An improved synthesis and some reactions of a hydrido-bridged ruthenium-manganese complex

Andrew J.M. Caffyn; Martin J. Mays; Paul R. Raithby

doi:10.1039/DT9920000515

An improved synthesis and some reactions of a hydrido-bridged ruthenium-manganese complex

Andrew J.M. Caffyn, Martin J. Mays, Paul R. Raithby

University of Cambridge

Research output: Contribution to journal › Article › peer-review

Abstract

An improved synthesis of the heterodimetallic complex [RuMn(μ-H)(μ-PPh₂)(η⁵-C₅H ₅)(CO)₅] 1 is described and the reactions of this complex with alkynes RC≡CR (R = Ph, H or CO₂Me) and with tertiary phosphines have been studied. Complexes containing μ-alkenyl ligands are obtained from the reaction of 1 with alkynes and the crystal structure of one of these, [RuMn{μ-σ:η²-C(Ph)=CHPh}(μ-PPh ₂)(η⁵-C₅H₅)(CO)₄] has been determined by X-ray analysis; the alkenyl ligand is σ bonded to Ru and π bonded to Mn, while the PPh₂ group asymmetrically bridges the Ru-Mn bond [2.729(2) Å]. Tertiary phosphines react with 1 to give complexes which are monosubstituted at the manganese atom.

Original language	English
Pages (from-to)	515-519
Number of pages	5
Journal	Journal of the Chemical Society, Dalton Transactions
Issue number	4
DOIs	https://doi.org/10.1039/DT9920000515
Publication status	Published - 31 Dec 1992

ASJC Scopus subject areas

General Chemistry

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title = "An improved synthesis and some reactions of a hydrido-bridged ruthenium-manganese complex",

abstract = "An improved synthesis of the heterodimetallic complex [RuMn(μ-H)(μ-PPh2)(η5-C5H 5)(CO)5] 1 is described and the reactions of this complex with alkynes RC≡CR (R = Ph, H or CO2Me) and with tertiary phosphines have been studied. Complexes containing μ-alkenyl ligands are obtained from the reaction of 1 with alkynes and the crystal structure of one of these, [RuMn{μ-σ:η2-C(Ph)=CHPh}(μ-PPh 2)(η5-C5H5)(CO)4] has been determined by X-ray analysis; the alkenyl ligand is σ bonded to Ru and π bonded to Mn, while the PPh2 group asymmetrically bridges the Ru-Mn bond [2.729(2) {\AA}]. Tertiary phosphines react with 1 to give complexes which are monosubstituted at the manganese atom.",

author = "Caffyn, {Andrew J.M.} and Mays, {Martin J.} and Raithby, {Paul R.}",

year = "1992",

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doi = "10.1039/DT9920000515",

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journal = "Journal of the Chemical Society, Dalton Transactions",

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T1 - An improved synthesis and some reactions of a hydrido-bridged ruthenium-manganese complex

AU - Caffyn, Andrew J.M.

AU - Mays, Martin J.

AU - Raithby, Paul R.

PY - 1992/12/31

Y1 - 1992/12/31

N2 - An improved synthesis of the heterodimetallic complex [RuMn(μ-H)(μ-PPh2)(η5-C5H 5)(CO)5] 1 is described and the reactions of this complex with alkynes RC≡CR (R = Ph, H or CO2Me) and with tertiary phosphines have been studied. Complexes containing μ-alkenyl ligands are obtained from the reaction of 1 with alkynes and the crystal structure of one of these, [RuMn{μ-σ:η2-C(Ph)=CHPh}(μ-PPh 2)(η5-C5H5)(CO)4] has been determined by X-ray analysis; the alkenyl ligand is σ bonded to Ru and π bonded to Mn, while the PPh2 group asymmetrically bridges the Ru-Mn bond [2.729(2) Å]. Tertiary phosphines react with 1 to give complexes which are monosubstituted at the manganese atom.

AB - An improved synthesis of the heterodimetallic complex [RuMn(μ-H)(μ-PPh2)(η5-C5H 5)(CO)5] 1 is described and the reactions of this complex with alkynes RC≡CR (R = Ph, H or CO2Me) and with tertiary phosphines have been studied. Complexes containing μ-alkenyl ligands are obtained from the reaction of 1 with alkynes and the crystal structure of one of these, [RuMn{μ-σ:η2-C(Ph)=CHPh}(μ-PPh 2)(η5-C5H5)(CO)4] has been determined by X-ray analysis; the alkenyl ligand is σ bonded to Ru and π bonded to Mn, while the PPh2 group asymmetrically bridges the Ru-Mn bond [2.729(2) Å]. Tertiary phosphines react with 1 to give complexes which are monosubstituted at the manganese atom.

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An improved synthesis and some reactions of a hydrido-bridged ruthenium-manganese complex

Abstract

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