ChemInform Abstract: STRUCTURE AND DYNAMICS OF INTRAMOLECULAR HYDROGEN BONDS IN RADICALS: SUBSTITUENT, STERIC AND SOLVENT EFFECTS

Autor:	Klaus Loth, Federico Graf
Rok vydání:	1982
Předmět:	Steric effects chemistry.chemical_compound Semiquinone chemistry Hydrogen bond Intramolecular force Radical Intermolecular force Substituent General Medicine Solvent effects Photochemistry
Zdroj:	Chemischer Informationsdienst. 13
ISSN:	0009-2975
DOI:	10.1002/chin.198201066
Popis:	The temperature and solvent dependence of the ESR. spectra of a number of semiquinone- and semidione-type radicals have been investigated with the aim of obtaining structural and kinetic information about intramolecular hydrogen bonding. Systematic variation of the chemical structure of the radicals indicates that in many cases formation and/or exchange of intramolecular H-bonds is disturbed or even precluded by steric hindrance or concomitant dynamic processes, such as internal rotation and/or intermolecular proton exchange.
Databáze:	OpenAIRE
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