Citation:
LIU Xin-Hua, WANG Shi-Fan, SONG Bao-An, BAI Lin-Shan. Synthesis and Bactericidal Activities of Novel Pyrazole-1-carbothioamide Derivatives[J]. Chinese Journal of Applied Chemistry,
;2006, 23(12): 1355-1358.
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4-(2-Hydroxy-phenyl)-but-3-en-2-one was prepared via condensation of salicylaldehyde with acetone,and then cyclization of the α,β-unsaturated ketones with thiosemicarbzide.Seven new 5-(2-hydroxyphenyl)-3-methyl-4,5-dihydropyrazole-1-carbothioamide derivatives were synthesized and characterized by means of elemental analysis,IR and 1H NMR.The compounds 3c,3d,3g showed certain bactericidal activity against E. coli;compound 3g show certain bactericidal activity against P.vulgaris.
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Keywords:
- pyrazole,
- carbothioamide,
- bioactivity
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