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IJC-B Vol.47B(07) [July 2008] >

Title: A task specific basic ionic liquid, [bmIm]OH-promoted efficient, green and one-pot synthesis of tetrahydrobenzo[b]pyran derivatives
Authors: Ranu, Brindaban C
Banerjee, Subhash
Roy, Sudeshna
Keywords: Ionic liquid
Multi-component condensation
4H- benzo[b]pyran
Green procedure
Issue Date: Jul-2008
Publisher: CSIR
Abstract: A basic ionic liquid, 1-butyl-3-methyl imidazolium hydroxide, [bmIm]OH has been used as an efficient catalyst for the synthesis of a variety of 4H-benzo[b]pyran derivatives by a one-pot three component condensation of aldehydes, cyclohexa-1,3-diones and malononitrile/ethyl cyano acetate at room temperature. The reactions are very fast (5-20 min), high yielding (85-98%) and do not require any organic solvent.
Page(s): 1108-1112
ISSN: 0376-4699
Source:IJC-B Vol.47B(07) [July 2008]

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