Patent · US Active

Crystal form of estrogen receptor inhibitor and preparation method therefor

US11034653B2 · kind B2 · utility

1Cited by

1References

12Claims

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Assignees

Inventors

Huijun HE · Shanghai, CN
Jianyu LU · Shanghai, CN
Weidong Li · Cupertino, US
Shenyi Shi · Shanghai, CN
Zhijuan Chen · Shanghai, CN
Charles Z. Ding · San Mateo, US
Lihong Hu · Shanghai, CN
Tie-Lin Wang · Shanghai, CN
Jiaqiang Dong · 浮桥镇, CN

Key dates

Filing date	Sep 25, 2018
Grant date	Jun 15, 2021
Priority date	—
Expiry date	Sep 25, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07B2200/13
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Disclosed are a crystal form of an estrogen receptor inhibitor and a preparation method therefor, in particular disclosed are a crystal form A of a compound of formula (I) and a preparation method therefor, and the use of the crystal form in the preparation of a drug for treating breast cancer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.