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dc.contributor.authorKulandasamy, R.
dc.contributor.authorAdhikari, A.V.
dc.contributor.authorStables, J.P.
dc.date.accessioned2020-03-31T06:51:14Z-
dc.date.available2020-03-31T06:51:14Z-
dc.date.issued2009
dc.identifier.citationEuropean Journal of Medicinal Chemistry, 2009, Vol.44, 11, pp.4376-4384en_US
dc.identifier.uri10.1016/j.ejmech.2009.05.026
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/9634-
dc.description.abstractThirty nine new 3,4-di(substituted)oxy-N2,N5-bis(substituted)thiophene-2,5-dicarbohydrazides were synthesized starting from ethyl thiodiglycolate through multi-step reactions. In the synthetic sequence, 3,4-dihydroxythiophene-2,5-diester (1) was obtained by condensing the ethyl thiodiglycolate with diethyl oxalate. It was derivatized using different alkyl halides to give disubstituted thiophene esters (2-5), which were then converted to corresponding hydrazides (6-9) following usual methods. Finally, these hydrazides, on treatment with various substituted carbonyl compounds underwent smooth condensation to yield target hydrazones (10-13). The new compounds were characterized using FT-IR, 1H NMR and 13C NMR, mass spectral and elemental analyses. The anticonvulsant activity of the title compounds was established after intraperitoneal (ip) administration in three seizure models, which include maximal electroshock (MES), subcutaneous pentylenetetrazole (scPTZ) and 6 Hz screens and their neurotoxicity was also evaluated. Compound 11f has emerged as an active compound with no neurotoxicity in this series. Also, the structure-activity relationship of the tested compounds was discussed. 2009 Elsevier Masson SAS. All rights reserved.en_US
dc.titleA new class of anticonvulsants possessing 6 Hz activity: 3,4-Dialkyloxy thiophene bishydrazonesen_US
dc.typeArticleen_US
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