描述了一系列具有配体P 2 P 3 Cy,P(CH 2 CH 2 PCy 2)3的铁和钌配合物的合成。铁(0)和钌(0)配合物Fe(N 2)(P 2 P 3 Cy)(1)和Ru(N 2)(P 2 P 3 Cy)(2)通过[FeCl( P 2 P 3 Cy)] +和[RuCl(P 2 P 3 Cy)] +在氮气氛下用过量的钾石墨。通过[FeCl(P)的处理合成了Fe(I)和Ru(I)物种[Fe(N 2)(P 2 P 3 Cy)] +(3)和RuCl(P 2 P 3 Cy)(4)。2 P 3 Cy)] +和[RuCl(P 2 P 3 Cy)] +和1当量的钾石墨在氮气氛下。阳离子二氮物种[Fe(N 2)H(P 2 P 3 Cy)] +通过分别用1当量的弱有机酸处理1和3,形成(6)和[Ru(N 2)H(P 2 P 3 Cy)] +(7)。还合成并表征了铁(II)配合物Fe(H)2(P 2 P 3
描述了一系列具有配体P 2 P 3 Cy,P(CH 2 CH 2 PCy 2)3的铁和钌配合物的合成。铁(0)和钌(0)配合物Fe(N 2)(P 2 P 3 Cy)(1)和Ru(N 2)(P 2 P 3 Cy)(2)通过[FeCl( P 2 P 3 Cy)] +和[RuCl(P 2 P 3 Cy)] +在氮气氛下用过量的钾石墨。通过[FeCl(P)的处理合成了Fe(I)和Ru(I)物种[Fe(N 2)(P 2 P 3 Cy)] +(3)和RuCl(P 2 P 3 Cy)(4)。2 P 3 Cy)] +和[RuCl(P 2 P 3 Cy)] +和1当量的钾石墨在氮气氛下。阳离子二氮物种[Fe(N 2)H(P 2 P 3 Cy)] +通过分别用1当量的弱有机酸处理1和3,形成(6)和[Ru(N 2)H(P 2 P 3 Cy)] +(7)。还合成并表征了铁(II)配合物Fe(H)2(P 2 P 3
Reduction of Dinitrogen to Ammonia and Hydrazine on Low-Valent Ruthenium Complexes
作者:Leslie D. Field、Hsiu L. Li、P. Manohari Abeysinghe、Mohan Bhadbhade、Scott J. Dalgarno、Ruaraidh D. McIntosh
DOI:10.1021/acs.inorgchem.8b02850
日期:2019.2.4
The ruthenium(0) dinitrogen complexes [Ru(N2)(PP3R)] [PP3R = P(CH2CH2PR2)3; R = iPr or Cy] react with triflic acid and other strong acids to afford mixtures of ammonia and hydrazine. In this reaction, Ru(0) is oxidized to Ru(II), and depending on the solvent, Ru(II) benzene or triflate complexes are isolated and characterized from the reactions with triflic acid as the final metal-containing products