Lewis Acid Mediated One??Pot Synthesis of Aryl/Heteroaryl??Fused Carbazoles Involving a Cascade Friedel–Crafts Alkylation/Electrocyclization/Aromatization Reaction …
…, V Dhayalan, AK Mohanakrishnan
Index: Sureshbabu, Radhakrishnan; Saravanan, Velu; Dhayalan, Vasudevan; Mohanakrishnan, Arasambattu K. European Journal of Organic Chemistry, 2011 , # 5 p. 922 - 935
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Citation Number: 7
Abstract
Abstract A Lewis-acid-mediated domino reaction of 2/3-(bromomethyl) indoles with arenes/heteroarenes led to the formation of the corresponding annulated carbazoles. This three-step one-pot transformation proceeds by sequential Lewis acid catalysed Friedel– Crafts alkylation, electrocyclization and aromatization reactions. The strategy is highly efficient for the assembly of complex aryl/heteroaryl-fused carbazoles.
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