An NMR strategy for obtaining multiple conformational constraints for 15N–13C spin-pair labelled organic solids

Literature Information

Publication Date 2006-10-10
DOI 10.1039/B610014G
Impact Factor 3.676
Authors

Jillian Madine, David A. Middleton


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Abstract

This work demonstrates a solid-state NMR strategy for extracting multiple interatomic distance and angle constraints from moderately complex solid organic compounds containing a single 13C label and a single 15N label. It is shown that the constraints obtained for the compound cimetidine, with the labels placed at positions directed by the standard synthetic route, are sufficient to provide reliable estimates of 5 of the 8 torsional degrees of freedom in the molecule and are consistent with a molecular conformation close to that determined by crystallography. This strategy will be useful for determining the conformations of sparsely-labelled small molecules in motionally restrained environments, such as within the binding sites of membrane-embedded receptors.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
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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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