 4-hydroxy-2-pyrones. A concise structural assignment of Fleischmann's alpha,alpha-bispyrone and Praill's alpha,gamma-bispyrone. Tetrahedron Letters. 2000;41:1901-1905. |
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Zehnder LR, Hsung RP, Wang JS, Golding GM. A concise stereoselective route to the pentacyclic frameworks of arisugacin A and territrem B. Angewandte Chemie-International Edition. 2000;39:3876-+. |
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Zhu XY, Boiadjiev V, Mulder JA, Hsung RP, Major RC. Molecular assemblies on silicon surfaces via Si-O linkages. Langmuir. 2000;16:6766-6772. |
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Bergerson WF, Mulder JA, Hsung RP, Zhu XY. Assembly of organic molecules on silicon surfaces via the Si-N linkage. Journal of the American Chemical Society. 1999;121:454-455. |
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Degen SJ, Mueller KL, Shen HC, Mulder JA, Golding GM, Wei LL, et al. Synthesis of dihydroxanthone derivatives and evaluation of their inhibitory activity against acetylcholinesterase: Unique structural analogs of tacrine based on the BCD-ring of arisugacin. Bioorganic & Medicinal Chemistry Letters. 1999;9:973-978. |
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Douglas CJ, Sklenicka HM, Shen HC, Mathias DS, Degen SJ, Golding GM, et al. Synthesis and UV studies of a small library of 6-aryl-4-hydroxy-2-pyrones. A relevant structural feature for the inhibitory property of arisugacin against acetylcholinesterase. Tetrahedron. 1999;55:13683-13696. |
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Hsung RP, Shen HC, Douglas CJ, Morgan CD, Degen SJ, Yao LJ. Sequential 1,2-addition-electrocyclic ring closures involving acyclic alpha,beta-unsaturated iminiums: A formal 3+3 cycloaddition strategy to unique pyranyl spirocycles. Journal of Organic Chemistry. 1999;64:690-691. |
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Hsung RP, Wei LL, Sklenicka HM, Douglas CJ, McLaughlin MJ, Mulder JA, et al. Formal cycloaddition reactions of vinylogous amides with alpha,beta-unsaturated iminiums. A strategy for constructing piperidinyl heterocycles. Organic Letters. 1999;1:509-512. |
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Hsung RP, Zificsak CA, Wei LL, Douglas CJ, Xiong H, Mulder JA. Lewis acid promoted hetero 2+2 cycloaddition reactions of aldehydes with 10-propynyl-9(10H)-acridone. A highly stereoselective synthesis of acrylic acid derivatives and 1,3-dienes using an electron deficient variant of ynamine. Organic Letters. 1999;1:1237-1240. |
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Hsung RP, Zificsak CA, Wei LL, Zehnder LR, Park F, Kim M, et al. A rare acid-promoted elimination of O-methyl oximes: A practical synthesis of 3-cyano-4-benzopyrones. Journal of Organic Chemistry. 1999;64:8736-8740. |
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Kiely JD, Houston JE, Mulder JA, Hsung RP, Zhu XY. Adhesion, deformation and friction for self-assembled monolayers on Au and Si surfaces. Tribology Letters. 1999;7:103-107. |
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Wei LL, Hsung RP, Xiong H, Mulder JA, Nkansah NT. First stereoselective inverse demand 4+2 cycloaddition reactions of novel chiral allenamides with heterodienes. Preparation of highly functionalized 5-arylpyranyl heterocycles. Organic Letters. 1999;1:2145-2148. |
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Wei LL, Xiong H, Douglas CJ, Hsung RP. Inverse demand 4+2 cycloaddition reactions of allenamides: reactivity scopes of an electron deficient variant of allenamines. Tetrahedron Letters. 1999;40:6903-6907. |
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Zehner RW, Parsons BF, Hsung RP, Sita LR. Tuning the work function of gold with self-assembled monolayers derived from X- C6H4-C C- (n)C6H4-SH (n = 0, 1, 2; X = H, F, CH3, CF3, and OCH3). Langmuir. 1999;15:1121-1127. |
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Granum KA, Merkel G, Mulder JA, Debbins SA, Hsung RP. Reactivity of hindered 1,1-dimethylbutadienes towards alpha,beta-unsaturated enones. Tetrahedron Letters. 1998;39:9597-9600. |
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Hsung RP. Concentration effect on the stereoselectivity of 4+2 cycloaddition reactions of 3-cyano-gamma-benzopyrone derivatives with electron rich dienes. Heterocycles. 1998;48:421-425. |
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Wang H, Hsung RP, Wulff WD. Preparation of alkenyl Fischer carbene complexes via aldol condensation with enolizable aldehydes. Tetrahedron Letters. 1998;39:1849-1852. |
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Hsung RP, Quinn JF, Weisenberg BA, Wulff WD, Yap GPA, Rheingold AL. 1,4-asymmetric induction in the formation of cyclohexadienones by chirality transfer from a transiently installed chromium-stereospecific electrocyclic ring closure of a metal complexed vinyl ketene. Chemical Communications. 1997;:615-616. |
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Sachs SB, Dudek SP, Hsung RP, Sita LR, Smalley JF, Newton MD, et al. Rates of interfacial electron transfer through pi-conjugated spacers. Journal of the American Chemical Society. 1997;119:10563-10564. |
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Dhirani AA, Zehner RW, Hsung RP, GuyotSionnest P, Sita LR. Self-assembly of conjugated molecular rods: A high-resolution STM study. Journal of the American Chemical Society. 1996;118:3319-3320. |
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Hsung RP, Wulff WD, Challener CA. Stereoselective benzannulations and cyclohexadienone annulations of Fischer carbene complexes in the synthesis of decala-2,4-dien-1-ones and in the synthesis of tetralin chromium tricarbonyl complexes. Synthesis-Stuttgart. 1996;:773-&. |
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Hsung RP, Babcock JR, Chidsey CED, Sita LR. THIOPHENOL PROTECTING GROUPS FOR THE PALLADIUM-CATALYZED HECK REACTION - EFFICIENT SYNTHESES OF CONJUGATED ARYLTHIOLS. Tetrahedron Letters. 1995;36:4525-4528. |
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Hsung RP, Chidsey CED, Sita LR. SYNTHESIS AND CHARACTERIZATION OF UNSYMMETRIC FERROCENE-TERMINATED PHENYLETHYNYL OLIGOMERS CP(2)FE- C-C-C6H4 (N),-X(X=SH, SME, SOME, AND SO(2)ME). Organometallics. 1995;14:4808-4815. |
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Hsung RP, Xu YC, Wulff WD. THE EFFECTS OF PHOSPHINE-LIGANDS ON THE BENZANNULATION REACTION OF MOLYBDENUM CARBENE COMPLEXES WITH ALKYNES. Tetrahedron Letters. 1995;36:8159-8162. |
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Wulff WD, Gilbert AM, Hsung RP, Rahm A. PHENOL FORMATION FROM THE REACTIONS OF AMINO-STABILIZED ALKENYL FISCHER CARBENE COMPLEXES. Journal of Organic Chemistry. 1995;60:4566-4575. |
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Hsung RP. AN EFFICIENT SYNTHESIS OF 2-TRIMETHYLSILYL-2-PROPENAL, A USEFUL 3-CARBON SYNTHON. Synthetic Communications. 1994;24:181-186. |
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Hsung RP, Wulff WD, Rheingold AL. FIRST STEREOSELECTIVE SYNTHESIS OF ARENE CHROMIUM TRICARBONYL COMPLEXES VIA THE BENZANNULATION REACTION. Journal of the American Chemical Society. 1994;116:6449-6450. |
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Wulff WD, Bax BM, Brandvold TA, Chan KS, Gilbert AM, Hsung RP, et al. REACTIONS OF GROUP-6 FISCHER CARBENE COMPLEXES WITH ALKYNES - EFFECT OF THE METAL ON THE PRODUCT DISTRIBUTION AND THE ISOLATION OF A NONTAUTOMERIZED CYCLOHEXADIENONE COMPLEX. Organometallics. 1994;13:102-126. |
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Hsung RP. AN IMPROVED SYNTHESIS OF 2-(BETA-BROMOETHYL)-2-METHYL-1,3-DIOXOLANE, A USEFUL METHYL VINYL KETONE EQUIVALENT. Synthetic Communications. 1990;20:1175-1179. |
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Blankespoor RL, Hsung RP, Schutt DL. ELECTROREDUCTIVE CLEAVAGE OF SUBSTITUTED 9,10-ANTHRAQUINONES IN 50-PERCENT AQUEOUS THF BUFFERS - A PH-DEPENDENT PROCESS. Journal of Organic Chemistry. 1988;53:3032-3035. |
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Blankespoor RL, Hsung RP, Schutt DL. PHOTODEMETHYLATION OF METHOXY-SUBSTITUTED 9,10-ANTHRAQUINONES IN METHANOL. Journal of Organic Chemistry. 1988;53:2877-2878. |
