9-HALO-8-HYDROXY-4-METHYL-4-NONENOIC ACIDS,DERIVATIVES THEREOF,AND A PROCESS FOR PREPARING THE SAME

摘要

9-Halo-8-hydroxy-4-methyl-4-nonenoic acids and derivatives thereof have been prepared, which are important intermediates for the full synthesis of (1RS, 4SR, 5RS)-4-(4,8-dimethyl-5-hydroxy-7-nonenyl)-4-methyl-3,8-dioxabicyclo[3. 2.1]-octane-1-acetic acid [A]: having high activity as an utero-evacuant agent. t