Rate constants and activation parameters for ring–chain tautomerism in 5-, 6- and 7-ring-1,3-dinitrogen heterocycles
Autor: | Marios Z. Moustras, John P. B. Sandall, Gordon Read, Roy B. Moodie |
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Rok vydání: | 1997 |
Předmět: | |
Zdroj: | Journal of the Chemical Society, Perkin Transactions 2. :169-172 |
ISSN: | 1364-5471 0300-9580 |
Popis: | Free energies, enthalpies and entropies of activation have been measured for the ring–chain tautomeric equilibria existing in imidazolidine, hexahydro-pyrimidine and -diazepine ring systems under acid- catalysed conditions in a solvent consisting of 4∶1 DMSO–D2O using computer analysis of NMR signal bandshape. |
Databáze: | OpenAIRE |
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