Iron(0) and Ruthenium(0) Complexes of Dinitrogen

The synthesis of a series of iron and ruthenium complexes with the new ligand PPi 3 (1) P(CH2CH2PiPr2)3 is described. The iron(0) and ruthenium(0) dinitrogen complexes Fe(N2)(PPi 3) (4) and Ru(N2)(PPi 3) (5) were synthesized by treatment of the iron(II) and ruthenium(II) cationic species [FeCl(PPi 3...

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Published inInorganic chemistry Vol. 48; no. 5; pp. 2246 - 2253
Main Authors Field, Leslie D, Guest, Ruth W, Vuong, Khuong Q, Dalgarno, Scott J, Jensen, Paul
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 02.03.2009
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Summary:The synthesis of a series of iron and ruthenium complexes with the new ligand PPi 3 (1) P(CH2CH2PiPr2)3 is described. The iron(0) and ruthenium(0) dinitrogen complexes Fe(N2)(PPi 3) (4) and Ru(N2)(PPi 3) (5) were synthesized by treatment of the iron(II) and ruthenium(II) cationic species [FeCl(PPi 3)]+ (2) and [RuCl(PPi 3)]+ (3) with potassium graphite under a nitrogen atmosphere. The cationic dinitrogen species [Fe(N2)H(PPi 3)]+ (6) and [Ru(N2)H(PPi 3)]+ (7) were prepared by treatment of 4 and 5, respectively, with 1 equiv of a weak organic acid. Complexes 2·[BPh 4 ], 3·[BPh 4 ], 4, 5, and 6·[BF 4 ] were characterized by X-ray crystallography. The structural characterization of 5 is the first report for a ruthenium(0) dinitrogen complex.
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ISSN:0020-1669
1520-510X
DOI:10.1021/ic8019827