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. 20, 1984
Filed:
Dec. 01, 1982
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:
Primary Examiner:
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.