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Reassignment of the structures of condensation products of α-keto α′-formylarylhydrazones with ethyl cyanoacetate: a novel route to ethyl 5-arylazo-2-hydroxynicotinates |
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| Authors: | Saleh M Al-Mousawi Moustafa Sherief Moustafa Ismail Abdelshafy Abdelhamid Mohamed Hilmy Elnagdi |
| Institution: | a Department of Chemistry, Faculty of Science, University of Kuwait, PO Box 12613, Safat 13060, Kuwait b Institut für Organische Chemie der Universität Hannover, Schneiderberg 1B, 30167 Hannover, Germany c Chemistry Department, Faculty of Science, Cairo University Giza, Egypt |
| Abstract: | The condensation of α-keto α′-formylarylhydrazones with ethyl cyanoacetate afforded ethyl 5-arylazo-2-hydroxy-6-aryl (or alkyl) nicotinates. The structures of the reaction products could be established based on X-ray crystal structure determination. |
| Keywords: | Arylhydrazonals Condensation Ethyl cyanoacetate Ethyl 5-arylazo-2-hydroxynicotinate |
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