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http://purl.org/purl/2263
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Title: | Effect of pore size on the catalytic activities of K-I 0 clay and H-zeolites for the acetalization of ketones with methanol |
Authors: | Bejoy, Thomas Prathapan,S Sugunan, S Science |
Keywords: | Acetalization Clays Diffusional properties Dimethylacetal Molecular size effect Zeolites |
Issue Date: | 2004 |
Publisher: | Elsevier |
Abstract: | One-pot acetalizations of cyclohexanone. acetophenone and benzophenone were carried out using methanol over H-montmorillonite clay
(a mesoporous material). silica, alumina, and different zeolites such as HFAU-Y.HBeta, H-ZSM-5, and H-mordenite. In all the cases a single
product-the corresponding dimethylacetal-was obtained in high yields. Hemiacetal formation was not observed with any catalyst. A
comparison of catalytic activity indicated that montmorillonite K-10 is the most active catalyst for the reaction. As evidenced by the reaction
time studies, the catalyst decay is greater over the zeolite catalyst than over the clay. |
URI: | http://dyuthi.cusat.ac.in/purl/2263 |
Appears in Collections: | Dr. Sugunan S
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