logo

For the Inventor, By the Inventor

The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11702439 B1

PDFFull Text
Date of Patent:
Jul. 18, 2023

Filed:

Jul. 24, 2019

Method for preparing trifluridine

Applicant:

Chia Tai Tianqing Pharmaceutical Group Co., Ltd., Jiangsu, CN;

Inventors:

Lin Liu, Jiangsu, CN;

Rui Zhao, Jiangsu, CN;

Guangming Sang, Jiangsu, CN;

Xingjian Zhou, Jiangsu, CN;

Xiaopeng Guo, Jiangsu, CN;

Aiming Zhang, Jiangsu, CN;

Gang Wu, Jiangsu, CN;

Chunguang Xia, Jiangsu, CN;

Xiquan Zhang, Jiangsu, CN;

Assignee:

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD., Jiangsu, CN;

Attorney:

Maschoff Brennan

Primary Examiner:

Patrick T Lewis

Int. Cl.
CPC ...
C07H 19/06 (2006.01);
U.S. Cl.
CPC ...
C07H 19/06 (2013.01);
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.

Find Patent Forward Citations

Quick Actions:

Liu, Lin. (2023). Method for preparing trifluridine (U.S. Patent No. 11702439). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11702439

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…