77 Se n.m.r. spectra of twenty-six organoselenium compounds, including some with an endo cyclic selenium atom, have been recorded. Our measurements complete the scale of chemical shifts previously established by McFarlane. It seems difficult to define a range of chemical shifts which is ...
M. R. results with those of Saunders and Hyne. The benzenic solutions of primary and secondary butanol are quite less associated than the solutions in CCl4. This dissociating effect of benzene can be also related to the variation of the vicinal CH2 shift (or vicinal CH) with dilution, the...
The broad resonance signal observed at low temperature (7 K) withg = 3.5 appears as characteristic of the trivalent state in UZrF7(powder), U(C5H5)3•tétrahydrofuran, and U(C5H5)3•CH3−(frozen solutions).E. J. SouliéG. FolcherH. Marquet-Elliscanadian journal of chemistry...
Basic quantities for symmetry adaptation are discussed in connection with molecular and solid state physics. This gives rise to a formalism whose central elements are operator equivalents adapted to a point group. Such symmetry adapted operator equivalents are defined in terms of Schwinger operators so...
– Introduction of a methyl group in position 4 (angular position) has a deshielding effect on the proton located on carbon 5 (opposite angular position). – The main results are summarized in table I and figure 1.Martin, R. H.Université Libre de Bruxelles, Service de Chimie Organique, ...
doi:10.1002/mrc.1270120412Dorie, JeanMechin, BernardMartin, GérardJohn Wiley & Sons LimitedOrganic Magnetic ResonanceDorie J, Mechin B, Martin G (1979) Org Magn Reson 12:229
Bacquet, GLaboratoire de Physique des Solides, Associé au C.N.R.S., ToulouseDugas, JLaboratoire de Physique des Solides, Associé au C.N.R.S., ToulouseEscribe, CLaboratoire de Physique des Solides, Associé au C.N.R.S., ToulouseWILEY‐VCH VerlagPhysica Status Solidi...
Furthermore the proposed structure accounts for the perfect cleavage parallel to (010).van Tiggelen, P. J.Université de Louvain Laboratoire de Chimie Inorganique et Analitique 98, rue de Namur, LouvainJohn Wiley & Sons, Ltd.Bulletin des Sociétés Chimiques Belges...
doi:10.1002/anie.196702774DreeskampHüthig & Wepf VerlagAngewandte Chemie International Edition in English
The N. M. R. spectra of mixtures of n-butylamine and n-butylalcohol and of their solutions in benzene show a common peak for the protons of both the NH 2 -group and the OH-group. This is due to a fast exchange between these protons which arises through the medium of the complex ...