| Abstract: | The reaction of perfluorinated indene, 3-methylindene, and 1-methylene- and 1-ethylideneindans with hydrogen peroxide in the hydrogen fluoride—antimony pentafluoride medium takes place at the multiple bond of the substrate and leads to the oxo derivatives of indan. The process probably takes place through the electrophilic addition of HO+. The C=C bond in perfluoro-3-methylindenone is not affected. In this compound and also in perfluoro-2-indanone and perfluoro-1-methyl-2-indanone the carbonyl group is involved in reaction with hydrogen peroxide in the HF-SbF5 system, and six-membered oxygen-containing heterocyclic compounds are formed.For Communication 12, see 1].Novosibirsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk. Translated fromIzvestiya Akademii Nauk, Seriya Khimicheskaya, No. 6, pp. 1412–1419, June, 1992. |
