Synthesis of ortho??substituted benzophenones by way of benzophenones carrying A t??butyl group as a blocking group

PS Hofman, DJ Reiding…

Index: Hofman,P.S. et al. Recueil des Travaux Chimiques des Pays-Bas, 1960 , vol. 79, p. 790 - 793

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Citation Number: 9

Abstract

Abstract Whereas benzoylation of toluene or m-xylene is known to lead to a mixture of 2-and 4-methylbenzophenone and to 2, 4-dimethylbenzophenone respectively, the presence of a blocking t. butyl group in the 4-and the 5-positions respectively leads to products which on debutylation yield benzophenones with substituents in the ortho position only.