Ionic Crystals [M3O(OOCC6H5)6(H2O)3]4[␣-SiW12O40] (M = Cr, Fe) as Heterogeneous Catalysts for Pinacol Rearrangement

Uchida, Sayaka and Lesbani, Aldes and Ogasawara, Yoshiyuki and Mizuno, Noritaka Ionic Crystals [M3O(OOCC6H5)6(H2O)3]4[␣-SiW12O40] (M = Cr, Fe) as Heterogeneous Catalysts for Pinacol Rearrangement. Inorganic Chemistry.

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    Abstract

    Complexation of trinuclear oxo-centered carboxylates with a silicododecatungstate resulted in the formation of ionic crystals of [M3O- (OOCC6H5)6(H2O)3]4[␣-SiW12O40]·nH2O·mCH3C- OCH3 [M = Cr (Ia), Fe (IIa)]. Treatments of Ia and IIa at 373 K in vacuo formed guest-free phases Ib and IIb, respectively. Compounds Ib and IIb heterogeneously catalyzed the pinacol rearrangement to pinacolone with high conversion at 373 K, and the catalysis is suggested to proceed size selectively in the solid bulk.

    Item Type: Article
    Subjects: Q Science > QD Chemistry
    Divisions: Faculty of Mathematics and Natural Sciences > Department of Chemistry
    Depositing User: Mr Aldes Lesbani
    Date Deposited: 08 Oct 2014 11:26
    Last Modified: 08 Oct 2014 11:26
    URI: http://eprints.unsri.ac.id/id/eprint/4765

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