Patent · US Expired

[1,3,4] Triazolo [1,5-A] pyridines

US6043369A · kind A · utility

12Cited by
0References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 10, 1997
Grant dateMar 28, 2000
Priority date—
Expiry dateNov 10, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D471/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Triazolopyridines of the formula ##STR1## where R.sup.1 is unsubstituted or substituted C.sub.1 -C.sub.20 -alkyl, unsubstituted or substituted phenyl or unsubstituted or substituted mercapto, PA1 R.sup.2 is hydrogen, formyl, nitroso, cyano or substituted methyl, PA1 R.sup.3 is unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxycarbonyl or phenyl, PA1 R.sup.4 is hydrogen, cyano, carbamoyl, carboxyl or C.sub.1 -C.sub.4 -alkoxycarbonyl and PA1 R.sup.5 is hydroxyl, mercapto, halogen, unsubstituted or substituted amino or the radical of a CH-acidic compound, and processes for preparing triazolopyridines are described.

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