Mechanism and Theory in Organic Chemistry |
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Page 527
... proton transfer PhCH2 + Na + PhCH2 Na * ( 6.7 ) from water or alcohols . Benzyl anion forms pairs with sodium ions with a rate constant of 1.5 × 1011M - 1 s - 1.21 Rates of reaction of the anions with proton donors were also determined ...
... proton transfer PhCH2 + Na + PhCH2 Na * ( 6.7 ) from water or alcohols . Benzyl anion forms pairs with sodium ions with a rate constant of 1.5 × 1011M - 1 s - 1.21 Rates of reaction of the anions with proton donors were also determined ...
Page 666
... Proton Transfer and Attack of Nucleophile Of the various alternatives outlined above , the one that appears to offer the most consistent explanation for acid - base catalyzed hydration is that proton transfer is concerted with addition ...
... Proton Transfer and Attack of Nucleophile Of the various alternatives outlined above , the one that appears to offer the most consistent explanation for acid - base catalyzed hydration is that proton transfer is concerted with addition ...
Page 676
... proton transfer , b → c , would be about the same as the free - energy change of the overall reaction , a ⇒ d . If these assumptions hold , all the arguments given above about a and ẞ hold . A disturbing problem with this ...
... proton transfer , b → c , would be about the same as the free - energy change of the overall reaction , a ⇒ d . If these assumptions hold , all the arguments given above about a and ẞ hold . A disturbing problem with this ...
Contents
THE COVALENT BOND | 1 |
Molecular Orbital Theory | 87 |
SOME FUNDAMENTALS OF PHYSICAL | 127 |
Copyright | |
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acetic acid-base acidity function addition alkene alkyl American Chemical Society anion Arnett aromatic atomic orbitals atoms base Brønsted C-X bond carbanion carbon carbonyl catalysis cation CH₂ CH3 CH3 charge Chem coefficients compounds configuration conjugate conjugate acid Copyright correlation delocalized diagram dissociation double bond electron electrophilic equilibrium constant example Figure free energy gas-phase H H H H₂O HOMO hydrogen interaction intermediate ion pair ionization isotope effect Jencks k₁ kcal kcal mol¹ kinetic kJ mol¯¹ leaving group LUMO mechanism methyl mol-¹ molecular orbitals molecule nucleophile occur Olah Organic Chemistry oxygen parameters phenyl Phys potential energy proton proton transfer racemic rate constant rate-determining ratio reactants reaction coordinate reactive rearrangement relative resonance ring Scheme Schleyer shown in Equation solution solvation solvent solvolysis stabilization steric Streitwieser structure substituents substitution substrate symmetry Table tion tosylate transition values vibrational Wiley Winstein York