Reactions of linked tetrahedron clusters [Co2(CO)6(μ-HC2CH2O)–]2R with Rh2(CO)4Cl2 to give mixed-metal linked alkyne-bridged butterfly clusters containing C2Co2Rh2 unit

Dinitroacetylene and other nitroacetylenes are attractive stoichiometric precursors to high energy-density materials, but suffer from high reactivity and thermal instability. Herein, we report that nitroacetylenes can be dramatically stabilized in the form of their dicobalt hexacarbonyl complexes. In particular, we describe the syntheses and characterization of the first two transition-metal complexes of nitroalkynes, [μ-1-nitro-2-(trimethylsilyl)ethyne-1,2-diyl]bis(tricarbonylcobalt)(Co-Co) and [μ-1-nitroethyne-1,2-diyl]bis(tricarbonylcobalt)(Co-Co). The chemistry of these compounds reveals their potential as reaction partners in [2+2+2] cyclotrimerizations, furnishing nitroindane, nitrotetralin, and trinitrobenzene products. The X-ray crystal structure of 1,3,5-trinitro-2,4,6-tris(trimethylsilyl)benzene presents a distorted, yet planar, aromatic ring.

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En Route to Dinitroacetylene: Nitro(trimethylsilyl)acetylene and Nitroacetylene Harnessed by Dicobalt Hexacarbonyl

Windler

Zhang

Zitterbart

et al. 2012

Chemistry A European J

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Synthesis, characterization and luminescence properties of LnIII (Ln=Eu, Tb, Ce, Sm, Dy) complexes containing a terpyridine ligand and a 3d–4f type conjugated terpyridine-alkyne bridging EuIII–Co0 carbonyl cluster complex

et al. 2014

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Synthesis and characterization of linked alkyne-bridging Co₂C₂ tetrahedral clusters and expansion reactions of (Co₂(CO)₆(μ-HCCCH₂OOC))₂R with Fe₃(CO)₁₂

Zhu

Bai

Hong

et al. 2009

Journal of Coordination Chemistry

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Reactions of linked tetrahedron clusters [Co2(CO)6(μ-HC2CH2O)–]2R with Rh2(CO)4Cl2 to give mixed-metal linked alkyne-bridged butterfly clusters containing C2Co2Rh2 unit

Cited by 3 publications

References 40 publications

En Route to Dinitroacetylene: Nitro(trimethylsilyl)acetylene and Nitroacetylene Harnessed by Dicobalt Hexacarbonyl

En Route to Dinitroacetylene: Nitro(trimethylsilyl)acetylene and Nitroacetylene Harnessed by Dicobalt Hexacarbonyl

Synthesis, characterization and luminescence properties of LnIII (Ln=Eu, Tb, Ce, Sm, Dy) complexes containing a terpyridine ligand and a 3d–4f type conjugated terpyridine-alkyne bridging EuIII–Co0 carbonyl cluster complex

Synthesis and characterization of linked alkyne-bridging Co₂C₂ tetrahedral clusters and expansion reactions of (Co₂(CO)₆(μ-HCCCH₂OOC))₂R with Fe₃(CO)₁₂

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Reactions of linked tetrahedron clusters [Co2(CO)6(μ-HC2CH2O)–]2R with Rh2(CO)4Cl2 to give mixed-metal linked alkyne-bridged butterfly clusters containing C2Co2Rh2 unit

Cited by 3 publications

References 40 publications

En Route to Dinitroacetylene: Nitro(trimethylsilyl)acetylene and Nitroacetylene Harnessed by Dicobalt Hexacarbonyl

En Route to Dinitroacetylene: Nitro(trimethylsilyl)acetylene and Nitroacetylene Harnessed by Dicobalt Hexacarbonyl

Synthesis, characterization and luminescence properties of LnIII (Ln=Eu, Tb, Ce, Sm, Dy) complexes containing a terpyridine ligand and a 3d–4f type conjugated terpyridine-alkyne bridging EuIII–Co0 carbonyl cluster complex

Synthesis and characterization of linked alkyne-bridging Co2C2 tetrahedral clusters and expansion reactions of (Co2(CO)6(μ-HCCCH2OOC))2R with Fe3(CO)12

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Synthesis and characterization of linked alkyne-bridging Co₂C₂ tetrahedral clusters and expansion reactions of (Co₂(CO)₆(μ-HCCCH₂OOC))₂R with Fe₃(CO)₁₂