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:
Aug. 27, 2024
Filed:
Mar. 13, 2020
Applicant:
Chugai Seiyaku Kabushiki Kaisha, Tokyo, JP;
Inventor:
Manabu Wadamoto, Kanagawa, JP;
Assignee:
Chugai Seiyaku Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 269/06 (2006.01); C07D 209/48 (2006.01); C07D 213/55 (2006.01); C07D 239/26 (2006.01); C07D 263/18 (2006.01);
U.S. Cl.
CPC ...
C07C 269/06 (2013.01); C07D 209/48 (2013.01); C07D 213/55 (2013.01); C07D 239/26 (2013.01); C07D 263/18 (2013.01); C07C 2603/18 (2017.05);
Abstract
The present invention provides methods of efficiently producing various optically active aromatic amino acid derivatives by reacting, using an additive, a specific ester compound with an aromatic halide and zinc in the presence of a catalyst. The present invention also provides amino acid derivatives that can be produced by the methods.