1271-47-2Relevant articles and documents
Benkeser, R. A.,Fitzgerald, W. P.
, p. 4179 - 4180 (1961)
Ferrocenylethenylsilatranes and a cymantrenylsilatrane
Pedersen, Bjorn,Wagner, Gabriele,Herrmann, Rudolf,Scherer, Wolfgang,Meerholz, Klaus,Schmaelzlin, Elmar,Braeuchle, Christoph
, p. 129 - 137 (1999)
The syntheses, properties and crystal structures of two isomeric ferrocenylethenylsilatranes and 1-(3-methylcymantrenyl)silatrane are reported. The organometallic moieties and the silatrane show little structural influence on each other. The Si-N distance
Synthesis, Structure, Electrochemical, and Spectroscopic Properties of Hetero-Bimetallic Ru(II)/Fe(II)-Alkynyl Organometallic Complexes
Sil, Amit,Ghosh, Utsav,Mishra, Vipin Kumar,Mishra, Sabyashachi,Patra, Sanjib K.
, p. 1155 - 1166 (2019)
A series of heterobimetallic wire-like organometallic complexes [(tpy-C6H4-R)(PPh3)2Ru-C-C-Fc]+ (tpy-C6H4-R = 4′-(aryl)-2,2′:6′,2′′-terpyridyl, Fc = [(η5-Cp)2Fe], R = -H, -Me, -F, -NMe2 in complexes 5-8, respectively) featuring ferrocenyl and 4′-(aryl)-2,2′:6′,2′′-terpyridyl ruthenium(II) complexes as redox active metal termini, have been synthesized. Various spectroscopic tools, such as multinuclear NMR, IR spectra, HRMS, CHN analyses, and single crystal X-ray crystallography have been utilized to characterize the heterobimetallic complexes. The electrochemical and UV-vis-NIR spectroscopic studies have been investigated to evaluate the electronic delocalization across the molecular backbones of the Ru(II)-Fe(II) heterobinuclear organometallic dyads. Electrochemical studies reveal two well-separated reversible redox waves as a result of successive oxidation of the ferrocenyl and Ru(II) redox centers. The spin density distribution analyses reveal that the initial oxidation process is associated with the Fe(II)/Fe(III) couple followed by one electron oxidation of the ruthenium(II) center. The high Kc value (0.11-1.73 × 1012) and intense NIR absorption, with molar absorption coefficient (in the order of 103 M-1 cm-1) for the RuIIFeIII mixed-valence species, signify strong electronic communication between the two metal termini. The electronic coupling constant (Hab) has been estimated to be 492 and 444 cm-1 for the structurally characterized complexes 6 and 7, respectively. The redox and NIR absorption features indicate that the mixed-valence system of the heterobinuclear dyads belongs to a Robin and Day "class II" system.
A practical synthesis of ethynylferrocene from ferrocene carboxaldehyde: Structure of 1,4-diferrocenyl-1,3-butadiyne
Rodriguez, Jose-Gonzalo,Onate, Antonio,Martin-Villamil, Rosa M.,Fonseca, Isabel
, p. 71 - 76 (1996)
Ethynylferrocene was satisfactoryly obtained by a Wittig reaction between ferrocene carboxaldehyde and chloromethylentriph-enylphosphonium ylid to give an E/Z mixture of 2-chloro-1-ferrocenylethene. Both isomers were isolated pure by chemical methods. Reaction of the isomers mixture with n-butyllithium allowed ethynylferrocene to be obtained in good yield. The method was applied in one pot giving the ethynylferrocene and (E/Z)-1,4-diferrocenyl-but-1-en-3-yne as a secondary product. Oxidative coupling to 1,4-diferrocenyl-1,3-butadiyne has been carried out in quantitative yields. A single-crystal analysis of the diyne was carried out, but the compound is unreactive in solid state.
Rosenblum, M.,Brawn, M.,Papenmeier, J.,Applebaum, N.
, p. 173 - 180 (1966)
Schloegl, K.,Steyrer, W.
, (1965)
Synthesis of a diferrocenylvinylidene complex by migration of a ferrocenyl substituent
Korb, Marcus,Moggach, Stephen A.,Low, Paul J.
supporting information, p. 4251 - 4254 (2021/05/05)
An unusual 1,2-ferrocenyl migration has been observed following reactions of [Ru(dppe)Cp][BArF4] with diferrocenylacetylene, extending the scope of group rearrangments beyond methyl (Wagner-Meerwein) and phenyl entities. Ferrocene-containing bis(alkynes) RCCArCCR (R = Fc, Ar = 1,4-phenylene; R = Ph, Ar = 1,1′-ferrocenylene) gave bimetallic bis(vinylidene) complexes following two consecutive rearrangements.
Novel ferrocene-labeled propargyl amines via CuI multicomponent amination/alkynylation
Srivastava, Suman
supporting information, p. 6469 - 6471 (2019/05/04)
An efficient synthesis of ferrocene-tagged propargyl amine derivatives via one-pot three-component domino amination/alkynylation in water is reported. The synthesis involves a single Cu(i) catalyst without addition of a ligand, has broad substrate applicability and gives excellent yields.
