A series of manganese(II)complexes supported by cyclopentadienyl-phosphine ligands have been synthesized and characterized.A reaction of potassium salts of a cyclopentadienyl-phosphine ligand(LK)with MnX_(2) provided ...A series of manganese(II)complexes supported by cyclopentadienyl-phosphine ligands have been synthesized and characterized.A reaction of potassium salts of a cyclopentadienyl-phosphine ligand(LK)with MnX_(2) provided dimeric complexes[LMn(μ-X)]_(2)(X=Cl,1a;X=Br,1b)in high yields.The monomeric complex[K(18-crown-6)][LMnCl_(2)](2)was obtained with the addition of 18-crown-6.[LMn(μ-Cl)]_(2)(1a)served as a precursor to dimeric amido and methyl manganese(II)complexes including[LMn(μ-NH_(2))]_(2)(3)and[LMn(μ-Me)]_(2)(4).Treatment of[LMn(μ-Cl)]_(2)(1a)with EtMgCl,PhMgBr or other reductants resulted in the formation of sandwich manganese(II)complex L_(2)Mn(5).Complexes 1a,b,2-5 were characterized by a single-crystal X-ray structural analysis.展开更多
基金supported by the National Natural Science Foundation of China(No.21690061 and 21725201).
文摘A series of manganese(II)complexes supported by cyclopentadienyl-phosphine ligands have been synthesized and characterized.A reaction of potassium salts of a cyclopentadienyl-phosphine ligand(LK)with MnX_(2) provided dimeric complexes[LMn(μ-X)]_(2)(X=Cl,1a;X=Br,1b)in high yields.The monomeric complex[K(18-crown-6)][LMnCl_(2)](2)was obtained with the addition of 18-crown-6.[LMn(μ-Cl)]_(2)(1a)served as a precursor to dimeric amido and methyl manganese(II)complexes including[LMn(μ-NH_(2))]_(2)(3)and[LMn(μ-Me)]_(2)(4).Treatment of[LMn(μ-Cl)]_(2)(1a)with EtMgCl,PhMgBr or other reductants resulted in the formation of sandwich manganese(II)complex L_(2)Mn(5).Complexes 1a,b,2-5 were characterized by a single-crystal X-ray structural analysis.