13C NMR Chemical Shift Assignments for Some Carbazole Derivatives

Article abstract of DOI:10.1002/mrc.1260260414

13C NMR chemical shift assignments have been made for a series of 1-substituted carbazoles, 8-substituted 1,2,3,4-tetrahydrocarbazoles, 1-substituted benzocarbazoles and 6-substituted dibenzocarbazoles.Single examples were examined of other classes of substituted carbazoles: 3-butylcarbazole and its tetrahydro precursor 6-butyl-1,2,3,4-tetrahydrocarbazole, 8-butyl- and 8,10-diethylbenzocarbazoles and their 5,6-dihydro precursors, dibenzocarbazole and its 5,6,7,8-tetrahydro precursor, benzocarbazole and its 6-chloro derivatives and 5,6-dihydrobenzocarbazole and 5,6,8,9-tetrahydrodibenzocarbazole and their N-methyl derivatives.In addition, the N-(1-pyrrolidinomethyl) derivatives of carbazole, 1,2,3,4-tetrahydrocarbazole, benzocarbazole and dibenzocarbazole were also studied.KEY WORDS 13C NMR Chemical shift assignments Carbazole derivatives.