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
Ammonia and Hydrazine from Coordinated Dinitrogen by Complexes of Iron(0)
作者:Leslie D. Field、Hsiu L. Li、Scott J. Dalgarno、Ruaraidh D. McIntosh
DOI:10.1002/ejic.201900058
日期:2019.4.16
The iron(0) dinitrogen complexes [Fe(N2)(PP3)] (PP3 = P(CH2CH2PR2)3, R = Ph, iPr, Cy) were synthesized by reduction of the precursor chloro complexes with potassium graphite. On reaction with triflic acid, [Fe(N2)(PP3)] complexes afforded ammonia and hydrazine in yields of up to 23 and 16% respectively. The complex [Fe(N2)(PP3)] which has only been previously synthesized in situ, has now been isolated