On the basis of the difficulties outlined in the proceeding
sections, and considering the general utility of aryl ketones, we
set out to develop of a convenient and practical way of
synthesizing aryl ketones directly from aromatic acids. Hence,
we are reporting a facile, palladium-catalyzed Suzuki coupling
which employs a triazine ester as key intermediate to the
synthesis of aryl ketones in one pot. First, aromatic carboxylic
acids are reacted with 2-chloro-4,6-dimethoxy-1,3,5-triazine
(CDMT) under very mild conditions to provide the
corresponding triazine ester. Subsequent treatment of the