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Synthesis of carbazoles and dibenzofurans via cross-coupling of o-lodoanilines and o-lodophenols with silylaryl triflates
Liu, Zhijian,Larock, Richard C.
, p. 3739 - 3741 (2007/10/03)
(Chemical Equation Presented) An efficient route to synthesize a variety of carbazoles and dibenzofurans has been developed. It involves the reaction of o-iodoanilines or o-iodophenols with silylaryl triflates in the presence of CsF to afford the N- or O-arylated products, which are subsequently cyclized using a Pd catalyst to carbazoles and dibenzofurans in good to excellent yields. This chemistry tolerates a variety of functional groups.
