Novel herbicidal compounds of the general formula ##STR1## 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.sup.1 R.sup.2 or COQR.sup.3 where Q represents an oxygen or sulphur atom and each of R.sup.1, R.sup.2 and R.sup.3 represents a hydrogen atom or an optionally substituted alkyl, cycloalkyl, alkenyl, alkynyl, phenyl or phenalkyl group, or R.sup.1 and R.sup.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.
一般公式##STR1##的新型除草化合物,其中X代表2位取代的苯基,可选地取代3、4、5和6位中的一个或多个,2-取代基为腈基,或者是一般公式
CQNR.sup.1 R.sup.2或COQR.sup.3的基团,其中Q代表氧或
硫原子,R.sup.1、R.sup.2和R.sup.3每个代表氢原子或可选地取代的烷基、环烷基、烯基、炔基、苯基或苯烷基,或者R.sup.1和R.sup.2共同代表一个碳氢链;Y代表一个可选地取代的苯基;L代表一个氧或
硫原子;Z代表一个氢原子或一个可选地取代的烷基、环烷基、烯基、炔基、苯基或苯烷基;以及这些化合物的盐。