Patent · US Expired

Bithienyl derivatives, and herbicidal use for agents containing them

US5158598A · kind A · utility

1Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 4, 1989
Grant dateOct 27, 1992
Priority date
Expiry dateAug 4, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D417/14
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Bithienyl derivatives of the formula Ia ##STR1## where the substituents have the following meanings: R.sup.1, R.sup.2 hydrogen, halogen, nitro, formyl, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.3 -C.sub.8 -cycloalkoxy, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkylthio, substituted or unsubstituted C.sub.1 -C.sub.6 -alkylcarbonyl, substituted or unsubstituted C.sub.3 -C.sub.6 -cycloalkylcarbonyl, substituted or unsubstituted C.sub.1 -C.sub.6 -alkoxycarbonyl and/or phenylcarbonyl; PA0 R.sup.3 hydrogen, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkyl or C.sub.1 -C.sub.4 -haloalkoxy; PA0 A --CSNH.sub.2 ; PA0 substituted or unsubstituted oxazol-2-yl, oxazol-5-yl, isoxazol-3-yl, pyrazol-3-yl, pyrazol-5-yl, thiazol-2-yl or a corresponding benzofused radical; methods of manufacturing compounds Ia and agents containing a bithienyl derivative of the general formula I ##STR2## where B is --CSNH.sub.2 ; PA0 substituted or unsubstituted pyridyl, quinolinyl, phenyl, naphthyl, furyl, pyrrolyl, pyrazolyl, imidazolyl,…

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