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Title: Sodium ruthenate catalysis in the oxidation of substituted benzyl alcohols by hexacyanoferrate(III)
Authors: Lalitha, T Venkata
Rao, M Prasad
Sethuram, B
Issue Date: Jun-1992
Publisher: NISCAIR-CSIR, India
Abstract: Ru(VI) catalysis in the oxidation of benzyl alcohol and its monosubstituted analogues by hexacyanoferrate(III) [Fe(III)]in t-butanol (25%, v/v) in alkaline medium has been studied. The reaction is first order in [Ru(VI)], fractional order in [alcohol] and zero order each in [Fe(III)], [base] and [t - butanol]. The primary kinetic isotopic effect (kH/kD) is 4.12 at 298 K. The solvent isotopic effect (k/k) is 0.948 at 298 K. The reaction exhibits a reaction constant ρ of - 0.540 at 298 K. A mechanism involving the transfer of a hydride ion to the oxidant is suggested. The activation enthalpies and entropies are linearly related.
Page(s): 309-312
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.31A(06) [June 1992]

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