Patent · US Expired

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

US5977359A · kind A · utility

5Cited by
6References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 20, 1998
Grant dateNov 2, 1999
Priority date
Expiry dateOct 20, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/55
  • WIPO fieldPharmaceuticals
  • 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.