| 摘要 |
NEW MATERIAL:A dioxolanylmethyltriazole shown by the formula I(X is H or Cl; R<1> is straight chain, branched chain alkyl, alkenyl or alkynyl; R<2> is H, straight-chain or branched chain alkyl). EXAMPLE:1-[2-(2,4-Dichlorophenyl)-1,3-dioxolan-2-ylallymethyl]-1H-1,2, 4-triazole. USE:Useful as an agricultural and horticultural fungicide, plant growth regulator and herbicide. Useful as a fungicide against plant blight such as blast of rice plant, gray mold by various crops, being applied to useful plants to regulate their growth such as growth regulation for rice plant, wheat, etc., extension regulation for soybean, cotton, etc. Showing herbicidal action on gramineous weeds in plowed fields such as barnyard millet, etc., broad-leaved weeds such as Stellaria neglecta Weihe, etc., weeds in paddy fields, etc. PREPARATION:As shown in the reaction formula, an acetophenone is reacted with a halohydrin in the presence of a basic substance to give a compound shown by the formula I. |
