Total Syntheses

Reaction scheme for total synthesis of the natural product Capsaicin
Total synthesis of Capsaicin:
Reference:Kaga, H.; Miura, M.; Orito, K. J. Org. Chem. 1989, 54, 3477–3478. DOI
Reactions:CarboxAcid → CarboxCl • Alkyl-X → Alkyl-PRn • Wittig-alkyl → Ene-cis • Alkene isomerization-EZ • CarboxAcid → CarboxAmide • Reductive amination, HCO2H • Leuckart •
Reagents:Formate, ammonium • PPh3 • PPh3=CH-Alkyl • KOtBu • SOCl2