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Single-crystal structures of polyphenylene dendrimers

MPS-Authors
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Bauer,  R. E.
MPI for Polymer Research, Max Planck Society;

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Enkelmann,  Volker
MPI for Polymer Research, Max Planck Society;

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Wiesler,  U. M.
MPI for Polymer Research, Max Planck Society;

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Berresheim,  A. J.
MPI for Polymer Research, Max Planck Society;

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Müllen,  Klaus
MPI for Polymer Research, Max Planck Society;

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Citation

Bauer, R. E., Enkelmann, V., Wiesler, U. M., Berresheim, A. J., & Müllen, K. (2002). Single-crystal structures of polyphenylene dendrimers. Chemistry – A European Journal, 8(17), 3858-3864. doi:10.1002/1521-3765(20020902)8:17<3858:AID-CHEM3858>3.0.CO;2-5.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-64F8-9
Abstract
A series of first-generation polyphenylene dendrimers based on three different cores were prepared by Diels-Alder cycloaddition and their single-crystal structures were determined. Consisting exclusively of interlocked, twisted phenyl rings, these polyphenylene nanostructures have exciting structural and dynamic properties. Single crystals of dendrimers, suitable for X-ray structure analysis, were grown from different solvent mixtures by slow evaporation at room temperature. It should be pointed out that one of the described polyphenylene dendrimers represents up to now the biggest oligophenylene nanostructure from which crystallographic data is available.