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Volumn 129, Issue 28, 2007, Pages 8766-8773

Development, mechanism, and scope of the palladium-catalyzed enantioselective allene diboration

Author keywords

[No Author keywords available]

Indexed keywords

CATALYST ACTIVITY; COMPUTATION THEORY; ENANTIOSELECTIVITY; LIGANDS; OXIDATION; SUBSTRATES;

EID: 34548396841     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja070572k     Document Type: Article
Times cited : (146)

References (91)
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    • The same kinetic experiments with varied allene concentration show a slight inverse-order dependence on [allene, See the Supporting Information
    • The same kinetic experiments with varied allene concentration show a slight inverse-order dependence on [allene]. See the Supporting Information.
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    • Direct interconversion of 13 and 15 by rotation about the metal-allyl axis is generally discounted, see: Pfaltz, A.; Lautens, M. In Comprehensive Asymmetric Catalysis; Jacobsen, E. N., Pfaltz, A., Yamamoto, H., Eds.; Springer-Verlag, Berlin, 1999; 2, pp 838-839. Consistent with this, we have computed barriers of 19.4 and 29.4 kcal/mol, depending upon the direction of rotation.
    • Direct interconversion of 13 and 15 by rotation about the metal-allyl axis is generally discounted, see: Pfaltz, A.; Lautens, M. In Comprehensive Asymmetric Catalysis; Jacobsen, E. N., Pfaltz, A., Yamamoto, H., Eds.; Springer-Verlag, Berlin, 1999; Vol. 2, pp 838-839. Consistent with this, we have computed barriers of 19.4 and 29.4 kcal/mol, depending upon the direction of rotation.


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