A p‐benzyne to m‐benzyne conversion through a 1,2‐shift of a phenyl group. Completion of the benzyne cascade
Journal of Physical Organic Chemistry2004Vol. 17(9), pp. 798–806
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Abstract
Abstract Pyrolysis of 1,6‐diphenylhexa‐1,5‐diyne‐ cis ‐3‐ene at 800–1000°C leads to a mixture of 1‐ and 2‐phenylbiphenylene, along with triphenylene. Formation of the two biphenylenes is taken as strong evidence of the rearrangement of a p ‐benzyne into a m ‐benzyne through a shift of one of the phenyl groups. Copyright © 2004 John Wiley & Sons, Ltd.
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