CRYSTALLINE FORM A OF 2,2-BIS(4-FLUOROPHENYL)-2-PHENYLACETAMIDE AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

Title:

CRYSTALLINE FORM A OF 2,2-BIS(4-FLUOROPHENYL)-2-PHENYLACETAMIDE AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

Document Type and Number:

WIPO Patent Application WO/2020/198939

Kind Code:

A1

Abstract:

The present invention provides a crystalline form A of 2,2-bis(4-fluorophenyl)-2-phenylacetamide. The crystalline form has good light stability, high temperature stability, and high humidity stability.

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Inventors:

REN GUOBIN (CN)
YI DONGXU (CN)
JI WEIJIE (CN)
HUANG JIAJUN (CN)

Application Number:

PCT/CN2019/080419

Publication Date:

October 08, 2020

Filing Date:

March 29, 2019

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Assignee:

SHENZHEN RENTAI PHARMATECH LTD (CN)

International Classes:

A61K31/165; C07C233/11

Domestic Patent References:

WO2017070536A1

2017-04-27

Foreign References:

CN101437403A	2009-05-20
US6288122B1	2001-09-11

Attorney, Agent or Firm:

SUNSHINE INTELLECTUAL PROPERTY INTERNATIONAL CO., LTD. (CN)

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