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Kraftfeldrechnungen an linearen Oligopyrrolen: 2,2′-Bipyrrol, 2,2′-Furylpyrrol und Prodigiosen

Force field calculations on linear oligopyrroles: 2,2′-bipyrrole, 2,2′-furylpyrrole and prodigiosene (short communication)

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  • Organische Chemie Und Biochemie
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Monatshefte für Chemie / Chemical Monthly Aims and scope Submit manuscript

Abstract

Using a specific force field model, relative stabilities of 2,2′-bipyrrole and 2,2′-furylpyrrole conformers as well as of prodigiosene tautomers, configurations, and conformations, are studied. 2,2′-Bipyrrole adopts anantiperiplanar conformation in accord with other theoretical calculations and experimental findings. Its rotational barrier calculated by this method compares favourably to the one derived by other means. For the parent prodigiosene the (Z)sp,sp arrangement is found to be the most stable one. The two possible tautomers within its dipyrrin fragment do not show a significant energy difference.

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Falk, H., Streßler, G. & Müller, N. Kraftfeldrechnungen an linearen Oligopyrrolen: 2,2′-Bipyrrol, 2,2′-Furylpyrrol und Prodigiosen. Monatsh Chem 119, 505–508 (1988). https://doi.org/10.1007/BF00810431

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  • DOI: https://doi.org/10.1007/BF00810431

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