The preparation and migration of double bonds in 22(17-28)abeo lupane derivatives

Abstrakt

Anhydrobetulines with one or two double bonds were prepared and subjected to hydrobromic acid. Compounds with migrated double bonds were found in reaction mixtures

Klíčová slova

• Sejbal
• Jan anhydrobetuline
• abeo-lupane
• NMR
• double bond migration