New Synthetic Method for Betulin 3-O-Propionate 28-O-Acylates
摘要
A synthetic method for betulin 3-O-propionate 28-O-acylates via the reaction of betulin 3-O-propionate with melts of benzoic, phthalic, cinnamic, and succinic acids at 185–195°C for 5–6 min was proposed.