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- W2154299624 abstract "The kinetics and mechanism of the addition of benzylamines to β-nitrostyrenes in acetonitrile at 25.0 °C have been investigated. The addition reaction proceeds by two pathways, uncatalyzed (k2) and catalyzed (k3) paths. The kinetic isotope effects (kH/kD) involving deuterated benzylamine nucleophiles support the proposal that proton transfer from the amine to the β-carbon occurs concurrently with addition of the amine to the α-carbon. The transition state is predicted to have four- (I) and six-membered (II) cyclic structures for the k2 and k3 paths, respectively, with a tighter and more rigid structure for the uncatalyzed process. The cross-interaction constants, ρXY, are negative (−0.90 and −0.54 when the fall-off factor is taken into account) and the magnitude is larger for the uncatalyzed path than for the normal backside attack SN2 reaction of benzyl derivatives with anilines (−0.6 to −0.8)." @default.
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- W2154299624 date "2000-01-01" @default.
- W2154299624 modified "2023-09-24" @default.
- W2154299624 title "Kinetics and mechanism of the addition of benzylamines to β-nitrostyrenes in acetonitrile" @default.
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- W2154299624 doi "https://doi.org/10.1039/a906639j" @default.
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