2,2-Dimethyl-propionic acid 2-[3-(tert-butyl-diphenyl-silanyloxy)-hex-5-enoyl]-6-oxo-cyclohex-1-enyl ester 以
正己烷 为溶剂,
以75%的产率得到2,2-Dimethyl-propionic acid (4aS,5aR,7R,9aR)-7-(tert-butyl-diphenyl-silanyloxy)-4,9-dioxo-decahydro-cyclobuta[1,2:1,4]dibenzen-4a-yl ester