image

Total synthesis of Morphine:
Reference: Hong, C. Y.; Kado, N.; Overman, L. E. J. Am. Chem. Soc. 1993, 115, 11028-9. DOI
Keywords: EnolEther → Enone • Enone → Allyl-OH(asym) • O-H → O-C(O)NR2 • Diol-1,2 → Ketal • Ketal → Diol-1,2 • Alkene cleavage • O-H → O-MOM • Li-Aryl → I-Aryl • Acetal → Aldehyde • Aldehyde → Epoxide • O-Bn → O-H (phenol) • Epoxide → Diol • Ether-5 • Alkyl-OH → Ketone • N-Bn → N-H • N-H → N-Alkyl • N-Me → N-C(O)OR • Selenoxide-Ei → Enone • N-C(O)OR → N-Me • Birch alkylation • CarboxAcid enolate+Alkyl-X • Alkyl-X+Enolate • Alkene → Diol-1,2 • Cu-SiR3+Allyl-X • Allyl-X+Cu-R • Reductive amination, B-H • Aldehyde → Acetal(Me) • Li/H → Li-Aryl • Aldehyde+Sulfonium ylide • Corey-Chaykowsky • Pinacol • Reductive amination, H2 • Epoxidation, peracid • Si-Allyl+Iminium • Iminium+Si-R • Pd-Heck coupling • ArylO-H → ArylO-R •
Reagents: Li°/NH3 • Allyl-Cl • HCl, H2O • BH(Catechol) • Corey oxazaborolidine • Isocyanate • CuI • BuLi(n) • LiSiR3 • OsO4, NMO • Acetone (react) • TsOH • Periodate, sodium • BH3CN-Na+ • Orthoformate • Chloromethyl ether • BuLi(n) • I2 • HCl, H2O • Me3S+ I- • BF3·OEt2 • Benzyl-X • BF3·OEt2 • Perbenzoic acid, 3,5-dinitro • RuO4-Pr4N+ • H2, Pd • Formaldehyde • O=C(OR)Cl • SePh-Cl • Periodate, sodium • AlH4-Li+ • B(Br)3 • Pd(OTFA)2(PPh3)2 • Piperidine, pentamethyl • Carbonate, potassium •

Syntheses Home