Patent · US Expired

Amino pyridine derivatives

US4180670A · kind A · utility

6Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 30, 1978
Grant dateDec 25, 1979
Priority date
Expiry dateJan 30, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D213/75
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Novel 4-pyridinamine derivatives having the formula ##STR1## [where R.sup.1 and R.sup.2 are aryl or heteroaryl (optionally linked together by a lower alkylene bridge) or one of R.sup.1 and R.sup.2 is aryl or heteroaryl and the other of R.sup.1 and R.sup.2 is lower alkyl or ar(lower)alkyl, R.sup.3 and R.sup.4 are each hydrogen or lower alkyl and n is 0 or 1] and their non-toxic acid addition salts are described. They show CNS activity and may be used as antidepressant drugs. Some also show stimulant activity. Novel intermediates having the formula ##STR2## are also described.

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