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Combination of alkynes with µ-carbenes at a dimetal centre, and X-ray structure of [Fe<sub>2</sub>(CO)(µ-CO){µ-η<sup>1</sup>,η<sup>3</sup>-C(CO<sub>2</sub>Me)C(CO<sub>2</sub>Me)CHMe}(η-C<sub>5</sub>H<sub>5</sub>)<sub>2</sub>]: implications for metathesis and alkyne polymerisation
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1980
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Inorganic ChemistryChemical EngineeringEngineeringAlkene MetathesisX-ray StructureCoordination ComplexAlkyne PolymerisationMethylcarbenc ComplexesX-ray Diffraction StudyOrganometallic CatalysisCatalysisMolecular ComplexChemistryAlkynes Rc2′r1Dimetal CentreOrganometallic PolymerInorganic Synthesis
Bridging methylcarbenc complexes [M2(CO)2-(µ-CO)(µ-CHMe)(η-C5H5)2](M = Fe or Ru) react with alkynes RC2′R1(R = R1= H, Me, CO2Me; R = Me, R1= H) under u.v. irradiation to produce complexes [M2(CO)(µ-CO)(µ-η1,η3-CRCR1CHMe)(η-C5H5)2], shown through an X-ray diffraction study of [Fe2(CO)(µ-CO)-{µ-η1,η3-C(CO2Me)C(CO2Me)CHMe}(η-C5H5)2] to arise from linking of the µ-carbene and alkyne.