Reaction of 3,5-Carbonyl-substituted 1,4-Dihydropyridines with Hydrazine Hydrate |
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| Authors: | E. Bisenieks J. Uldrikis G. Duburs |
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| Affiliation: | (1) Latvian Institute of Organic Synthesis, Riga LV, 1006, USA |
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| Abstract: | The interaction of 3,5-carbonyl-substituted derivatives of 1,4-dihydropyridine and some analogs of it with hydrazine hydrate occurs with fission of the heterocycle. In the case of alkoxycarbonyl-substituted compounds a reverse Michael reaction predominates leading to fragmentation of the molecules. |
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| Keywords: | 3-acyl- and 3-alkoxycarbonyl-5-oxo-1,4-dihydroindeno[1,2-b]pyridines 3,5-acyl- and 3,5-alkoxycarbonyl-1,4-dihydropyridines pyrazole derivatives fission of heterocycle with hydrazine |
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