{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/18335"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/18335","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"The synthesis and reactivity of some hydrocarbyl complexes of iron and ruthenium","abstract":"We have reviewed the synthesis and properties of ethylene-bridged dinuclear transition metal complexes. The ethylene-bridged ruthenium complex [CpRu(CO)₂]₂[μ-(CH₂CH₂)] has been prepared. The characterization data (IR, ¹H and ¹³C NMR, and Mass spectral) and properties of this complex are discussed. The crystal structure of this complex has also been determined. The reactivity of this complex with donor ligands (CO, PMe₂Ph and PPh₃), protic acids (CF₃COOH and HCl), bromine, MeOH and with oxidants (Ph₃CPF₆ and AgBF₄) has been investigated. The new ruthenium complexes [{CpRu(CO)₂}₂{μ-(CnH₂n₋₁)}]PF₆ (n = 3 or 5), as well as their known iron analogues have been prepared. The crystal structures of [{CpM(CO)₂}₂{μ-(C₃H₅)}]PF₆ (M = Fe or Ru) have been determined. The fluxional behaviour of the complex [{CpRu(CO)₂}₂{μ-(C₃H₅)}]PF₆ has also been determined and discussed in comparison with the analogous iron complexes. A sequence of reactions of [CpM(CO)₂]₂[μ-(CH₂)₅] (M = Fe or Ru) with Ph₃CPF₆, CF₃COOH and NaI has been shown to give high yields of 1-pentene; the relevance of this reaction sequence is discussed. The synthesis and properties of the known ruthenium ethyl complex [CpRu(CO)₂(CH₂CH₃)] are compared with [CpRu(CO)₂]₂[μ-(CH₂CH₂)]. The synthesis, characterization and properties of the ruthenium haloalkyl complexes [CpRu(CO)₂{(CH₂)nX}] (n = 3, X= Cl, Br or I; n = 4 or 5, X= Br or I) are also described.","abstract_html":"We have reviewed the synthesis and properties of ethylene-bridged dinuclear transition metal complexes. The ethylene-bridged ruthenium complex [CpRu(CO)₂]₂[μ-(CH₂CH₂)] has been prepared. The characterization data (IR, ¹H and ¹³C NMR, and Mass spectral) and properties of this complex are discussed. The crystal structure of this complex has also been determined. The reactivity of this complex with donor ligands (CO, PMe₂Ph and PPh₃), protic acids (CF₃COOH and HCl), bromine, MeOH and with oxidants (Ph₃CPF₆ and AgBF₄) has been investigated. The new ruthenium complexes [{CpRu(CO)₂}₂{μ-(CnH₂n₋₁)}]PF₆ (n = 3 or 5), as well as their known iron analogues have been prepared. The crystal structures of [{CpM(CO)₂}₂{μ-(C₃H₅)}]PF₆ (M = Fe or Ru) have been determined. The fluxional behaviour of the complex [{CpRu(CO)₂}₂{μ-(C₃H₅)}]PF₆ has also been determined and discussed in comparison with the analogous iron complexes. A sequence of reactions of [CpM(CO)₂]₂[μ-(CH₂)₅] (M = Fe or Ru) with Ph₃CPF₆, CF₃COOH and NaI has been shown to give high yields of 1-pentene; the relevance of this reaction sequence is discussed. The synthesis and properties of the known ruthenium ethyl complex [CpRu(CO)₂(CH₂CH₃)] are compared with [CpRu(CO)₂]₂[μ-(CH₂CH₂)]. The synthesis, characterization and properties of the ruthenium haloalkyl complexes [CpRu(CO)₂{(CH₂)nX}] (n = 3, X= Cl, Br or I; n = 4 or 5, X= Br or I) are also described.","abstract_has_math":false,"creators":["Gafoor, Mansoor Ahmed"],"institution":"Department of Chemistry","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Moss, John R"],"committee_chairs":[],"committee_members":[],"year":1991,"date_issued":"1991","date_published":"1991","updated_at":"2026-07-22T22:23:14Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/18335","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Moss, John R"]},{"key":"dc:creator","label":"Author","values":["Gafoor, Mansoor Ahmed"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2016-03-28T14:43:57Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2016-03-28T14:43:57Z"]},{"key":"dc:date.issued","label":"Date","values":["1991"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Chemistry"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Master Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Masters"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["MSc"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/18335"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["We have reviewed the synthesis and properties of ethylene-bridged dinuclear transition metal complexes. The ethylene-bridged ruthenium complex [CpRu(CO)₂]₂[μ-(CH₂CH₂)] has been prepared. The characterization data (IR, ¹H and ¹³C NMR, and Mass spectral) and properties of this complex are discussed. The crystal structure of this complex has also been determined. The reactivity of this complex with donor ligands (CO, PMe₂Ph and PPh₃), protic acids (CF₃COOH and HCl), bromine, MeOH and with oxidants (Ph₃CPF₆ and AgBF₄) has been investigated. The new ruthenium complexes [{CpRu(CO)₂}₂{μ-(CnH₂n₋₁)}]PF₆ (n = 3 or 5), as well as their known iron analogues have been prepared. The crystal structures of [{CpM(CO)₂}₂{μ-(C₃H₅)}]PF₆ (M = Fe or Ru) have been determined. The fluxional behaviour of the complex [{CpRu(CO)₂}₂{μ-(C₃H₅)}]PF₆ has also been determined and discussed in comparison with the analogous iron complexes. A sequence of reactions of [CpM(CO)₂]₂[μ-(CH₂)₅] (M = Fe or Ru) with Ph₃CPF₆, CF₃COOH and NaI has been shown to give high yields of 1-pentene; the relevance of this reaction sequence is discussed. The synthesis and properties of the known ruthenium ethyl complex [CpRu(CO)₂(CH₂CH₃)] are compared with [CpRu(CO)₂]₂[μ-(CH₂CH₂)]. The synthesis, characterization and properties of the ruthenium haloalkyl complexes [CpRu(CO)₂{(CH₂)nX}] (n = 3, X= Cl, Br or I; n = 4 or 5, X= Br or I) are also described."]},{"key":"dc:title","label":"Title","values":["The synthesis and reactivity of some hydrocarbyl complexes of iron and ruthenium"]}]}],"canonical_facts":{"dc:contributor.advisor":["Moss, John R"],"dc:creator":["Gafoor, Mansoor Ahmed"],"dc:date.accessioned":["2016-03-28T14:43:57Z"],"dc:date.available":["2016-03-28T14:43:57Z"],"dc:date.issued":["1991"],"dc:description.abstract":["We have reviewed the synthesis and properties of ethylene-bridged dinuclear transition metal complexes. The ethylene-bridged ruthenium complex [CpRu(CO)₂]₂[μ-(CH₂CH₂)] has been prepared. The characterization data (IR, ¹H and ¹³C NMR, and Mass spectral) and properties of this complex are discussed. The crystal structure of this complex has also been determined. The reactivity of this complex with donor ligands (CO, PMe₂Ph and PPh₃), protic acids (CF₃COOH and HCl), bromine, MeOH and with oxidants (Ph₃CPF₆ and AgBF₄) has been investigated. The new ruthenium complexes [{CpRu(CO)₂}₂{μ-(CnH₂n₋₁)}]PF₆ (n = 3 or 5), as well as their known iron analogues have been prepared. The crystal structures of [{CpM(CO)₂}₂{μ-(C₃H₅)}]PF₆ (M = Fe or Ru) have been determined. The fluxional behaviour of the complex [{CpRu(CO)₂}₂{μ-(C₃H₅)}]PF₆ has also been determined and discussed in comparison with the analogous iron complexes. A sequence of reactions of [CpM(CO)₂]₂[μ-(CH₂)₅] (M = Fe or Ru) with Ph₃CPF₆, CF₃COOH and NaI has been shown to give high yields of 1-pentene; the relevance of this reaction sequence is discussed. The synthesis and properties of the known ruthenium ethyl complex [CpRu(CO)₂(CH₂CH₃)] are compared with [CpRu(CO)₂]₂[μ-(CH₂CH₂)]. The synthesis, characterization and properties of the ruthenium haloalkyl complexes [CpRu(CO)₂{(CH₂)nX}] (n = 3, X= Cl, Br or I; n = 4 or 5, X= Br or I) are also described."],"dc:identifier.uri":["http://hdl.handle.net/11427/18335"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Chemistry"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["The synthesis and reactivity of some hydrocarbyl complexes of iron and ruthenium"],"dc:type":["Master Thesis"],"dc:type.qualificationlevel":["Masters"],"dc:type.qualificationname":["MSc"]},"updated_at":"2026-07-22T22:23:14Z"}