Bronsted-Acidic Imidazolium Ionic Liquid [bmim(SO3H)][OTf]: A Mild Catalyst for Highly Efficient Synthesis of Coumarins

Title
Bronsted-Acidic Imidazolium Ionic Liquid [bmim(SO3H)][OTf]: A Mild Catalyst for Highly Efficient Synthesis of Coumarins
Author(s)
할도리유바라즈심재진RAJESH G. KALKHAMBKAR[RAJESH G. KALKHAMBKAR]
Keywords
ONE-POT SYNTHESIS; PECHMANN CONDENSATION; REUSABLE CATALYST; 4-SUBSTITUTED COUMARINS; ETHYL ACETOACETATE; AROMATIC-COMPOUNDS; ESTERIFICATION; REAGENT; GREEN; TETRAFLUOROBORATE
Issue Date
201311
Publisher
ASIAN JOURNAL OF CHEMISTRY
Citation
ASIAN JOURNAL OF CHEMISTRY, v.25, no.16, pp.9379 - 9383
Abstract
The use of Bronsted-acidic imidazolium ionic liquid [bmim(SO3H)][OTf] as a catalyst for the high yielding synthesis of a wide variety of coumarins under mild conditions via Pechmann condensation has been demonstrated. This method is simple and has benefits from the easy way to isolate coumarins in good yields. In comparison with the classical Pechmann condensation, this new method consistently has the advantage of high yields and good purity.
URI
http://hdl.handle.net/YU.REPOSITORY/28673
ISSN
0970-7077
Appears in Collections:
공과대학 > 화학공학부 > Articles
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