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Radical amine-boryl

Enantioselective hydrogen atom abstraction by chiral amine boryl radical 83 allows for kinetic resolution of racemic ester 84. In the specific example illustrated in Eq. (23), the enantioselectivity of the residual enantiomer of the substrate reached 74% (/ ,/ ). It is postulated that a transition state as shown in 86 could account for the asymmetric hydrogen atom abstraction. [Pg.477]

Additional examples of reagent-based enantioselection involve the enantioselective hydrogen atom abstraction by chiral amine-boryl [37] or silanethiyl radicals... [Pg.476]

See other pages where Radical amine-boryl is mentioned: [Pg.111]    [Pg.135]    [Pg.100]    [Pg.124]    [Pg.476]    [Pg.25]    [Pg.111]    [Pg.135]    [Pg.100]    [Pg.124]    [Pg.476]    [Pg.25]    [Pg.98]    [Pg.24]   
See also in sourсe #XX -- [ Pg.476 ]



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