NEW CRYSTALLINE FORM OF ANTIANDROGEN DRUG WHICH TREATS PROSTATE CANCER, AND PREPARATION METHOD FOR NEW CRYSTALLINE FORM

Title:

NEW CRYSTALLINE FORM OF ANTIANDROGEN DRUG WHICH TREATS PROSTATE CANCER, AND PREPARATION METHOD FOR NEW CRYSTALLINE FORM

Document Type and Number:

WIPO Patent Application WO/2016/124149

Kind Code:

A1

Abstract:

Provided are a new crystalline form of an antiandrogen drug which treats prostate cancer, said drug being represented by formula I, and a preparation method for the new crystalline form. The crystalline form has good stability, and the solubility and hygroscopicity meet pharmaceutical requirements. The preparation method is simple and low-cost.

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Inventors:

CHEN MINHUA (CN)
ZHANG YANFENG (CN)
LI JIAOYANG (CN)
ZHANG XIAOYU (CN)

Application Number:

PCT/CN2016/073528

Publication Date:

August 11, 2016

Filing Date:

February 04, 2016

Export Citation:

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Assignee:

CRYSTAL PHARMATECH CO LTD (CN)

International Classes:

C07D401/04; A61K31/4439; A61P5/28; A61P35/00

Domestic Patent References:

WO2008119015A2	2008-10-02
WO2014190895A1	2014-12-04
WO2011103202A2	2011-08-25
WO2007126765A2	2007-11-08

Attorney, Agent or Firm:

BOSS & YOUNG PATENT AND TRADEMARK LAW OFFICE (CN)
北京邦信阳专利商标代理有限公司 (CN)

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