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A tetrameric copper(I) alkoxide with a π-tethered ligand: 2-allyl-6-methylphenoxocopper(I) |
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| Authors: | Bjö rn GustafssonMikael Hå kansson,Gunnar WestmanSusan Jagner |
| Affiliation: | a Department of Inorganic Chemistry, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden b Organic Chemistry, Department of Chemistry, Göteborg University, SE-412 96 Gothenburg, Sweden c Department of Organic Chemistry, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden |
| Abstract: | The complex 2-allyl-6-methylphenoxocopper(I) has been prepared by reaction between mesitylcopper(I) and 2-allyl-6-methylphenol. Crystallographic studies show that the compound is tetrameric with a distorted cubane-type copper(I)-oxygen core, and with additional π-coordination of the ligand to copper through the alkene functionality (ν(CC)=1520 cm−1). The ligands thus act both as chelates and as bridges between adjacent copper(I) centres. Copper(I) exhibits trigonal pyramidal coordination geometry with CuC distances to the CC group of 1.976(9) and 2.017(11) Å and CuO distances of 1.973(6), 2.021(6) and 2.577(6) Å, respectively. |
| Keywords: | Copper(I) Alkene Alkoxide Phenoxide 2-Allyl-6-methylphenol Infrared spectroscopy NMR spectroscopy Crystal structure |
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