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. 04, 2015
Filed:
Dec. 23, 2010
Applicants:
Shengyong Yang, Chengdu, CN;
Yuquan Wei, Chengdu, CN;
Inventors:
Shengyong Yang, Chengdu, CN;
Yuquan Wei, Chengdu, CN;
Assignees:
CSPC Zhongqi Pharmaceutical Technology (Shijiazhuang) Co., Ltd., Shijiazhuang, Hebei Province, CN;
Sichuan University, Chengdu, Sichuan Province, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 473/16 (2006.01); C07D 473/18 (2006.01); C07D 473/32 (2006.01);
U.S. Cl.
CPC ...
C07D 473/32 (2013.01); C07D 473/16 (2013.01); C07D 473/18 (2013.01);
Abstract
Arylamino purine derivatives represented by formula I and their preparation method are disclosed, wherein each substituent is defined as in the description. The derivatives have an inhibitory effect on non-small cell lung cancer with deletion mutation of exon 19 or L858R point mutation of exon 21 in epidermal growth factor receptor (EGFR).