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:
Oct. 13, 2015
Filed:
Nov. 30, 2012
Applicant:
Hangzhou Bensheng Pharmaceutical Co., Ltd., Zhejiang, CN;
Inventors:
Assignee:
Hangzhou Bensheng Pharmaceutical Co., Ltd., Zhejiang, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/21 (2006.01); A61K 31/44 (2006.01); A61K 31/497 (2006.01); A61K 31/535 (2006.01); C07C 69/74 (2006.01); C07D 211/68 (2006.01); C07D 265/30 (2006.01); C07D 241/04 (2006.01); C07D 487/00 (2006.01); C07D 295/13 (2006.01); C07J 63/00 (2006.01); C07C 235/84 (2006.01); C07D 213/40 (2006.01);
U.S. Cl.
CPC ...
C07D 295/13 (2013.01); C07C 235/84 (2013.01); C07D 213/40 (2013.01); C07J 63/00 (2013.01); C07J 63/008 (2013.01);
Abstract
The present invention belongs to the field of natural medicine and pharmaceutical chemistry, and specifically relates to novel 2-substituted oleanolic acid derivatives of formula (I) or a pharmaceutically acceptable salt thereof, to a process for the preparation of these compounds, compositions containing such compounds and their use in preparing antineoplastic medicaments.