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Reactions of arynes with nitrosoarenes - An approach to substituted carbazoles
Chakrabarty, Shyamal,Chatterjee, Indranil,Tebben, Ludger,Studer, Armido
, p. 2968 - 2971 (2013/03/29)
No transition metals are necessary in the reaction of in situ generated arynes with nitrosoarenes to give substituted carbazoles. Depending on the fluoride source and the solvent, either N-arylated carbazoles or NH-carbazoles are obtained (see scheme; DME=dimethoxyethane, OTf=trifluoromethanesulfonate). In these cascades a C-C and one or two C-N bonds are formed. The reactions are easy to conduct and proceed under mild conditions. Copyright
