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.

Date of Patent:
Mar. 18, 2025

Filed:

May. 05, 2022
Applicant:

Chongqing University of Arts and Sciences, Chongqing, CN;

Inventors:

Jie Lei, Chongqing, CN;

Zhongzhu Chen, Chongqing, CN;

Zhigang Xu, Chongqing, CN;

Dianyong Tang, Chongqing, CN;

Jiayu Xu, Chongqing, CN;

Haoyi Zhou, Chongqing, CN;

Dandan Xia, Chongqing, CN;

Yao Liu, Chongqing, CN;

Yihua Cao, Chongqing, CN;

Jie Luo, Chongqing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 241/04 (2006.01); C07D 213/74 (2006.01); C07D 221/04 (2006.01); C07D 491/056 (2006.01);
U.S. Cl.
CPC ...
C07D 241/04 (2013.01); C07D 213/74 (2013.01); C07D 221/04 (2013.01); C07D 491/056 (2013.01);
Abstract

The present application relates to processes for the preparation of quinolone compounds and intermediates thereof, particularly to processes for the preparation of quinolones and pharmaceutical intermediates of the quinolones. In particular, the present application provides a process for the preparation of a compound of Formula I, and a process for the synthesis of quinolone compounds using the compound of Formula I as an intermediate. The process for the preparation of the compound of Formula I comprises the steps of:


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