Spectroscopic studies on  N , N ‐dimethylamides—I: Structure‐reactivity correlation for rotational barriers from a nuclear magnetic resonance study of  p ‐ and  m ‐substituted  N , N ‐dimethylbenzamides | Zendy

Korver P. K. | Zendy; Spaargaren K. | Zendy; van der Haak P. J. | Zendy; de Boer Th. J. | Zendy

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Spectroscopic studies on N , N ‐dimethylamides—I: Structure‐reactivity correlation for rotational barriers from a nuclear magnetic resonance study of p ‐ and m ‐substituted N , N ‐dimethylbenzamides

Author(s) -

Korver P. K.,

Spaargaren K.,

van der Haak P. J.,

de Boer Th. J.

Publication year - 1970

Publication title -

organic magnetic resonance

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0030-4921

DOI - 10.1002/mrc.1270020309

Subject(s) - substituent , reactivity (psychology) , chemistry , amide , resonance (particle physics) , nuclear magnetic resonance , ring (chemistry) , crystallography , solvent , rotational correlation time , stereochemistry , molecule , atomic physics , organic chemistry , physics , medicine , alternative medicine , pathology

Rotational barriers in 21 p ‐ and m ‐substituted N , N ‐dimethylbenzamides in CDCl 3 as solvent have been determined using the intensity ratio method of Woodbrey. These data compare very well with values from the literature 1 obtained with a total line shape analysis. From structure‐reactivity correlations evidence has been obtained for a relatively strong resonance interaction between the substituent in the aromatic ring and the partially double amide bond.

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