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. 26, 2017
Filed:
May. 07, 2013
Applicant:
Hebei University, Baoding, Hebei, CN;
Inventors:
Assignee:
Heibei University, , CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/4412 (2006.01); C07D 213/89 (2006.01); C12P 17/12 (2006.01); A61K 9/00 (2006.01); A61K 9/14 (2006.01); A61K 9/20 (2006.01); A61K 9/48 (2006.01);
U.S. Cl.
CPC ...
A61K 31/4412 (2013.01); A61K 9/0019 (2013.01); A61K 9/0053 (2013.01); A61K 9/14 (2013.01); A61K 9/20 (2013.01); A61K 9/48 (2013.01); C07D 213/89 (2013.01); C12P 17/12 (2013.01);
Abstract
Disclosed in the present invention is a protein tyrosine phosphatase inhibitor. The preparation method therefor is: extracting the crude product from thesolid or liquid fermentation broth using ethyl acetate, ethanol, methanol, or a mixed solvent of chloroform and methanol; separating the obtained extract using column chromatography on silica gel; and obtaining the target product. The inhibitor can be used to prepare pharmaceutical compositions for treating and preventing diabetes, obesity and cancers.