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Kinetic studies of specific solvent effect on the thermal isomerization of palladium dithizonate in toluene‐alcohol mixtures
Author(s) -
Sueishi Yoshimi,
Takashima Yoko,
Yamamoto Shunzo
Publication year - 2000
Publication title -
international journal of chemical kinetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.341
H-Index - 68
eISSN - 1097-4601
pISSN - 0538-8066
DOI - 10.1002/1097-4601(2000)32:9<542::aid-kin4>3.0.co;2-9
Subject(s) - chemistry , isomerization , toluene , palladium , solvent , kinetics , reaction rate constant , mole fraction , alcohol , photochemistry , organic chemistry , catalysis , physics , quantum mechanics
The kinetics of the thermal isomerization of palladium dithizonate (Pd(HD Z ) 2 ) in the binary mixture of toluene and alcohols has been studied. In the solvent effects on the Pd(HD Z ) 2 isomerization rates, we found that the maximum lies in the range x = 0.02 ∼ 0.2 ( x represents the mole fraction of alcohols). The experimental kinetic data for the specific solvent effect with maximum can be reproduced well by taking into account hydrogen bonding and coordination of alcohols with Pd(HD Z ) 2 . The rate constants for the thermal isomerization of Pd(HD Z ) 2 involving hydrogen bonding and the coordinate interaction with 1‐butanol are evaluated. © 2000 John Wiley & Sons, Inc. Int J Chem Kinet 32: 542–547, 2000