Quarterly Journal of the Chemical Society of London, Volume 6 |
From inside the book
Results 1-3 of 82
Page 1098
... less rapidly than the difference in hyperfine splitting constants , expressed in frequency units , between the B- and y - protons in each case , i.e. at less than ca. 3 x 107 sec . - 1 . However , the intercon- version , at least of the ...
... less rapidly than the difference in hyperfine splitting constants , expressed in frequency units , between the B- and y - protons in each case , i.e. at less than ca. 3 x 107 sec . - 1 . However , the intercon- version , at least of the ...
Page 1177
... less reactive than monoester monoanions , less reactive also than dianions with good leaving groups , and are not more than one or two orders of magnitude more reactive even than diesters , with aryloxide leaving groups . The hydrolysis ...
... less reactive than monoester monoanions , less reactive also than dianions with good leaving groups , and are not more than one or two orders of magnitude more reactive even than diesters , with aryloxide leaving groups . The hydrolysis ...
Page 1197
... less progressed transfer of the proton to the base in the transition state . Even if caution is used in interpreting isotope effects in terms of transition - state geometries , 11,12 and because tunnelling may be more important with the ...
... less progressed transfer of the proton to the base in the transition state . Even if caution is used in interpreting isotope effects in terms of transition - state geometries , 11,12 and because tunnelling may be more important with the ...
Contents
ISCHA 013 | 1034 |
Physical organic chemistry | 1035 |
Studies of the reactions of the anhydrosulphites of ahydroxycarboxylic acids Part IV Steric | 1044 |
24 other sections not shown
Other editions - View all
Common terms and phrases
absorption acetic acid activation added addition alcohol Amer amine anhydrosulphite anion appears aqueous aromatic assigned atom attack bands base benzene bond buffer calculated carbon carbon tetrachloride Chem chloride compared compounds concentration conformation containing corresponding decomposition derived described determined discussed effect electron energy equation ester ether evidence excess expected experimental experiments factors Figure followed formation formed further gave give given hydrogen hydrolysis increase indicate interaction involving kinetic less measured mechanism method methyl MICHIGAN mixture molecular molecules nitrogen nucleophilic observed obtained occurs organic oxidation phenyl phosphate plot position possible prepared presence proton pyridine radical radical anion rate constants ratio reaction reactivity reduction relative reported requires respectively ring showed shown similar sodium solution solvent spectra spectrum splitting structure studied substituent suggested Table temperature transition University values yield