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Potassium T-Butoxide-Promoted Metal-Free Synthesis of Pyrazino[1,2-A]Indoles Via Direct Amidation and Intramolecular Hydroamination Reaction Publisher



Yazzaf R2 ; Adib M2 ; Mahdavi M1
Authors
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Authors Affiliations
  1. 1. Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. School of Chemistry, College of Science, University of Tehran, PO Box, Tehran, 14155-6455, Iran

Source: ChemistrySelect Published:2023


Abstract

A library of pyrazino[1,2-a]indoles has been synthesized via direct amidation and alkyne hydroamination reactions of the molecule produced by indole-2-carboxylic acid and propargyl bromide. The noteworthy features of the present strategy are short reaction time, excellent yields and a broad substrate scope. This cascade reaction also occurred under transition metal-free and ambient conditions as well as operational simplicity. © 2023 Wiley-VCH GmbH.