Organo-transition metal surfactants, (η5-pentamethylcyclopentadienyl)iron cationic complexes with long-chain alkyl groups were prepared and their characteristics such as surface tension, redox, and photo-decomposition are discussed.
A comparative study of the reactivity of some dinuclear alkanediyl complexes of the type [L(CO)2M(CH2)nM(CO)2L] (where M = Fe and L = η5-C5H5, η-C5H4Me or η5-C5Me5 and n = 4–6 or M = Ru and L = η5-C5H5 and n = 5)
作者:Karol P. Finch、Mansoor A. Gafoor、Selwyn F. Mapolie、John R. Moss
DOI:10.1016/s0277-5387(00)86916-8
日期:1991.1
derivatives [L(CO)2 Fe(SO2)(CH2)4(SO2)Fe(CO)2L] (L = Cp′ or Cp*). Halogens cause cleavage of the MC bonds to give LM(CO)2X and X(CH2)nX (M = Fe, L = Cp′ or Cp*, X = Br or I and n = 4–6; M = Ru, L = Cp, X = Br or I and n = 5). Reactions of the di-iron or diruthenium compounds with Ph3CPF6 yield the cationic alkene, alkyl complexes [L(CO)2Mμ-(CnH2n- 1)} M(CO)2L]PF6 (M = Fe, L = Cp or Cp* and n = 4 or
Intermetallic Communication through Carbon Wires in Heterobinuclear Cationic Allenylidene Complexes of Chromium
作者:Normen Szesni、Matthias Drexler、Jörg Maurer、Rainer F. Winter、Frédéric de Montigny、Claude Lapinte、Stefan Steffens、Jürgen Heck、Bernhard Weibert、Helmut Fischer
DOI:10.1021/om0607301
日期:2006.11.1
CuI-catalyzed coupling of 15a with M}−Br (M} = Ru(CO)2Cp, Fe(CO)2Cp*) affords the binuclear complexes The symmetrical binuclear complex is formed by oxidative coupling of 15a with [Cu(OAc)2]. The attachment of a ferrocenyl group to the chromium center via PPh2 to give is achieved via displacement of a cis-CO ligand in by PPh2Fc. On addition of Co2(CO)8 to a Co2(CO)6 unit adds to the C⋮C bond to form a trinuclear
[(CO)5 M(THF)](M = Cr,W)与锂化的2-乙炔基喹啉反应,然后用[R 3 O] BF 4(R = Me,Et)将所得炔基五羰基金属化物烷基化,得到烯基亚烷基络合物其中亚烯基链的末端碳原子是N-烷基化喹啉环的一部分。[(CO)5 M(THF)](M = Cr,W)与锂化的2-乙炔基吡啶衍生物,Li [C⋮CC 5 H 4 BrN]和[Et 3 O] BF 4的反应得到烯基亚烷基络合物含有在5或6位溴化的末端六元N杂环。各种炔基可以通过[PdCl 2 ]引入环的5-位(PPH 3)2 ]催化的5-溴-取代的allenylidene复合物与末端炔烃HC⋮CR '(R'= TMS中,Ph,C耦合10 ħ 21,4-C 6 H ^ 4 -C⋮器CPh, 4-C 6 H 4 -C⋮CH,Fc(Fc =(C 5 H 4)FeCp),4-C 6 H 4 -C⋮CFc,4-C 6 H 4 -C⋮CC
Pentamethylcyclopentadienyl organoiron(II) hydrazone complexes: Synthesis, spectroscopic characterization, and second-order nonlinear optical properties. X-ray crystal structure of
作者:Mauricio Fuentealba、Loïc Toupet、Carolina Manzur、David Carrillo、Isabelle Ledoux-Rak、Jean-René Hamon
DOI:10.1016/j.jorganchem.2006.11.008
日期:2007.2
and electrochemical data of the organometallic hydrazones 4 and 5 clearly indicate a mutual donor–acceptor electronic influence resulting from conjugation between the end groups through the entire hydrazone backbone. Compounds 4 and 5 are strongly polarized D–π–A systems exhibiting low-lying intramolecular charge transfer bands in their electronic absorption spectra and enhanced second-order NLO properties
Oxidatively induced nucleophilic capture vs. degradation of cyclopentadienyl iron derivatives of simple carboxylic acids and of α-amino acids. A comparative study
作者:C. Amiens、G. Balavoine、F. Guibé
DOI:10.1016/0022-328x(93)80299-q
日期:1993.1
medium effects (especially the presence or absence of nucleophilic species). With simple carboxylic acid derivatives either homolytic dissociation (leading to alkyl radicals) or nucleophilic capture of the first-formed iron radical cations is observed, depending on the reaction conditions. With α-amino acid derivatives, an oxidative degradation to aldehyde is observed invariably, which is likely to