期刊
APPLIED CATALYSIS A-GENERAL
卷 346, 期 1-2, 页码 112-116出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcata.2008.05.012
关键词
solvent-free oxidation; dioxygen; allylic oxidation; epoxidation; catalyst
资金
- Japan Society for the Promotion of Science (JSPS)
Oxidation of cycloolefins was effectively performed under aerobic (1 atm dioxygen) and mild solvent-free conditions using mesoporous CrMCM-41 molecular sieve catalyst. For instance, Cycloolefins (C(5)-C(7)) were selectively oxidized to the corresponding alpha,beta-unsaturated ketones (for example, cyclohexene - 52.2% conversion and 71.2% selectivity) and cycloolefins (C(8)-C(12)) were oxidized to epoxides (for example, cis-cyclooctene - 50% conversion and >99% selectivity) at 323-353 K for 24 h. The catalytic activity over recycled catalyst remains nearly same. (C) 2008 Elsevier B.V. All rights reserved.
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