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:
Dec. 07, 2021
Filed:
Jan. 31, 2019
Shenzhen Neptunus Pharmaceutical Research Institute Co., Ltd., Guangdong, CN;
Tian Tang, Guangdong, CN;
Zhiying Huang, Guangdong, CN;
Jing Wu, Guangdong, CN;
Yanping Chen, Guangdong, CN;
Tao Shi, Guangdong, CN;
Yanqing Wang, Guangdong, CN;
Jing'an Yang, Guangdong, CN;
Abstract
Provided in the present invention are a crystal form of a small molecule immune compound, a preparation method therefor and a pharmaceutical composition containing the same; the compound is (3Z,6Z)-3-[((E)-3-(5-tert-butyl)-1H-imidazolyl-4-yl)methylene]-6-((E)-3-(3-fluorophenyl)-2-propenylene)piperazine-2,5-dione; the crystal form thereof has stable morphology, good chemical stability, high temperature resistance, and is used for treating hyperproliferative diseases. The structural formula of the compound is as shown in formula (I).