Ferrocenyl silver

B. (2000) Gold and Silver Complexes with the Ferrocenyl Phosphine FcCH2PPh2 [Fc = (Tl5-C5H5)Fe(h5-C5H4)]. Inorganic Chemistry, 39(4), 680-687. 

Barranco, E.M., Gimeno, M.C., Laguna, A. and Villacampa, M.D. (2005) Gold and silver complexes with the ferrocenyl-pyrazolate ligand FcCH2pz. Inorganica Chimica Acta, 358 (14), 4177 182. 

In addition to the well-known luminescent Re(NAN)(GO)3 moieties, the electrochemically active ferrocenyl groups were employed as building blocks for the construction of polynuclear silver(i) alkynyl complexes. Yip reported the synthesis, structural characterization, and electrochemistry of a tetranuclear complex, [Ag3(dppm)3(C=CFc)(OTf)]OTf 96 (Figure 43), with the Ag3(dppm)3 skeletal unit being capped by a ferrocenylethynyl ligand on one side and an OTP anion on the other, all in a /Z3-771-bonding mode.170... 

The Zhou group reported the use of silver acetate and /V,P-ferrocenyl ligand 97 in the azomethine cycloaddition with dimethyl maleate (76) as shown in Scheme 2.27... 

Zhou also reported a series of related P,S-ferrocenyl ligands and their use in the [3+2] cycloaddition of aryl-substituted azomethine ylides with A-phenylmalei-mide.52 While these silver complexes were able to efficiently catalyze the reaction, the enantioselectivity was lower than in the protocol described above. 

J.C. Mendina, T.T. Goodnow, M.T. Rojas, J.L. Atwood, B.C. Lynn, A.E. Kaifer, G.W. Gokel, Ferrocenyl iron as a Donor Group for Complexed Silver in Eerro-cenyldimethyl[2,2]Cryptand - A Redox-Switched Receptor Effective in Water , J. Am. Chem. Soc., 114,10583 (1992)... 

Hayashi and Ito have shown that the reaction of methyl isocyanoacetate (MeOCOCH2NC) with aldehydes is catalyzed by gold [339, 408, 752, 1060] or silver [951] complexes. In the presence of ferrocenyl bisphosphines 3.41 (R = CH2CH2NMe2 or CH2CH2N(CH2)5) the reaction is diastereo- and enantio-selective, and provides trans oxazolines 6.131. These oxazolines are precursors of... 

Stable organosilver derivatives of chloroferrocene have been prepared by the reaction of the corresponding boronic acid with silver salts in aqueous ammonia solution (equation 32)86 - 88 2-Silver(dimethylaminomethyl)ferrocene has been obtained by trans-metallation between silver bromide and the corresponding lithium ferrocenyl compound89. 

Ferrocenyl analogues 188, and a precatalyst version combined with a silver salt, have been tapped forenantioselective aza-Claisen rearrangement. Excellent asymmetric induction... 

Other X-ray characterized silver-ferrocenyl complexes include Fef(r/ -C5H3)(l-CH,NMe2)(2-Ag)] 4 [196], [Fe( j"-C5H4PPh2)3]Ag2(CeH5C02)... 

Martha CT, van Zeist W-J, Bickelhaupt FM, Irth H, Niessen WMA. Tandem mass spectrometry of silver-adducted ferrocenyl catalyst complexes in continuous-flow reaction detection systems. J Mass Spectrom. 2010 45 1332 3. 

Several mono-NHC complexes were obtained. For example, transmetallation from a silver-NHC complex afforded the preparation of an Rh-NHC complex, in which the NHC ligand was obtained from caffeine. Deprotonation of chiral ferrocenyl imidazolium salts allowed the preparation of chiral Rh(l)-NHC complexes that could also be P,C and S,C chelate. Dicyclophane imidazolium carbene ligands also provided an efficient way of obtaining chiral Rh-NHC catalysts. ... 

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