Journal
JOURNAL OF ORGANIC CHEMISTRY
Volume 74, Issue 9, Pages 3335-3340Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jo900226b
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Funding
- Program for Support of Leading Scientific Schools of the Russian Federation [NSh 2942.2008.3]
- Grant of President of the Russian Federation [MK-3515.2007.3]
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A facile, experimentally simple, and selective method was developed for the synthesis of bridged 1,2,4,5-tetraoxanes based on the reaction of hydrogen peroxide with beta-diketones catalyzed by strong acids (H2SO4, HClO4, HBF4, or BF3). The yields of the target products vary from 44% to 77%. 1,2,4,5-Tetraoxanes can easily be separated from other reaction products by column chromatography. A high concentration of a strong acid is a key factor determining the selectivity of formation and the yield of 1,2,4,5-tetraoxanes. Unlike many compounds containing the O-O bond. which undergo rearrangements in acidic media, the resulting cyclic peroxides are quite stable under these conditions.
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