| 摘要 |
N-(halomethyl) acetamide(I), having formula XCH2CO-NR-CH2X1 used as a herbicide, is prepared from compd. (II) having formula XCH2CO-NR-CH2OR1 by reacting with halogenated hydrogen; where X = H, C1-C6 alkyl or haloalkyl, C3-C7 cycloalkyl, phenyl or benzyl, or phenyl or benzyl gp. substituted with halogen, NO2, CF3, C1-C3 alkyl, or alkoxy; X1 = Cl, Br, or I; R = aromatic 1-alkene-1-yl gp., C5-C7 1- cycloalkene-1-yl, phenyl, 1-cycloalkene-1-yl, alkoxy or alkoxy alkyl, C2-C4 alkenyl or C3-C4 alkenyl oxy, NO2, trifluoromethyl, or halogen; R1 = hydrocarbyl, or gp. substituted with C1-C8 alkoxy or alkoxy alkyl.
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