IDiyas

For the Inventor, By the Inventor

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 11731960 B1

PDFFull Text
Date of Patent:
Aug. 22, 2023

Filed:

Jul. 22, 2022

Biheterocyclic compound

Applicant:

Sumitomo Pharma Co., Ltd., Osaka, JP;

Inventors:

Hitoshi Watanabe, Toyonaka, JP;

Yoshiaki Isobe, Takatsuki, JP;

Hidenori Kimura, Bunkyo-ku, JP;

Yuji Fujiwara, Ibaraki, JP;

Assignee:

SUMITOMO PHARMA CO., LTD., Osaka, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Kamal A Saeed

Int. Cl.
CPC ...
C07D 405/14 (2006.01); A61K 31/352 (2006.01); A61K 31/4192 (2006.01); A61K 31/4709 (2006.01); A61K 31/519 (2006.01); C07D 311/22 (2006.01); C07D 405/04 (2006.01); C07D 471/04 (2006.01); A61P 25/28 (2006.01); A61P 27/04 (2006.01);
U.S. Cl.
CPC ...
C07D 405/14 (2013.01); A61K 31/352 (2013.01); A61K 31/4192 (2013.01); A61K 31/4709 (2013.01); A61K 31/519 (2013.01); A61P 25/28 (2018.01); A61P 27/04 (2018.01); C07D 311/22 (2013.01); C07D 405/04 (2013.01); C07D 471/04 (2013.01);
Abstract

The present invention provides a compound of formula (1) and a pharmaceutical composition comprising the compound useful as a nerve regeneration promoter wherein R-L- is R—OC(O)—, or the like, Ris hydrogen atom, optionally-substituted Calkyl group, optionally-substituted 3- to 8-membered cycloalkyl group, or the like, Ris hydrogen atom or the like, Ring A is formula (2) or formula (3) wherein Ris hydrogen atom, optionally-substituted Calkyl group, or the like, the part of X, Y, and Z is X═Y—Z, X—Y═Z, or X—Y—Z, X is nitrogen atom, NR(Ris hydrogen atom, optionally-substituted Calkyl group, or the like), or the like, Y is carbon atom or the like, and Z is carbon atom, nitrogen atom or the like.

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