Synthesis, Crystal Structure and Reactivity of Mo4O6(O2)2(μ3-O)2{(μ2-O,μ3-OC8H14}2(OPMePh2)2: A Self-assembled Tetranuclear Cluster Containing Two Peroxide and Two Trans-Cyclooctanediol Ligands* |
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| Authors: | Ampa Jimtaisong and Rudy L Luck |
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| Institution: | (1) Department of Chemistry, Michigan Technological University, 1400 , Townsend Drive, Houghton, 49931, MI, USA |
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| Abstract: | The reaction of MoO2Cl2(OPMePh2)2 with t-butylhydroperoxide (TBHP) in the presence of cis-cyclooctene yields the tetrameric complex Mo4O6(O2)2(μ3-O)2{(μ2-O,μ3-OC8H14}2(OPMePh2)2, (1). Additionally in the absence of cis-cyclooctene MoO(O2)Cl2(OPMePh2)2, MoO(O2)2(H2O)(OPMePh2), (2), and two novel yellow compounds can be isolated depending on the quantity of TBHP used and the reaction conditions. Both the starting material MoO2Cl2(OPMePh2)2 and tetramer 1 are capable of accomplishing the epoxidation of cis-cyclooctene as catalysts. The single crystal X-ray determined structures of complexes 1 and 2 are reported.Dedicated to Professor F. A. “Chief” Cotton on the occasion of his 75th birthday |
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| Keywords: | Epoxidation tetranuclear cluster peroxide ligands coordinated diols hydrogen bonding |
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