Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 1273-73-0, is researched, Molecular C10BrFe, about Metallosupramolecular cluster assemblies based on donor-acceptor type structural frameworks. Syntheses, crystal structures and spectroscopic properties of novel triosmium alkylidyne carbonyl clusters bearing remote ferrocenyl units as electron donors, the main research direction is metallosupramol cluster donor acceptor framework; osmium alkylidyne ferrocenyl tetranuclear cluster; crystal structure osmium alkylidyne ferrocenyl cluster; mol structure osmium alkylidyne ferrocenyl cluster.Formula: C10BrFe.
Two pyridyl ligands containing redox-active ferrocenyl groups [Fe(η5-C5H5)(η5-C5H4C6H4R)] [R = C5H4N (I), NCH(C5H4N) (II)] have been prepared using a palladium-catalyzed aromatic cross-coupling reaction. Treatment of the cluster [Os3(μ-H)3(CO)9(μ3-CCl)] with one equivalent of 1,8-diaza-bicyclo[5.4.0]undec-7-ene in the presence of a ten-fold excess of the ferrocenyl ligands I and II produces the compounds [Os3(μ-H)2(CO)9(μ3-CNC5H4R’)] [R’ = C6H4(η5-C5H4)Fe(η5-C5H5) 1, R’ = CHNC6H4(η5-C5H4)Fe(η5-C5H5) 2] resp. in good yields. Both compounds 1 and 2 exhibit donor-π-acceptor structural frameworks and show considerable neg. solvatochromism in their UV/VIS spectra. Unlike 1 and 2 which possess extended donor-π-acceptor nature, the ferrocenyl-phosphine cluster derivative [Os3(μ-H)2(CO)9{μ3-CPPh2(η5-C5H4)Fe(η5-C5H4PPh2)}] 3 has also been synthesized in moderate yield by the same synthetic route using 1,1′-bis(diphenylphosphino)ferrocene as the nucleophile. The new clusters 1-3 have all been fully characterized by both spectroscopic and crystallog. methods. Conceptually, the classification of 1-3 as supermols. is straightforward, since mol. subunits with well defined intrinsic properties can be easily identified, thus affording a new type of covalently linked donor-acceptor system. Both structural features and spectroscopic data for compounds 1-3 are fully consistent with a zwitterionic formulation for these supramol. species. These results suggest that a strong interaction exists between the ferrocenyl moiety and the OS3C core in their ground states.
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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com