Synthesis, characterization, and the role of counterion in stabilizing trigonal pyramidal copper(I)/2,2′bipyridine complexes containing electron-poor methyl acrylate |
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Authors: | Tomislav Pintauer |
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Institution: | Department of Chemistry and Biochemistry, Duquesne University, 308 Mellon Hall, 600 Forbes Avenue, Pittsburgh, PA 15282, United States |
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Abstract: | Copper(I)/2,2′-bipyridine complexes, CuI(bpy)(π-CH2CHCOOCH3)]A] have been synthesized and characterized. These complexes are used in copper(I) mediated cyclopropanation and aziridination reactions of methyl acrylate and represent the first class of trigonal pyramidal copper(I) complexes with π-coordinated electron poor olefins. In the case of 1 and 3, weak coordination of the counterion was observed. The counterion was noncoordinating in complex 2, which was dimeric in the solid state with the oxygen atoms of the carbonyl moieties in methyl acrylate bridging two copper(I) centers. |
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Keywords: | Copper(I) 2 2&prime -bipyridine Methyl acrylate Crystal structure Cyclopropanation |
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