Patent · US Expired

Heterocyclic compounds

US6214816A · kind A · utility

6Cited by
3References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 1999
Grant dateApr 10, 2001
Priority date
Expiry dateMar 10, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D413/06
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The compounds are N-substituted azaheterocyclic compounds of formula I ##STR1## wherein R.sup.1 and R.sup.2 independently are hydrogen, halogen, trifluoromethyl, hydroxy, C.sub.1-6 -alkyl or C.sub.1-6 -alkoxy; and Y is >N--CH.sub.2 -- wherein only the underscored atom participates in the ring system; and X is --C(R.sup.6 R.sup.7)--, --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--CH.sub.2 --, --CH.sub.2 --CH.dbd.CH--, --CH.sub.2 --(C.dbd.O)--, --(C.dbd.O)--CH.sub.2 --, --CH.sub.2 CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, CH(R.sup.10)CH.sub.2 --, --CH.sub.2 CH(R.sup.10) or --(C.dbd.O)-- wherein R.sup.6 and R.sup.7 independently are hydrogen or C.sub.1-6 -alkyl and wherein R.sup.10 is C.sub.1-6 -alkyl or phenyl; and r is 0, 1 or 2; and Z is selected from ##STR2## wherein A is --CH.sub.2 --, --O--, --S-- or --N(R.sup.5)-- wherein R.sup.5 is H or C.sub.1-6 -alkyl; and R.sup.3 is --(CH.sub.2).sub.p COR.sup.4 wherein p is 1, 2, 3 or 4 and R.sup.4 is OH, NH.sub.2, NHOH or C.sub.1-6 -alkoxy; or a pharmaceutically acceptable salt thereof. These compounds are useful for treating painful, hyperalgesic and/or inflammatory conditions in which C-fibers play a pathophysiological role by eliciting neurogenic pain…

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