fac-[RuCl3(no)(dppb)] (I) and mer-[RuCl3(NO)(diop)] (II) complexes: Syntheses, characterization and x-ray structures

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Von Poelhsitz, Gustavo [UNESP]
De Araujo, Màrcio Perez [UNESP]
De Oliveira, Luiz Antonio Andrade [UNESP]
Queiroz, Salete Linhares
Ellena, Javier
Castellano, Eduardo Ernesto
Ferreira, Antonio Gilberto
Batista, Alzir Azovedo [UNESP]

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The fac-[RuCl3(NO)(dppb)] complex I has been prepared from solution of the correspondent mer isomer in refluxing methanol (dppb = 1,4-bis(diphenylphosphino)butane). The mer-[RuCl3(NO)(diop)] (II) has been obtained from the mer-[RuCl3(diop)(H2O)] by bubbling NO for 1 h in dichloromethane (diop = 2S,3S-O-isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane). The complexes have been characterized by microanalysis, cyclic voltammetry (CV), IR and 31P{1H} NMR spectroscopies. The crystal and molecular structures of these two compounds have been determined from X-ray studies. The mer-[RuCl3(NO)(dppb)] isomer III was characterized in solution by NMR spectra (31P{1H}, 1H{31P}, 31P-1H HETCORR, COSY 1H-1H, HMQC 1H-13C and HMBC 1H-13C). © 2002 Elsevier Science Ltd. All rights reserved.



Diop, Dppb, Nitrosyl complexes, NMR spectra, Ruthenium(II), X-ray structures, isopropylidene 2,3 dihydroxy 1,4 bis(diphenylphosphino)butane, metal complex, methanol 1,4 bis(diphenylphosphino)butane, ruthenium complex, unclassified drug, analytic method, catalysis, chemical analysis, complex formation, nuclear magnetic resonance, phase transition, structure analysis, synthesis, X ray analysis

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Polyhedron, v. 21, n. 22, p. 2221-2225, 2002.