Title:
CRYSTAL FORM OF AROMATIC VINYL DERIVATIVES, AND PREPARATION METHOD THEREFOR AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/185072
Kind Code:
A9
Abstract:
Disclosed in the present invention are a crystal form of aromatic vinyl derivatives, and a preparation method therefor and the use thereof. Specifically disclosed in the present invention are crystal form A, crystal form B and crystal form C of a compound as shown in formula I. The crystal forms of the present invention have a good stability, are less hygroscopic and are easy to prepare, and have an important value in terms of the optimization and development of drugs.
Inventors:
WANG YUGUANG (CN)
ZHANG NONG (CN)
ZHANG PINGJING (CN)
ZHANG NONG (CN)
ZHANG PINGJING (CN)
Application Number:
PCT/CN2021/078640
Publication Date:
December 16, 2021
Filing Date:
March 02, 2021
Export Citation:
Assignee:
GUANGZHOU MAXINOVEL PHARMACEUTICALS CO LTD (CN)
International Classes:
C07C47/548; A61K31/138; A61K31/198; A61K31/36; A61K31/40; A61K31/44; A61P35/02; A61P37/00; C07C25/02; C07C25/13; C07C47/55; C07C215/10; C07C229/10; C07C229/64; C07D213/38
Attorney, Agent or Firm:
SHANGHAI BESHINING LAW OFFICE (CN)
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