Al-Jibori, Subhi A.; Al-Doori, Luma A.; Al-Janabi, Ahmed S. M.; Alheety, Mustafa A.; Wagner, Christoph; Karadag, Ahmet published the article 《Mercury(II) mixed ligand complexes of phosphines or amines with 2-cyanoamino thiophenolate ligands formed via monodeprotonation and carbon-sulfur bond cleavage of 2-aminobenzothiazole. X-ray crystal structures of [Hg(SC6H4NCN)(PPh3)]2 and [Hg(SC6H4NCN)(Ph2PCH2PPh2)]2》. Keywords: mercury phosphine amine cyanoaminothiophenolate complex preparation crystal structure.They researched the compound: 1,2-Bis(diphenylphosphino)ethane( cas:1663-45-2 ).Formula: C26H24P2. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:1663-45-2) here.
The addition of sodium hydroxide to a mixture of Ph mercury acetate and 2-aminobenzothiazole in warm ethanol led to the high yield (84%) formation of [Ph-Hg(LH)]n (1), LH = the 2-cyanoaminothiaphenolate anion (SC6H4NHC[n.58118]N)-, resulting from monodeprotonation of 2-aminobenzothiazole and facile carbon-sulfur bond breakage. Reaction of 1 with Ph3P or Ph3PS afforded [Hg(LH)2(Ph3P)2] (2) or [PhHg(μ-LH)(Ph3PS)]2 (3), resp. Recrystallization of 2 from warm DMSO afforded [Hg(μ-L)(PPh3)]2 (4), L = the 2-cyanoaminothiophenolate di-anion (SC6H4NC[n.58118]N)2-, which was characterized by an x-ray diffraction study. Treatment of 1 with the diphosphines Ph2P(CH2)nPPh2, 2,6-diaminopyridine (dapy), ethylenediamine (en) or 1,10-phenanthroline (phen) afforded [PhHg(LH){ Ph2P(CH2)nPPh2}], {n = 1 dppm (5), n = 2 dppe (6), n = 3 dppp (7), n = 4 dppb (8), (CH2)n = (Cp)2Fe dppf (9)}, [PhHg(LH)(dapy)2] (11), [PhHg(LH)(en)] (12) or [PhHg(LH)(phen)] (13). Recrystallization of 5 from CH2Cl2 afforded binuclear [Hg(μ-L)(η1-dppm)]2.CH2Cl2 (10), which was characterized by an x-ray diffraction study.
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Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis