Title:
HERBICIDAL COMPOSITION CONTAINING HETEROCYCLIC PENTALENE
Document Type and Number:
Japanese Patent JPS58987
Kind Code:
A
Abstract:
A herbicidal composition which comprises a carrier and, as active ingredient, a compound of the general formula I or where possible, an acid addition salt thereof:
in which Y represents a sulphur, selenium or tellurium atom; R<1> and R<2> each independently represents an optionally substituted alkyl or aryl group or an alkoxycarbonyl group, or R<1> and R<2> together represent an alkylene linkage or an alkylene linkage containing a heteroatom in the chain, each linkage being optionally substituted with one or more alkyl groups or phenyl groups or an alkoxy substituted phenyl group, a benzyl group, an acyl group, a pyridyl group or a furyl group with the proviso that when the heteroatom is sulphur it is optionally present in an oxidized form; X represents an oxygen atom and in addition when Y represents a sulphur atom X optionally represents a sulphur atom. Also within the scope of the invention are certain novel compounds according to general formula I and a method of combatting undesired plant growth at a locus.
Inventors:
CLARK MICHAEL THOMAS
GILMORE IAN JAMES
GILMORE IAN JAMES
Application Number:
JP10698082A
Publication Date:
January 06, 1983
Filing Date:
June 23, 1982
Export Citation:
Assignee:
SHELL INT RESEARCH
International Classes:
A01N43/90; C07D515/04; C07D515/06; C07D515/12; C07D515/16; C07D517/04; C07D517/06; C07D517/12; C07D517/16; (IPC1-7): A01N43/90; C07D513/04; C07D517/04
Other References:
BULL.SOC.CHIM.FRANCE=1979
TETRAHEDRON LETTERS=1972
TETRAHEDRON LETTERS=1972
Attorney, Agent or Firm:
Kazuho Kawarada
Next Patent: JPH058988