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:
Dec. 10, 2024

Filed:

Dec. 04, 2023
Applicant:

The Second People's Hospital of Shenzhen (Shenzhen Institute of Geriatrics), Shenzhen, CN;

Inventors:

Zhengzhi Wu, Shenzhen, CN;

Bohua Long, Shenzhen, CN;

Zhiyue Li, Shenzhen, CN;

Liuyang Pu, Shenzhen, CN;

Shengquan Hu, Shenzhen, CN;

Limin Li, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 513/04 (2006.01); A61P 31/14 (2006.01);
U.S. Cl.
CPC ...
C07D 513/04 (2013.01); A61P 31/14 (2018.01);
Abstract

A structural analog of Cyclotheonellazole A, and a synthetic method therefor and an application method thereof are provided. A compound with a structure of formula (I) and a pharmaceutically acceptable salt thereof are provided. The formula (I) is as follows: R, R, Rand Rare independently selected form the group consisting of H, a C1-C6 alkyl group, a C1-C6 alkoxy group, a halogen group, a hydroxyl group, an amino group, a nitro group, a cyano group, and a sulfydryl group. Based on the total synthetic route of Cyclotheonellazole A, the classical reverse synthesis analysis is utilized, the structural modification is purposefully carried out, a mother nucleus of the natural product remains unchanged, and the structural analog 1a is obtained by replacing a left side chain with a simple formylamine, thereby confirming the excellent protease inhibitory activity thereof, and having a strong application prospect in the pharmaceutical industry.


Find Patent Forward Citations

Loading…