2010
DOI: 10.1021/om900984t
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Bimetallic η61SCS- and PCP-Pincer Ruthenium Palladium Complexes: Synthesis, Structure, and Catalytic Activity

Abstract: The synthesis of η6,η1 SCS- and PCP-pincer ruthenium palladium complexes [3]+−[6]+ by direct η6-coordination of [Ru(C5R5)]+ (R = H or Me) to the arene ring of η1-palladated ECE-pincer ligands (E = S or P) is described. In the resulting hetero bis-organometallic complexes, the π- and σ-electrons of the ECE-pincer phenyl anion are involved in η6- and η1-coordination to ruthenium(II) and palladium(II), respectively. In addition to electrochemical data, which show that both metal centers are electron poor, steric … Show more

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Cited by 49 publications
(30 citation statements)
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“…Dalton Transactions approach has great flexibility and is applicable for the many examples of pincer-metal complexes containing an arene derived carbo-anion. [109][110][111][112][113][114] When a parent pincer metal complex is used, in which the two flanking donor sites are different, an aryl-pincer-M′ complex with planar chirality is created. Coordination of the arenophilic CpM-cation to pincer's π system then affords diastereomeric compounds, see Scheme 18.…”
Section: Perspectivementioning
confidence: 99%
“…Dalton Transactions approach has great flexibility and is applicable for the many examples of pincer-metal complexes containing an arene derived carbo-anion. [109][110][111][112][113][114] When a parent pincer metal complex is used, in which the two flanking donor sites are different, an aryl-pincer-M′ complex with planar chirality is created. Coordination of the arenophilic CpM-cation to pincer's π system then affords diastereomeric compounds, see Scheme 18.…”
Section: Perspectivementioning
confidence: 99%
“…The negative ΔS° value would be attributable to the flexible structure of 1-SNS, i.e., free rotation of two aromatic ipso carbon-sulfur bonds, S-inversion, and ring inversion of the palladacycles, 30,[49][50][51] whereas the structure of 1-NNN is more rigid and has a lower degree of freedom because these dynamic behaviors are prohibited (Fig. 6).…”
Section: Figmentioning
confidence: 99%
“…As a homogeneous catalyst, Pd with phosphine ligands, carbene ligands, and other coordinates have often exhibited a higher turnover number (TON) and better catalytic activity for inactive chloride substances, especially in the Suzuki coupling reaction [1][2][3][4][5][6][7]. However, the homogeneous catalytic system may cause greater difficulties, including purification of final products and recycling of the expensive catalysts in large-scale applications.…”
Section: Introductionmentioning
confidence: 99%