Synthesis and structures of mononuclear 3,4-bis(trifluoromethyl)pyrrolyl complexes of Rh(i) and Ni(ii)†
Abstract
New mononuclear complexes of the 3,4-bis(trifluoromethyl)pyrrolyl ligand (3,4-(CF3)2-Pyr−) with Rh(I) and Ni(II) are reported. Reaction of 3,4-(CF3)2-PyrNa with [Rh(COD)Cl]2 produces [Rh(PMe3)3(3,4-(CF3)2-Pyr)] (1) while reaction of 3,4-(CF3)2-PyrH with [Ni(PMe3)2Me2] (2) or [Ni(PMe3)2Ph2] (4) gives [trans-Ni(PMe3)2(3,4-(CF3)2-Pyr)(CH3)] (3) or [trans-Ni(PMe3)2(C6H5)(3,4-(CF3)2-Pyr)] (5) respectively. Complexes 1, 3 and 5 have been characterized spectroscopically and all five compounds have been structurally characterized by single crystal X-ray diffraction studies.
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