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2-Pyrrolythiones as monoanionic bidentate N,S-chelators: Synthesis and molecular structure of 2-pyrrolylthionato complexes of nickel(II), cobalt(III), and mercury(II)

Title2-Pyrrolythiones as monoanionic bidentate N,S-chelators: Synthesis and molecular structure of 2-pyrrolylthionato complexes of nickel(II), cobalt(III), and mercury(II)
Publication TypeJournal Article
Year of Publication2000
AuthorsBruckner, C, Rettig, SJ, Dolphin, D
JournalInorganic Chemistry
Volume39
Pagination6100-6106
Date PublishedDec
Type of ArticleArticle
ISBN Number0020-1669
KeywordsBLUE COPPER PROTEINS, CHEMISTRY, CRYSTAL-STRUCTURE, CU(II), LIGANDS, PRECURSORS, SULFUR
Abstract

{The metal-chelating ability of 2-pyrrolylthiones is described. The readily available ligands di-2-pyrrolyl thione (6), 2-thioncetylpyrrole (10), and 2-thiobenzoylpyrrole (11) constitute examples of monoanionic ligands with N,S-donor atom sets, although di-2-pyrrolyl thione (6) could theoretically also achieve chelation through an N,N-donor set. A square planar Ni(II)) complex, 14, an octahedral Co(III) complex, 18, and a tetrahedral Hg(II) complex, 17, with the di-2-pyrrolyl thionato chelate have been prepared, and their structures have been characterized by H-1 NMR, UV-vis, MS, IR, elemental analysis, and single-crystal X-ray difraction. Crystal data for 14: C18H14N4N4-NiS2.0.28H(2)O, NiS2.0.28H(2)O, trigonal, R (3) over bar, a 18.467(1) Angstrom

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