(4Z,7Z)-(S)-3-(tert-Butyl-dimethyl-silanyloxy)-8-chloro-10-((4aS,6S,7aS)-2,2-dimethyl-tetrahydro-furo[3,2-d][1,3]dioxin-6-yl)-4-methyl-deca-4,7-dienoic acid phenyl ester 在
camphor-10-sulfonic acid 、
乙二醇 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以85%的产率得到phenyl (3S,4Z,7Z)-3-(t-butyldimethylsilyloxy)-8-chloro-4-methyl-10-[(2S,4S,5S)-tetrahydro-4-hydroxy-5-(hydroxymethyl)-2-furanyl]-4,7-decadienoate