发明申请
US20050256094A1 Processes for preparation of 9, 11-epoxy steroids and intermediates useful therein 失效
用于制备9,11-环氧类固醇及其中有用的中间体的方法

Processes for preparation of 9, 11-epoxy steroids and intermediates useful therein
摘要:
Intermediates in the preparation of 9,11-epoxy steroids are disclosed. Particularly, disclosed are 11,12-epoxy steroid, 4,5-9,11-diepoxy steroid and 12-keto steroid intermediates.
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