Patent · US Expired

Substituted heterocyclic compounds method of preparing them and pharmaceutical compositions in which they are present

US5780466A · kind A · utility

50Cited by
1References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 27, 1996
Grant dateJul 14, 1998
Priority date
Expiry dateAug 27, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D487/08
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to compounds of the formula ##STR1## in which: A is a divalent radical selected from: PA2 A.sub.1) --O--CO-- PA2 A.sub.2) --CH.sub.2 --O--CO-- PA2 A.sub.3) --O--CH.sub.2 --CO-- PA2 A.sub.4) --O--CH.sub.2 --CH.sub.2 -- PA2 A.sub.5) --N(R.sub.1)--CO-- PA2 A.sub.6) --N(R.sub.1)--CO--CO-- PA2 A.sub.7) --N(R.sub.1)--CH.sub.2 --CH.sub.2 -- PA2 A.sub.8) --O--CH.sub.2 -- in which: PA1 R.sub.1 is a hydrogen or a (C.sub.1 -C.sub.4)-alkyl; and PA1 Am is a nitrogen-containing heterocycle.

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