0000000001300969
AUTHOR
Julia R. Shakirova
Ferrocenyl-functionalized tetranuclear gold(I) and gold(I)-copper(I) complexes based on tridentate phosphanes
Tetranuclear AuI–FeII dimetallic and AuI–CuI–FeII trimetallic complexes bearing ferrocenyl (Fc) groups have been assembled by using two triphosphane ligands, namely, (PPh2CH2)2PPh (dpmp) and (PPh2)3CH (tppm). The compositions and structural type of the clusters are dependent on the stereochemistry of the P donor ligands. The complexes [tppmAu3Cu(C2R)3]PF6 [R = Fc (1) and 4-C6H4-Fc (2)] adopt a trigonal pyramidal {Au3Cu} arrangement of the coordinating metal core, whereas for the compounds with the linear triphosphane [Au4(dpmp)2(C2R)2](PF6)2 [R = Fc (3) and 4-C6H4-Fc (4)], a planar rhomboidal {Au4} framework was found. Clusters 1–4 were characterized by NMR spectroscopy and ESI-MS measureme…
Toward luminescence vapochromism of tetranuclear AuI-Cu I clusters
A family of triphosphine gold–copper clusters bearing aliphatic and hydroxyaliphatic alkynyl ligands of general formula [HC(PPh2)3Au3Cu(C2R)3]+ (R = cyclohexyl (1), cyclopentyl (2), But (3), cyclohexanolyl (4), cyclopentanolyl (5), 2,6-dimethylheptanolyl (6), 2-methylbutanolyl (7), diphenylmethanolyl (8)) was synthesized via a self-assembly protocol, which involves treatment of the (AuC2R)n acetylides with the (PPh2)3CH ligand in the presence of Cu+ ions and NEt3. Addition of Cl– or Br– anions to complex 8 results in coordination of the halides to the copper atoms to give neutral HC(PPh2)3Au3CuHal(C2COHPh2)3 derivatives (Hal = Cl (9), Br (10)). The title compounds were characterized by NMR …
Solid-state luminescence of Au-Cu-alkynyl complexes induced by metallophilicity-driven aggregation.
A new series of homoleptic alkynyl complexes, [{Au2Cu2(C2R)4}n] (R=C3H7O (1), C6H11O (2), C9H19O (3), C13H11O (4)), were obtained from Au(SC4H8)Cl, Cu(NCMe)4PF6, and the corresponding alkyne in the presence of a base (NEt3). Complexes 1-4 aggregate upon crystallization into polymeric chains through extensive metallophilic interactions. The cluster that contains fluorenolyl functionalities, C13H9O (5), crystallizes in its molecular form as a disolvate, [Au2Cu2(C2C13H9O)4]·2THF. The substitution of weakly bound THF molecules with pyridine molecules leads to the complex [Au2Cu2(C2C13H9O)4]·2py (6), thus giving two polymorphs in the solid state. Such structural diversity is established through …
Metallophilicity-assisted assembly of phosphine-based cage molecules.
A family of supramolecular cage molecules has been obtained via self-assembly of the phosphine-gold coordination complexes following an aurophilicity-driven aggregation approach. Use of the di- (PP) or tridentate (PPP) phosphine ligands Pn (n = 2, 3) with rigid polyaromatic backbones leads to clean formation of the coordination Pn(Au(tht))n(n+) species, sequential treatment of which with H2O/NEt3 and excess of H2NBu(t) gives the finite 3D structures of two major types. The cylindrical-like hexametallic cages [(PPAu2)3(μ3-NBu(t))2](2+) are based on the diphosphines PP = 1,4-bis(diphenylphosphino)benzene (1), 4,4'-bis(diphenylphosphino)biphenyl (2), 4,4"-bis(diphenylphosphino)terphenyl (3), w…
CCDC 955945: Experimental Crystal Structure Determination
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CCDC 916957: Experimental Crystal Structure Determination
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CCDC 916956: Experimental Crystal Structure Determination
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CCDC 952114: Experimental Crystal Structure Determination
Related Article: Julia R. Shakirova, Elena V. Grachova, Antti J. Karttunen, Vladislav V. Gurzhiy, Sergey P. Tunik, Igor O. Koshevoy|2014|Dalton Trans.|43|6236|doi:10.1039/C3DT53645A
CCDC 916958: Experimental Crystal Structure Determination
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CCDC 977750: Experimental Crystal Structure Determination
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CCDC 883708: Experimental Crystal Structure Determination
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CCDC 904087: Experimental Crystal Structure Determination
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CCDC 916959: Experimental Crystal Structure Determination
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CCDC 916955: Experimental Crystal Structure Determination
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CCDC 937899: Experimental Crystal Structure Determination
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CCDC 937897: Experimental Crystal Structure Determination
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CCDC 872767: Experimental Crystal Structure Determination
Related Article: Julia R. Shakirova, Elena V. Grachova, Alexei S. Melnikov, Vladislav V. Gurzhiy, Sergey P. Tunik, Matti Haukka, Tapani A. Pakkanen, and Igor O. Koshevoy|2013|Organometallics|32|4061|doi:10.1021/om301100v
CCDC 937898: Experimental Crystal Structure Determination
Related Article: Thuy Minh Dau, Julia R. Shakirova, Antonio Doménech, Janne Jänis, Matti Haukka, Elena V. Grachova, Tapani A. Pakkanen, Sergey P. Tunik, Igor O. Koshevoy|2013|Eur.J.Inorg.Chem.||4976|doi:10.1002/ejic.201300615
CCDC 872766: Experimental Crystal Structure Determination
Related Article: Julia R. Shakirova, Elena V. Grachova, Alexei S. Melnikov, Vladislav V. Gurzhiy, Sergey P. Tunik, Matti Haukka, Tapani A. Pakkanen, and Igor O. Koshevoy|2013|Organometallics|32|4061|doi:10.1021/om301100v
CCDC 916953: Experimental Crystal Structure Determination
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CCDC 955946: Experimental Crystal Structure Determination
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CCDC 916954: Experimental Crystal Structure Determination
Related Article: Igor O. Koshevoy, Yuh-Chia Chang, Antti J. Karttunen, Julia R. Shakirova, Janne Jänis, Matti Haukka, Tapani Pakkanen, Pi-Tai Chou|2013|Chem.-Eur.J.|19|5104|doi:10.1002/chem.201204611