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An anomalous type of F RIEDEL ‐C RAFTS reaction was observed with hexaethyland hexamethylbenzene. With a number of acid chlorides and γ‐dicarboxylic anhydrides the reaction proceeded by elimination of an alkyl group with production of the corresponding pentaalkylphenyl ketones and γ‐pentaalkylbenzoyl acids respectively.
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Hopff et al. (1960) studied this question.
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