Acetic acid 1-[(S)-(tert-butyl-dimethyl-silanyloxy)-((4S,5S)-2,2-dimethyl-5-vinyl-[1,3]dioxolan-4-yl)-methyl]-pent-4-enyl ester 在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
以94%的产率得到Acetic acid (Z)-(3aS,4S,9aS)-4-(tert-butyl-dimethyl-silanyloxy)-2,2-dimethyl-3a,4,5,6,7,9a-hexahydro-cycloocta[1,3]dioxol-5-yl ester