Potassium Carbonate → 12,12-Dimethyl-10-phenyl-10,12-dihydroindeno[2,1-b]carbazole

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Reaction Conditions

Reaction Steps

The resulting 12,12-dimethyl-10,12-dihydroindeno[2,1-b]carbazole (7.8 g), iodobenzene (3.7 ml), sodium bisulfite (0.43 g), a copper powder (0.17 g), 3,5-di(tert-butyl)salicylic acid (0.69 g), potassium carbonate (5.71 g), and dodecylbenzene (10 ml) were added to a nitrogen-substituted reaction vessel, heated, and stirred at 170° C. for 10 hours. The mixture was cooled to 100° C., extracted by adding toluene (100 ml), concentrated under reduced pressure, and crystallized using n-hexane (30 ml) to obtain a pale yellow powder of 12,12-dimethyl-10-phenyl-10,12-dihydroindeno[2,1-b]carbazole (8.73 g; yield 88.3%).

Provenance & Evidence