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Total synthesis of Bergamotene, β-trans:
Reference: Corey, E. J.; Desai, M. C. Tet. Lett. 1985, 26, 3535. DOI
Keywords: CarboxAcid → CarboxCl • Ketone enolate+CO2 • Wittig-methyl • Wolff-Kishner • Ketone → CH2 • Ketene Cycloaddition • Cyclobutane •
Reagents: LiNiPr2 • PPh3=CH2 • Oxalyl chloride • Hydrazine • KOtBu • LiN(SiMe3)2 • NEtiPr2

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