Diffuse Reflectance Infrared Spectroscopic Studies Of Aromatic Ketones Included In Silicalite

H. L. Casal; P. W. Yang

doi:10.1117/12.970917

20 December 1985 Diffuse Reflectance Infrared Spectroscopic Studies Of Aromatic Ketones Included In Silicalite

H. L. Casal, P. W. Yang

Proceedings Volume 0553, Fourier and Computerized Infrared Spectroscopy; (1985) https://doi.org/10.1117/12.970917
Event: 1985 International Conference on Fourier and Computerized Infrared Spectroscopy, 1985, Ottawa, Canada

Abstract

Diffuse reflectance (DR) infrared spectra of aromatic ketones included in the channel system of the hydrophobic zeolite silicalite have been obtained. These spectra reveal the existence of multiple inclusion and/or adsorption sites available in accord with previous NMR, crystallographic and photophysical studies. Photochemical reduction of included dibenzyl-ketone has been followed by in situ UV photolysis. Formation of products can thus be followed as the reaction proceeds with no need of chemical extraction. Comparison with the spectra obtained using silica gel as support has shown that the dibenzyl molecules included in the channel system are more reactive that surface-adsorbed species.

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H. L. Casal and P. W. Yang "Diffuse Reflectance Infrared Spectroscopic Studies Of Aromatic Ketones Included In Silicalite", Proc. SPIE 0553, Fourier and Computerized Infrared Spectroscopy, (20 December 1985); https://doi.org/10.1117/12.970917

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