Hydride ion transfer between Ph,C+SbCI,and bis-(9-ethyl-3-carbazolyI)methane leads to a blue di-(carbazoly1)methyl dye. Kinetic studies show that the reaction rates are inversely proportional to solvent dielectric in accordance with the general theory of solvent effects on organic reactions. Characterization of the blue dye permits rationalization of many previous reports relating to coloured intermediates from acid-catalysed reactions of carbazole derivatives.

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Studies on Indoles, Carbazoles, and Related Compounds. I. Carbazole Leuco Derivatives Related to 4,4'-Diaminodiphenylmethanes. Bis(3-carbazolyl)methanes and Bis(9-carbazolyl)methanes

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Sunznzavy Formylation of 1,2,3,4-tetrahydro-9-methylcarbazoles under Vilsmeier-Haack conditions affords 3-formpl-1,9-dimethylcarbazoles, in contrast to a previous report.