Patent · US Active

Method for preparing trifluridine

US11702439B2 · kind B2 · utility

0Cited by

2References

19Claims

0Family size

Assignee

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

Inventors

Lin Liu · Gainesville, US
Rui Zhao · Beijing, CN
Guangming Sang · 安丰镇, CN
Xingjian Zhou · 安丰镇, CN
Xiaopeng Guo · Jiexiu, CN
Aiming Zhang · Lianyungang, CN
Gang Wu · Zhejiang, CN
Chunguang Xia · Lianyungang, CN
Xiquan Zhang · 安丰镇, CN

Key dates

Filing date	Jul 24, 2019
Grant date	Jul 18, 2023
Priority date	—
Expiry date	Feb 18, 2040

Classification

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

Abstract

The present application relates to a method for preparing trifluridine, comprising reacting a compound of formula III with a compound of formula IV in a first solvent in the presence of an acid to obtain a compound of formula II, and performing further reaction to obtain trifluridine.

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