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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.:

US 5169946 B1

PDFFull Text
Date of Patent:
Dec. 08, 1992

Filed:

Nov. 27, 1991

Process for preparing 1,5-benzothiazepine derivative

Applicant:
Inventors:

Masanori Yoshioka, Chiba, JP;

Mitsuyoshi Wagatsuma, Urawa, JP;

Akiyoshi Yoda, Tokyo, JP;

Yoshihisa Yamada, Onoda, JP;

Gunji Yoshimura, Onoda, JP;

Assignee:

Tanabe Seiyaku Co., Ltd., Osaka, JP;

Attorney:

Browdy and Neimark

Primary Examiner:

Robert T Bond

Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
540491 ;
Abstract

A process for preparing hydrochloride of 3-acetoxy-2,3-dihydro-5-[2-(dimethylamino)ethyl]-2-(p-methoxyphenyl)-1,5-b enzothiazepin-4(5H)-one which comprises reacting 3-hydroxy-2,3-dihydro-5-[2-(dimethylamino)ethyl]-2-(p-methoxyphenyl)-1,5-b enzothiazepin-4(5H)-one which acetyl chloride in acetic acid or a mixed solvent of acetic acid and acetic anhydride. According to the process, hydrochloride of 3-acetoxy-2,3-dihydro-5-[2-(dimethylamino)ethyl]-2-(p-methoxyphenyl)-1,5-b enzothiazepin-4(5H)-one is readily obtained in one step.

Find Patent Forward Citations

Yoshioka, Masanori. (1992). Process for preparing 1,5-benzothiazepine derivative (U.S. Patent No. 5169946). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5169946

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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