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- Title
Synthesis and Structural Characterization of Mono- and Bimetallic Rhodium(I), Iridium(I) and Gold(I) Methanide and Methandiide Complexes from 2-Quinolyl-Linked (Thiophosphoranyl)methane.
- Authors
Leung, Wing‐Por; Chan, Yuk‐Chi; Choi, Tsz‐Hei; Lee, Hung‐Kay
- Abstract
The synthesis and structural characterization of RhI, IrI and AuI metal complexes derived from 2-quinolyl-linked (thiophosphoranyl)methane CH2( iPr2P=S)(C9H6N-2) ( A) are reported. Metathesis reactions of 2-quinolyl-thiophosphinoyl potassium complex [K{CH( iPr2P-S)(C9H6N-2)}] n ( 1) with 1 equiv. of [MCl(COD)]2 (M = Rh, Ir; COD = cycloocta-1,5-diene) afforded monomeric 2-quinolyl-thiophosphinoyl-rhodium(I) and iridium(I) complex [M(COD){CH( iPr2P=S)(C9H6N-2)}] {M = Rh ( 2), Ir ( 3)}, respectively. Upon treatment of 1 with 2 equiv. of [MCl(COD)]2 (M = Ir, Rh), bimetallic complexes [M(COD){CH( iPr2P=S)(C9H6N-2)(M(COD)Cl)}] {M = Rh ( 4), Ir ( 5)} were obtained. The reaction of 1 with [AuCl(PPh3)] afforded a geminal dinuclear gold(I) methandiide complex [{Au(PPh3)}2{C( iPr2P-S)(C9H6N-2)}] ( 6), featuring an aurophilic interaction. Meanwhile, the metathesis reaction of 1 with 1 equiv. of gold(I) complex [AuCl(IPrNHC)] {IPrNHC = C[N(2,6- iPr2C6H3)CH]2} afforded a monomeric two-coordinate monoaurated product, 2-quinolyl-thiophosphinoyl-gold(I) N-heterocyclic carbene complex [Au(IPrNHC){CH( iPr2P-S)(C9H6N-2)}] ( 7). The structures of 3- 7 have been determined by X-ray crystallography and the UV/Vis absorption properties of 2- 6 have also been studied.
- Subjects
RHODIUM; IRIDIUM; METAL complexes; GOLD isotopes; BIMETALLIC catalysts
- Publication
European Journal of Inorganic Chemistry, 2016, Vol 2016, Issue 24, p3859
- ISSN
1434-1948
- Publication type
Article
- DOI
10.1002/ejic.201600328