Patent · US Expired

Dicarboximides and their use as herbicides

US5276009A · kind A · utility

17Cited by
0References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 19, 1991
Grant dateJan 4, 1994
Priority date
Expiry dateJul 19, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D495/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Dicarboximides of the general formulae Ia and Ib ##STR1## where X is oxygen or sulfur, R.sup.1 is hydrogen, cycloalkyl, alkyl, hydroxyl, alkoxy, cyanoalkyl, alkenyl, alkynyl, phenyl, naphthyl or a 5-membered or 6-membered heterocyclic structure, where the stated radicals may be substituted, and PA1 R.sup.2 and R.sup.3 are each nitro, cyano, halogen, amino, mono- or dialkylamino, alkylcarbonylamino, unsubstituted or halogen-substituted alkoxy or alkylthio, alkylsulfonyl, haloalkylsulfonyl, alkenyl, alkynyl, phenyl, phenoxy or phenylthio or one of the radicals R.sup.1, with the proviso that specific compounds named in the description are excluded. Processes for the preparation of the compounds Ia and Ib and herbicides containing them.

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