Total Syntheses

Reaction scheme for total synthesis of the natural product Bourbonene
Total synthesis of Bourbonene:
Reference:White, J. D.; Gupta, D. N. J. J. Am. Chem. Soc. 1966, 88, 5364-5365. DOI
Reactions:Ketone azaenolate+Alkyl-X • Alkyl-X+Azaenolate • Ketone → Imine • Claisen acylation, formate • Ketone enolate+Formate • KetoAldehyde → Allyl-OH • Allyl-X → Allyl-H • Photochemistry 2+2 • Cyclobutane • Bicyclo(320) • Wittig-methyl • Alkene isomerization • Allyl-OH → Allyl-Cl •
Reagents:Alkyl-MgX • NaOMe • Formate, ethyl • AlH4-Li+ • SOCl2 • Allyl-Cl • AlH4-Li+ • Photochemistry • PPh3=CH2 • HCl, EtOH •