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09:35
Preparation of a Corannulene-functionalized Hexahelicene by Copper(I)-catalyzed Alkyne-azide Cycloaddition of Nonplanar Polyaromatic Units
Published on: September 18, 2016
5-(4-Bromo-benzyl-idene)-5H-dibenzo[a,d][7]annulene
1School of Pharmaceutical and Chemical Engineering, Taizhou University, Linhai 317000, People's Republic of China.
Acta Crystallographica. Section E, Structure Reports Online
|January 5, 2011
Summary
This study details the unique concave structure of a brominated tricyclic compound (C22H15Br). The dihedral angle between its benzene rings was precisely measured, revealing its three-dimensional molecular architecture.
Area of Science:
- Organic Chemistry
- Crystallography
Background:
- Tricyclic organic compounds exhibit diverse structural properties.
- Understanding molecular geometry is crucial for predicting chemical behavior.
Purpose of the Study:
- To characterize the three-dimensional structure of the title compound, C22H15Br.
- To quantify the dihedral angle between the benzene ring planes.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the molecular structure.
- The dihedral angle was calculated from the crystallographic data.
Main Results:
- The title compound, C22H15Br, possesses a distinct concave tricyclic system.
- A dihedral angle of 48.68(1)° was measured between the benzene ring planes.
Conclusions:
- The determined structure confirms a non-planar, concave conformation.
- This structural insight is valuable for structure-activity relationship studies in related compounds.
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