.alpha.-Diazomethyl- and bis(.alpha.-diazomethyl)palladium complexes. Preparation, crystal and molecular structures, and reactions

Shunichi. Murahashi; Yasuo. Kitani; Toru. Uno; Takahiro. Hosokawa; Kunio. Miki; Tadashi. Yonezawa; Nobutami. Kasai

doi:10.1021/om00133a027

The nature of the co-ordinate link. Part 11. Synthesis and phosphorus-31 nuclear magnetic resonance spectroscopy of platinum and palladium complexes containing side-bonded (E)-diphenyldiphosphene. X-Ray crystal and molecular structures of [Pd{(E)-PhPPPh}(Ph2PCH2CH2PPh2)] and [Pd{[(E)-PhPPPh][W(CO)5]2}(Ph2PCH2CH2PPh2)]

Journal of the Chemical Society Dalton Transactions ◽

10.1039/dt9840002237 ◽

1984 ◽

pp. 2237-2244 ◽

Cited By ~ 26

Author(s):

Joseph Chatt ◽

Peter B. Hitchcock ◽

Alan Pidcock ◽

Christopher P. Warrens ◽

Keith R. Dixon

Keyword(s):

Nuclear Magnetic Resonance ◽

Magnetic Resonance ◽

Magnetic Resonance Spectroscopy ◽

Nuclear Magnetic Resonance Spectroscopy ◽

Palladium Complexes ◽

Molecular Structures ◽

Resonance Spectroscopy ◽

X Ray ◽

Crystal And Molecular Structures ◽

Platinum And Palladium Complexes

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ChemInform Abstract: THE NATURE OF THE COORDINATE LINK. PART 11. SYNTHESIS AND PHOSPHORUS-31 NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY OF PLATINUM AND PALLADIUM COMPLEXES CONTAINING SIDE-BONDED (E)-DIPHENYLDIPHOSPHENE. X-RAY CRYSTAL AND MOLECULAR STRUCTURES

Chemischer Informationsdienst ◽

10.1002/chin.198504290 ◽

1985 ◽

Vol 16 (4) ◽

Author(s):

J. CHATT ◽

P. B. HITCHCOCK ◽

A. PIDCOCK ◽

C. P. WARRENS ◽

K. R. DIXON

Keyword(s):

Nuclear Magnetic Resonance ◽

Magnetic Resonance ◽

Magnetic Resonance Spectroscopy ◽

Nuclear Magnetic Resonance Spectroscopy ◽

Palladium Complexes ◽

Molecular Structures ◽

Resonance Spectroscopy ◽

X Ray ◽

Crystal And Molecular Structures ◽

Platinum And Palladium Complexes

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Synthesis and investigation of new cyclic haloamidinium salts

Zeitschrift für Naturforschung B ◽

10.1515/znb-2016-0011 ◽

2016 ◽

Vol 71 (6) ◽

pp. 667-676 ◽

Cited By ~ 1

Author(s):

Eduard Rais ◽

Ulrich Flörke ◽

René Wilhelm

Keyword(s):

Catalytic Activity ◽

Metal Complexes ◽

Catalytic Reaction ◽

Palladium Complexes ◽

Molecular Structures ◽

Cobalt Powder ◽

Crystal And Molecular Structures ◽

Metal Sources ◽

Synthetic Routes

AbstractThe presented work describes the synthesis of new six- and seven-membered haloamidinium salts and their reaction with different metals. The isolated metal complexes were tested in a catalytic reaction. Two different synthetic routes were applied to prepare five different salts. Chloroamidinium salts were very water-sensitive in comparison to their corresponding bromoamidinium salts. Hence, the preparation of the less sensitive bromoamidinium salts was higher prioritized. The formed salts were converted with metal sources to N-heterocyclic carbene (NHC) metal complexes through an oxidative insertion into the C–X bond. This type of formation is less examined for the synthesis of extended NHC metal complexes. Pd(PPh3)4 and cobalt powder were applied as metal sources, whereby two palladium complexes were isolated, characterized, and their crystal and molecular structures determined. The palladium complexes were investigated in the Suzuki-Miyaura reaction and showed promising catalytic activity.

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Palladium-Assisted Formation of Carbon−Carbon Bonds. 5.1Reactions of (o-Styrylaryl)palladium Complexes with Alkynes. Synthesis of Palladium Complexes with Highly Functionalized Indenyl Ligands. Crystal and Molecular Structures of (1-Benzyl-2,3-diphenyl-5,6,7-trimethoxyindenyl)- and (1-Benzyl-3-phenyl-5,6,7-trimethoxyindenyl)palladium(II) Complexes

Organometallics ◽

10.1021/om950847h ◽

1996 ◽

Vol 15 (5) ◽

pp. 1422-1426 ◽

Cited By ~ 20

Author(s):

José Vicente ◽

José-Antonio Abad ◽

Ralph Bergs ◽

Peter G. Jones ◽

M. Carmen Ramírez de Arellano

Keyword(s):

Palladium Complexes ◽

Molecular Structures ◽

Crystal And Molecular Structures ◽

Carbon Carbon Bonds ◽

Carbon Bonds

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Palladium-Assisted Formation of Carbon−Carbon Bonds. 7.1Reactions of (2,3,4-Trimethoxy-6-X-phenyl)palladium Complexes with Alkynes (X = C(O)NHBut) and Isocyanides (X = C(O)NHBut, C(O)Me, CHO): Crystal and Molecular Structures of [Pd{C6H{C(O)NHBut}-6-(OMe)3-2,3,4}(bpy)](CF3SO3), [Pd{C(CO2Me)C(CO2Me)C6H{C(O)NHBut}-6-(OMe)3-2,3,4)}- Cl(PPh3)], [Pd{C(NXy)C6H{C(O)NHBut}-6-(OMe)3-2,3,4}- (bpy)](CF3SO3), and the Ketenimine 2-(2,6-Dimethylphenyl)-1-(((2,6-dimethylphenyl)imino)- methylene)-5,6,7-trimethoxy-3-oxoisoindoline

Organometallics ◽

10.1021/om970426v ◽

1997 ◽

Vol 16 (21) ◽

pp. 4557-4566 ◽

Cited By ~ 37

Author(s):

José Vicente ◽

José-Antonio Abad ◽

Kenneth F. Shaw ◽

Juan Gil-Rubio ◽

M. Carmen Ramírez de Arellano ◽

...

Keyword(s):

Palladium Complexes ◽

Molecular Structures ◽

Crystal And Molecular Structures ◽

Carbon Carbon Bonds ◽

Carbon Bonds

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A Solvent-Dependent and Electrochemically Controlled Self-Assembling/Disassembling System

Collection of Czechoslovak Chemical Communications ◽

10.1135/cccc20031647 ◽

2003 ◽

Vol 68 (9) ◽

pp. 1647-1662 ◽

Cited By ~ 2

Author(s):

Valeria Amendola ◽

Massimo Boiocchi ◽

Yuri Diaz Fernandez ◽

Carlo Mangano ◽

Piersandro Pallavicini

Keyword(s):

Equilibrium Mixture ◽

Bidentate Ligand ◽

Molecular Structures ◽

The Self ◽

Molar Ratio ◽

Crystal And Molecular Structures ◽

Self Assembling ◽

Irreversible Oxidation ◽

Irreversible Reduction ◽

Metal Ligand

The bis-bidentate ligand R,S-1,2-diphenyl-N,N'-bis(2-quinolinemethylidene)ethane-1,2-diamine (ligand 4), containing two (iminomethyl)quinoline moieties separated by a cis-1,2-diphenylethylene spacer, forms stable complexes with both CuI and CuII. With CuII, the monomeric 1:1 complex [CuII(4)]2+ is obtained both in CH3CN and CH2Cl2. With CuI and overall 1:1 metal/ligand molar ratio, an equilibrium mixture is obtained in CH3CN, consisting of [CuI(4)2]+, [CuI2(4)2]2+ and [CuI2(4)(CH3CN)4]2+. The preponderant species is the two-metal one-ligand "open" complex [CuI2(4)(CH3CN)4]2+, in which each Cu+ cation is coordinated in a tetrahedral fashion by one (iminomethyl)quinoline unit and by two CH3CN molecules. Precipitation from the equilibrium mixture yields only crystals of [CuI2(4)(CH3CN)4](ClO4)2·2CH3CN, whose crystal and molecular structures have been determined. On the other hand, in the poorly coordinating CH2Cl2 solvent, only the dimeric helical [CuI2(4)2]2+ complex is obtained, when the overall metal/ligand 1:1 molar ratio is chosen. Addition of large quantities of acetonitrile to solutions of [CuI2(4)2]2+ in dichlorometane results in the formation of [CuI2(4)(CH3CN)4]2+, i.e. in the solvent-driven disassembling of the CuI helicate. While electrochemistry in CH3CN is poorly defined due to the presence of more than one CuI species, cyclic voltammetry experiments carried out in CH2Cl2 revealed a well defined behavior, with irreversible oxidation of [CuI2(4)2]2+ and irreversible reduction of [CuII(4)]2+ taking place at separate potentials (∆E ≈ 700 mV). Irreversibility and separation of the redox events are due to the self-assembling and disassembling processes following the reduction and oxidation, respectively.

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