Patent · US Expired

Chromene derivatives useful as insecticides

US4716238A · kind A · utility

8Cited by
4References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 14, 1984
Grant dateDec 29, 1987
Priority date
Expiry dateFeb 14, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D311/70
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to pesticidal compositions comprising as active ingredient a compound of the general Formula I ##STR1## wherein R.sup.1 and R.sup.2 stand for hydrogen, optionally halogenosubstituted C.sub.1-6 alkyl or aryl; PA0 R.sup.3 and R.sup.4 are hydrogen, halogen or C.sub.1-6 alkyl; PA0 R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are hydrogen, hydroxy, mercapto, amino, C.sub.1-10 alkyl; a group containing a methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, sec. butoxy, isobutoxy, tert. butoxy, n-pentyloxy, cyclopropyloxy, cyclobutyloxy, cyclopentyloxy, cyclohexyloxy, cycloheptyloxy, cyclooctyloxy, allyloxy, crotyloxy, prenyloxy, propargyloxy, substituted propargyloxy, C.sub.1-3 alkylenedioxy, aralkoxy, substituted aralkoxy, hydroxyalkoxy, alkoxyalkoxy, mercaptoalkoxyalkoxy, halogenoalkoxy, dihalogenoalkoxy, trihalogenoalkoxy, polyhalogenoalkoxy, N,N-dialkylaminoalkoxy, cycloalkylaminoalkoxy, alkylenoxy-alkyleneoxy, alkylene-thia-alkylenoxy or alkylene-aza-alkylenoxy unit or C.sub.2-6 acyl or a salt thereof and to a process for the preparation of the active ingredient.

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