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Derivatives of ferrocene. III. Preparation of fulvenes from monoacetyl- and diacetylferrocenes

M. Furdík, Š. Toma, and J. Suchý

Komensky University, Bratislava

 

Abstract: cf. CA 55, 16508d.-From monoacetyl- and 1,1'-diacetylferrocene, as passive reaction components of NaOH-catalyzed aldol condensation with cyclopentadiene, both fulvenes, α-cyclopentadienylidenethylferrocene, dark-red, hexagonal, m. 88-9° (Kofler), C17H16Fe, and 1,1'-bis(α-cyclopentadienylidenethyl)ferrocene, dark-red, m. 134° (Kofler), were prepd. in high yield by reaction in quasi-heterogeneous phase in aq. EtOH. Their identities were proved by absorption infrared spectra, which showed higher conjugation as compared with the initial ketones.

Full paper in Portable Document Format: 158a547.pdf (in Slovak)

 

Chemical Papers 15 (8) 547–553 (1961)

Monday, May 27, 2024

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