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:
Apr. 10, 1984
Filed:
Sep. 15, 1982
Applicant:
Inventors:
Nigel R Beeley, Villebon sur Yvette, FR;
Gerard Cremer, Chilly Mazarin, FR;
Michael J Dimsdale, Villebon sur Yvette, FR;
Philippe Manoury, Le Plessis Robinson, FR;
Assignee:
Synthelabo, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07C / ;
U.S. Cl.
CPC ...
424324 ; 564222 ; 564428 ; 424330 ;
Abstract
New compounds of the formula: ##STR1## wherein R.sub.1 represents a hydrogen atom or an alkanoyl group containing from 1 to 4 carbon atoms, R.sub.2 and R.sub.3 each represent a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group, and R.sub.4 represents a hydroxy or methoxy group in the 6-position or 7-position, have been found to be useful in therapy, and more particularly in the treatment of cardiovascular diseases and Parkinson's disease.