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.:
Date of Patent:
Jun. 11, 2024
Filed:
Mar. 25, 2020
Applicant:
Chengdu Shibeikang Biomedical Technology Co., Ltd., Sichuan, CN;
Inventors:
Assignee:
CHENGDU SHIBEIKANG BIOMEDICAL TECHNOLOGY CO., LTD., Sichuan, CN;
Primary Examiner:
Int. Cl.
CPC ...
C07C 215/44 (2006.01); A61K 31/137 (2006.01); C07C 209/52 (2006.01); C07C 213/02 (2006.01); C07C 249/02 (2006.01);
U.S. Cl.
CPC ...
C07C 213/02 (2013.01); C07C 209/52 (2013.01); C07C 249/02 (2013.01);
Abstract
A dibromobenzyl derivative with a structure shown as formula I, a stereoisomer or a pharmaceutically acceptable salt thereof and a preparation method and an application of the dibromobenzyl derivative are provided. The dibromobenzyl derivative or the stereoisomer thereof is superior in in-vivo pharmacokinetic stability and drug efficacy, and capable of being used for preparing respiratory drugs, in particular the apophlegmatic drugs.