Syntheses and Characterization of Manganese-Tellurolate Complexes by Using Chelating Metalloligand cis-[Mn(CO)4(TePh)2]- and Potential Electrophilic TeMe+ Reagent

Wen Feng Liaw, Show Jen Chiou, Way Zen Lee, Gene Hsiang Lee, Shie Ming Peng

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Abstract

The cis-[Mn(CO)4(TePh)2]-, similar to bidentate ligand PhTe(CH2)3, acts as a "chelating metalloligand" for the synthesis of metallic tellurolate compounds. The reaction of cis-[Mn(CO)4(TePh)2]- with BrMn(CO)5 in THF leads to a mixture of products [(CO)3BrMn(μ-TePh)2Mn(CO)4]- (1) and Mn2(μ-TePh)2(CO)8 (2). Complex 1 crystallizes in the triclinic space group P1̄ with a = 11.309(3) Å, b = 14.780(5) Å, c = 19.212(6) Å, α = 76.05(3)° β = 72.31(3)°, γ = 70.41(3)°, V = 2848(2) Å3, Z = 2. Final R = 0.034 and Rw = 0.035 resulting from refinement of 10021 total reflections with 677 parameters. Dropwise addition of (MeTe)2 to a solution of [Me3O][BF4] in CH3CN leads to formation of [Me2TeTeMe][BF4], a potential MeTe+ donor ligand. In contrast to oxidative addition of diphenyl ditelluride to [Mn(CO)5]- to give cis-[Mn(CO)4(TePh)2]- which was thermally transformed into [(CO)3Mn(μ-TePh)3Mn(CO)3]-, reaction of [Mn(CO)5]- with [Me2TeTeMe]+ proceeded to give the monomeric species MeTeMn(CO)5 as initial product which was then dimerized into Mn2(μ-TeMe)2(CO)8 (4).

Original languageEnglish
Pages (from-to)29-35
Number of pages7
JournalJournal of the Chinese Chemical Society
Volume43
Issue number1
DOIs
Publication statusPublished - 1996 Jan 1

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Carbon Monoxide
Manganese
Chelation
Metallic compounds
Ligands

Keywords

  • Manganese(I)-Telluroether
  • Manganese(I)-Tellurolate

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Syntheses and Characterization of Manganese-Tellurolate Complexes by Using Chelating Metalloligand cis-[Mn(CO)4(TePh)2]- and Potential Electrophilic TeMe+ Reagent. / Liaw, Wen Feng; Chiou, Show Jen; Lee, Way Zen; Lee, Gene Hsiang; Peng, Shie Ming.

In: Journal of the Chinese Chemical Society, Vol. 43, No. 1, 01.01.1996, p. 29-35.

Research output: Contribution to journalArticle

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title = "Syntheses and Characterization of Manganese-Tellurolate Complexes by Using Chelating Metalloligand cis-[Mn(CO)4(TePh)2]- and Potential Electrophilic TeMe+ Reagent",
abstract = "The cis-[Mn(CO)4(TePh)2]-, similar to bidentate ligand PhTe(CH2)3, acts as a {"}chelating metalloligand{"} for the synthesis of metallic tellurolate compounds. The reaction of cis-[Mn(CO)4(TePh)2]- with BrMn(CO)5 in THF leads to a mixture of products [(CO)3BrMn(μ-TePh)2Mn(CO)4]- (1) and Mn2(μ-TePh)2(CO)8 (2). Complex 1 crystallizes in the triclinic space group P1̄ with a = 11.309(3) {\AA}, b = 14.780(5) {\AA}, c = 19.212(6) {\AA}, α = 76.05(3)° β = 72.31(3)°, γ = 70.41(3)°, V = 2848(2) {\AA}3, Z = 2. Final R = 0.034 and Rw = 0.035 resulting from refinement of 10021 total reflections with 677 parameters. Dropwise addition of (MeTe)2 to a solution of [Me3O][BF4] in CH3CN leads to formation of [Me2TeTeMe][BF4], a potential MeTe+ donor ligand. In contrast to oxidative addition of diphenyl ditelluride to [Mn(CO)5]- to give cis-[Mn(CO)4(TePh)2]- which was thermally transformed into [(CO)3Mn(μ-TePh)3Mn(CO)3]-, reaction of [Mn(CO)5]- with [Me2TeTeMe]+ proceeded to give the monomeric species MeTeMn(CO)5 as initial product which was then dimerized into Mn2(μ-TeMe)2(CO)8 (4).",
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AU - Chiou, Show Jen

AU - Lee, Way Zen

AU - Lee, Gene Hsiang

AU - Peng, Shie Ming

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N2 - The cis-[Mn(CO)4(TePh)2]-, similar to bidentate ligand PhTe(CH2)3, acts as a "chelating metalloligand" for the synthesis of metallic tellurolate compounds. The reaction of cis-[Mn(CO)4(TePh)2]- with BrMn(CO)5 in THF leads to a mixture of products [(CO)3BrMn(μ-TePh)2Mn(CO)4]- (1) and Mn2(μ-TePh)2(CO)8 (2). Complex 1 crystallizes in the triclinic space group P1̄ with a = 11.309(3) Å, b = 14.780(5) Å, c = 19.212(6) Å, α = 76.05(3)° β = 72.31(3)°, γ = 70.41(3)°, V = 2848(2) Å3, Z = 2. Final R = 0.034 and Rw = 0.035 resulting from refinement of 10021 total reflections with 677 parameters. Dropwise addition of (MeTe)2 to a solution of [Me3O][BF4] in CH3CN leads to formation of [Me2TeTeMe][BF4], a potential MeTe+ donor ligand. In contrast to oxidative addition of diphenyl ditelluride to [Mn(CO)5]- to give cis-[Mn(CO)4(TePh)2]- which was thermally transformed into [(CO)3Mn(μ-TePh)3Mn(CO)3]-, reaction of [Mn(CO)5]- with [Me2TeTeMe]+ proceeded to give the monomeric species MeTeMn(CO)5 as initial product which was then dimerized into Mn2(μ-TeMe)2(CO)8 (4).

AB - The cis-[Mn(CO)4(TePh)2]-, similar to bidentate ligand PhTe(CH2)3, acts as a "chelating metalloligand" for the synthesis of metallic tellurolate compounds. The reaction of cis-[Mn(CO)4(TePh)2]- with BrMn(CO)5 in THF leads to a mixture of products [(CO)3BrMn(μ-TePh)2Mn(CO)4]- (1) and Mn2(μ-TePh)2(CO)8 (2). Complex 1 crystallizes in the triclinic space group P1̄ with a = 11.309(3) Å, b = 14.780(5) Å, c = 19.212(6) Å, α = 76.05(3)° β = 72.31(3)°, γ = 70.41(3)°, V = 2848(2) Å3, Z = 2. Final R = 0.034 and Rw = 0.035 resulting from refinement of 10021 total reflections with 677 parameters. Dropwise addition of (MeTe)2 to a solution of [Me3O][BF4] in CH3CN leads to formation of [Me2TeTeMe][BF4], a potential MeTe+ donor ligand. In contrast to oxidative addition of diphenyl ditelluride to [Mn(CO)5]- to give cis-[Mn(CO)4(TePh)2]- which was thermally transformed into [(CO)3Mn(μ-TePh)3Mn(CO)3]-, reaction of [Mn(CO)5]- with [Me2TeTeMe]+ proceeded to give the monomeric species MeTeMn(CO)5 as initial product which was then dimerized into Mn2(μ-TeMe)2(CO)8 (4).

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