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Coordination Chemistry of Pd(II) Complexes with P-Donor Ligands: An Introduction to Synthesis and Structural Characterization in Coordination Chemistry
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Abstract
The synthesis and complete characterization of a family of Pd(II) complexes containing two or more Pd-P bonds as a laboratory experiment on coordination chemistry is reported. The practical work involves the synthesis of the dinuclear starting compound [Pd(µ-Cl)(PPh3)2]2 (BF4)2 (1) and its reactivity. Selected reactions have been chosen in order to introduce to the student some common concepts and skills in coordination chemistry, such as the substitution of weakly coordinated ligands, the chelate effect, and the generation of coordinatively unsaturated species, between others. These reactions allow the synthesis of some mononuclear complexes, such as [PdCl(PPh3)3](BF4) (2), [PdCl(PPh2CH2PPh2-P,P')(PPh3)](BF4) (3), [Pd(acac-O,O')(PPh3)2](BF4) (4) and [Pd(PPh2CH2PPh2-P,P')(PPh3)2](BF4)2 (5), which are characterized by spectroscopic (IR, NMR) and other physical methods (molar conductance in solution).
Keywords (Audience):
Second-Year UndergraduateKeywords (Domain):
Laboratory InstructionKeywords (Pedagogy):
Hands-On Learning / ManipulativesKeywords (Subject):
Coordination CompoundsCiting Articles
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This article has been cited by 4 ACS Journal articles (4 most recent appear below).
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Introduction to Homogeneous Catalysis: Carbon-Carbon Bond Formation Catalyzed by a Defined Palladium Complex
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Wolfgang A. Herrmann , Volker P. W. Böhm and Claus-Peter ReisingerJournal of Chemical Education2000 77 (1), 92In this laboratory experiment students synthesize a phosphine ligand, P(o-tol)3, and with it the corresponding cyclometallated Pd(II) complex. This complex is an extremely active (pre)catalyst for C-C-bond-forming reactions (e.g. the Heck vinylation or ...
Synthesis and Structure of PdII Complexes Containing the C,C-Chelating Bis-Ylide Ligand [Ph3P
C(H)]2CO. X-ray Crystal Structure of {Pd(μ-Cl){[C(H)PPh3]2CO}}2(ClO4)2·CH2Cl2Larry R. Falvello, Susana Fernández, Rafael Navarro, Angel Rueda, and Esteban P. UrriolabeitiaInorganic Chemistry1998 37 (23), 6007-6013Synthesis and Structure of PdII Complexes Containing the C,C-Chelating Bis-Ylide Ligand [Ph3P
C(H)]2CO. X-ray Crystal Structure of {Pd(μ-Cl){[C(H)PPh3]2CO}}2(ClO4)2·CH2Cl2Larry R. Falvello, Susana Fernández, Rafael Navarro, Angel Rueda, and Esteban P. UrriolabeitiaInorganic Chemistry1998 37 (23), 6007-6013New mononuclear and dinuclear complexes of palladium(II) with the bis-ylide ligand [Ph3PC(H)]2CO have been synthesized. The use of this ligand has no precedents in palladium chemistry. In all cases studied, the bis-ylide acts as a C,C-chelating ligand. ...
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- Received: August 03, 2009
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