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Ag(i)-catalyzed carbon–carbon bond formation between a ketone and an allylic C–H bond†
Kamalkishore Pati,Rai-Shung Liu
Chemical Communications Pub Date : 04/17/2012 00:00:00 , DOI:10.1039/C2CC32205F
Abstract

We report a silver-catalyzed cyclization of 1-(2,2-dimethyl-cyclopropyl)methyl ketones to give 1,2,4-trisubstituted benzenes. These reactions comprise an initial cyclopropane cleavage, followed by an aromatization of the resulting 4-en-1-one intermediate. The latter represents an unusual silver-catalyzed addition of a ketone to an allylic C–H bond via a non-carbonyl ene reaction.

Graphical abstract: Ag(i)-catalyzed carbon–carbon bond formation between a ketone and an allylic C–H bond
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