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Issue 40, 2013
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Chiral boron Lewis acid-catalyzed asymmetric synthesis of 4,5-dihydropyrrolo[1,2-a]quinoxalines

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Abstract

In the presence of B(OMe)3/(R)-BINOL (1 : 1, 10 mol%) and 4 Å molecular sieves, a range of 2-(1H-pyrrol-1-yl)anilines smoothly underwent a Pictet–Spengler-type reaction with aldehydes to give structurally diverse 4,5-dihydropyrrolo[1,2-a]quinoxalines in good to excellent yields and ee.

Graphical abstract: Chiral boron Lewis acid-catalyzed asymmetric synthesis of 4,5-dihydropyrrolo[1,2-a]quinoxalines

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Article information


Submitted
27 Jun 2013
Accepted
30 Jul 2013
First published
07 Aug 2013

RSC Adv., 2013,3, 18275-18278
Article type
Communication

Chiral boron Lewis acid-catalyzed asymmetric synthesis of 4,5-dihydropyrrolo[1,2-a]quinoxalines

Y. Li, Y. Su, D. Dong, Z. Wu and S. Tian, RSC Adv., 2013, 3, 18275 DOI: 10.1039/C3RA43248C

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