Polyacetylenes as Enantiodifferentiating Alignment Media

Polyacetylenes as Enantiodifferentiating Alignment Media

Orientation help: Valine‐derived polyacetylenes are introduced as enantiomer‐differentiating alignment media. The F2‐coupled HSQC‐type NMR spectra of both enantiomers of isopinocampheol (IPC) display narrow line widths allowing for the precise extraction of residual dipolar couplings (black contour...

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Veröffentlicht in:Angewandte Chemie International Edition 2012-08, Vol.51 (33), p.8334-8338
Hauptverfasser: Meyer, Nils-Christopher, Krupp, Alexis, Schmidts, Volker, Thiele, Christina M., Reggelin, Michael
Format: Artikel
Sprache:eng
Schlagworte:
Alignment
Anisotropy
chirality
Constants
Couplings
Interprocessor communication
liquid crystals
Magnetic Resonance Spectroscopy
Media
Molecular Structure
NMR spectroscopy
Orientation
Polyacetylenes
Polyacetylenes - chemistry
polymers
residual dipolar couplings
Shape
Stereoisomerism
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Zusammenfassung:Orientation help: Valine‐derived polyacetylenes are introduced as enantiomer‐differentiating alignment media. The F2‐coupled HSQC‐type NMR spectra of both enantiomers of isopinocampheol (IPC) display narrow line widths allowing for the precise extraction of residual dipolar couplings (black contour plot: (+)‐IPC in an isotropic phase, blue: (−)‐IPC in an anisotropic phase, and red: (+)‐IPC in an anisotropic phase; J=coupling constant).
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201201891