Reaction of sulfonylindoles with protected β-nitro ketones affords the corresponding 3-(2-nitroalkyl)indoles that, under acidic conditions, undergo a sequence of cascade processes finally leading to unsymmetrical 1,4-disubstituted carbazoles.
A Two step Synthesis of Unsymmetrical 1,4-Disubstituted Carbazoles from Sulfonyl Indoles Under Heterogeneous Catalysis
BALLINI, Roberto;GABRIELLI, Serena;PALMIERI, Alessandro;PETRINI, Marino
2010-01-01
Abstract
Reaction of sulfonylindoles with protected β-nitro ketones affords the corresponding 3-(2-nitroalkyl)indoles that, under acidic conditions, undergo a sequence of cascade processes finally leading to unsymmetrical 1,4-disubstituted carbazoles.File in questo prodotto:
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