| Literature DB >> 16876469 |
S N Podyachev1, I A Litvinov, R R Shagidullin, B I Buzykin, I Bauer, D V Osyanina, L V Avvakumova, S N Sudakova, W D Habicher, A I Konovalov.
Abstract
By reaction of 4-tert-butylphenoxyacetylhydrazide with aromatic aldehydes and acetone a new series of 4-tert-butylphenoxyacetylhydrazones was synthesized. The structural peculiarities of the investigated molecules have been determined by means of X-ray analysis and IR spectroscopy. The diagnostically important IR spectral criteria required for the conformational analysis of acethylhydrazones have been considered. It was established that the 4-tert-butylphenoxyacetylhydrazide in condensed phase exists only as a ZN-C(O)-conformer. Its derivatives exist as EN-C(O) and ZN-C(O)-forms. As a rule, the prevalence of ZN-C(O)-form has been observed in CCl4 solutions. The structure of investigated compounds is also determined by a system of inter- and intramolecular hydrogen bonds. The energy of hydrogen bonds was estimated.Entities:
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Year: 2006 PMID： 16876469 DOI： 10.1016/j.saa.2006.02.049
Source DB: PubMed Journal: Spectrochim Acta A Mol Biomol Spectrosc ISSN： 1386-1425 Impact factor: 4.098