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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 39, 2008 - Issue 1
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Original Articles

Synthesis of 1-(2-Methyl-1,2,3,4-tetrahydroquinolin-4-yl) pyrrolidin-2-ones from Anilines and N-Vinyl Pyrrolidin-2-one Through Imino Diels–Alder Reaction Using 4-Nitro Phthalic Acid as Catalyst

, &
Pages 93-101 | Received 29 May 2008, Published online: 15 Feb 2011
 

Abstract

Aryl amines react smoothly and efficiently with N-vinyl pyrrolidin-2-one in the presence of 4-nitro phthalic acid in acetonitrile to afford the corresponding 1-(2-methyl-1,2,3,4-tetrahydroquinolin-4-yl)pyrrolidin-2-ones in good yields.

ACKNOWLEDGMENT

We are thankful to Department of Postgraduate Studies and Research in Chemistry and Industrial Chemistry, Kuvempu University, Shankaraghatta, for providing laboratory facilities.

Notes

a 50 mol% catalyst loaded.

b Isolated yields.

a Isolated yields.

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