| 摘要 |
NEW MATERIAL:A 1,2,4-triazole-3-carboxamide expressed by formula I [R is 2-10C straight-chain or branched or cyclic saturated alkyl or unsaturated alkyl (which may be substituted by F), aryl or aralkyl expressed by formula II (n is 0 or 1; m is 0-5; R<1> is halogen, alkoxy, alkyl, etc.); 3-10C straight-chain or branched saturated or unsaturated alkoxyalkyl, phenoxyalkyl (phenyl may be substituted by halogen or alkyl) or aralkoxyalkyl]. EXAMPLE:1-[3-[3-(Methylbutoxy) methyl]phenyl]-5-phenyl-1H-1,2,4-triazole-3-car boxamide. USE:A herbicide capable of exhibiting excellent selective herbicidal effects. PREPARATION:For example, a novel chloromethyl derivative expressed by formula III is reacted with an alcoholic derivative expressed by the formula ROH in the presence of a base to afford the aimed compound expressed by formula I.
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