Synthesis and Characterization of Mononuclear Nickel Complexes with Dithiolate Ligands

摘要

Treatment of the mononuclear nickel complex (dppf)NiCl2 (1) [dppf = 1,1'-bis(diphenylphosphino)ferrocene] with HSCH2CH2SH or HSCHMeCHMeSH in the presence of Et3N in CH2Cl2 afforded the corresponding nickel dithiolate complexes (dppf)Ni(SCH2CH2S) (2) and (dppf)Ni(SCHMeCHMeS) (3) in 44 and 59 % yields, respectively. The new complexes 2 and 3 were structurally characterized by ~1H NMR, ~(31)P{~1H} NMR and ~(13)C{~1H) NMR spectroscopy.