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Shoair, Abdel-Ghany F. Korean Chemical Society 2005 Bulletin of the Korean Chemical Society Vol.26 No.10
The synthesis and characterization of ${K_3[Ru(C_2O_4)3]{\cdot}4H_2O\;(C_2O_4}^{2-}$ = oxalato anoin) complex are described, and its redox properties (in buffer solution of pH = 12) have been investigated. This complex is used for in situ generation of oxoruthenates complexes which have been characterized by electronic spectroscopy. Reaction of ${K_3[Ru(C_2O_4)3]{\cdot}4H_2O$ with excess ${S_2O_8}^{2-}$ in molar KOH generates trans-${[RuO_3(OH)_2]^{2-}/S_2O_8}^{2-}$ reagent while with excess ${BrO_3}^-$ in molar $Na_2CO_3$ generates ${[RuO_4]^-/BrO_3}^-$ reagent. Avoiding the direct use of [$RuO_4$] the organic-soluble $(n-Pr_4N)^+[RuO_4]^-$, (TPAP) has been isolated by reaction of $K_3[Ru(C_2O_4)3]{\cdot}4H_2O$ with excess ${BrO_3}^-$ in molar carbonate and n-$Pr_4$NOH. In a mixture of $H_2O/CCl_4$ ruthenium tetraoxide can be generated by reaction of $K_3[Ru(C_2O_4)3]{\cdot}4H_2O$ with excess ${IO_4}^-$. The catalytic activities of oxoruthenates that have been made from $K_3[Ru(C_2O_4)3]{\cdot}4H_2O$ towards the oxidation of benzyl alcohol, piperonyl alcohol, benzaldehyde and benzyl amine at room temperature have been studied.
Abdel-Ghany F. Shoair 대한화학회 2005 Bulletin of the Korean Chemical Society Vol.26 No.10
The synthesis and characterization of K3[Ru(C2O4)3]•4H2O (C2O42 = oxalato anoin) complex are described, and its redox properties (in buffer solution of pH = 12) have been investigated. This complex is used for in situ generation of oxoruthenates complexes which have been characterized by electronic spectroscopy. Reaction of K3[Ru(C2O4)3]•4H2O with excess S2O82 in molar KOH generates trans-[RuO3(OH)2]2/S2O82 reagent while with excess BrO3 in molar Na2CO3 generates [RuO4]/BrO3 reagent. Avoiding the direct use of [RuO4] the organic-soluble (n-Pr4N)+[RuO4], (TPAP) has been isolated by reaction of K3[Ru(C2O4)3]•4H2O with excess BrO3 in molar carbonate and n-Pr4NOH. In a mixture of H2O/CCl4 ruthenium tetraoxide can be generated by reaction of K3[Ru(C2O4)3]•4H2O with excess IO4. The catalytic activities of oxoruthenates that have been made from K3[Ru(C2O4)3]•4H2O towards the oxidation of benzyl alcohol, piperonyl alcohol, benzaldehyde and benzyl amine at room temperature have been studied.