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:
Feb. 23, 1988
Filed:
Apr. 18, 1986
Applicant:
Inventors:
Andreas Fuss, Karlstein, DE;
Gunter Siegemund, Hofheim am Taunus, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
544216 ; 558-1 ; 558-2 ; 558-4 ; 558-5 ; 558-6 ; 558-8 ; 546272 ; 546281 ; 546283 ; 546284 ; 546291 ; 546331 ; 546334 ; 546261 ; 548178 ; 548561 ; 548565 ; 548566 ; 549451 ; 549 75 ; 544336 ; 544335 ; 544224 ;
Abstract
The invention relates to a process for the preparation of compounds of the formula I and salts or acid addition compounds thereof ##STR1## in which R denotes hydrogen, (halogenated) alkyl with the exception of CF.sub.3, a (substituted) aromatic radical, (substituted) heteroaryl, (substituted) phenoxy, (substituted) phenylthio, (substituted) phenylamino, halogen, hydroxyl, alkoxy, mercapto, (halogenated) cycloalkyl, alkylmercapto, amino, monoalkylamino or dialkylamino,