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 …

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 …

The free energy difference between the two chair conformations of trans-1, 2-dichloro-and-1,
2-dibromo-cyclohexane (II) and trans-1, 4-dichloro-and-1, 4-dibromo-cyclohexane (III) has …

An nmr study of the coupling constants of protons located at the two asymmetric centers in
two systems is re-ported. In the 1, 2-diphenyl-l-propyl system, increasing the size of the …

The nmr spectra of cis-(I) and trans-(II)-1, 3-dichloropropene and cis-and trans-1-
chloropropene have been analysed in a number of solvents. The solvent-dependence of the …

2-(Diethylamino) propane (DEAP) and 2-(dibenzylamino) propane (DBAP) possess similar
molecular symmetries. Interconversion among the stable equilibrium conformations occurs …

An nmr study of barriers to rotation and conformational equilibria in 2-halogeno-2, 3, 3-
trimethylbutanes and 2-halogeno-2, 3-dimethylbutanes is reported. Results are discussed in …

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 …

The two title compounds have been studied by and 13C {1Hj NMR spectroscopy and by
empirical force field calculations using Allinger's 1971, Allinger's MM2, and Bartell's MUB-2 …

Barriers to internal rotation about the C (2)-C (3) bonds have been determined for ten closely
related halogenated methylbutanes by detailed line-shape analysis of theirnuclear magnetic …