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:
Aug. 01, 2017
Filed:
Feb. 20, 2014
Shenyang Pharmaceutical University, Shenyang, CN;
Linxiang Zhao, Shenyang, CN;
Dan Liu, Shenyang, CN;
Hang Zhong, Shenyang, CN;
Xuan Zhao, Shenyang, CN;
Yongkui Jing, Shenyang, CN;
Shenyang Pharmaceutical University, Shenyang, CN;
Abstract
The present invention belongs to the field of medicinal technique, specifically relates to nitrogen-containing heterocyclic ring-substituted dihydroartemisinin derivatives and their optical isomers according to formula I or II; wherein substituent X, Y, R, R, R, Rand Rare as defined in the Description. The derivatives and compositions thereof can be prepared into clinically acceptable tablets, capsules, injections, ointments, etc., and thus have pharmaceutical uses in the treatment and/or prevention of cancers.