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Anwendung der NMR-Spektroskopie chiraler Assoziate 6: rotation about the C(sp²)—C(aryl) bond in 2,6-disubstituted pivalophenones

Holík, M. and Mannschreck, Albrecht (1979) Anwendung der NMR-Spektroskopie chiraler Assoziate 6: rotation about the C(sp²)—C(aryl) bond in 2,6-disubstituted pivalophenones. Organic Magnetic Resonance 12 (1), pp. 28-33.

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Abstract

For the investigation of the barrier to rotation about the C(sp2)—C(aryl) bond in non-planar pivalophenones five derivatives were prepared and their 1H and 13C NMR spectra assigned. Methyl and bromine groups in the 3-position have opposite substituent effects on the chemical shifts of the 1H and 13C signals of Me2 and Me4. The ΔGmath image values were determined from the coalescence temperatures ...

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Item Type:Article
Date:1979
Additional information (public):späterer Zeitschr.titel: Magnetic resonance in chemistry
Institutions:Chemistry and Pharmacy > Institut für Organische Chemie > Retired Professors > Prof.Dr. Mannschreck
Identification Number:
ValueType
10.1002/mrc.1270120107DOI
Subjects:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Owner: Gertraud Kellers
Deposited On:29 Nov 2010 12:34
Last Modified:29 Nov 2010 12:34
Item ID:18460
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