Nanjing Chuangte Pharmaceutical Technology Co., Ltd.

Chao Feng

Yongqiang Zhu

Zhaogang Liu

Wei Dong Chen

Yang Yang

Jie Wang

Hao Chen

Jia Wang

Shihe Hu

Ou Hai

Enhe Bai

Jingmiao Shi

Disclosed in the present invention are a crystal form of monomethanesulfonate of a deuterated 3-(4,5-substituted aminopyrimidine)phenyl compound as represented by formula I, and a preparation method therefor. The crystal form is highly stable, can be used for treatment or prevention of diseases or conditions by means of epidermal growth factor receptors (EGFRs) in some mutation forms, can effectively inhibit the growth of a variety of tumor cells, and have an inhibiting effect on other proteases of EGFR and Her families, and thus can be used for preparing antitumor drugs.

Crystal form of monomethanesulfonate of deuterated 3-(4,5-substituted aminopyrimidine)phenyl compound and preparation method therefor

A type of deuterated 3-(4,5-substituted aminopyrimidine)phenyl derivatives and use thereof. The derivatives are compounds of Formula (I) or pharmaceutically acceptable salts thereof. These compounds or salts thereof can be used for treatment or prevention of diseases or illnesses through certain mutant forms of epidermal growth factor receptors, inhibit the growth of various tumor cells effectively, and inhibit other proteases of EGFR and Her families, they can be used for preparing anti-tumor drugs.

Deuterated 3-(4,5-substituted aminopyrimidine)phenyl derivatives and use thereof

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Nanjing, China

Chao Feng