A Novel Polymer-Supported Scandium Catalyst Which Shows High Activity in Water |
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| Authors: | Nagayama Kobayashi |
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| Institution: | Graduate School of Pharmaceutical Sciences The University of Tokyo, CREST Japan Science and Technology Corporation (JST) Hongo, Bunkyo-ku, Tokyo, 113-0033 (Japan). |
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| Abstract: | Lewis acids in water on a polymer support (1) have been used, for the first time, as a catalyst. The organic solvent-free catalytic activity, first tested with allylation reactions with tetraallyltin, extended to other Lewis acid catalyzed reactions with a range of carbonyl compounds to afford the corresponding alcohol; reactions of aromatic, aliphatic, heterocyclic aldehydes and even ketones proceeded smoothly. Catalyst recovery was quantitative after simple filtration. |
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