氯丙烯镁 、
1-[(3aR,4S,7aR)-4-(tert-Butyl-dimethyl-silanyloxy)-2,2-dimethyl-tetrahydro-benzo[1,3]dioxol-3a-yl]-propan-2-one 以
乙醚 为溶剂,
以85%的产率得到1-[(3aR,4S,7aR)-4-(tert-Butyl-dimethyl-silanyloxy)-2,2-dimethyl-tetrahydro-benzo[1,3]dioxol-3a-yl]-2-methyl-pent-4-en-2-ol