Synthesis and Herbicidal Activity of 1-(p-Toluene sulfonyl)-2-phenoxy-3-aryl-1,4,2-diazaphos pholidin-5-thione-2-oxides

Chem. J. Chinese Universities ›› 1996, Vol. 17 ›› Issue (12): 1865.

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Synthesis and Herbicidal Activity of 1-(p-Toluene sulfonyl)-2-phenoxy-3-aryl-1,4,2-diazaphos pholidin-5-thione-2-oxides

CHEN Ru-Yu, HE Liang-Nian, YANG Xiu-Feng

Institute of Elemento-Organic Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, 300071

Received:1995-12-09 Online:1996-12-24 Published:1996-12-24

Abstract

Abstract: Phenyl-3-(p-toluenesulfonyl) thiourea was reacted with triphenylphosphite and substituted benzaldehydes to give 1-(p-toluenesulfonyl)-2-oxo-2-phenoxy-3-aryl-1,4,2-di-azaphospholidin-5-thiones in anhydrous toluene. The by-reactions of the preparation process were discussed. The structures of new compounds were confirmed by elementary analysis,¹H NMR, ³¹P NMR, MSand IRspectra. The results of preliminary bioassay show that they possess a herbicidal activity at 1.5kg/ha in post-emergent tests against six kinds of plants including Barnyard-grass, Oat, Rape, and Alfalfa,etc.

Key words: 1,4,2-Diazaphospholidin-5-thione, Synthesis, Herbicidal activity

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CHEN Ru-Yu, HE Liang-Nian, YANG Xiu-Feng. Synthesis and Herbicidal Activity of 1-(p-Toluene sulfonyl)-2-phenoxy-3-aryl-1,4,2-diazaphos pholidin-5-thione-2-oxides[J]. Chem. J. Chinese Universities, 1996, 17(12): 1865.

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Synthesis and Herbicidal Activity of 1-(p-Toluene sulfonyl)-2-phenoxy-3-aryl-1,4,2-diazaphos pholidin-5-thione-2-oxides

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