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:
Feb. 26, 1991
Filed:
Jun. 29, 1989
Applicant:
Inventor:
Erno Mohacsi, Summit, NJ (US);
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07B / ; C07C / ;
U.S. Cl.
CPC ...
562401 ; 560 10 ; 562427 ;
Abstract
A process for preparing optically active naphtho[1,2-b][1,4]thiazepin-4(5H)-ones comprising resolution of rac-.beta.-[(2-amino-1-naphthalenyl)thio]-.alpha.- hydroxy-4-methoxybenzenepropanoic acid and converting the optically active acids so obtained into final products is described. The end product naphtho[1,2-b][1,4]thiazepin- 4(5H)-ones have activity as calcium channel blockers and accordingly are useful as agents for lowering blood pressure, and as agents for treating ischemia.
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Mohacsi, Erno. (1991). Enantiomers of .beta.-[(2-amino-1-naphthalenyl) (U.S. Patent No. 4996352). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4996352
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile