Patent · US Expired

N-hetaryl-2-nitroanilines

US5298515A · kind A · utility

3Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 6, 1992
Grant dateMar 29, 1994
Priority date
Expiry dateOct 6, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D417/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Abstract of the Disclosure: N-Hetaryl-2-nitroanilines Ia and Ib ##STR1## (R.sup.1 =H, halogen, C.sub.1 -C.sub.4 -alkoxy; R.sup.2 =NO.sub.2, CN, halogen, C.sub.1 -C.sub.4 -haloalkyl; R.sup.3 =NO.sub.2, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.4 -haloalkyl; R.sup.4 =CO--R.sup.5,CO--OR.sup.5, SO.sub.2 R.sup.5 with R.sup.5 =C.sub.1 -C.sub.4 -alkyl, substituted or unsubstituted phenyl or naphthyl; Q=H, alkali metal or alkaline earth metal ion, substituted or unsubstituted ammonium ion, phosphonium, sulfonium or sulfoxonium ion, one equivalent of a transition metal cation; Het=thienyl, thiazolyl, isothiazolyl or thiadiazolyl, each of which is linked via a ring carbon to the basic element, which can be fused to a non-aromatic C.sub.5 -C.sub.8 -ring and/or can additionally carry on each other carbon one of the following: CN, SCN, NO.sub.2, halogen, alkyl, haloalkyl, cycloalkyl, alkoxy, alkylthio, substituted or unsubstituted phenyl, naphthyl, benzyl or thienyl, CO--R.sup.5, CO--OR.sup.5, NR.sup.6 R.sup.7 ; R.sup.6, R.sup.7 =C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.4 -alkenyl, C.sub.2 -C.sub.4 alkynyl; excepting Ia where R.sup.1 =H, R.sup.2 and/or R.sup.3 =NO.sub.2 and Het= 1,3,4 -th…

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