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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 4438035 B1

PDFFull Text
Date of Patent:
Mar. 20, 1984

Filed:

Dec. 01, 1982

Method of preparing benzothiazepine derivatives

Applicant:
Inventors:

Mitsunori Gaino, Omiya, JP;

Ikuo Iijima, Urawa, JP;

Shigeru Nishimoto, Minoh, JP;

Kuichiro Ikeda, Onoda, JP;

Tokuo Fujii, Yamaguchi, JP;

Assignee:

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

Attorneys:

Bierman; Jordan B.

Bierman; Linda

Primary Examiner:

Robert T Bond

Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ;
Abstract

A benzothiazepine derivative of the formula: ##STR1## wherein R is hydrogen or acetyl, is prepared by condensing a compound of the formula: ##STR2## wherein R is the same as defined above, with 2-(diamethylamino)ethyl halide (i) in the presence of potassium hydroxide in acetone; or (ii) in the presence of potassium carbonate in acetone, lower alkyl acetate, a mixture of acetone and water or a mixture of lower alkyl acetate and water.

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Gaino, Mitsunori. (1984). Method of preparing benzothiazepine derivatives (U.S. Patent No. 4438035). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4438035

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