2007, №4

сс. 30-42

Reactions of Ozone with Organic Substrates in Supercritical Carbon Dioxide

2007, №4

сс. 30-42

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D.A. Lemenovskii, S.A. Yurin, V.V. Timofeev, V.K. Popov, V.N. Bagratashvili, Yu.E. Gorbaty, G.P. Brusova, V.V. Lunin

Key words: ozone, ozonation of organic substances, supercritical carbon dioxide (SC-CO2), dicyclopentadiene

The new original procedure for preparative reactions of ozone with organic substrates in supercritical (SC) fluids as solvents is proposed. Reactions of ozone with o-isopropenylaniline and dicyclopentadiene as model substrates are investigated, and their products are identified using GC-MS, IR- and NMR-spectroscopies. It is demonstrated that in the case of reaction of ozone with o-isopropenylaniline SC-CO2 not only plays the role of efficient solvent for both ozone and organic substrate, but also stabilizes ozone (prevents its decomposition)  and participates in the process as a co-reactant.