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McMahon Research Group Publications

The following list of publications represents the work done by Robert J. McMahon and/or his graduate and undergraduate students from 1981 to date. If you do not have access to the full article, please feel free to email Bob McMahon or any group member for a copy.

2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |1999 | 1998 | 1997

1996| 1995 | 1994 | 1993 | 1992 | 1991 | 1990 | 1989 | 1988 | 1987 | 1986 | 1985 | 1984 | 1983 | 1982 | 1981

 

93. Shaffer, C. J.; Haenni, B. C.; McMahon, R. J., Reactive Carbon-Chain Molecules: Synthesis of 1-Diazohepta-2,4,6-triyne and Spectroscopic Characterization of Triplet HC₇H (H-C≡C-C=C=C-C≡C-H).  J. Am. Chem. Soc. 2012, Manuscript Submitted.

 

92. Pharr, C. R.; Kopff, L. A.; Bennett, B.; Reid, S. A.; McMahon, R. J., Photochemistry of Furyl and Thienyl Diazomethanes: Spectroscopy and Characterization of Triplet 3-Thienyl Carbene.  J. Am. Chem. Soc. 2012, 134, 6443-6454. View Article

91. Stanton, J. F.; Garand, E.; Kim, J.; Yacovitch, T. I.; Hock, C.; Case, A. S.; Miller, E. M.; Lu,Y. J. Vogelhuber, K. M.; Wren, S. W.; Ichino, T.; Maier, J. P.; McMahon, R. J.; Osborn, D. L.; Neumark, D. M.; Lineberger, W. C., Ground and Low-Lying Excited States of Propadienylidene (H₂C=C=C:) Obtained by Negative Ion Photoelectron Spectroscopy.  J. Chem. Phys. 2012, 136, 134312-134316. View Article

90. Dawson, K.; Kopff, L. A.; Zhu, L.; McMahon, R. J.; Yu, L.; Richert, R.; Ediger, M. D., Molecular Packing in Highly Stable Glasses of Vapor-Deposited Tris-naphthylbenzene Isomers.  J. Chem. Phys. 2012, 136, 094505-094511. View Article

89. George, L.; Kalume, A.; Reid, S. A.; Esselman, B. J.; McMahon, R. J., Spectroscopic and Computational Studies of Matrix-Isolated iso-CXBr₃ (X = F, Cl, Br):  Structure, Properties, and Photochemistry of Substituted iso-Tribromomethanes.  J. Mol. Struc. 2012, Accepted. View Article

88. Sebree, J. A.; Kidwell, N. M.; Selby, T. M.; Amberger, B. K.; McMahon, R. J.; Zwier, T. S.,  Photochemistry of Benzylallene: Ring-closing Reactions to form Naphthalene. J. Am. Chem. Soc. 2012, 134, 1153-1163. View Article

 

87. Esselman, B. J.; McMahon, R. J.,  Effects of Ethynyl Substitution on Cyclobutadiene. J. Phys. Chem. A 2012, 116, 483-490. View Article (View Computational Chemistry Highlight)

 

86. Kemnitz, C. R.; Ball, E. S.; McMahon, R. J.,  Photochemistry of CpMn(CO)₃ and Related Derivatives: Spectroscopic Observation of Singlet and Triplet CpMn(CO)₂. Organometallics, 2012, 31, 70-84. View Article

85. Vogelhuber, K. M.; Wren, S. W.; Shaffer, C. J.; McMahon, R. J.; McCoy, A. B.; Lineberger, C. W.,  Photoelectron Spectroscopy of HC₄N^-. J. Chem. Phys. 2011, 135, 204301-204309. View Article

84. Dawson, K.; Zhu, L.; Kopff, L. A.; McMahon, R. J.; Yu, L.; Ediger, M. D., Highly Stable Vapor-deposited Glasses of Four Tris-naphthylbenzene Isomers. J. Pys. Chem. Lett. 2011, 2, 2683-2687. View Article

83. George, L.; Kalume, A.; Esselman, B. J.; Wager, J.; McMahon, R. J.; Reid, S. A. Spectroscopic and Computational Studies of Matrix-isolated iso-CHBr₃: Structure, Properties, and Photochemistry of Iso-Bromoform. J. Chem. Phys. 2011, 135, 124503-124507. View Article

82. Preston, T. J.; Dutta, M.; Esselman, B. J.; Kalume, A.; George, L.; McMahon, R. J.; Reid, S. A.; Crim, F. F., Formation and Relaxation Dynamics of iso-CH2Cl-I in Cryogenic Matrices. J. Chem. Phys. 2011, 135, 114503-114510. View Article

81. George, L.; Kalume, A.; Esselman, B. J.; McMahon, R. J.; Reid, S . A., Pulsed-Jet Discharge Matrix Isolation and Computational Study of Bromine Atom Complexes: Br---BrXCH₂ (X=H,Cl,Br). J. Phys. Chem. A. 2011, 115 (35), 9820–9827. View Article

80. Menke, J. L.; McMahon, R. J., Photochemistry of Matrix-isolated 5-cyano-2H-pyran-2-one (δ-cyano-α-pryrone) and cyanocyclobuta-1,3-diene. Can. J. Chem. 2011, 89 (2), 186-194. View Article

79. Hopf, H.; Mlynek,C.; McMahon, R. J.; Menke, J. L.; Lesarri, A.; Rosemeyer, M.; Grabow, J-U., On the Trimerization of Cyanoacetylene: Mechanism of Formation of Tricyanobenzene Isomers and Laboratory Detection of Their Radio Spectra. Chem. Eur. J. 2010, 16 (47), 14115-14123. View Article

78. Thomas, P. S.; Bowling, N. P.; Burrmann, N. J.; McMahon, R. J., Dialkynyl Carbene Derivatives: Generation and Characterization of Triplet tert-Butylpentadiynylidene (t-Bu−C≡C−C:−C≡C−H) and Dimethylpentadiynylidene (Me−C≡C−C:−C≡C−Me). J. Org. Chem. 2010, 75 (19), 6372-6381. View Article

77. Bowling, N. P.; Burrmann, N. J.; Halter, R. J.; Hodges, J. A.; McMahon, R. J., Synthesis of Simple Diynals, Diynones, Their Hydrazones, and Diazo Compounds: Precursors to a Family of Dialkynyl Carbenes (R¹â€”C≡C—C—C≡C—R²). J. Org. Chem. 2010, 75 (1), 6382-6390. View Article

76. Menke, J. L.; Patterson, E. V.; McMahon, R. J., Effects of Cyano Substituents on Cyclobutadiene and Its Isomers. J. Phys. Chem. A 2010, 114 (22), 6431–6437. View Article

75. Shaffer, C. J.; Esselman, B. J.; McMahon, R. J.; Stanton, J. F.; Woods, R. C., Attempted Isolation and Characterization of Diazirinone (N₂CO). J. Org. Chem. 2010, 75 (6), 1815–1821. View Article

74. Swallen, S. F.; Windsor, K.; McMahon, R. J.; Ediger, M. D.; Mates, T. E., Transformation of Stable Glasses into Supercooled Liquids: Growth Fronts and Anomalously Fast Liquid Diffusion. J. Phys. Chem. B 2010, 114 (8), 2635-2643. View Article

73. Thomas, P. S.; Bowling, N. P.; McMahon, R. J., Spectroscopy and Photochemistry of Triplet Methylpentadiynylidene (Me-C≡C-C:-C≡C-H). J. Am. Chem. Soc. 2009, 131 (24), 8649-8659. View Article

72. Swallen, S. F.; Traynor, K.; McMahon, R. J.; Ediger, M. D.; Mates, T. E., Stable Glass Transformation to Supercooled Liquid via Surface-Initiated Growth Front. Phys. Rev. Lett. 2009, 102 (6), 065503/1-065503/4. View Article

71. Swallen, S. F.; Traynor, K.; McMahon, R. J.; Ediger, M. D.; Mates, T. E., Self-Diffusion of Supercooled Tris-naphthylbenzene. J. Phys. Chem. B 2009, 113 (14), 4600-4608. View Article

70. Seburg, R. A.; Patterson, E. V.; McMahon, R. J., Structure of Triplet Propynylidene (HCCCH) as Probed by IR, UV/vis, and EPR Spectroscopy of Isotopomers. J. Am. Chem. Soc. 2009, 131 (26), 9442-9455. View Article

69. Seburg, R. A.; Hodges, J. A.; McMahon, R. J., Propynal Equivalents and Diazopropyne: Synthesis of All Mono-¹³C Isotopomers. Helv. Chim. Acta 2009, 92 (8), 1626-1643. View Article

68. Swallen, S. F.; Kearns, K. L.; Satija, S.; Traynor, K.; McMahon, R. J.; Ediger, M. D., Molecular view of the isothermal transformation of a stable glass to a liquid. J. Chem. Phys. 2008, 128 (21), 214514/1-214514/10. View Article

67. Pharr, C. R.; McMahon, R. J. Organic Chemistry: Synthesis of Reactive Intermediates Found in Interstellar Space. J. Chem. Educ. 2008, 85 (10), 1454. View Article

66. Weaver, S. L. W.; Remijan, A. J.; McMahon, R. J.; McCall, B. J., A Search for ortho-benzyne (o-C₆H₄) in CRL 618. The Astrophys. J. Lett. 2007, (2), L153 - L156. View Article

65. Swallen, S. F.; Kearns, K. L.; Mapes, M. K.; Kim, Y. S.; McMahon, R. J.; Ediger, M. D.; Wu, T.; Yu, L.; Satija, S., Organic Glasses with Exceptional Thermodynamic and Kinetic Stability. Science (Washington, DC, United States) 2007, 315 (5810), 353-356. View Article

64. De Pinto, J. T.; de Prophetis, W. A.; Menke, J. L.; McMahon, R. J., Triplet 1,3-diphenylpropynylidene (Ph-C-C-C-Ph). J. Am. Chem. Soc. 2007, 129 (8), 2308-2315. View Article

63. Bonvallet, P. A.; Breitkreuz, C. J.; Kim, Y. S.; Todd, E. M.; Traynor, K.; Fry, C. G.; Ediger, M. D.; McMahon, R. J., Organic Glass-Forming Materials: 1,3,5-Tris(naphthyl)benzene Derivatives. J. Org. Chem. 2007, 72 (26), 10051-10057. View Article

62. Swallen, S. F.; Mapes, M. K.; Kim, Y. S.; McMahon, R. J.; Ediger, M. D.; Satija, S., Neutron reflectivity measurements of the translational motion of tris(naphthylbenzene) at the glass transition temperature. J. Chem. Phys. 2006, 124 (18), 184501/1-184501/9. View Article

61. Kim, Y. S.; Inui, H.; McMahon, R. J., Ring Opening of 2,5-Didehydrothiophene: Matrix Photochemistry of C₄H₂S Isomers. J. Org. Chem. 2006, 71 (26), 9602-9608. View Article

60. Bowling, N. P.; McMahon, R. J., Enediyne Isomers of Tetraethynylethene. J. Org. Chem. 2006, 71 (16), 5841-5847. View Article

59. Bowling, N. P.; Halter, R. J.; Hodges, J. A.; Seburg, R. A.; Thomas, P. S.; Simmons, C. S.; Stanton, J. F.; McMahon, R. J., Reactive Carbon-Chain Molecules: Synthesis of 1-Diazo-2,4-pentadiyne and Spectroscopic Characterization of Triplet Pentadiynylidene (H-C≡C-C:-C≡C-H). J. Am. Chem. Soc. 2006, 128 (10), 3291-3302. View Article

58. Lovas, F. J.; McMahon, R. J.; Grabow, J.-U.; Schnell, M.; Mack, J.; Scott, L. T.; Kuczkowski, R. L., Interstellar Chemistry: A Strategy for Detecting Polycyclic Aromatic Hydrocarbons in Space. J. Am. Chem. Soc. 2005, 127 (12), 4345-4349. View Article

57. Kim, Y. S.; McMahon, R. J., Ring Opening of 2,5-Didehydrothiophene: Structures and Rearrangements of C₄H₂S Isomers. J. Org. Chem. 2005, 70 (20), 8171-8179. View Article

56. McMahon, R. J., Orville L. Chapman (1932-2004): Organic Chemistry and Education. Angew. Chem., Int. Ed. 2004, 43 (32), 4122. View Article

55. Swallen, S. F.; Bonvallet, P. A.; McMahon, R. J.; Ediger, M. D., Self-Diffusion of tris-Naphthylbenzene near the Glass Transition Temperature. Phys. Rev. Lett. 2003, 90 (1), 015901/1-015901/4. View Article

54. Schwartz, M. P.; Halter, R. J.; McMahon, R. J.; Hamers, R. J., Formation of an Atomically Abrupt Interface between a Polycyclic Aromatic Molecule and the Silicon (001) Surface via Direct Si-C Linkage. J. Phys. Chem. B 2003, 107 (1), 224-228. View Article

53. McMahon, R. J.; McCarthy, M. C.; Gottlieb, C. A.; Dudek, J. B.; Stanton, J. F.; Thaddeus, P., The radio spectrum of the phenyl radical. Astrophys. J. Lett. 2003, 590 (1, Pt. 2), L61-L64. View Article

52. McMahon, R. J., Chemistry: Chemical reactions involving quantum tunneling. Science (Washington, DC, United States) 2003, 299 (5608), 833-834. View Article

51. Bonvallet, P. A.; Todd, E. M.; Kim, Y. S.; McMahon, R. J., Access to the Naphthylcarbene Rearrangement Manifold via Isomeric Benzodiazocycloheptatrienes. J. Org. Chem. 2002, 67 (25), 9031-9042. View Article

50. Nicolaides, A.; Matsushita, T.; Yonezawa, K.; Sawai, S.; Tomioka, H.; Stracener, L. L.; Hodges, J. A.; McMahon, R. J., The Elusive Benzocyclobutenylidene: A Combined Computational and Experimental Attempt. J. Am. Chem. Soc. 2001, 123 (12), 2870-2876. View Article

49. Halter, R. J.; Fimmen, R. L.; McMahon, R. J.; Peebles, S. A.; Kuczkowski, R. L.; Stanton, J. F., Microwave Spectra and Molecular Structures of (Z)-Pent-2-en-4-ynenitrile and Maleonitrile. J. Am. Chem. Soc. 2001, 123 (49), 12353-12363. View Article

48. Stracener, L. L.; Halter, R. J.; McMahon, R. J.; Castro, C.; Karney, W. L., Singlet-Triplet Energy Separation of Cyclobutylidene. J. Org. Chem. 2000, 65 (1), 199-204. View Article

47. McMahon, R. J.; Halter, R. J.; Fimmen, R. L.; Wilson, R. J.; Peebles, S. A.; Kuczkowski, R. L.; Stanton, J. F., Equilibrium Structure of cis-Hex-3-ene-1,5-diyne and Relevance to the Bergman Cyclization. J. Am. Chem. Soc. 2000, 122 (5), 939-949. View Article

46. Hodges, J. A.; McMahon, R. J.; Stanton, J. F.; Sattelmeyer, K. W., Electronic spectrum of propadienylidene (H2C=C=C:) and its relevance to the diffuse interstellar bands. Astrophys. J. 2000, 544 (2, Pt. 1), 838-842. View Article

45. Breitung, E. M.; Vaughan, W. E.; McMahon, R. J., Measurement of solute dipole moments in dilute solution: A simple three-terminal cell. Rev. Sci. Instrum. 2000, 71 (1), 224-227. View Article

44. Breitung, E. M.; Shu, C.-F.; McMahon, R. J., Thiazole and Thiophene Analogues of Donor-Acceptor Stilbenes: Molecular Hyperpolarizabilities and Structure-Property Relationships. J. Am. Chem. Soc. 2000, 122 (6), 1154-1160. View Article

43. Bonvallet, P. A.; McMahon, R. J., Generation, Characterization, and Rearrangements of 4,5-Benzocyclohepta-1,2,4,6-tetraene. J. Am. Chem. Soc. 2000, 122 (38), 9332-9333. View Article

42. Breitung, E. M.; McMahon, R. J., Structure-property relationships in organic nonlinear optical materials. Materials Research Society Symposium Proceedings 1999, 561 (Organic Nonlinear Optical Materials and Devices), 39-43. View Article

41. Zhu, Z.; Bally, T.; Stracener, L. L.; McMahon, R. J., Reversible Interconversion between Singlet and Triplet 2-Naphthyl(carbomethoxy)carbene. J. Am. Chem. Soc. 1999, 121 (12), 2863-2874. View Article

40. Wang, Y.-K.; Shu, C.-F.; Breitung, E. M.; McMahon, R. J., Synthesis and Characterization of Thiazole-Containing Chromophores for Second-Order Nonlinear Optics. J. Mater. Chem. 1999, 9, 1449-1452. View Article

39. Shu, Y.-C.; Gong, Z.-H.; Shu, C.-F.; Breitung, E. M.; McMahon, R. J.; Lee, G.-H.; Jen, A. K. Y., Synthesis and Characterization of Nonlinear Optical Chromophores with Conformationally Locked Polyenes Possessing Enhanced Thermal Stability. Chem. Mater. 1999, 11 (6), 1628-1632. View Article

38. Nicolaides, A.; Nakayama, T.; Yamazaki, K.; Tomioka, H.; Koseki, S.; Stracener, L. L.; McMahon, R. J., Of Ortho-Conjugatively Linked Reactive Intermediates: The Cases of Ortho-Phenylene-(Bis)Nitrene, -Carbenonitrene, and -(Bis)Carbene. J. Am. Chem. Soc. 1999, 121 (45), 10563-10572. View Article

 

37. Bonvallet, P. A.; McMahon, R. J., Photoequilibration of 1-Naphthylcarbene and 4,5-Benzobicyclo[4.1.0]hepta-2,4,6-triene. J. Am. Chem. Soc. 1999, 121 (45), 10496-10503. View Article

36. Yeung, M.; Ng, A. C. H.; Drew, M. G. B.; Vorpagel, E.; Breitung, E. M.; McMahon, R. J.; Ng, D. K. P., Facile Synthesis and Nonlinear Optical Properties of Push−Pull 5,15-Diphenylporphyrins. J. Org. Chem. 1998, 63 (21), 7143-7150. View Article

35. Stanton, J. F.; DePinto, J. T.; Seburg, R. A.; Hodges, J. A.; McMahon, R. J., Electronic Spectrum of Propadienylidene (H₂CCC:). J. Am. Chem. Soc. 1997, 119 (2), 429-430. View Article

34. Seburg, R. A.; Patterson, E. V.; Stanton, J. F.; McMahon, R. J., Structures, Automerizations, and Isomerizations of C₃H₂ Isomers. J. Am. Chem. Soc. 1997, 119 (25), 5847-5856. View Article

33. Seburg, R. A.; McMahon, R. J.; Stanton, J. F.; Gauss, J., Structures and Stabilities of C₅H₂ Isomers: Quantum Chemical Studies. J. Am. Chem. Soc. 1997, 119 (44), 10838-10845. View Article

32. Patterson, E. V.; McMahon, R. J., Rearrangements of C7H6 Isomers: Computational Studies of the Interconversions of Bicyclo[3.2.0]hepta-1,3,6-triene, Bicyclo[3.2.0]hepta-3,6-dien-2-ylidene, Bicyclo[3.2.0]hepta-2,3,6-triene, and Cyclohepta-1,2,4,6-tetraene. J. Org. Chem. 1997, 62 (13), 4398-4405. View Article

31. Whitaker, C. M.; Patterson, E. V.; Kott, K. L.; McMahon, R. J., Nitrogen and Oxygen Donors in Nonlinear Optical Materials: Effects of Alkyl vs. Phenyl Substitution on the Molecular Hyperpolarizability. J. Am. Chem. Soc. 1996, 118 (41), 9966-9973. View Article

30. Whitaker, C. M.; McMahon, R. J., Synthesis and Characterization of Organic Materials with Conveniently Accessible Supercooled Liquid and Glassy Phases: Isomeric 1,3,5-Tris(naphthyl)benzenes. J. Phys. Chem. 1996, 100 (3), 1081-90. View Article

29. Matzinger, S.; Bally, T.; Patterson, E. V.; McMahon, R. J., The C₇H₆ Potential Energy Surface Revisited: Relative Energies and IR Assignment. J. Am. Chem. Soc. 1996, 118 (6), 1535-1542. View Article

28. Whitaker, C. M.; Kott, K. L.; McMahon, R. J., Synthesis and Solid-State Structure of Substituted Arylphosphine Oxides. J. Org. Chem. 1995, 60 (11), 3499-3508. View Article

27. Seburg, R. A.; McMahon, R. J., Automerizations and isomerization in propynylidene (HCCCH), propadienylidene (H₂CCC), and cyclopropenylidene (c-C₃H₂). Angew. Chem., Int. Ed. Engl. 1995, 34 (18), 2009-2012. View Article

26. Seburg, R. A.; DePinto, J. T.; Patterson, E. V.; McMahon, R. J., Structure of Triplet Propynylidene. J. Am. Chem. Soc. 1995, 117 (2), 835-836. View Article

25. Kott, K. L.; Whitaker, C. M.; McMahon, R. J., Second-Order Nonlinear Optical Properties of Substituted Arylphosphine Oxides. Chem. Mater. 1995, 7 (2), 426-439. View Article

24. Seburg, R. A.; McMahon, R. J., Ground-state multiplicity of halo(trifluoromethyl)carbenes. J. Org. Chem. 1993, 58 (4), 979-980. View Article

23. Kott, K. L.; Higgins, D. A.; McMahon, R. J.; Corn, R. M., Observation of photoinduced electron transfer at a liquid-liquid interface by optical second harmonic generation. J. Am. Chem. Soc. 1993, 115 (12), 5342-5343. View Article

22. DePinto, J. T.; McMahon, R. J., Structure and rearrangements of 1,3-diphenylpropynylidene. J. Am. Chem. Soc. 1993, 115 (26), 12573-12574. View Article

21. Bartz, J. A.; Barnhart, T. M.; Galloway, D. B.; Huey, L. G.; Glenewinkel-Meyer, T.; McMahon, R. J.; Crim, F. F., UV photodissociation and energy-selective ionization of organometallic compounds in a molecular beam. ACS Symp. Ser. 1993, 530 (Laser Chemistry of Organometallics), 116-121.

20. Bartz, J. A.; Barnhart, T. M.; Galloway, D. B.; Huey, L. G.; Glenewinkel-Meyer, T.; McMahon, R. J.; Crim, F. F., Gas-phase photodissociation of (η⁵-cyclopentadienyl)Fe(CO)₂R and (η_⁵-indenyl)Fe(CO)₂R in a molecular beam: competitive loss of alkyl radical and alkene detected by vacuum-ultraviolet ionization and time-of-flight mass spectrometry. J. Am. Chem. Soc. 1993, 115 (18), 8389-8395. View Article

19. Barnhart, T. M.; De Felippis, J.; McMahon, R. J., Structures and reactivity of [HFe(CO)3(h3-C3H5)]. Angew. Chem. 1993, 105 (7), 1334-1336 (See also Angew Chem , Int ed Engl , 1993, 32(7), 1073-1074). View Article

18. Albrecht, S. W.; McMahon, R. J., Photoequilibration of 2-naphthylcarbene and 2,3-benzobicyclo[4.1.0]hepta-2,4,6-triene. J. Am. Chem. Soc. 1993, 115 (3), 855-859. View Article

17. Seburg, R. A.; McMahon, R. J., Photochemistry of matrix-isolated diazoethane and methyldiazirine: ethylidene trapping? J. Am. Chem. Soc. 1992, 114 (18), 7183-7189. View Article

16. Kott, K. L.; McMahon, R. J., Regiochemistry of acetylation of ferrocenylarylethylenes. J. Org. Chem. 1992, 57 (11), 3097-3101. View Article

15. Casey, C. P.; Tanke, R. S.; Hazin, P. N.; Kemnitz, C. R.; McMahon, R. J., Kinetic generation of cis-cyclopentadienyl(dicarbonyl)rhenium dihydride from the reaction of (C₅H₅)Re(CO)₂(µ-H)Pt(H)(PPh₃)₂ with diphenylacetylene. Inorg. Chem. 1992, 31 (26), 5474-5479. View Article

14. Barnhart, T. M.; McMahon, R. J., Spectroscopic observation of a thermal carbon-hydrogen bond insertion reaction at 5 K: intramolecular rearrangement of Fe(CO)₃(η²-C₃H₆) to produce HFe(CO)₃(η³-C₃H₅). J. Am. Chem. Soc. 1992, 114 (13), 5434-5435. View Article

13. Barnhart, T. M.; Fenske, R. F.; McMahon, R. J., Isomerism in coordinatively unsaturated tricarbonyl-η²-etheneiron complexes. Inorg. Chem. 1992, 31 (13), 2679-2681. View Article

12. Forcé, R. K.; McMahon, R. J.; Yu, J.; Wrighton, M. S., Spectroscopic detection of excited-state electron transfer in porphyrin viologen systems. Spectrochim. Acta, Part A 1989, 45A (1), 23-30. View Article

11. McMahon, R. J.; Forcé, R. K.; Patterson, H. H.; Wrighton, M. S., Intramolecular excited-state electron transfer in a covalently linked porphyrin-viologen molecule: direct observation of the charge-separated intermediate by resonance Raman spectroscopy. J. Am. Chem. Soc. 1988, 110 (8), 2670-2672. View Article

10. Chapman, O. L.; Johnson, J. W.; McMahon, R. J.; West, P. R., Rearrangements of the isomeric tolylmethylenes. J. Am. Chem. Soc. 1988, 110 (2), 501-509. View Article

9. McMahon, R. J.; Chapman, O. L., Direct spectroscopic observation of intramolecular hydrogen shifts in carbenes. J. Am. Chem. Soc. 1987, 109 (3), 683-692. View Article

8. McMahon, R. J.; Abelt, C. J.; Chapman, O. L.; Johnson, J. W.; Kreil, C. L.; LeRoux, J. P.; Mooring, A. M.; West, P. R., 1,2,4,6-Cycloheptatetraene: the key intermediate in arylcarbene interconversions and related C₇H₆ rearrangements. J. Am. Chem. Soc. 1987, 109 (8), 2456-69. View Article

7. West, P. R.; Mooring, A. M.; McMahon, R. J.; Chapman, O. L., Benzobicyclo[4.1.0]hepta-2,4,6-trienes. J. Org. Chem. 1986, 51 (8), 1316-1320. View Article

6. McMahon, R. J.; Chapman, O. L., Triplet ground-state cycloheptatrienylidene. J. Am. Chem. Soc. 1986, 108 (7), 1713-1714. View Article

5. McMahon, R. J.; Chapman, O. L.; Hayes, R. A.; Hess, T. C.; Krimmer, H. P., Mechanistic studies on the Wolff rearrangement: the chemistry and spectroscopy of some alpha -keto carbenes. J. Am. Chem. Soc. 1985, 107 (25), 7597-7606. View Article

4. Chapman, O. L.; McMahon, R. J.; West, P. R., Rearrangements of tolylmethylenes via cycloheptatetraenes: formation of benzocyclobutene and styrene. J. Am. Chem. Soc. 1984, 106 (25), 7973-7974. View Article

3. Hayes, R. A.; Hess, T. C.; McMahon, R. J.; Chapman, O. L., Photochemical Wolff rearrangement of a triplet ground state carbene. J. Am. Chem. Soc. 1983, 105 (26), 7786-7787. View Article

2. McMahon, R. J., Organometallic π-complexes of silacycles. Coord. Chem. Rev. 1982, 47 (1-2), 1-14. View Article

1. McMahon, R. J.; Wiegers, K. E.; Smith, S. G., Stereoselectivity of lithium aluminum hydride and lithium alkoxyaluminohydride reductions of 3,3,5-trimethylcyclohexanone in diethyl ether. J. Org. Chem. 1981, 46 (1), 99-101. View Article