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|Title:||Pd (II)-promoted base hydrolysis of 2-cyano-1,10-phenanthroline|
Mahjoub, A R
|Abstract:||Pd (II)-promoted base hydrolysis of 2-cyano-1,10-phenanthroline has been studied. The reaction is first order each in metal-substrate complex and in hydroxide ion. The second order rate constant for Pd (II)-catalysis process is more than 105 that for alkaline hydrolysis in the absence of nickel ion. The mechanistic studies of this reaction are very interesting and give some result in spite of the nickel ion catalysing mechanism. The entire acceleration is accounted for by decreasing the ΔH#. The mechanism of metal-catalysed addition to the nitrile involves one step external attack rather than the attack of nucleophile from the metal coordination sphere.|
|Appears in Collections:||IJC-B Vol.40B(07) [July 2001]|
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