Patent · US Active

Pyrido[1,2-A]pyrimidone analog, crystal form thereof, intermediate thereof and preparation method therefor

US10479789B2 · kind B2 · utility

0Cited by

1References

17Claims

0Family size

Assignee

Chia Tai Tianqing Pharmaceutical Group Co., Ltd. · CN

Inventors

Tao Yu · Shanghai, CN
Ning Li · New Canaan, US
Lingwei Kong · Shanghai, CN
Peipei Jiang · Shanghai, CN
Yong Wang · Nanhu, CN
Zhemin Rong · Shanghai, CN
Changjun Wang · Beijing, CN
Feng Guo · 安丰镇, CN
Zongbin Li · Lianyungang, CN
Zheng Wang · 安丰镇, CN
Jiahu Wu · Shanghai, CN
Chengde Wu · Shanghai, CN

Key dates

Filing date	Dec 16, 2016
Grant date	Nov 19, 2019
Priority date	—
Expiry date	Dec 16, 2036

Classification

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

Abstract

Disclosed in the present invention are a crystalline Form of pyrido[1,2-a]pyrimidone analog, a preparation method therefor and an intermediate thereof.

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