发明授权
US09012667B2 Process for introducing a double bond into position 15, 16 of a steroid 有权
将双键引入类固醇的位置15,16的方法

Process for introducing a double bond into position 15, 16 of a steroid
摘要:
The invention relates to a process for the preparation of a compound of formula (I): wherein R1 and R2 are as defined in the description, by reaction of a compound of formula (II) with a base. Compound (I) is an intermediate useful in the preparation of gestodene.
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