Regioselective ethoxy-carbonylation of indoles and indazoles using DEAD and tetraethylammonium cyanide
2013
Ramesh, Samikannu | Arunachalam, Pirama Nayagam | Lalitha, Appaswami
The direct carbonylation of the heterocyclic amines like indoles and indazoles using diethylazodicarboxylate (DEAD) in the presence of tetraethyl ammonium cyanide (TEACN) resulted in regio-selective C- or N-ethoxycarbonylations depending on the substituents present on the benzene ring of these heteroaromatic compounds.
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