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:
Mar. 18, 2025
Filed:
Jul. 22, 2020
Applicant:
Aetas Pharma Co., Ltd., Tokyo, JP;
Inventor:
Sayuri Hirano, Osaka, JP;
Assignee:
AETAS PHARMA CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 417/06 (2006.01);
U.S. Cl.
CPC ...
C07D 417/06 (2013.01);
Abstract
The present invention addresses the problem of providing an efficient asymmetric synthesis method for an optically active 1,4-benzothiazepine-1-oxide derivative. [Solution] According to the present invention, an optically active 1,4-benzothiazepine-1-oxide derivative is efficiently produced by reacting a 1,4-benzothiazepine derivative or a salt thereof with a reagent containing a titanium compound, a chiral diol compound and water, and an oxidant in a solvent.