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Highly Selective Formation of tert-Butyl Hydroperoxide from the Reaction of Isobutane and O2 in a Zeolite under Visible Light (1996)

Blatter, Fritz ; Sun, Hai ; Frei, Heinz

Weinheim : Wiley-Blackwell

Chemistry - A European Journal 2 (1996), S. 385-389

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Details

ISSN: 0947-6539

Schlagwort(e): hydroperoxides ; isobutane ; oxygen ; photooxidations ; zeolites ; Chemistry ; General Chemistry

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: Isobutane and oxygen gas loaded into zeolite BaY react upon irradiation with green or blue light to yield tert-butyl hydroperoxide in a single-photon process. This was discovered when monitoring the reaction at room temperature in situ by FT-infrared spectroscopy. Selectivity was 98%, even upon conversion of more than half of the reactants loaded into the zeolite. Diffuse reflectance spectra revealed a visible absorption tail which originates from an isobutane · O2 collision complex. It is attributed to the isobutane · O2 contact charge-transfer absorption, whose onset is shifted from the UV into the visible region by the high electrostatic field of the zeolite.

Zusätzliches Material: 5 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/chem.19960020406

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