Then this intermediate underwent bromination, debromination and catalytic hydrogenation, to provide the high cis-MDJ with more than 60% cis-form.

• 文中利用普通MDJ与三甲基氯硅烷反应制备出烯醇硅醚，再经溴化、脱溴生成烯烃后再加氢合成出高顺式MDJ，该法比较适合工业化。