Reactions of the bis(.BETA.-diketonato)palladium(II) complexes with various nitrogen bases.

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概要

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• Reactions of the bis(β-diketonato)palladium(II) complexes with various nitrogen bases (L) afforded [Pd(β-dik)L<SUB>2</SUB>](β-dik), [PdL<SUB>4</SUB>](β-dik)<SUB>2</SUB>, or [Pd(β-dik)(β-dik-<I>C</I>)L] according to the natures of L and β-diketonate anions. Less basic ligands such as 1,1,1,5,5,5-hexafluoro- and 1,1,1-trifluoro-2,4-pentanedionates are readily removed by L to the outer sphere. Tendency of preferring the central-carbon-bonded state of the β-diketonate anion is related with the keto-favoring nature of its conjugate acid. Excess primary amines and pyridines can displace both of the β-diketonate ligands but secondary amines only one. These two types of compounds containing the 2,4-pentanedionate anion in the outer sphere undergo prompt deuteration of methine and amine protons by CDCl<SUB>3</SUB>. Tribenzylamine and 2,6-diphenylpyridine react with bis(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato)palladium(II) to afford orthometallated products.

• 公益社団法人 日本化学会の論文

著者

• Okeya Seichi

  Faculty Of Education Wakayama University

• Nakamura Yukio

  Faculty Of Science Osaka City University

• Kawaguchi Shinichi

  Faculty of Science Osaka City University

• Sazaki Hiroyuki

  Faculty of Education, Wakayama University

• Ogita Michiyo

  Faculty of Education, Wakayama University

• Takemoto Takako

  Faculty of Education, Wakayama University

• Onuki Yukio

  Faculty of Science, Osaka City University

• Mohapatra B.

  Faculty of Education, Wakayama University

関連論文

• Syntheses and Structure of New Dinuclear Palladium(II)Complexes with 1, 1, 2, 2-Tetraacetylethanate and β-Diketonate
• C=S Bond Fission in Coordinated Thioureas and Formation of a Sulfide-bridged Dinuclear Pd(II) Complex
• Novel Bis(triphenylphosphine)platinum(II) Complexes Containing a Thiourea or a 1,3-Diethylthiourea Dianion as an N,S-Chelating Ligand
• First Transition Metal Complex of 1, 8-Bis(dimethylamino)naphthalene (proton sponge)
• Facile Formation and Dissociation Behaviour of C - C Bond Resulted from the Nucleophilic Attack of Carbanions on a Carbonyl Carbon in [Pt(hfac)_2]
• Facile P-C Bond Cleavage in Bis (diphenylphosphino)methane with the Formation of New Pt(II) P, S-Chelates Containing a P-N Bond
• The isolation,characterization,and isomerization of cis- and trans-bis(benzonitrile)dichloroplatinum(II).
• Brown Nitrosylpentamminechromium(III) Salts and Green Nitrosylpentamminechromium(III) Perchlorate
• Five-coordinate bis(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato)(tertiary phosphine)palladium(II) and -platinum(II) complexes. X-ray crystal and molecular structures and fluxional motions in solution.
• Reactions of the bis(.BETA.-diketonato)palladium(II) complexes with various nitrogen bases.
• The crystal and molecular structure of (Pd(tfac)(tfac-O){P(o-tolyl)3}) containing an O-unidentate 1,1,1-trifluoro-2,4-pentanedionate anion as a ligand.
• Reactions of the bis(.BETA.-diketonato)platinum(II) complexes with various nitrogen bases.
• Kinetic studies of the hydrolysis of diketene catalyzed by the chloropalladium(II) complex.
• Palladium(II) complexes containing both the chelating .BETA.-diketonato and .SIGMA.-pyridyl ligands. Catalyzed coordination-site exchange reactions.
• Some palladium(II) complexes containing both the O-unidentate .BETA.-diketonato and 2-,3-, or 4-pyridyl ligands. Dynamic behaviors of trans-(Pd(.BETA.-dik-O)(C5H3(6-Cl)N-C2)(PEt3)2) in solution.
• Di- and trinuclear metal complexes containing a .BETA.-diketonate dianion as a bridging ligand.
• Dinuclear palladium(II) complexes containing anilide anions as bridging ligands.
• Bis(.BETA.-diketonato)-palladium(II) and -platinum(II) complexes.
• .ETA.3-2,4-Pentanedionato(2-) and terminal-carbon-bonded .BETA.-diketonato complexes of platinum(II)
• C,O-chelates of the trifluoroacetylacetonate dianion with palladium(II). Molecular structure of (Pd(tfac(2-)-C,O)(PPh3)(2,6-Me2-py))

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