An ONIOM study on the enantioselective Diels-Alder reaction catalyzed by SiO2 - Immobilized chiral oxazaborolidinium cation
The mechanism and enantioselectivity of the Diels-Alder reaction between 2-methyl-1,3-butadiene and 2,3-dimethyl-1,4-benzoquinone catalyzed by SiO2-supported chiral cationic oxazaborolidinium catalyst were investigated by the hybrid ONIOM(B3LYP/6-31G(d):UFF) method. The amorphous silica bulk was obt...
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Format: | Article |
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Elsevier
2010
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Subjects: | |
Online Access: | http://eprints.um.edu.my/11881/ |