Abstract
An unprecedented C-1 selective mono-arylation/acylation of N-protected carbazoles with aryl diazonium salts/glyoxylic acids has been developed in visible light by dual catalytic system comprising of Eosin Y and palladium acetate. The methodology has good functional group tolerance and high regioselectivity and furnishes the monosubstituted products in moderate to good yields at room temperature.
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