New silica-immobilized chiral amino alcohol for the enantioselective addition of diethylzinc to benzaldehyde |
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| Authors: | Fraile José M Mayoral José A Serrano Jorge Pericàs Miquel A Solà Lluís Castellnou David |
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| Affiliation: | Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, Facultad de Ciencias, Universidad de Zaragoza-CSIC, E-50009 Zaragoza, Spain. |
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| Abstract: | [reaction: see text] A readily available chiral amino alcohol has been immobilized on silica by sol-gel synthesis and grafting. The solid prepared according to the latter method led to the best enantioselectivity (77% ee) described for the asymmetric addition of diethylzinc to benzaldehyde using inorganic solids. |
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