Homogeneous catalysis with transition metal complexes containing sulfur ligands

Bayón, J. Carles; Claver, Carmen; Masdeu‐Bultó, Anna M.

doi:10.1016/s0010-8545(99)00169-1

Cited by 192 publications

(87 citation statements)

References 191 publications

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“…[1,2] In particular, complexes containing thioether mixed-donor ligands such as the P,S-, [3][4][5][6][7][8] N,S- [9][10][11][12][13][14][15][16][17] and O,S- [18][19][20][21][22] donors have been successfully applied in asymmetric hydrogenation, [5,6,23] allylic substitutions [7][8][9][10]18] and enantioselective hydrosilylation of ketones. [4,23] In contrast, catalysts with chiral bidentate thioether ligands have been scarcely investigated, [24][25][26][27][28][29][30][31][32] although some have shown promising catalytic properties.…”

Section: Introductionmentioning

confidence: 99%

Cationic Iridium Complexes with Chiral Dithioether Ligands: Synthesis, Characterisation and Reactivity under Hydrogenation Conditions

et al. 2005

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A series of cationic Ir I complexes containing chiral dithioether ligands have been prepared in order to study the influence of the sulfur substituents and the metallacycle size on the acetamidoacrylate hydrogenation reaction. In the case of complexes 6, 7 and 10, a mixture of diastereomers is observed in solution due to the sulfur inversion processes. In contrast, this fluxional behaviour is efficiently controlled by using bicyclic ligands which inhibit the S-inversion in complexes 8 and 9. The solid-state structure of complex 10b shows only one diastereomer with the sulfur substituents in a relative anti disposition and in an overall configuration of S C S C S S S S at the coordinated dithioether ligand. Iridium com-

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Section: Introductionmentioning

confidence: 99%

Cationic Iridium Complexes with Chiral Dithioether Ligands: Synthesis, Characterisation and Reactivity under Hydrogenation Conditions

et al. 2005

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“…4 Cl solution (2 mL). The organic layer was washed with brine (2 mL), H 2 O (2 mL) and dried over Na 2 SO 4 .…”

Section: Chemicals and Apparatusmentioning

confidence: 99%

“…By virtue of the high coordination ability of the sulfur atom to most transition metals, asymmetric sulfur ligands have received great attention in the last 20 years [1][2][3][4]. A lot of studies revealed that sulfur-containing chiral ligands were effective in most organic reactions, such as hydrogenation [5], hydrogen transfer [6], allylic substitution [7], conjugated additions [8], Diels-Alder reactions [9] and CO-phosphine exchange reactions [10].…”

Section: Introductionmentioning

confidence: 99%

Preparation of S-Containing Aminophosphine and Phosphoramidite Ligands and Their Applications in Enantioselective C–C Bond Forming Reactions

Zeng

Cao

et al. 2010

Catal Lett

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A series of phosphorus/sulfur ligands were readily prepared and successfully applied in the Pd-catalyzed enantioselective allylic substitution and Cu-catalyzed conjugated additions of cyclic enones, respectively. The Pd-catalyzed enantioselective allylic substitution showed the best yield of 98% with 74% ee. For the Cu-catalyzed conjugated additions of cyclic enones, the best yield of 100% with 76% ee at the temperature of -30°C could be obtained.

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“…2) by rhodium based catalytic systems has been reported [19,20]. In addition, it is well known that dinuclear d 8 rhodium thiolato-bridge complexes are effective catalysts in the hydroformylation of olefins at moderate pressure and temperature [21][22][23]. Interestingly, the water soluble dinuclear complex [Rh 2 (l-S t Bu)(CO) 2 (TPPTS) 2 ] (TPPTS = sodium triphenylphosphine trisulfonate) is an active and selective catalyst precursor for the hydroformylation of alkenes in water, that acts both as solvent and hydrogen source [24][25][26].…”

Section: Introductionmentioning

confidence: 99%

Hydroformylation of Hex-1-ene by a Dinuclear gem-Dithiolato-bridged Rhodium Catalyst Under CO/H2O Conditions

et al. 2009

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In this work the results of the study of the catalytic activity of the dinuclear gem-dithiolato-bridged rhodium complex [Rh 2 (l-S 2 CBn 2 )(cod) 2 ] (Bn = benzyl; cod = 1,5-cyclooctadiene) for the hydroformylation of hex-1-ene in CO/H 2 O, are presented. Under the best conditions for hydroformylation [P(CO) = 22 atm at 80°C, in 24 h, toluene/H 2 O = 8/2, v/v, hex-1-ene (3 mmol), [Rh] = 0.01 mmol, hex-1-ene/[Rh] = 15 molar ratio] the only organic products observed (detected by GC and GC-MS) were heptanal and 2-methylhexanal and traces of 2-hexene (isomerization product). In addition, the products of the water gas shift reaction, H 2 and CO 2 , were also obtained as competitive reaction of the hydroformylation process.

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Homogeneous catalysis with transition metal complexes containing sulfur ligands

Cited by 192 publications

References 191 publications

Cationic Iridium Complexes with Chiral Dithioether Ligands: Synthesis, Characterisation and Reactivity under Hydrogenation Conditions

Cationic Iridium Complexes with Chiral Dithioether Ligands: Synthesis, Characterisation and Reactivity under Hydrogenation Conditions

Preparation of S-Containing Aminophosphine and Phosphoramidite Ligands and Their Applications in Enantioselective C–C Bond Forming Reactions

Hydroformylation of Hex-1-ene by a Dinuclear gem-Dithiolato-bridged Rhodium Catalyst Under CO/H2O Conditions

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