Preparations, NMR spectra, and electrochemical properties of a (ferrocenylcarbonyl)palladium(II) complex and its derivatives with some chelate groups attached via two ligating nitrogen atoms.
スポンサーリンク
概要
- 論文の詳細を見る
Oxidative addition of (chloroformyl)ferrocene to [Pd(PPh<SUB>3</SUB>)<SUB>4</SUB>] yielded a stable acylpalladium(II) compound of [Pd(COFc)Cl(PPh<SUB>3</SUB>)<SUB>2</SUB>] (<B>1</B>), (Fc=ferrocenyl). Complex <B>1</B> was treated with alkali metal salts of poly(1-pyrazolyl)borates (H<I><SUB>n</SUB></I>BPz<SUB>4−<I>n</I></SUB>), (Pz=1-pyrazolyl) to give complexes [Pd(COFc)(H<I><SUB>n</SUB></I>BPz<SUB>4−<I>n</I></SUB>)(PPh<SUB>3</SUB>)], (<B>2</B>, <I>n</I>=0; <B>3</B>, <I>n</I>=1; and <B>4</B>, <I>n</I>=2), which retained the palladium-attached ferrocenylcarbonyl structure. Reaction of <B>1</B> with 1,10-phenanthroline (phen) afforded [Pd(COFc)Cl(phen)], whereas reaction with 2,2′-bipyridine gave [{Pd(COFc)Cl(PPh<SUB>3</SUB>)}<SUB>2</SUB>] as an isolable material. Transformation of the ferrocenylcarbonyl moiety took place to the ferrocenyl group on palladium, in chlorine-abstraction from <B>1</B> with AgClO<SUB>4</SUB>·H<SUB>2</SUB>O in CH<SUB>3</SUB>CN. In the temperature-dependent <SUP>1</SUP>H-NMR spectra, fluxional behavior was observed for the poly(1-pyrazolyl)borate groups in <B>2</B> and <B>3</B>. Electrochemical experiments were carried out for <B>1</B>–<B>4</B> in CH<SUB>3</SUB>CN using platinum working electrodes, and reversible one-electron redox-couples were detected, which were attributed to the process Fe(II)\rightleftarrowsFe(III) in the ferrocenyl moiety. Furthermore, electron-withdrawing effects of the [poly(1-pyrazolyl)borato]palladiocarbonyl moieties from the Fe centers were compared among these complexes, in relation to their redox potentials.
- 公益社団法人 日本化学会の論文
著者
-
Hiraki Katsuma
Department Of Applied Chemistry Faculty Of Engineering Nagasaki University
-
Onishi Masayoshi
Department Of Applied Chemistry Faculty Of Engineering Nagasaki University
-
Ishida Yasuhiro
Department Of Chemistry And Biotechnology Graduate School Of Engineering The University Of Tokyo
-
Uchibori Yuko
Department of Industrial Chemistry, Faculty of Engineering, Nagasaki University
-
Konda Hatsumi
Department of Industrial Chemistry, Faculty of Engineering, Nagasaki University
-
Ohama Yushichiro
Department of Industrial Chemistry, Faculty of Engineering, Nagasaki University
関連論文
- Influence of experimental loss of occlusal support on tongue movement during swallowing
- Viscoelastic properties of implants placed in bone augmented by guided bone regeneration
- Syntheses of New {Tetrakis(1-pyrazolyl)borato}samarium(III) Complexes and Their Temperature-Dependent Exchange Motions of All Pyrazolyl Groups
- Novel Dihydridoruthenium(II) Complexes with Chelating Diphosphine Ligands, RuH_2(CO)(diphosphine)(PPh_3)(diphosphine = dppe, dppp, dppb, and dppf)
- Efficacy of Glimepiride in Patients with Poorly Controlled Insulin-treated Type 2 Diabetes Mellitus
- Syntheses and Structures of Mono- and Dinuclear Platinum Complexes of Pyrimidine-2-thiolate and Its 4-Methyl and 4, 6-Dimethyl Derivatives
- NO Insertion Reaction of Ethyl(nitrosyl)ruthenium Complex Having Hydrotris(pyrazolyl)borate and Conversion to Acetaldoxime and Acetonitrile Complexes
- Unusual Demethylation of O,O'-Dimethyl Chlorothiophosphate with Aryllithiums
- Pyrazolato- and 3,5-Dimethylpyrazolato-Bridged Dinuclear Platinum(II), Palladium(II), and Their Mixed-Metal Complexes of 2,2'-Bipyrimidine. Syntheses, Structures, and Luminescent Properties
- Unusual Formation of Cyclometallated C, H-trans-Hydridoruthenium(II)Complexes and Their Isomerization into C, H-cis-Types
- Formation of Di- and Tricarbonylruthenium(0) Species from [RuH_2(CO)(PPh_3)_3] Via Decarbonylation of Methyl Benzoates: X-Ray Crystal Structures of [Ru(CO)_2(PPh_3)_3] and [Ru(0_2)(CO)_2 (PPh_3)_2]
- Photoassisted Dehydrogenation of 2-Propanol in the Liquid Phase with Hydrido (phosphonite) cobalt (I)
- Synthesis, Properties and Structural Characterization of [SmC1 (BHpz_3)_2(Hpz)] (pz=1-pyrazolyl group)
- Novel Reversible Chlorine-Gas Uptake and Release System with Bis(polypyrazolylborato)ruthenium(II)in the Solid State
- An NMR Study on The Ruthenium Complex-Catalyzed C-H/Olefin Coupling Reaction
- New Types of Coupling Reactions of Some Nitriles on Ruthenium Complexes
- Electrochemical Influence of Tridentate Polypyrazolyiborate Ligands: Syntheses and Electrochamistry of Bis (η^3-polypyrazolylborato) ruthenium(II) Complexes
- New palladium(II) carbene complexes containing a cyclometallated aryl group.
- Preparation and reactivities of phenylethynyl[1,1,1-tris(diphenylphosphinomethyl)ethane]copper(I) complex.
- Preparations and characterization of some carbonyl-(1-cyanoethyl)ruthenium(II) complexes.
- Palladium catalyzed direct oxidation of benzene with molecular oxygen to phenol.
- Metallation of aliphatic carbon atoms. IV Syntheses and characterization of the cyclopalladated complexes of 2-t-butylbenzothiazole.
- Chemical reactivities of coordinatively unsaturated hydridotris(phosphonite)-cobalt(I) species photogenerated towards allylic and related compounds.
- Preparations, NMR spectra, and electrochemical properties of a (ferrocenylcarbonyl)palladium(II) complex and its derivatives with some chelate groups attached via two ligating nitrogen atoms.
- Activation of aromatic carbon-hydrogen bonds by palladium(II) acetate-dialkyl sulfide systems. Formation and characterization of novel diphenyltripalladium(II) complexes.
- Preparations and characterization of cyclopalladated complexes of 1-ethyl-2-phenylimidazole.