期刊
ORGANOMETALLICS
卷 28, 期 7, 页码 2234-2243出版社
AMER CHEMICAL SOC
DOI: 10.1021/om801160j
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资金
- Chemical Sciences, Geosciences and Biosciences Division
- Office of Basic Energy Science
- Office of Science
- U.S. Department of Energy [DE-FG0207ER15893]
We report the syntheses and characterization of two new sterically demanding chelate ligands, denoted PNMe3 (N-(2-(diisopropylphosphino)-4-methylphenyl)-2,4,6-trimethylanilide) and PNiPr3 (N-(2-(diisopropylphosphino)-4-methylphenyl)-2,4,6-triisopropylanilide), as well as the preparation of their nickel(II) halide complexes [(PNiPr3)Ni(mu(2)-Br)](2) (1) and [(PNMe3)Ni(mu(2)-Cl)](2) (2). The combination of complex 1 with (KOBu)-Bu-t and Et3SiH as the hydride source can promote the hydrosilylation of a variety of carbonyl compounds in excellent yield and in a catalytic manner. The reactivity for a scope of substrates and a plausible mechanism along the hydrosilylation reaction are discussed in this work.
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