Mechanism in Organic Chemistry |
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Page 52
... catalysis will be surveyed and then one important special case of electrophilic - nucleophilic catalysis , i.e. acid - base catalysis , will be examined in more detail . Intramolecular catalyses , that is , cases where the catalyst is ...
... catalysis will be surveyed and then one important special case of electrophilic - nucleophilic catalysis , i.e. acid - base catalysis , will be examined in more detail . Intramolecular catalyses , that is , cases where the catalyst is ...
Page 67
... catalysis ) from aryl acetates derived from fairly acidic phenols , such as p - nitrophenol , but not from phenyl acetate itself . The weak catalysis observed in this case is probably general base catalysis . We may point out , in ...
... catalysis ) from aryl acetates derived from fairly acidic phenols , such as p - nitrophenol , but not from phenyl acetate itself . The weak catalysis observed in this case is probably general base catalysis . We may point out , in ...
Page 69
... catalysis.95 Bifunctional catalysis or push - pull catalysis might play its part in enzymic catalysis ( see page 70 ) . Intramolecular Catalysis Chemists have long been intrigued by unusually rapid reaction at one site in a molecule ...
... catalysis.95 Bifunctional catalysis or push - pull catalysis might play its part in enzymic catalysis ( see page 70 ) . Intramolecular Catalysis Chemists have long been intrigued by unusually rapid reaction at one site in a molecule ...
Contents
MECHANISM AND REACTIVITY | 1 |
Energies of Transition States | 11 |
Isotope Effects | 16 |
Copyright | |
34 other sections not shown
Common terms and phrases
acetic acetone acid addition allyl Amer anion aprotic solvents aqueous attack base bromide butadiene carbanion carbon atom carbonium ion catalysis cation Chem chemistry chloride compounds concerted conjugate correlation cycloaddition cyclobutene cyclopropane derivatives deuterium electrons electrophilic elimination reactions energy equation equilibrium ester ethanol EtOH example exchange factor favoured Figure formation formed free-energy free-energy relationships free-radical ground-state H H H H. C. Brown H₂O halides hydrogen hydrogen-bonding hydrolysis increase interactions intermediate inversion involved iodide ion-pair ionization isotope effect k₂ kcal kcal mole-¹ kinetic leaving group mechanism MeOH methyl methylene molecule non-bonded nucleophilic observed occur olefin optically active orbital oxygen Ph Ph phenyl polar proton proton-transfer racemization radical rate constant rate-determining ratio react reactants reaction rate reactivity reagent rearrangement relative ring SN2 reaction sodium solution solvation solvolysis sp² stability stereochemical steric steric effects structure studied substituent substitution substrate syn-elimination t-butyl Tetrahedron tosylate transition-state Winstein