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ChemInform Abstract: Thermally Induced Cyclodehydrogenation of Biaryls: A Simple Radical Reaction or a Sequence of Rearrangements?

✍ Scribed by J. CIOSLOWSKI; P. PISKORZ; D. MONCRIEFF

Book ID: 101866102
Publisher: John Wiley and Sons
Year: 2010
Weight: 26 KB
Volume: 29
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199840042

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✦ Synopsis

Thermally Induced Cyclodehydrogenation of Biaryls: A Simple Radical Reaction or a Sequence of Rearrangements?

-The first direct radical pathway from 1-phenylnaphthalene to fluoranthene predominates at lower temperatures. The second pathway involves an arylaryne/anellated cyclopentadienylidenecarbene mechanism. The third pathway involves direct equilibration and is associated with very high activation energies, so that an operation under normal pyrolytic conditions is not probable. -(CIOSLOWSKI,

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