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 …

NMR spectroscopy of cyclopentane derivatives: II. Mono-and 1, 1-disubstitutedcyclopentanes

RL Lipnick - Journal of Molecular Structure, 1974 - Elsevier
Acomplete iterative nmr spectral analysis has been accomplished for nine specifically-
deuterated mono-and 1, 1-disubstituted cyclopentane derivatives at 17° C, and for three of …

Proton Magnetic Resonance Spectra, Stereochemistry, and Synthesis of 2-Arylnitrocyclohexanes and 2-Arylcyclohexylamines1

WF Trager, FF Vincenzi, AC Huitric - The Journal of Organic …, 1962 - ACS Publications
The stereochemistry of the six isomeric cis-and trans-2-{chlorophenyl) nitrocyclohexanes;
the four isomeric ortho-and para-cis-and írans-2-tolylnitrocyciohexanes; the six isomeric cis …

NMR spectroscopy of cyclopentane derivatives. III. Methylcyclopentane

RL Lipnick - Journal of the American Chemical Society, 1974 - ACS Publications
A complete iterative nmr spectra analysis has been accomplished for two specifically
deuterated methyl-cyclopentane derivatives, 7 and 11, at three temperatures over a range of …

The use of mid-points or average NMR chemical shifts in stereochemical assignments

DA Ben-Efraim, BS Green - Tetrahedron, 1974 - Elsevier
A comparison of the mid-points or average chemical shifts of mirror-symmetrical spin
patterns in the NMR spectra of structural isomers can be used in a straightforward manner to …

Proton Magnetic Resonance Spectra, Stereochemistry, and Synthesis of 2-(Chlorophenyl)cyclohexanols1

AC HUITRIC, WG CLARKE Jr, K LEIGH… - The Journal of Organic …, 1962 - ACS Publications
The six isomeric cis-and trans-2-(chlorophenyl) cyclohexanols with the chlorine in ortho,
methu, and para positions have been synthesized and their stereochemistry investigated by …

Conformations. II. Proton Magnetic Resonance Determination of C-6 Substituent Conformations in 6-Substituted 1-Phenylcyclohexenes

EW Garbisch Jr - The Journal of Organic Chemistry, 1962 - ACS Publications
Preferred conformations for C-6 substituents in a number of 6-substituted l-phenyl (and
methyI) cyclohexenes havebeen determined from the widths at half height of the C-6 proton …

The configurations and conformations of 2-carboxycyclopentanols and the corresponding methyl and ethyl esters

H Baumann, NC Franklin, H Möhrle - Tetrahedron, 1967 - Elsevier
The NMR spectra cis-and trans-2-carboxycyclopentanol and the corresponding methyl and
ethyl esters have been measured, and from the chemical shift of the proton adjacent to the …

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 …

1-Hetera-4-cyclohexanone system. Proton and carbon-13 magnetic resonance, transannular effects, and conformational analysis

JA Hirsch, E Havinga - The Journal of Organic Chemistry, 1976 - ACS Publications
Proton (XH NMR) and carbon-13 (13C NMR) magnetic resonance have been applied to a
series of l-hetera-4-cyclohexanones in order to acquire information about ring …