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:
Oct. 03, 1989
Filed:
Apr. 28, 1987
Applicant:
Inventors:
Sandor Batori, Budapest, HU;
Gyorgy Hajos, Budapest, HU;
Andras Messmer, Budapest, HU;
Pal Benko, Budapest, HU;
Laszlo Pallos, Budapest, HU;
Lujza Petocz, Budapest, HU;
Katalin Grasser, Budapest, HU;
Ibolya Kosoczky, Budapest, HU;
Eniko Szirt nee Kiszelly, Budapest, HU;
Assignee:
EGIS Gyogyszergyar, Budapest, HU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544183 ;
Abstract
A process for the preparation of condensed as-triazinium derivatives of the formula I ##STR1## and isomers thereof, wherein R.sub.1 inter alia is an alkyl group, R.sub.2 inter alia is hydrogen or an alkyl group and R.sub.3 is hydrogen and where Z is a group of the formula a or b ##STR2## which comprises reacting a compound of the formula II ##STR3## where Y is a group of the formula c or d ##STR4## with a compound of the formula IIa