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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 13, Number 3
BKCSDE 13(3)
March 20, 1992

Title	Synthesis and Catalytic Properties of Ruthenium(Ⅲ) Unsymmetrical Schiff Base Complexes
Author	Hwhan-Jin Yeo*, Jong-Wan Lim
Keywords
Abstract	Ruthenium(Ⅲ) unsymmetrical Schiff base complexes, [Ru(CHBPH-TP)Cl2] and K[Ru(CHBPH-HB)Cl2] were synthesized, where CHBPH-TP and CHBPH-HB are 5-chloro-2-hydroxybenzophenonethiophencarba aldehydephenylenediimine and 5-chloro-2-hydroxybenzophenonehydroxybenzophe nonephenylenediimine. These Schiff bases were obtained from the reactions of 5-chloro-2-hydroxybenzophenone (CHB) and 2-thiophenecarbaldehyde (TP) or hyroxybenzophenone (HB) and 1,2-diaminobenzene. Elemental analysis, conductivity and infrared studies of the complexes suggest an octahedral geometry around ruthenium. Magnetic moments of the complexes indicate a single unpaired electron in alow spin d5 configuration. The complexes are capable of catalyzing the oxidation of styrene with sodium hypochlorite in the presence of phase transfer agent. Oxidative cleavage of C=C bond is the major reaction pathway to form benzaldehyde for styrene oxidation.
Page	265 - 268
Full Text	PDF

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