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Published on: January 3, 2018
3,3-Diphenyl-6-(p-toluenesulfonyl)-6-aza-3-silabicyclo[3.1.0]hexane
J L Matthews1, D R McArthur, K W Muir
1Department of Chemistry, University of Glasgow, Glasgow G12 8QQ, Scotland.
This study reveals that a specific bicyclo[3.1.0]hexane compound adopts a boat conformation at low temperatures. This conformation facilitates close interaction between a phenyl group and the aziridine lone pair, influencing molecular structure.
Area of Science:
- Organic Chemistry
- Crystallography
- Molecular Modeling
Background:
- Bicyclo[3.1.0]hexane systems are known for their unique structural properties.
- Conformational analysis is crucial for understanding chemical reactivity and physical properties.
Purpose of the Study:
- To investigate the low-temperature conformation of a novel C23H23NO2SSi compound.
- To elucidate the factors influencing the observed boat conformation in bicyclo[3.1.0]hexane derivatives.
Main Methods:
- Single-crystal X-ray diffraction at 100 K.
- Analysis of intramolecular interactions and substituent effects.
Main Results:
- The title compound (C23H23NO2SSi) was determined to adopt a boat conformation at 100 K.
- An axial phenyl substituent's C-H bond was found to be in close proximity (3.376 Å) to the aziridine lone pair.
- This proximity suggests a potential stabilizing interaction favoring the boat conformation.
Conclusions:
- The boat conformation is favored in this bicyclo[3.1.0]hexane system due to specific intramolecular interactions.
- Understanding these conformational preferences is key for designing novel organic molecules with tailored properties.
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