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Issue 2, 2003
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An ionic liquid as a recyclable medium for the green preparation of α,α′-bis (substituted benzylidene)cycloalkanones catalyzed by FeCl3·6H2O

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Abstract

The utilization of the ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate ([bmim][BF4]) as reaction medium, and of iron (III) chloride hexahydrate as a catalyst is described for the efficient preparation of α,α′-bis(substituted benzylidene)cycloalkanones. The preparative process presented here is operationally simple, environmentally benign and has the advantage of enhanced atom utilization. Furthermore, the solvent and the catalyst used can be recovered conveniently and reused efficiently.

Graphical abstract: An ionic liquid as a recyclable medium for the green preparation of α,α′-bis (substituted benzylidene)cycloalkanones catalyzed by FeCl3·6H2O

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Publication details

The article was received on 06 Dec 2002 and first published on 11 Mar 2003


Article type: Paper
DOI: 10.1039/B212155G
Green Chem., 2003,5, 267-269

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    An ionic liquid as a recyclable medium for the green preparation of α,α′-bis (substituted benzylidene)cycloalkanones catalyzed by FeCl3·6H2O

    X. Zhang, X. Fan, H. Niu and J. Wang, Green Chem., 2003, 5, 267
    DOI: 10.1039/B212155G

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