2,2-Dimethyl-propionic acid (E)-(S)-1-{(4S,5S)-5-[1-hydroxy-3-(toluene-4-sulfonyl)-prop-2-ynyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-penta-2,4-dienyl ester 在
戴斯-马丁氧化剂 作用下,
以
二氯甲烷 为溶剂,
以60%的产率得到2,2-Dimethyl-propionic acid (3aS,4S,4aS,9aR)-2,2-dimethyl-9-oxo-8-(toluene-4-sulfonyl)-3a,4,4a,7,9,9a-hexahydro-naphtho[2,3-d][1,3]dioxol-4-yl ester