Substituted phenylurea derivative, its preparation, and herbicide for foliar treatment containing said compound as active component
专利汇可以提供Substituted phenylurea derivative, its preparation, and herbicide for foliar treatment containing said compound as active component专利检索，专利查询，专利分析的服务。并且NEW MATERIAL:The compound of forulaI(X ia halogen or CF
3 ; A is OCH
3 or CH
3 ).
EXAMPLE: N'-3-( 3-Trifluoromethylbenzyloxymethyl )phenyl-N-methoxy-N-methylurea.
USE: A herbicide for foliar treatment. It exterminates the broad-leaved weeds such as violet, Byzanitine speedwell, etc. almost completely, and suppresses the gramineous weeds such as SHIBA-MUGI to a certain extent. It has excellent selectivity, e.g. very low phytotoxicity to wheat.
PROCESS: The compound of formulaIcan be prepared, e.g. by reacting the aniline derivative of formula II with N-methoxy-N-methylcarbamyl chloride or N,N- dimethylcarbamyl chloride. The reaction is preferably carried out in a solvent such as benzene in the presence of a dehydrochlorinating agent such as pyridine.
COPYRIGHT: (C)1982,JPO&Japio，下面是Substituted phenylurea derivative, its preparation, and herbicide for foliar treatment containing said compound as active component专利的具体信息内容。
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5 液体除草制剂
