Patent · US Expired

Quinazoline and medicaments containing these compounds

US4578389A · kind A · utility

3Cited by

2References

6Claims

0Family size

Assignee

Ludwig Heumann & Co. GmbH · DE

Inventors

Helmut Schickaneder · Eckental, DE
Istvan Szeleny · Arnstorf, DE
Peter Morsdorf · Langenzenn, DE
Kurt H. Ahrens · Nürnberg, DE

Key dates

Filing date	Sep 10, 1984
Grant date	Mar 25, 1986
Priority date	—
Expiry date	Sep 10, 2004

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D417/12
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to quinazoline derivatives corresponding to the following general formula ##STR1## in which R is a mono- to trisubstituted 5-ring heterocycle from the group comprising triazoles, oxadiazoles, thiazoles and imidazoles, the heterocycle being attached to the piperazine or homopiperazine ring by a carbon atom, and n has a value of 2 or 3, or R represents an N-cyanophenyl imidocarbonate group, and to physiologically compatible salts thereof, to processes for their production and to medicaments containing these compounds.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.