Process for Preparation of Aromatase Inhibitors

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专利权人:

SCINOPHARM TAIWAN; LTD.

发明人:

CHEN, WEIYU,CHEN, SHU-PING

申请号：

DK08754185

公开号：

DK2142561T3

申请日:

2008.05.01

申请国别(地区):

DK

年份:

2013

代理人:

摘要：

A process of making an aromatase inhibitor of formula (I) wherein each of R<；SUP>；1<；/SUP>；, R<；SUP>；2<；/SUP>；, R<；SUP>；3<；/SUP>；, and R<；SUP>；4<；/SUP>；, independently, is hydrogen, halogen, or C<；SUB>；1<；/SUB>；-C<；SUB>；6 <；/SUB>；alkyl, comprising reacting a compound of formula (II) with an acid in the presence of a suitable solvent. A new crystalline form of exemestane and is also disclosed.

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