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Ferrocene carboxylic acid is an organometallic compound by Wendy zong
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Ferrocene carboxylic acid is an organometallic compound |
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Ferrocene carboxylic acid is an organometallic compound with the formula Fe(C5H5)2. It is the prototypical metallocene, a type of organometallic chemical compound consisting of two cyclopentadienyl rings bound on opposite sides of a central metal atom. Such organometallic compounds are also known as sandwich compounds.The rapid growth of organometallic chemistry is often attributed to the excitement arising from the discovery of ferrocene and its many analogues. Ferrocene is an air-stable orange solid that readily sublimes, especially upon heating in a vacuum. As expected for a symmetric and uncharged species, ferrocene is soluble in normal organic solvents, such as benzene, but is insoluble in water. It is stable to temperatures as high as 400 °C. Ferrocene carboxylic acid undergoes many reactions characteristic of aromatic compounds, enabling the preparation of substituted derivatives. A common undergraduate experiment is the Friedel-Crafts reaction of ferrocene with acetic anhydride (or acetyl chloride) in the presence of phosphoric acid as a catalyst. The preparation of phosphorus derivatives of ferrocenes are illustrative. In the presence of aluminium chloride Me2NPCl2 and ferrocene react to give ferrocenyl dichlorophosphine, while treatment with phenyldichlorophosphine under similar conditions forms P,P-diferrocenyl-P-phenyl phosphine. In common with anisole the reaction of ferrocene with P4S10 forms a dithiadiphosphetane disulfide. Synonym: FCA CAS: 1271-42-7 Assay: =99% (HPLC/NMR) Appearance: Yellow Powder Molecular: C11H10FeO2
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