Synthesis of 2-arylmethylidene-5-oxo-1,4-diphenyl-2,5-dihydro-1H-pyrazol-2-ium-3-olates |
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| Authors: | H. Sheibani J. Lari M. R. Islami K. Saidi |
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| Affiliation: | (1) Department of Chemistry, Shahid Bahonar University of Kerman, Kerman, 76169, Iran;(2) Department of Chemistry, Payam-e Noor University, Mashhad, Iran |
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| Abstract: | Condensation of several arylhydrazones with chlorocarbonyl phenyl ketene gave 2-(arylmethylidene)-5-oxo-1,4-diphenyl-2,5-dihydro-1H-pyrazol-2-ium-3-olates in high yields. |
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| Keywords: | chlorocarbonyl phenyl ketene hydrazones cross-conjugated heterocyclic mesomeric betaines pyrazole derivatives |
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