Title

Hexabenzo[4.4.4]propellane:  A Helical Molecular Platform for the Construction of Electroactive Materials

Document Type

Article

Language

eng

Publication Date

2007

Publisher

American Chemical Society

Source Publication

Organic Letters

Source ISSN

1523-7060

Abstract

Helical hexabenzo[4.4.4]propellane (a relative of hexaphenylethane) and its derivatives are synthesized and their structures are established by X-ray crystallography. Isolation and X-ray crystallographic characterization of a robust trication-radical salt of hexamethoxypropellane derivative confirms that its framework is stable toward oxidative (aliphatic) C−C bond cleavage. It is also demonstrated that propellane can be easily brominated at the 4,4‘-positions of the biphenyl linkages for its usage as a molecular platform for the preparation of electroactive materials.

Comments

Organic Letters, Vol. 9, No. 21 (2007): 4091-4094. DOI.

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