Abstract
The reaction of 5-phenylpenta-2,4-dienoic acid with benzene in CF3SO3H, depending on the reaction conditions, gives three products, namely, 5,5-diphenylpent-2-enoic acid and tetralone and indanone derivatives. These carbocyclic compounds are formed through the addition of two benzene molecules to the starting diene acid and subsequent intramolecular acylation.
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Russian Chemical Bulletin, International Edition, Vol. 69, No. 10, pp. 1928–1932, October, 2020
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 10, pp. 1928–1932, October, 2020.
This work was financially supported by the Russian Science Foundation (Project No. 18-13-00008 “Conjugated unsaturated structures (enynes, dienes, diynes, allenes, etc.) as sources of multisite electrophiles in the synthesis of biologically active compounds”).
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Ismagilova, A.R., Zakusilo, D.N., Osetrova, L.V. et al. Reaction of 5-phenylpenta-2,4-dienoic acid with benzene in trifluoromethanesulfonic acid. Russ Chem Bull 69, 1928–1932 (2020). https://doi.org/10.1007/s11172-020-2980-7
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DOI: https://doi.org/10.1007/s11172-020-2980-7