A single transition-state in the transfer of the methoxycarbonyl group between isoquinoline and substituted pyridines in aqueous solution

1987 ◽  
Vol 109 (10) ◽  
pp. 3040-3046 ◽  
Author(s):  
Edwin Chrystiuk ◽  
Andrew Williams
Keyword(s):  
Aqueous Solution ◽  
Transition State ◽  
Methoxycarbonyl Group ◽  
Substituted Pyridines ◽  
Single Transition

A single transition state in the reaction of aryl diphenylphosphinate esters with phenolate ions in aqueous solution

1988 ◽  
Vol 110 (6) ◽  
pp. 1890-1895 ◽  
Author(s):  
Nicholas. Bourne ◽  
Edwin. Chrystiuk ◽  
Andrew M. Davis ◽  
Andrew. Williams
Keyword(s):  
Aqueous Solution ◽  
Transition State ◽  
Single Transition

Ligand substitution at five-coordinate copper(II) centres by cyanate, chloride and bromide ions

1980 ◽  
Vol 33 (6) ◽  
pp. 1381 ◽  
Author(s):  
JH Coates ◽  
PR Collins ◽  
SF Lincoln
Keyword(s):  
Aqueous Solution ◽  
Transition State ◽  
Ligand Substitution ◽  
Aqua Ligand ◽  
Stopped Flow ◽  
Bromide Ions ◽  
Ethyl Amine ◽  
Ligand Bond

The substitution of the aqua[tris{2-(dimethylamino)ethyl}amine]copper(II) ion by cyanate, chloride and bromide ions has been studied in aqueous solution by static and stopped-flow spectrophoto-metric techniques. This process is unusually slow for ligand substitution at a copper(II) centre and appears to proceed through an interchange mechanism in which the copper(II)-aqua ligand bond makes a major contribution to the transition state energetics.

ChemInform Abstract: Polarizability Effects on the Aqueous Solution Basicity of Substituted Pyridines.

ChemInform ◽  
1988 ◽  
Vol 19 (37) ◽  
Author(s):  
J. L. M. ABBOUD ◽  
J. CATALAN ◽  
J. ELGUERO ◽  
R. W. TAFT
Keyword(s):  
Aqueous Solution ◽  
Substituted Pyridines
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