Synthesis of dimeric spirostanols linked through a 1,4-dimethylidenebenzene moiety by double BF3·Et2O-catalyzed aldol condensation of steroid sapogenins and terephtalaldehyde
Keywords: Steroid sapogenins; BF3·Et2O catalyzed double aldol condensation; Dimeric 1,4-dimethylidenebenzene-linked spirostanols;