NOVEL 15-MEMBERED CYCLIC AZALIDE, NOVEL 16-MEMBERED CYCLIC DIAZALIDE DERIVATIVE, AND PROCESS FOR PRODUCING THESE

摘要

A compound represented by the general formula (I), which has excellent antifungal activity, or a salt of the compound: (I) (a) (c) wherein R1 represents hydrogen or alkylcarbonyl; R2 represents hydrogen, oxygen, hydroxy, or alkylcarbonyloxy; R3 represents a group (a) (R5 and R6 each represents hydrogen or alkyl) when R2 is, for example, hydrogen; R4 represents hydrogen or a group (c) (R8 and R9 each represents hydrogen or alkylcarbonyl); and Me represents methyl.