Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.cattod.2012.02.063
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dc.titlePhosphonium ionic liquids as highly thermal stable and efficient phase transfer catalysts for solid-liquid Halex reactions
dc.contributor.authorFan, A.
dc.contributor.authorChuah, G.-K.
dc.contributor.authorJaenicke, S.
dc.date.accessioned2014-06-23T05:46:35Z
dc.date.available2014-06-23T05:46:35Z
dc.date.issued2012-12-30
dc.identifier.citationFan, A., Chuah, G.-K., Jaenicke, S. (2012-12-30). Phosphonium ionic liquids as highly thermal stable and efficient phase transfer catalysts for solid-liquid Halex reactions. Catalysis Today 198 (1) : 300-304. ScholarBank@NUS Repository. https://doi.org/10.1016/j.cattod.2012.02.063
dc.identifier.issn09205861
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/76746
dc.description.abstractTrihexyl (tetradecyl) phosphonium tetrafluoroborate was found to be an active catalyst for the introduction of fluoride by nucleophilic aromatic substitution. With a decomposition temperature above 300 °C, this ionic liquid is suitable for reactions at high temperatures. The addition of 1 mol% of the ionic liquid relative to KF increased the initial rate for the fluorination of 1,2-dichloro-4-nitrobenzene six-fold compared to the uncatalysed reaction. The highest reaction rate was observed at 20 mol% ionic liquid relative to KF. Ease of handling without the need for stringent drying conditions and reuseability make this ionic liquid a useful phase transfer catalyst. © 2012 Elsevier B.V.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.cattod.2012.02.063
dc.sourceScopus
dc.subjectChloronitrobenzenes
dc.subjectHalex reaction
dc.subjectIonic liquids
dc.subjectKF
dc.subjectPhase transfer catalyst
dc.subjectPhosphonium ion
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1016/j.cattod.2012.02.063
dc.description.sourcetitleCatalysis Today
dc.description.volume198
dc.description.issue1
dc.description.page300-304
dc.description.codenCATTE
dc.identifier.isiut000311350000040
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