ANTIBIOTIC ANGOLAMYCIN DERIVATIVES AND THEIR PREPARATION

摘要

PURPOSE:Acryl derivatives of angolamycin of formula I(R1 is H, acetyl, propionyl; R2 is H, n-butyryl, isovaleryl; excluding the case where both R1 and R2 are H) and their acid addition salts, e.g. 3-acetylangolamycin.