| 摘要 |
Novel herbicidal compounds of the general formula <CHEM> in which X represents a phenyl group substituted in the 2-position and optionally substituted in one or more of the 3-, 4-, 5- and 6-positions, the 2-substituent being a cyano group, or a group of the general formula CQNR<1>R<2> or COQR<3> where Q represents an oxygen or sulphur atom and each of R<1>, R<2> and R<3> represents a hydrogen atom or an optionally substituted alkyl, cycloalkyl, alkenyl, alkynyl, phenyl or phenalkyl group, or R<1> and R<2> jointly represent a hydrocarbon chain; Y represents an optionally substituted phenyl group; L represents an oxygen or sulphur atom; and Z represents a hydrogen atom or an optionally substituted alkyl, cycloalkyl, alkenyl, alkynyl, phenyl or phenalkyl group; and salts of such compounds. |
