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:
Jun. 28, 1983
Filed:
Nov. 03, 1981
Wilfred R Tully, Cirencester Glous, GB;
Roussel Uclaf, Paris, FR;
Abstract
A novel process for the preparation of triazoloquinazolinones of the formula ##STR1## wherein X is selected from the group consisting of hydrogen, fluorine, chlorine, bromine, --NO.sub.2, --CF.sub.3, --CH.sub.3 and --OCH.sub.3, n is an integer from 2 to 5, R.sub.1 and R.sub.2 are individually selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms and hydroxyalkyl of 1 to 5 carbon atoms or taken together with the nitrogen atom which they are attached form a saturated heterocycle optionally containing another heteroatom and optionally substituted with at least one member of the group consisting of hydroxy, alkyl and hydroxy alkyl of 1 to 5 carbon atoms, cycloalkyl of 3 to 6 carbon atoms, acyl of an aliphatic carboxylic acid of 1 to 5 carbon atoms, alkoxycarbonyl of 2 to 6 carbon atoms, aryl and aryl substituted with halogen or --CF.sub.3 and their non-toxic, pharmaceutically acceptable acid addition salts having antihistaminic and bronchospasmolytic activity and novel intermediates.