Herbicides

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C - Chemistry, Metallurgy

07

D

C07D 401/04 (2006.01) A01N 43/52 (2006.01) A01N 43/78 (2006.01) A01N 43/90 (2006.01) C07D 401/14 (2006.01) C07D 405/14 (2006.01) C07D 409/14 (2006.01) C07D 417/14 (2006.01) C07D 491/04 (2006.01) C07D 491/044 (2006.01) C07D 495/04 (2006.01)

Patent

CA 2065198

ABSTRACT Benzimidazolyl derivatives of formula Image wherein Y represents:- an optionally substituted alkyl, alkenyl or alkynyl group; or an optionally substituted cycloalkyl group; or a group -SR, -OR, halogen, aryl or aralkyl; or 2 groups Y form a fused phenyl ring; R2 represents a group -OH, -NR7R8 or -XM; A represents a group -SO2NR7R8; Y1 represents an optionally substituted alkyl, alkenyl or alkynyl group; or an optionally substituted cycloalkyl group; or a group such as -SR, -OR, halogen, aryl, aralkyl, -O-aryl or -NR7R8; n represents one or two; m represents an integer from 1 to 4; R represents an optionally substituted alkyl group; or an optionally substituted cycloalkyl group; R7 and R8 represent independently a group such as hydrogen, R, aryl or aralkyl; X represents oxygen or sulphur, M represents an optionally substituted alkyl group; or an optionally substituted cycloalkyl group; or an aryl, aralkyl, alkenyl, alkynyl, or an iminegroup; agriculturally acceptable salts thereof; the herbicidal compositions comprising these compounds and their application to crop protection is described.

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