Neutral and cationic iron carbonyl complexes substituted with the water-soluble phosphines [Ph2P(CH2)nPMe3]+ (n = 2,3,6 and 10)

Kovàcs, István; Baird, Michael C.

doi:10.1016/0022-328x(95)05751-a

Cited by 13 publications

(2 citation statements)

References 33 publications

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“…The following advantages are associated for biphasic system using organometallic catalysts: (i) selectivity is high due to the constant concentration of reactant and product, (ii) simple separation of product is possible, and (iii) the process is safe and environmentally friendly. The following reports [187][188][189][190][191][192][193][194][195][196] should be added to survey the watertolerant metal complexes.…”

Section: Lewis Acids and Organometallic Catalystsmentioning

confidence: 99%

Water-Tolerant Solid Acid Catalysts

2002

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ContentsI. Introduction 3641 II. Zeolites 3642 1. Organic Reactions in Water Catalyzed by Zeolites 3642 2. Hydrophobicity of Zeolites 3646 3. Acidic Property of Zeolites 3647 III. Heteropolyacid 3648 1. Acidity of Liquid Heteropolyacids 3648 2. Aqueous Organic Reactions Catalyzed by Liquid Heteropolyacids 3649 3. Biphasic System Consisting of Aqueous Phase 3650 4. Solid Heteropoly Compounds That Are Active in Water 3651 i. Microstructure 3651 ii. Acidity of Solid Heteropoly Compounds 3652 iii. Hydrophobicity 3653 iv. Organic Reactions in Water 3653 IV. Oxides and Phosphates 3656 1. Niobic Acid 3656 2. MoO 3 −ZrO 2 3657 3. Zirconium Tungstate 3658 4. Zirconium Phosphate 3658 5. Lanthanum Phosphate 3659 6. Niobium Phosphate 3660 V. Organic−Inorganic Composites 3661 1. Polymer Resin−Silica Composites 3661 2. Mesoporous Organic Composites 3661 VI. Lewis Acids and Organometallic Catalysts 3662 VII. Closing 3663 VIII. Acknowledgments 3663 IX. References 3663

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Section: Lewis Acids and Organometallic Catalystsmentioning

confidence: 99%

Water-Tolerant Solid Acid Catalysts

2002

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“…[56] The cone angles of 12 c and 14 were calculated by computational methods and are slightly larger than that of PA C H T U N G T R E N N U N G (tBu) 3 (Table 1, entries 12, 13, and 15). [51] Similar to alkylammonium groups, Baird et al [59] showed that alkylphosphonium substituents act as electron-withdrawing functionalities in Phophos ligands (17). This effect decreases with an increasing number of methylene groups in between the phosphorus atom and the PMe 3 + functionality, indicating the insulating effect of methylene spacers, as indicated by the CO stretching frequencies of the corresponding [Fe(CO) 4 L] complexes (Table 2, entries [43][44][45][46].…”

Section: Steric and Electronic Properties Of Ionic Phosphine Ligandsmentioning

confidence: 91%

Steric, Electronic, and Secondary Effects on the Coordination Chemistry of Ionic Phosphine Ligands and the Catalytic Behavior of Their Metal Complexes

Snelders

Koten

Gebbink

2010

Chemistry A European J

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The effects of introducing ionic functionalities in phosphine ligands on the coordination chemistry of these ligands and the catalytic behavior of the corresponding metal complexes are reviewed. The steric and electronic consequences of such functionalizations are discussed. Apart from these steric and electronic effects, the presence of charged groups often leads to additional, supramolecular interactions that occur in the second coordination sphere of the metal complex, such as intramolecular, interligand hydrogen bonding and Coulombic repulsion. These interactions can significantly alter the behavior of the phosphine ligand in question. Such effects have been observed in phosphine-metal association/dissociation equilibria, ligand substitution reactions, and stereoisomerism in phosphine-metal complexes. By drawing general conclusions, this review offers an insight into the coordination and catalytic behavior of phosphine ligands containing ionic functionalities and their corresponding metal complexes.

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Zwitterionic Organometallates

Chauvin

2000

Eur. J. Inorg. Chem.

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Neutral and cationic iron carbonyl complexes substituted with the water-soluble phosphines [Ph2P(CH2)nPMe3]+ (n = 2,3,6 and 10)

Cited by 13 publications

References 33 publications

Water-Tolerant Solid Acid Catalysts

Water-Tolerant Solid Acid Catalysts

Steric, Electronic, and Secondary Effects on the Coordination Chemistry of Ionic Phosphine Ligands and the Catalytic Behavior of Their Metal Complexes

Zwitterionic Organometallates

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