Citation:
YANG Qingcui, SUN Xiaohong, LIU Yuanfa, CHEN Bang, SHEN Shengqiang. Synthesis and Antifungal Activity of Schiff Bases of 5-Ethoxycarbonylmethylsulfanyl-1,2,4-triazole[J]. Chinese Journal of Applied Chemistry,
;2014, 31(7): 788-792.
doi:
10.3724/SP.J.1095.2014.30488
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Nine Shiff bases 3-methyl-4-(X-substituted-benzylideneamino)-5-ethoxycarbonyl methylsulfanyl-1,2,4-triazole a~i were synthesized from 3-methyl-4-amino-5-ethoxycarbonylmethyl sulfanyl-1,2,4-triazole and substituted aromatic aldehydes.The structures of synthetic compounds were confirmed by 1H NMR,IR,MS analyses.The crystal structure of 3-methyl-4-(4-hydroxybenzylideneamino)-5-ethoxycarbonylmethylsulfanyl-1,2,4-triazole h(CCDC:910927) was determined by X-ray diffraction as:C14H16N4O3S,Mr=320.37,Orthorhombic,P2(1)2(1)2(1)/n,a=0.9220(10) nm,b=1.5823(17) nm,c=2.1667(2) nm,V=3.161(6) nm3,Z=8,F(000)=1344.The antifungal activities of the new Schiff bases against four vegetable pathogens have been tested.The EC95 values of compounds d,e and f against Gibberlla saubinetii and Fusarium oxysporium f.s.px.niveum indicate that their antifungal activities are better than that of triadimefon.
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