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Synthesis, Structures, and Reactions of Sulfur-Rich Nickel and Platinum Complexes with [MS3] and [MNS2] Cores by Dieter Sellmann; Daniel Häußinger; Frank W. Heinemann is a Chemistry article available to read on EtoBox.

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Nickel complexes / Platinum complexes / S ligands / C-S cleavage / Hydride complexes Nickel and platinum complexes with tridentate ligands, having derivatives (R = Me, Et, Cy) and by replacing a mercaptophenyl unit by an amine in 'Et 2 NS 2 '-H ['Et 2 NS 2 '-H = N,N-diethyl-2-(2-[S 3 ] or [NS 2 ] donor sets were investigated in order to model active sites of enzymes such as hydrogenases or CO mercaptothiophenyl)ethylamine]. Reactions of Ni II or Ni 0 compounds with these ligands in a 1:1 ratio yielded the 1:2 dehydrogenases. Starting from diphenyl sulfide, a preparative synthesis was developed for 'S 3 '-H 2 ['S 3 '-H 2 = bis(2-complexes [Ni('MeS 3 ') 2 ] (7), [Ni('EtS 3 ') 2 ] (9) and [Ni('CyS 3 ') 2 ] (10), with 'RS 3 ' -acting as bidentate ligands only. Complex 7 mercaptophenyl) sulfide]. Reactions of 'S 3 '-H 2 or anionic 'S 3 ' 2- with nickel and platinum precursors resulted in the formation reversibly reacted with PMe 3 to form cis-[Ni(PMe 3 ) 2 ('MeS 3 ') 2 ] (8), exhibiting monodentate 'MeS 3 ' ligands. [Ni('Et 2 HNS 2 ') 2 ]Br 2 of binuclear [Ni('S 3 ')] 2 (1) and trinuclear [Pt('S 3 ')] 3 (5). Complex 1 was cleaved by PMe 3 or CN -to give the mononuclear (11) reacted reve

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Author

Dieter Sellmann; Daniel Häußinger; Frank W. Heinemann

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 1434-1948)

Published

1999

Language

EN

Field

Chemistry (Physical Sciences)