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Liu Ying, Zhao Guofeng, Li Yuchang, Jin Guiyu (Institute of Elemento Organic Chemistry, State Key Laboratory of Elemento Organic Chemisty, Nankai University, Tianjin, 300071)  
Phenyl (methyl) 3 methyl 5 (4,6 dimethyl 2 thio) pyrimidinyl 4 pyrazolyl formaldehy des were oxidized with phase transfer catalysis method to the corresponding acids. From the reaction of the acids with various alkyl halides 1 phenyl (methyl) 3 methyl 5 (4,6 dimethyl 2 thio) phyrimidinyl 4 pyrazolylate were prepared. The structures of sixteen new compounds were confirmed by 1H NMR,IR,MS and elemental analysis. The results of preliminary bioassay indicated that some of the compounds showed fungicidal activities against Puccinia Triticina Eriks and herbicidal activities.
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