82888-97-9Relevant academic research and scientific papers
Silver-coordinated aza-pyrrolidone complex, and preparation method and application thereof
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Paragraph 0044-0046, (2021/07/08)
The invention discloses a silver-coordinated aza-pyrrolidone complex, and a preparation method and application thereof. The complex is composed of an aza-pyrrolidone ligand, a silver metal center and a triphenylphosphine auxiliary ligand, the raw materials are relatively cheap, and the synthesis method is simple; and the prepared complex shows relatively strong absorption in an ultraviolet region and a near-infrared region, and can be excited by near-infrared light, so that the damage of an excitation light source to a biological sample can be weakened, and the complex has relatively deep tissue penetration depth in the field of living body application, and is more suitable for biological imaging and deep photodynamic photo-thermal combined treatment.
Janus-Type Bis(maloNHC) and Its Zwitterionic Gold and Silver Metal Complexes
Carter, Ashley,Mason, Alexander,Baker, Michael A.,Bettler, Donald G.,Changas, Angelo,McMillen, Colin D.,Tapu, Daniela
, p. 1867 - 1872 (2017/05/15)
A new Janus-type dianionic bis(maloNHC) (1) was synthesized and characterized by NMR spectroscopy. The utility of this extended biscarbene for the construction of homobimetallic systems has been demonstrated by its coordination to two coinage metals. The resulting zwitterionic metal complexes of the type [(Ph3P)M(1)M(PPh3)] (M = Au, Ag) have been fully characterized. The X-ray crystallography shows that the new ligand positions the two metal centers at a distance of 24.2 ?, the longest distance reported to date for any related NHC ligand.
Metal complexes with mono- and bis{[bis(2-pyridyl)amino]carbonyl}ferrocene ligands
Aguado, Javier E.,Crespo, Olga,Gimeno, M. Concepcion,Jones, Peter G.,Laguna, Antonio,Nieto, Yolanda
, p. 3031 - 3039 (2009/03/11)
The ligands {[bis(2-pyridyl)amino]carbonyl}ferrocene (L1) and 1,1′-bis{[bis(2-pyridyl)amino]carbonyl}ferrocene (L2) have been prepared by treatment of the mono- or 1,1′-bis(chlorocarbonyl)ferrocene derivatives with dipyridylamine in a 1:1 or 1:2 ratio, respectively. The ligand properties of these compounds towards group 11 and palladium complexes have been studied. Ligand L1 coordinates to these compounds to give four-coordinate [Cu(L1) 2]+, [PdCl2(L1)] and [Ag(OTf)(L1)(PR 3)] or three-coordinate [Ag(OTf)(L1)] and [Au(C6F 5)(L1)] compounds. The ligand coordinates in a chelate fashion in all cases. The reactivity of L2 is somewhat different because coordination to copper or silver atoms can take place through several pyridine units either from different cyclopentadienido rings, as in [Cu(L2)]+, [Ag 2(OTf)2-(L2)] and [Ag(OTf)(L2)(PPh3)], or from the same cyclopentadienido ring, as in [Ag2(OTf)2(L2) (PPh3)2]. Coordination as a bridging ligand for four gold atoms has also been achieved in [Au4(C6F5) 4(L2)] and [Au4(L2)(PPh3)4](OTf) 4. The ligands and some complexes have been characterized by X-ray diffraction studies and show the presence of several hydrogen bonds that lead to supramolecular structures. Wiley-VCH Verlag GmbH & Co. KGaA, 2008.
Synthesis of (phosphine)silver(I) trifluoromethanesulfonate complexes and the molecular structure of di-μ-trifluoromethylsulfonate-(tetrakis-triphenylphosphine)disilver(I)
Lettko, Linda,Wood, John S.,Rausch, Marvin D.
, p. 37 - 44 (2008/10/08)
Reactions of silver trifluoromethanesulfonate (triflate) and equimolar amounts of triphenylphosphine, 1,2-bis(diphenylphosphino)ethane, bis(diphenylphosphino)methane, or 1,1-bis(diphenylphosphino)ethane in either DME or CH2Cl2 solution produced the corresponding 1:1 complexes [(L)Ag(I)(SO3CF3)] (2-5) in > 80% yields. A related 2:1 complex [(Ph3P)2Ag(I)(SO3CF3)] (1) was also obtained using 2 equiv. of Ph3Ph. Both 31P NMR variable temperature solution spectra as well as solid state spectra were recorded for the new complexes, and were generally helpful in structural assignments. An X-ray crystallographic study of 1 shows this to be a dimeric complex with bridging triflate ions; the silver atoms having distorted tetrahedral coordination. (C) 2000 Elsevier Science S.A.
Synthesis and reactivity of the first (hydrosulfido)gold(III) complex. Crystal structure of the derivatives NBu4[{Au(C6F5)3}2SR] with the isolobal fragments R = H, AuPPh3, AgPPh3
Canales, Fernando,Canales, Silvia,Crespo, Olga,Concepción Gimeno,Jones, Peter G.,Laguna, Antonio
, p. 1617 - 1621 (2008/10/08)
The treatment of NBu4[AuBr(C6F5)3] with NaSH affords the (hydrosulfido)gold(III) complex NBu4[Au(C6F5)3SH]. The latter compound reacts with [Au(C6F5/s
