| 摘要 |
<p>The invention is concerned with new derivatives of 1, 2, 4-triazole having the general formula: (I) wherein: X = O or S; R3 = H, alkyl containing from 1 to 5 carbon atoms, C6H5, benzyl, alkenyl containing from 2 to 6 carbon atoms, or alkynyl containing from 2 to 6 carbon atoms, and R4 = vinyl, halovinyl, polyhalovinyl, vinyl substituted by phenyl, alkyl containing from 1 to 4 carbon atoms, O-alkyl containing from 1 to 4 atoms, S-alkyl containing from 1 to 4 carbon atoms, haloalkyl, acetyl, cyclohexenyl, benzoyl, or a radical of the formula , or in which R1= alkyl containing from 1 to 5 carbon atoms and R5 = OH, , , , , C1 SR1, OR1, N(R1)2 or NHR1. The triazole derivatives of the invention are intermediates useful in the preparation of the corresponding 1,2,4triazol-(5)-yl-¢thio! phosphates having insecticidal properties.</p> |
