Solution structure and dynamics of five-coordinate d6 complexes

Hoffman, P. R.; Caulton, Kenneth G.

doi:10.1021/ja00848a012

Cited by 278 publications

(153 citation statements)

References 16 publications

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“…The two-band visible spectrum with the more intense higher energy band resembles closely those of square-pyramidal RuCI,P, species with trans chlorides and three phosphine (P) donors (22,23).…”

Section: Discussionmentioning

confidence: 78%

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A kinetic study of the hydrogenation of hexene-1 catalyzed by a ferrocenyl-phosphine derivative of ruthenium(II)

Rodgers¹,

Cullen²,

James³

1983

Can. J. Chem.

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The complex, dichloro(triphenylphosphine){1-[N,N-α-dimethylaminoethyl]-2-diphenylphosphinoferrocene}ruthenium(II), prepared from RuCl2(PPh3)3 by ligand displacement, catalyzes the hydrogenation of terminal olefins under mild conditions. The experimental rate-law for hydrogenation of hexene-1 in n-butanol at 40 °C shows a first-order dependence on both olefin and hydrogen, and an inverse dependence to added triphenylphosphine. The dependence on ruthenium goes from first- to half-order with increasing metal concentration. The kinetic data, together with spectroscopic data, and studies on reactivity of the complex toward hydrogen, are interpreted in terms of catalysis via a ruthenium(I) complex that dissociates a phosphine ligand to generate the active species.

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Section: Discussionmentioning

confidence: 78%

“…The j'P nmr spectrum in C6D6 at room temperature' shows two nonequivalent phosphorus atoms, the small coupling constant indicating a cis-geometry (22)(23)(24); the spectrum in (CD,)?CO is invariant from -60°C to ambient temperatures.…”

Section: Discussionmentioning

confidence: 98%

A kinetic study of the hydrogenation of hexene-1 catalyzed by a ferrocenyl-phosphine derivative of ruthenium(II)

Rodgers¹,

Cullen²,

James³

1983

Can. J. Chem.

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“…The compounds Os(PPh 3 ) 3 Br 2 [40] and Os(RL 1 )(PPh 3 ) 2 -(CO)Br [17] were prepared by reported methods. 8-hydroxyquinoline was obtained from Merck.…”

Section: Methodsmentioning

confidence: 99%

Synthesis, characterization and photophysical properties of quinolin-8-olato chelated osmium(II) organometallics bearing a pendant imine-phenol motif and electrogeneration of trivalent analogue

Panda¹

2012

OJIC

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“…[13] Experimental Section General: All reactions were carried out under an atmosphere of argon by Schlenk techniques. The starting materials 1 [14] and the phosphaneamine [15] were prepared as described in the literature. NMR spectra were recorded on Bruker AC 200 and Bruker AMX 400 instruments at room temperature, if not otherwise stated.…”

Section: Resultsmentioning

confidence: 99%

Synthesis and Reactivity of an Aminocarbene Osmium Complex Formed by Double C–H Activation of a NCH₃ Unit

Richter

Werner

2009

Eur J Inorg Chem

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The reaction of [OsCl2(PPh3)3] (1) with iPr2PCH2CH2NMe2 in 2‐propanol under reflux affords the Fischer‐type aminocarbene complex cis,cis‐[OsCl2{κ2(C,P)‐CHN(CH3)CH2CH2PiPr2}{κ2(P,N)‐iPr2PCH2CH2NMe2}] (2) by double C–H activation of one NCH3 group. While treatment of 2 with phenylacetylene leads to the vinylidene complex cis,trans‐[OsCl2(C=CHPh){κ2(C,P)‐CHN(CH3)CH2CH2PiPr2}{κ(P)‐iPr2PCH2CH2NMe2}] (3) by partial opening of the P,N‐chelate bond, the reaction of 2 with CO and CNtBu gives rise to ionic compounds of type [OsCl(L){κ2(C,P)‐CHN(CH3)CH2CH2PiPr2}{κ2(P,N)‐iPr2PCH2CH2OMe}]Cl (4: L = CO, 5: L = CNtBu) by substitution of one chloro ligand. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)

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Solution structure and dynamics of five-coordinate d6 complexes

Cited by 278 publications

References 16 publications

A kinetic study of the hydrogenation of hexene-1 catalyzed by a ferrocenyl-phosphine derivative of ruthenium(II)

A kinetic study of the hydrogenation of hexene-1 catalyzed by a ferrocenyl-phosphine derivative of ruthenium(II)

Synthesis, characterization and photophysical properties of quinolin-8-olato chelated osmium(II) organometallics bearing a pendant imine-phenol motif and electrogeneration of trivalent analogue

Synthesis and Reactivity of an Aminocarbene Osmium Complex Formed by Double C–H Activation of a NCH₃ Unit

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Solution structure and dynamics of five-coordinate d6 complexes

Cited by 278 publications

References 16 publications

A kinetic study of the hydrogenation of hexene-1 catalyzed by a ferrocenyl-phosphine derivative of ruthenium(II)

A kinetic study of the hydrogenation of hexene-1 catalyzed by a ferrocenyl-phosphine derivative of ruthenium(II)

Synthesis, characterization and photophysical properties of quinolin-8-olato chelated osmium(II) organometallics bearing a pendant imine-phenol motif and electrogeneration of trivalent analogue

Synthesis and Reactivity of an Aminocarbene Osmium Complex Formed by Double C–H Activation of a NCH3 Unit

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Synthesis and Reactivity of an Aminocarbene Osmium Complex Formed by Double C–H Activation of a NCH₃ Unit