Effective synthesis of 5-aryl-3-ethylidene-3H-pyrrol-2-ones |
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| Authors: | A. Yu. Yegorova I. E. Kamneva L. S. Shtykova |
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| Affiliation: | (1) N. G. Chernyshevsky Saratov State University, 83 ul. Astrakhanskaya, 410012 Saratov, Russian Federation;(2) Department of Materials and Surface Chemistry, Chalmers University of Technology, 412 96 Gothenburg, Sweden |
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| Abstract: | Substituted 5-aryl-3-ethylidene-3H-pyrrol-2-ones were synthesized by the reaction of the corresponding 4-aryl-4-oxobutanoic acids with ketones in the presence of aminating agents. The conditions of this reaction were developed with the use of both the conventional condensation technique and microwave activation. The structures of the reaction products were con-firmed by elemental analysis, IR spectroscopy, and 1H NMR spectroscopy. Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 4, pp. 693–696, April, 2006. |
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| Keywords: | 4-aryl-4-oxoalkanoic acids 5-aryl-3-ethylidene-3H-pyrrol-2-ones, ketones tautomers microwave activation |
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