So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Wong, Wai-Yeung; Wong, Wing-Tak; Cheung, Kung-Kai researched the compound: Bromoferrocene( cas:1273-73-0 ).Application of 1273-73-0.They published the article 《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》 about this compound( cas:1273-73-0 ) in Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry. Keywords: metallosupramol cluster donor acceptor framework; osmium alkylidyne ferrocenyl tetranuclear cluster; crystal structure osmium alkylidyne ferrocenyl cluster; mol structure osmium alkylidyne ferrocenyl cluster. We’ll tell you more about this compound (cas:1273-73-0).
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