Patent · US Expired

Cyclic diamine derivatives

US4115569A · kind A · utility

8Cited by
1References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 21, 1975
Grant dateSep 19, 1978
Priority date
Expiry dateAug 21, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D405/06
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A compound having the general formula or an acid addition salt thereof ##STR1## in which formula R.sub.1 is selected from the group consisting of PA2 A. an at least mononuclear heterocyclic group having 4 to 10 carbon atoms in the ring system bound to the group ##STR2## through a carbon atom and containing at least one oxygen, nitrogen or sulphur atom, PA2 B. substitution products of (A) containing at least one substituent selected from the group consisting of halogen, trifluoromethyl, hydroxy, alkoxy of 1 to 3 carbon atoms, unsubstituted amino, amino substituted by up to two alkyl groups each having 1 to 3 carbon atoms and alkyl groups having 1 to 6 carbon atoms, PA1 X is oxygen, sulphur or an NH-group, PA1 Y is an alkylene group having 1 to 3 carbon atoms in the chain, or an alkylene group having 1 to 3 carbon atoms in the chain substituted by (a) up to 3 alkyl groups each having up to 3 carbon atoms and a total of not more than 8 carbon atoms, or (b) substituted by one or two phenyl groups, PA1 R.sub.2 is selected from the group consisting of PA2 C. an at least mononuclear carbocyclic or heterocyclic group having 4 to 10 carbon atoms in the ring system, containing but one hetero…

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