The effect of a chiral nematic solvent on the orientational order and conformational distribution of a flexible prochiral solute

Literature Information

Publication Date 2004-10-18
DOI 10.1039/B411203B
Impact Factor 3.676
Authors

J. W. Emsley, Philippe Lesot, Jacques Courtieu, Denis Merlet


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Abstract

Deuterium NMR spectroscopy is used to detect the reduction in symmetry which occurs when a flexible, prochiral molecule, 4-pentyl-4′-cyanobiphenyl, is dissolved in a chiral nematic solvent produced by dissolving poly-γ-benzyl-L-glutamate in organic solvents. The quadrupolar splittings obtained are used to investigate whether this phenomenon is the result of a reduction in symmetry of the anisotropic, solute–solvent interaction potential or whether the conformational distribution is also affected. It is demonstrated that the first assumption explains the enantiotopic discrimination in chiral liquid crystals and it is possible in this chiral medium to determine the relative configuration of the deuteriums in the methylene groups.

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Contents list

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DOI: 10.1039/D4BM90002B

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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