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ChemInform Abstract: An Improved Procedure for the Three-Component Synthesis of Benzo[g]chromene Derivatives Using Basic Ionic Liquid.

โœ Scribed by Yi Yu; Hongyun Guo; Xiaojun Li

Book ID
112043156
Publisher
John Wiley and Sons
Year
2012
Weight
26 KB
Volume
43
Category
Article
ISSN
0931-7597

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An improved procedure for the three-comp
An improved procedure for the three-component synthesis of benzo[g]chromene derivatives using basic ionic liquid
โœ Yi Yu; Hongyun Guo; Xiaojun Li ๐Ÿ“‚ Article ๐Ÿ“… 2011 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 92 KB

## Abstract A basic ionic liquid, 1โ€butylโ€3โ€methyl imidazolium hydroxide ([bmim]OH), efficiently promotes a oneโ€pot, threeโ€component condensation of aromatic aldehydes, malononitrile or ethyl cyanoacetate, and 2โ€hydroxyโ€1,4โ€naphthoquinone to produce 4โ€arylโ€5,10โ€dihydroโ€4__H__โ€benzo[__g__]chromeneโ€5