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Derivatives of ferrocene. XVI. Evidence of formation of ferrocene with an α,α'-dioxopentamethylene, or pentamethylene heteroannular chain bridging

M. Furdík, P. Elečko, and Š. Kováč

Department of Organic Chemistry, Faculty of Natural Sciences, Komenský University, Bratislava

 

Abstract: 1,1'-(α,α'-Diketopentamethylene)ferrocene was synthetized by two methods (Scheme 1), different from that one used in our preceding paper [3], confirming our conception given in the previous papers [1—3] that the base-catalysed aldole condensation of 1,1'-diacetylferrocene with aldehydes, followed by the intramolecular Michael addition, yields the above mentioned substance. Interpretation of the infra-red spectra of both the 1,1'-(α,α'-diketopentamethylene)ferrocene and its reduction product with the penta- 'methylene chain bridging supports also the conception on the structure of the substances in question.

Full paper in Portable Document Format: 217a501.pdf (in Slovak)

 

Chemical Papers 21 (7) 501–506 (1967)

Wednesday, May 22, 2024

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