SYNTHESIS AND ANTI-MICROBIAL ACTIVITIES OF 1,3,5-TRISUBSTITUTED-PYRAZOLE DERIVATIVES CONTAINING A PYRIDYL MOIETY
Claisen condensation of ethyl isonicotinate with different acetophenones gave the corresponding pyridyl-ß-diketones, while the treatment with hydrazine hydrate yielded 3,5-disubstituted-1H-pyrazoles, which then converted 1,3,5-trisubstituted-pyrazole derivatives containing a pyridyl moiety by N-acyl...
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Sociedad Chilena de Química
2015
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oai:scielo:S0717-970720150001000182015-04-21SYNTHESIS AND ANTI-MICROBIAL ACTIVITIES OF 1,3,5-TRISUBSTITUTED-PYRAZOLE DERIVATIVES CONTAINING A PYRIDYL MOIETYWANG,DUN-JIALIU,HUAKANG,YAN-FANGHU,YAN-JUNWEI,XIAN-HONG 1,3,5-Trisubstituted-pyrazole ß-Diketone Synthesis, Anti-microbial activity Claisen condensation of ethyl isonicotinate with different acetophenones gave the corresponding pyridyl-ß-diketones, while the treatment with hydrazine hydrate yielded 3,5-disubstituted-1H-pyrazoles, which then converted 1,3,5-trisubstituted-pyrazole derivatives containing a pyridyl moiety by N-acylation with acyl chloride. The structures of all newly synthesized compounds are established by FTIR, ¹H NMR, mass spectroscopy and elemental analysis, and in the case of compound 2e, analyzed by single-crystal X-ray diffraction further. The anti-microbial activities of the title compounds have been tested by disc diffusion method against Escherichia coli, Staphylococcus aureus, Pyricularia oryzae and Rhizoctnia solani. The results showed that compounds 3c and 4c exhibited good inhibitory activity against all the tested organisms.info:eu-repo/semantics/openAccessSociedad Chilena de QuímicaJournal of the Chilean Chemical Society v.60 n.1 20152015-03-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072015000100018en10.4067/S0717-97072015000100018 |
institution |
Scielo Chile |
collection |
Scielo Chile |
language |
English |
topic |
1,3,5-Trisubstituted-pyrazole ß-Diketone Synthesis, Anti-microbial activity |
spellingShingle |
1,3,5-Trisubstituted-pyrazole ß-Diketone Synthesis, Anti-microbial activity WANG,DUN-JIA LIU,HUA KANG,YAN-FANG HU,YAN-JUN WEI,XIAN-HONG SYNTHESIS AND ANTI-MICROBIAL ACTIVITIES OF 1,3,5-TRISUBSTITUTED-PYRAZOLE DERIVATIVES CONTAINING A PYRIDYL MOIETY |
description |
Claisen condensation of ethyl isonicotinate with different acetophenones gave the corresponding pyridyl-ß-diketones, while the treatment with hydrazine hydrate yielded 3,5-disubstituted-1H-pyrazoles, which then converted 1,3,5-trisubstituted-pyrazole derivatives containing a pyridyl moiety by N-acylation with acyl chloride. The structures of all newly synthesized compounds are established by FTIR, ¹H NMR, mass spectroscopy and elemental analysis, and in the case of compound 2e, analyzed by single-crystal X-ray diffraction further. The anti-microbial activities of the title compounds have been tested by disc diffusion method against Escherichia coli, Staphylococcus aureus, Pyricularia oryzae and Rhizoctnia solani. The results showed that compounds 3c and 4c exhibited good inhibitory activity against all the tested organisms. |
author |
WANG,DUN-JIA LIU,HUA KANG,YAN-FANG HU,YAN-JUN WEI,XIAN-HONG |
author_facet |
WANG,DUN-JIA LIU,HUA KANG,YAN-FANG HU,YAN-JUN WEI,XIAN-HONG |
author_sort |
WANG,DUN-JIA |
title |
SYNTHESIS AND ANTI-MICROBIAL ACTIVITIES OF 1,3,5-TRISUBSTITUTED-PYRAZOLE DERIVATIVES CONTAINING A PYRIDYL MOIETY |
title_short |
SYNTHESIS AND ANTI-MICROBIAL ACTIVITIES OF 1,3,5-TRISUBSTITUTED-PYRAZOLE DERIVATIVES CONTAINING A PYRIDYL MOIETY |
title_full |
SYNTHESIS AND ANTI-MICROBIAL ACTIVITIES OF 1,3,5-TRISUBSTITUTED-PYRAZOLE DERIVATIVES CONTAINING A PYRIDYL MOIETY |
title_fullStr |
SYNTHESIS AND ANTI-MICROBIAL ACTIVITIES OF 1,3,5-TRISUBSTITUTED-PYRAZOLE DERIVATIVES CONTAINING A PYRIDYL MOIETY |
title_full_unstemmed |
SYNTHESIS AND ANTI-MICROBIAL ACTIVITIES OF 1,3,5-TRISUBSTITUTED-PYRAZOLE DERIVATIVES CONTAINING A PYRIDYL MOIETY |
title_sort |
synthesis and anti-microbial activities of 1,3,5-trisubstituted-pyrazole derivatives containing a pyridyl moiety |
publisher |
Sociedad Chilena de Química |
publishDate |
2015 |
url |
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072015000100018 |
work_keys_str_mv |
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