FeCl3-catalyzed Pechmann synthesis of coumarins in ionic liquids

Vineet Kumar; Shilpi Tomar; Ronak Patel; Ahmad Yousaf; Virinder S. Parmar; Sanjay V. Malhotra

doi:10.1080/00397910802219569

FeCl3-catalyzed Pechmann synthesis of coumarins in ionic liquids

Vineet Kumar, Shilpi Tomar, Ronak Patel, Ahmad Yousaf, Virinder S. Parmar, Sanjay V. Malhotra

Research output: Contribution to journal › Article › peer-review

46 Scopus citations

Abstract

The synthesis of coumarin derivatives via Pechmann reaction using anhydrous FeCl3 as Lewis acid catalyst in ionic liquid medium has been carried out. The best results were obtained (yields as high as 89%) with ionic liquids having bis(triflic)imide as a counteranion. The ionic liquid could easily be recovered and reused.

Original language	English (US)
Pages (from-to)	2646-2654
Number of pages	9
Journal	Synthetic Communications
Volume	38
Issue number	15
DOIs	https://doi.org/10.1080/00397910802219569
State	Published - Jan 2008
Externally published	Yes

Keywords

Coumarins
Ionic liquids
Pachmann condensation
Recyclability

ASJC Scopus subject areas

Organic Chemistry

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10.1080/00397910802219569

Cite this

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title = "FeCl3-catalyzed Pechmann synthesis of coumarins in ionic liquids",

abstract = "The synthesis of coumarin derivatives via Pechmann reaction using anhydrous FeCl3 as Lewis acid catalyst in ionic liquid medium has been carried out. The best results were obtained (yields as high as 89%) with ionic liquids having bis(triflic)imide as a counteranion. The ionic liquid could easily be recovered and reused.",

keywords = "Coumarins, Ionic liquids, Pachmann condensation, Recyclability",

author = "Vineet Kumar and Shilpi Tomar and Ronak Patel and Ahmad Yousaf and Parmar, {Virinder S.} and Malhotra, {Sanjay V.}",

note = "Funding Information: A. Y. acknowledges Bristol Myers Squibb for partial support through an undergraduate research grant. R. P. thanks the American Chemical Society SEED program for summer support.",

year = "2008",

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doi = "10.1080/00397910802219569",

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T1 - FeCl3-catalyzed Pechmann synthesis of coumarins in ionic liquids

AU - Kumar, Vineet

AU - Tomar, Shilpi

AU - Patel, Ronak

AU - Yousaf, Ahmad

AU - Parmar, Virinder S.

AU - Malhotra, Sanjay V.

N1 - Funding Information: A. Y. acknowledges Bristol Myers Squibb for partial support through an undergraduate research grant. R. P. thanks the American Chemical Society SEED program for summer support.

PY - 2008/1

Y1 - 2008/1

N2 - The synthesis of coumarin derivatives via Pechmann reaction using anhydrous FeCl3 as Lewis acid catalyst in ionic liquid medium has been carried out. The best results were obtained (yields as high as 89%) with ionic liquids having bis(triflic)imide as a counteranion. The ionic liquid could easily be recovered and reused.

AB - The synthesis of coumarin derivatives via Pechmann reaction using anhydrous FeCl3 as Lewis acid catalyst in ionic liquid medium has been carried out. The best results were obtained (yields as high as 89%) with ionic liquids having bis(triflic)imide as a counteranion. The ionic liquid could easily be recovered and reused.

KW - Coumarins

KW - Ionic liquids

KW - Pachmann condensation

KW - Recyclability

UR - http://www.scopus.com/inward/record.url?scp=51349109197&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=51349109197&partnerID=8YFLogxK

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DO - 10.1080/00397910802219569

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VL - 38

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EP - 2654

JO - Synthetic Communications

JF - Synthetic Communications

IS - 15

ER -

FeCl3-catalyzed Pechmann synthesis of coumarins in ionic liquids

Abstract

Keywords

ASJC Scopus subject areas

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