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Copper-catalyzed synthesis of aminoquinolines from β-(2-aminophenyl)-α,β-ynones using DMF as dual synthon

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Abstract

A new and efficient method has been developed for the synthesis of 4-aminoquinoline through aerobic Cu(I)-catalyzed cyclization of β-(2-aminophenyl)-α,β-ynones. Under the optimized conditions, DMF could serve as a methine source to introduce C2 carbon and a nitrogen source to incorporate amino functionality in the 4th position. Mechanistic studies using 13C- and DMF-d7 revealed that the methine group was derived from a methyl substituent.

Graphical abstract: Copper-catalyzed synthesis of aminoquinolines from β-(2-aminophenyl)-α,β-ynones using DMF as dual synthon

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Article information


Submitted
27 Apr 2020
Accepted
14 May 2020
First published
15 May 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Copper-catalyzed synthesis of aminoquinolines from β-(2-aminophenyl)-α,β-ynones using DMF as dual synthon

B. Ganesan, K. Govindan, G. C. Senadi, M. Kandasamy and W. Lin, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC03033C

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