Studies on the Derivatives of S-[(1,2,4-Triazol-1-yl)-Aryl (or Alkyl) Car bonyl] Methyl Phosphorodithioate

Abstract

Abstract: Twelve new triazol organic phosphorus compounds with the general formular (Ⅰ) have been prepared. The structures of these compounds have been confirmed by elemental analysis, and IR, ¹HNMR and MS analysis.(R=Me,Et,i-Pr; R=Me₃C,C₆H₅,p-MeOCfiH,i,p-ClC₆H_4.)The vibrational frequency of the P=S group occurs in the rang 640-680 cm^-1. The frequencies of P=S group is primarily dependent upon the electronegativity of the substituent groups.It has been proved by ¹HNMR that the substituent groups linked with phosphorus atom spinning are not free because of the steric effect of the substituent groups.The results from the primary biological test show that some of these compounds have the activities of fungicide, herbicide or plant growth regulator.

Key words: Phosphorodithioate, 1,2,4-Triazol, Synthesis, Biological activities

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Shi Yan-nian, Fang Jian-xin, Xu Liang-zhong . Studies on the Derivatives of S-[(1,2,4-Triazol-1-yl)-Aryl (or Alkyl) Car bonyl] Methyl Phosphorodithioate[J]. Chem. J. Chinese Universities, 1991, 12(9): 1190.

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Studies on the Derivatives of S-[(1,2,4-Triazol-1-yl)-Aryl (or Alkyl) Car bonyl] Methyl Phosphorodithioate

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