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Published July 1959 | public
Journal Article

α-metallocenyl carbonium ions


The results of the solvolysis reported in Table I demonstrate that α-metallocenyl carbonium ions are remarkably stable. Indeed, the rates indicate that these α-metallocenyl carbonium cations are of the same order of stability as the triphenylmethyl cation. Qualitative observations such as the solubility of ferrocenecarboxyaldehyde in dilute hydrochloric acid and the facile conversion of phenylferrocenylcarbinol to the corresponding methyl ether by refluxing aqueous methanol previously have implied a high order of stability for such ions.

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© 1959 American Chemical Society. Received May 6, 1959. Presented in part at the 135th Meeting of the American Chemical Society, Boston, Mass., April 5-10, 1959, cf. Abstracts p. 86-O. This work was supported in part by the National Science Foundation. [EAH] National Science Foundation Predoctoral Fellow. Contribution No. 2461, Gates and Crellin Laboratories, California Institute of Technology, Pasadena, California

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