A new member of tetranuclear dinitrosyl iron complexes (DNICs) with 2-mercaptothiazoline ligand: synthesis, structure and properties

doi:10.1007/s11164-014-1599-4

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Title:	A new member of tetranuclear dinitrosyl iron complexes (DNICs) with 2-mercaptothiazoline ligand: synthesis, structure and properties
Authors:	Hsieh, Chung-Hung;Chen, Chien-Hong;Wang, Jheng-Hong;Huang, Jing-Yi
Contributors:	淡江大學化學學系
Keywords:	Dinitrosyl iron complex;DNIC;Tetranuclear;Nitrosyl;Nitric oxide;2-Mercaptothiazoline
Date:	2014-07-01
Issue Date:	2014-08-27 09:03:11 (UTC+8)
Publisher:	Springer Netherlands
Abstract:	A new tetranuclear dinitrosyliron complex [(μ-SC3H4SN)Fe(NO)2]4 (2), each of a Fe center coordinated with two S or two N, was prepared by CO replacement from the reduced precursor (CO)2Fe(NO)2 with 1 equiv of HSC3H4SN (2-mercaptothiazoline) in the presence of O2(g). The structure of 2 is similar to [(Imid-iPr)Fe(NO)2]4 (Imid-iPr = 2-isopropylimidazole) (Hess et al. J Am Chem Soc 133:20426–20434, 2011), and both complexes comprise a quadrilateral plane of irons with corresponding ligands, SC3H4SN− or Imid-iPr−, bridging the edges and two nitrosyl ligands capping the irons at the corners. An additional equiv of SC3H4SN− was added to 2, which results in the mononuclear {Fe(NO)2}9 (SC3H4SN)2Fe(NO) 2 − (3), in the manner of N bound-[SC3H4SN]. Reaction of (TMEDA)IFe(NO)2 (TMEDA = tetramethylethylenediamine) and complex 3 leads to the formation of complex 2. Dinuclear complex [(μ-C5H7N2)Fe(NO)2]2 (4) can be synthesized by the ligand displacement of SC3H4SN− to C5H7N2 − (3,5-dimethylpyrazolate) of 2 (Chong et al. Can J Chem 57:3119–3125, 1979). Complexes 2–4 were characterized by IR and UV–Vis. The molecular structures of 2 and 3 were determined by X-ray single crystal diffraction.
Relation:	Research on Chemical Intermediates 40(6), p.2217-2227
DOI:	10.1007/s11164-014-1599-4
Appears in Collections:	[Graduate Institute & Department of Chemistry] Journal Article

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