Molybdenum(II) Diiodo-Tricarbonyl Complexes Containing Nitrogen Donor Ligands as Catalyst Precursors for the Epoxidation of Methyl Oleate

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Abstract

The molybdenum(II) tricarbonyl complexes [Mo(CO)(3)I2L (n) ] (n = 1, L = 2,2'-bipyridine, 4,4'-di-tert-butyl-2,2'-bipyridine; n = 2, L = pyridine, 4-tert-butylpyridine) have been examined as catalyst precursors for the epoxidation of the biorenewable olefin methyl oleate with tert-butylhydroperoxide. In situ oxidative decarbonylation of the precursors gives highly active and selective molybdenum(VI) catalysts, which were identified as the one-dimensional molybdenum oxide/bipyridine polymer [MoO3(2,2'-bipyridine)], octanuclear [Mo8O24(4,4'-di-tert-butyl-2,2'-bipyridine)(4)], and the pyridinium beta-octamolybdates (LH)(4)[Mo8O26] for L = pyridine or 4-tert-butylpyridine.
Original languageUnknown
Pages (from-to)1218-1224
JournalCatalysis Letters
Volume142
Issue number10
DOIs
Publication statusPublished - 1 Jan 2012

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