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A Convenient Synthesis of 3,7′-Bisindole Derivatives

Authors: Teng Liu; Hong-You Zhu; Da-Yun Luo; Sheng-Jiao Yan; Jun Lin;

A Convenient Synthesis of 3,7′-Bisindole Derivatives

Abstract

An efficient and convenient method to synthesize highly functionalized 3,7′-bisindole derivatives has been developed via a Michael addition and cyclic condensation reaction of heterocyclic ketene aminals (HKAs) with 2-(1H-indol-3-yl)cyclohexa-2,5-diene-1,4-dione derivatives in ethanol-based solvents at room temperature. This strategy provides an efficient, environmentally friendly approach for easy access to various novel 3,7′-bisindole derivatives in moderate to good yields.

Keywords

Indoles, Molecular Structure, 3,7′-bisindoles, Organic chemistry, Stereoisomerism, 3,7′-bisindoles; Michael addition; condensation reaction; heterocyclic ketene aminals, heterocyclic ketene aminals, Article, condensation reaction, QD241-441, Heterocyclic Compounds, Michael addition, Nitriles, Solvents, Imines

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    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    6
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
6
Top 10%
Average
Average
Green
gold