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:
May. 11, 1993
Filed:
Aug. 23, 1991
Applicant:
Inventors:
Yukio Mizuno, Toyono, JP;
Miichiro Arita, Nara, JP;
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
558442 ; 558452 ; 558451 ;
Abstract
A method of producing diethanolamine derivatives or acid salts thereof according to the reaction scheme: ##STR1## wherein X stands for a leaving group; and R.sup.1 stands for an alkylcarbamoyl group, which provides an industrially advantageous method of preparing the subject matter useful as an antiarrhythmic agent.