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:
Nov. 05, 2024
Filed:
Mar. 05, 2020
Applicant:
Kaneka Corporation, Osaka, JP;
Inventors:
Assignee:
KANEKA CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 213/81 (2006.01);
U.S. Cl.
CPC ...
C07D 213/81 (2013.01);
Abstract
A method for producing a first vadadustat intermediate represented by the following formula (3) comprising reacting a compound represented by the following formula (1) with glycine or a glycine derivative represented by the following formula (2) or a salt of the glycine or the glycine derivative in the presence of carbon monoxide. The method produces a vadadustat intermediate through a clean reaction with high atom conversion efficiency.