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:
Aug. 15, 1995
Filed:
Apr. 08, 1994
Paulus F van der Meij, Weesp, NL;
Paulus P de Jong, Weesp, NL;
Duphar International Research B.V., Weesp, NL;
Abstract
The invention relates to a process for the production of an acid addition salt of a dobutamine compound of the general formula ##STR1## wherein R is a hydrogen atom or a methyl group, and n is 1 or 2, by reacting a mineral acid--addition salt of a dopamine compound of the general formula ##STR2## with a ketone of the general formula ##STR3## under the influence of a catalytic amount of a base, and in the presence of hydrogen and a hydrogenation catalyst, after which the pH of the reaction mixture is adjusted to approx. 6 at most and the product is isolated.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile