Carbazole → HCID 68267060, compound

Participants

Reaction Steps

A mixture of 29.1 g (85.2 mmole) 2,8-dibromodibenzo[b,d]thiophene, 14.2 g (85.2 mmole) of carbazole, 0.12 g (0.54 mmole) of palladium(II) acetate, 0.4 g (1.14 mmol) of 2-(dicyclohexylphosphino)biphenyl, 10 g (104 mmole) sodium tert-butoxide and 300 ml toluene were refluxed under nitrogen for about overnight, then cooled to room temperature, the organic layer was extracted with ethyl acetate and water, dried with anhydrous magnesium sulfate, the solvent was removed and the residue was purified by column chromatography on silica(hexane-dichloromethane) to give product 18.6 g (51%).

Provenance & Evidence