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:
Nov. 12, 2013
Filed:
Apr. 17, 2008
Zhanggui Wu, Hangzhou, CN;
Weidong YE, Xinchang County, CN;
Jianyong Yuan, Xinchang County, CN;
Gang Chen, Xinchang County, CN;
Zhanggui Wu, Hangzhou, CN;
Weidong Ye, Xinchang County, CN;
Jianyong Yuan, Xinchang County, CN;
Gang Chen, Xinchang County, CN;
Zhanggui Wu, Hangzhou, CN;
Zhe Jiang Medicine Co., Ltd, Chengguan Town, CN;
Abstract
The present invention provides 2,6-dinitrogen-containing substituted purine compounds of formula (A) or salts or solvates thereof or the solvates of salts thereof, as well as pharmaceutical compositions containing such compounds. The compounds of the present invention have the characteristics of lower toxicity, broad anticancer spectrum, higher anticancer activity, good stability and the like. The compounds are useful for the manufacture of an antitumor medicament. The present invention also provides a process for preparing these compounds.