Patent · US Expired

4-Aminoquinazoline derivatives as cardiac stimulants

US3971783A · kind A · utility

30Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 26, 1974
Grant dateJul 27, 1976
Priority date
Expiry dateApr 26, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D401/12
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Certain novel 7-alkoxy-4-(N-[.omega.-(heteroaryl)alkyl]amino)quinazoline compounds, optionally bearing an alkyl or substituted alkyl group at the 2-position, an alkyl, benzyl, phenyl or alkoxyphenyl group on the 4-amino nitrogen atom, an alkyl or alkoxy group at the 5-position, and an alkyl alkoxy, hydroxy or amino group at the 6-position; and the acid-addition salts thereof. Compounds are cardiac stimulants.

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