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January 1, 2000Journal of the Chemical Society Perkin Transactions 2

Oxidative trimerization of indole: on the formation of dications and radical cations by reaction of indole and nitrosobenzene in the presence of acids

Lucedio Greci Giampaolo Tommasi Rita Petrucci Giancarlo Marrosu Antonio Trazza Paolo Sgarabotto L. Righi Angelo Alberti

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Abstract

The reactions of indole with nitrosobenzene in the presence of acetic, monochloroacetic, monobromoacetic and trichloroacetic acid afford as the main product a deep-green precipitate, which in a preceding study had been erroneously identified as the aminyl radical of a trimer indole. The identity of the minor products was confirmed. This paper deals with the determination of the correct structure of the compounds contained in the precipitate through a study based on chemical reactions, electrochemical measurements and X-ray analysis.

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Greci et al. (2000) studied this question.

synapsesocial.com/papers/6a9dde03d845b020427e26e2 https://doi.org/10.1039/b001609h

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