A new recyclable temperature-dependant phase-separation system comprised of PEG-1000-based dicationic acidic ionic liquid and toluene was developed and used in one-pot three-component condensation to prepare benzopyrans in excellent yields (up to 93%).
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A new PEG-1000-based dicationic ionic liquid exhibiting temperature-dependent phase behavior with toluene and its application in one-pot synthesis of benzopyrans.
Chem Commun (Camb)
May 2009
School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, China.
A new recyclable temperature-dependant phase-separation system comprised of PEG-1000-based dicationic acidic ionic liquid and toluene was developed and used in one-pot three-component condensation to prepare benzopyrans in excellent yields (up to 93%).
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