Chromone studies. Part 3. NMR analysis of rotational isomerism in 4-oxo-4H-chromene-2-carboxamides

Autor:	Deborah N. Davidson, Perry T. Kaye
Rok vydání:	1991
Předmět:	chemistry.chemical_classification Ketone medicine.drug_class Stereochemistry Carbon-13 NMR satellite Carboxamide Nuclear magnetic resonance spectroscopy Carbon-13 NMR chemistry.chemical_compound chemistry Amide Chromone medicine Proton NMR
Zdroj:	Journal of the Chemical Society, Perkin Transactions 2. :927
ISSN:	1364-5471 0300-9580
DOI:	10.1039/p29910000927
Popis:	Temperature dependent splitting of N-alkyl 1H and 13C NMR signals in a series of 4-oxo-4H-chromene-2-carboxamides has been analysed in terms of rotation of the amide group. Rotational barriers have been calculated from dynamic 1H NMR data and the conformational options have been explored.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::61c6df852abb21d62e3b1688a6e7726c https://doi.org/10.1039/p29910000927 Zobrazit plný text záznamu