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2017, Volume 11, Issue 3

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Frontiers of Chemical Science and Engineering >> 2017, Volume 11, Issue 3 doi: 10.1007/s11705-016-1595-x

Synthesis and

. College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China.. Zhejiang Base of National Southern Pesticide Research Centre, Zhejiang Research Institute of Chemical Industry, Hangzhou 310023, China

Accepted: 2016-12-15 Available online: 2017-08-23
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Abstract

Pyrazole carboxamide derivatives represent an important class of fungicides in agrochemicals. To find more novel structural pyrazole carboxamides, a novel series of 3-(trifluoromethyl)-1 -pyrazole-4-carboxamide compounds were prepared from ethyl 4,4,4-trifluoroacetoacetate and triethyl orthoformate as starting materials. All the products were characterized by Fourier transform infrared spectroscopy, H nuclear magnetic resonance (NMR), C NMR, F NMR and mass spectrography. The bioassay results showed these fluorine-containing pyrazole carboxamides have a weak fungicidal activity but some of them exhibit a good nematocidal activity against .

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