The observation of a thermal 'double aromatization'process in a hydrocarbon with fused blocked aromatic rings

B Miller, J Baghdadchi

Index: Miller, Bernard; Baghdadchi, Jamil Journal of the Chemical Society, Chemical Communications, 1986 , # 16 p. 1257 - 1258

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Abstract

On heating above 15OoC, compound (l), the first reported example of a hydrocarbon with fused blocked aromatic rings, rearranges to form 9-ethylanthracene, with simultaneous aromatization of two non-aromatic rings. ... Rearrangements which result in the immediate conversion of non-aromatic rings into aromatic isomers are well known. (Typical examples include the 'semibenzene rearrangements' of methylenecyclohexadienes' and the rearrangements of ...