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Note | Regular issue | Vol 65, No. 3, 2005, pp.649-656
Published online, 21st January, 2005
DOI: 10.3987/COM-04-10301
Hypervalent Iodine(III) Sulfonate Mediated Synthesis of 5-Benzoyldihydro-2(3H)-furanone in Ionic Solvent

Rei-Sheu Hou, Huey-Min Wang, Yu-Chien Lin, and Ling-Ching Chen*

*Graduate Institute of Pharmaceutical Sciences, Kaohsiung Medical University, Kaohsiung 807, Taiwan, R.O.C.


The room temperature ionic liquid, n-butylpyridinium tetrafluoroborate (BPyBF4) is used as a “green” recyclable solvent for the reaction of 4-benzoylbutyric acid with [hydroxy-(2,4-dinitrobenzenesulfonyloxy)iodo]- benzene (HDNIB) to prepare 5-benzoyldihydro-2(3H)-furanone.