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:
Jan. 14, 1992
Filed:
Jul. 12, 1990
Applicant:
Inventors:
Assignee:
Sanofi, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
540491 ; 562 60 ; 549549 ;
Abstract
The object of the invention is a process for the preparation of the trans(-) (2R,3S) diastereoisomer of the glycidic esters of general formula: ##STR1## wherein a chlorohydrin of general formula: ##STR2## is reacted with a strong organic base in a suitable solvent and at a temperature between -10.degree. C. and room temperature. Another object of the invention is intermediate compounds cis(+) (2S,3S) 1,5-benzothiazepin-4-one.
Bousquet, Andre. (1992). Process for the preparation of benzothiazepin-one derivatives (U.S. Patent No. 5081240). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5081240
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