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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.:

US 8207161 B1

PDFFull Text
Expired
Date of Patent:
Jun. 26, 2012

Filed:

Nov. 27, 2008

Tetrahydro-imidazo[1,5-α]pyrazine derivatives, preparation process and medicinal use thereof

Applicants:

Peng Cho Tang, Shanghai, CN;

Fanglong Yang, Shanghai, CN;

Jiang Fan, Shanghai, CN;

HU Feng, Shanghai, CN;

Yang Wang, Shanghai, CN;

Tao Yang, Shanghai, CN;

Inventors:

Peng Cho Tang, Shanghai, CN;

Fanglong Yang, Shanghai, CN;

Jiang Fan, Shanghai, CN;

Hu Feng, Shanghai, CN;

Yang Wang, Shanghai, CN;

Tao Yang, Shanghai, CN;

Assignees:

Jiangsu Hengrui Medicine Co. Ltd., Jiangsu, CN;

Shanghai Hengrui Pharmaceutical Co. Ltd., Shanghai, CN;

Attorneys:

Ryan L. Marshall

Brinks Hofer Gilson & Lione

Primary Examiner:

Timothy Thomas

Assistant Examiner:

Dennis Heyer

Int. Cl.
CPC ...
A61K 31/541 (2006.01); A61K 31/5377 (2006.01); A61K 31/519 (2006.01); C07D 487/04 (2006.01); C07D 413/14 (2006.01); C07D 279/12 (2006.01); C12N 9/99 (2006.01); A61P 3/10 (2006.01); A61P 3/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

Tetrahydro-imidazo[1,5-a]pyrazine derivatives of formula (I), their preparation methods, pharmaceutical compositions containing the derivatives and uses thereof as medicaments, especially as dipeptidyl peptidase IV inhibitors, wherein the substituents of formula (I) are defined as same as the description.

Find Patent Forward Citations

Tang, Peng. (2012). Tetrahydro-imidazo[1,5-α]pyrazine derivatives, preparation process and medicinal use thereof (U.S. Patent No. 8207161). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8207161

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