Regioselective ethoxy-carbonylation of indoles and indazoles using DEAD and tetraethylammonium cyanide†,10.1039/C3RA40972D

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Lactoyl-CoA 全氟丁基戊烷白叶藤碱全氟己基辛烷新白叶藤碱壳寡糖特色专题-生物多肽

Regioselective ethoxy-carbonylation of indoles and indazoles using DEAD and tetraethylammonium cyanide†

Pirama Nayagam Arunachalam,Appaswami Lalitha

RSC Advances Pub Date : 05/08/2013 00:00:00 , DOI:10.1039/C3RA40972D

Abstract

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.