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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 42, 2012 - Issue 16
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Original Articles

Facile and Convenient Synthesis of Functionalized Aryl-Containing Isoindigo Derivatives via Substituted Indolin-2-one Carbene Dimerization

, , , , &
Pages 2388-2395 | Received 22 Nov 2010, Published online: 14 May 2012
 

Abstract

The reaction of substituted benzyl-, aroylmethyl-, or 1-phenetylisatins with hexaethyltriaminophosphine has been shown to lead to the formation of a library of 3,3′-biindolinylidene-2,2′-diones with functionalized benzyl-, aroylmethyl-, and 1-phenetyl fragments at the nitrogen atom.

GRAPHICAL ABSTRACT

ACKNOWLEDGMENTS

Financial support by the Council on Grants of the President of the Russian Federation (Grant MK-1670.2010.3) and by the Russian Foundation for Basic Research (Grant 09-03-00933) is gratefully acknowledged.

Notes

w = 1/[\σ 2(Fo2) + (0.0561P)2 + 0.0000P] where P = (Fo2 + 2Fc2)/3.

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