PROCEDIMIENTO PARA LA OBTENCION DE DERIVADOS DE LA 13-BETA- MILBEMICINA

摘要

13-Beta-substd. milbemycin derivs. of formula (I) are new. R1=H, silyl or acyl; R2=Me, Et, i-Pr or s-Bu; R=H, opt. substd. straight or branched 1-18C alkyl, or 3-10C cycloaliphatic 2-6C alkenyl, 2-6C alkynyl, phenyl or benzyl (all opt. substd.).