Chem. J. Chinese Universities ›› 1996, Vol. 17 ›› Issue (8): 1240.
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LU Rong-Jian, LIU Hua-Yin, YANG Guang-Fu, YANG Hua-Zheng
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Abstract: The Mannich-type cyclizative reaction of 5-amino-3-benzylthio-4-cyano (ethyloxycarbonyl) pyrazole with phenyl phosphonyl dichloride and the aromatic aldehyde in the presence of cation exchange resin D72 was reported.Nine 2-benzylthio-3-cyano (ethyloxycarbonyl)-5-aryl-6-phenyl-6-oxo-6-phospha-4,5,6-trihydroimidazolo[2,3e]pyrazoles were synthesized and identified as trans-configuration by means of1H NMR,31PNMR, The mechanism of the reaction was described.The preliminary biological tests show that some compounds have herbicidal activity.
Key words: Fused phosphorus heterocyclic compound, ALS enzyrne inhibitor, Mannich-type reactoin
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LU Rong-Jian, LIU Hua-Yin, YANG Guang-Fu, YANG Hua-Zheng. Synthesis and Bioactivity of Fused Phosphorus Heterocyclic Compounds(Ⅳ)[J]. Chem. J. Chinese Universities, 1996, 17(8): 1240.
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http://www.cjcu.jlu.edu.cn/EN/Y1996/V17/I8/1240
