Processes for preparation of 17 α-alkynyl-androst-5-ene-3β,7β,17β-triol essentially free of steroid side-products

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专利权人:

HARBOR BIOSCIENCES INC.

发明人:

申请号：

IL20100209693

公开号：

IL209693(A)

申请日:

2010.12.01

申请国别(地区):

以色列

年份:

2017

代理人:

摘要：

The invention relates to processes for preparing 17-alkynyl-7-hydroxy-steroids, such as 17-Ethynyl-10R,13S-dimethyl 2,3,4,7,8R,9S, 10,11,12,13,14S,15,16,17-hexadecahydro-1H-cyclopenta[a]phenanthrene-3R, 7R,17S-triol (also referred to as 17α-ethynyl-androst-5-ene-3&bgr;,7&bgr;,17&bgr;-triol), that are essentially free of process impurities having binding activity at nuclear estrogen receptors.

来源网站：

中国工程科技知识中心

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http://www.ckcest.cn/home/