Patent · US Active

Method for preparing pyrrolidinyl urea derivative

US11691965B2 · kind B2 · utility

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0References

20Claims

0Family size

Assignee

ZHANGZHOU PIEN TZE HUANG PHARMACEUTICAL CO., LTD. · CN

Inventors

Jinming Huang · Lo Wu, CN
Juan Yu · Fujian, CN
Jinxiang Zeng · Zhangzhou, CN
Limei Yang · Zhangzhou, CN
Tingting Yin · Fujian, CN
Yang Zhang · San Diego, US
Wentao Wu · Qingdao, CN
Zhixiang Li · Shanghai, CN
Jian Qin · Appleton, US

Key dates

Filing date	Jan 8, 2021
Grant date	Jul 4, 2023
Priority date	—
Expiry date	Jan 8, 2041

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/55
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Disclosed is a method for preparing a pyrrolidinyl urea derivative, which acts as a TrkA inhibitor, and further disclosed are an intermediate compound of a compound of formula (I) and a preparation method therefor.

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