Total Syntheses

Reaction scheme for total synthesis of the natural product Griseofulvin (Stork)
Total synthesis of Griseofulvin (Stork):
Reference:Stork, G.; Tomasz, M. J. Am. Chem. Soc. 1962, 84, 310-312. DOI
Reactions:Li-Alkynyl+Aldehyde • Propargyl-OH → Ynone • ConjAdd Enolate • Ketone enolate+Ynone • Ynone+Enolate • Ketone enolate+Enone • Cyclohexenone •
Reagents:Crotonaldehyde • Alkynyl-Li • MnO2 • KOtBu •