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Green Chemistry Letters and Reviews Volume 4, 2011 - Issue 4
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RESEARCH LETTERS

A convenient synthesis of coumarins using reusable ionic liquid as catalyst

Sudarshan Das Department of Chemistry, Visva-Bharati University, Santiniketan, 731235, India
,
Adinath Majee Department of Chemistry, Visva-Bharati University, Santiniketan, 731235, India
&
Alakananda Hajra Department of Chemistry, Visva-Bharati University, Santiniketan, 731235, IndiaCorrespondence[email protected]
Pages 349-353 | Received 21 Jan 2010, Accepted 10 Mar 2011, Published online: 19 Jul 2011

Figures & data

Figure 1.  Coumarin-based biological active compounds.

Figure 1.  Coumarin-based biological active compounds.
short-legendScheme 1. Acidic ionic liquid-catalyzed synthesis of coumarins.

Table 1. Acidic ionic liquid-catalyzed synthesis of coumarins.

Table 2. Comparison of the present protocol with recently reported methods.

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Related Research Data

A solvent-free synthesis of coumarins using 1,3-disulfonic acid imidazolium hydrogen sulfate as a reusable and effective ionic liquid catalyst
Source: Springer Science and Business Media LLC
Brønsted acidic ionic liquid catalyzed tandem reaction of 4-hydroxy-1-methyl-2-quinolone with chalcone: regioselective synthesis of pyrano[3,2-c]quinolin-2-ones
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