A new PEG-1000-based dicationic ionic liquid exhibiting temperature-dependent phase behavior with toluene and its application in one-pot synthesis of benzopyrans

Literature Information

Publication Date 2009-04-06
DOI 10.1039/B822481A
Impact Factor 6.222
Authors

Huizhen Zhi, Chunxu Lü, Qiang Zhang, Jun Luo


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Abstract

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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