Stereodynamics of acyclic alcohols, ethers, and N, N-dimethylurethanes. Potential barriers to rotation about carbon-carbon and carbon-nitrogen bonds

S Hoogasian, CH Bushweller… - The Journal of …, 1976 - ACS Publications
Stereodynamics of acyclic alcohols, ethers, and N,N-dimethylurethanes. Potential barriers to
rotation about carbon-carbon and ca Page 1 Potential Barrier to Rotation about CC and CN …

Stereodynamics of 2-alkoxy-3-halobutanes and 2-acetoxy-3-halobutanes. Experimental DNMR studies and theoretical investigations of carbon-carbon single bond …

CY Wang, CH Bushweller - Journal of the American Chemical …, 1977 - ACS Publications
Examination of the DNMR spectra of a series of 2-alkoxy-3-halo-2, 3-dimethylbutanes, 2-
acetoxy-3-halo-2, 3-dimethylbutanes, and 2, 2-dialkoxy-3, 3-dihalobutanes shows changes …

Rotational equilibria in 2-aryl-n-propanols, 2-aryl-n-propyl methyl ethers and 2-aryl-n-propyl acetates. Trends consistent with a CH---O hydrogen bond

MJ Cook, TA Khan, K Nasri - Tetrahedron letters, 1984 - Elsevier
Tetrahedron Letters,Vo1.25,No.45,pp 5129-5132,1984 0040-4039/84 $3.00 + .OO Printed in
Great Britain 01984 Perqamon Press Ltd. l Page 1 Tetrahedron Letters,Vo1.25,No.45,pp …

Stereochemistry in substituted cyclopentanes: An approach to the analysis by proton NMR

MG Constantino, GVJ da Silva - Tetrahedron, 1998 - Elsevier
A rationalization is suggested which can help organic chemists in realizing analyses of the
relative stereochemistry of substituted cyclopentanes by proton NMR, through the coupling …

Rotational isomerism: II. A calculation of the solvent dependence of the conformational equilibria in substituted ethanes and its application to NMR spectra

RJ Abraham, L Cavalli, KGR Pachler - Molecular Physics, 1966 - Taylor & Francis
A calculation of the energies of the dipolar and quadrupolar electric fields of a 1, 2-
disubstituted ethane and their dependence on the dielectric constant of the medium gave …

Conformational Studies by Dynamic NMR. 62.1 Stereomutations of Rotamers and of Conformational Enantiomers in 1,2-Diacylbenzenes

D Casarini, L Lunazzi, A Mazzanti - The Journal of Organic …, 1997 - ACS Publications
A number of 1, 2-diacylbenzenes have been investigated by dynamic NMR spectroscopy.
The 1, 2-formyl derivative 1 was found to exist (at− 162° C) in the nearly coplanar ZE and EE …

Barriers to internal rotation in 1, 3, 5-trineopentylbenzenes. VII. Evidence for attractive steric effects

RE Carter, B Nilsson, K Olsson - Journal of the American …, 1975 - ACS Publications
and l3C NMR spectra of symmetrically trisubstituted 1, 3, 5-trineopentylbenzenes may be
consistently inter-preted in terms of the predominance of a rotamer with all three …

Conformational studies by dynamic NMR. 7. Stereochemical processes in 2, 3-dimethylbutane

L Lunazzi, D Macciantelli, F Bernardi… - Journal of the American …, 1977 - ACS Publications
The 90.5-MHz 13C NMR spectrum of 2, 3-dimethylbutane at-180 C shows that thegauche
and antirotational iso-mers are present in the statisticalratio of 2: 1. Line shape analysis of …

Stereodynamics of 2-(Diethylamino) propane and 2-(Dibenzylamino) propane. 1H and 13C {1H} DNMR Studies. Molecular Mechanics Calculations

JH Brown, CH Bushweller - Journal of the American Chemical …, 1995 - ACS Publications
2-(Diethylamino) propane (DEAP) and 2-(dibenzylamino) propane (DBAP) possess similar
molecular symmetries. Interconversion among the stable equilibrium conformations occurs …

Torsional angles in vinylarenes determined by high-field NMR spectroscopy

KL Facchine, SW Staley, PCM Van Zijl… - Journal of the …, 1988 - ACS Publications
High-resolution deuterium NMR spectra of styrene-ad, styrene-dg, 1-vinylnaphthalene-ad,
and 2-vinylnaphthalene-ad in hydrocarbon solvents were recorded at field strengths of …