Journal
CATALYSIS SCIENCE & TECHNOLOGY
Volume 8, Issue 19, Pages 5017-5023Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cy01413b
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Funding
- NNSFC [21202141]
- Jiangsu Provincial Six Talent Peaks Project [XCL-090]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (TAPP)
- Nature Science Foundation of Guangling College [ZKZD17005]
- Open Project Program of Jiangsu Key Laboratory of Zoonosis [R1509, R1609]
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Using carbohydrates as a cheap biomass carbon source, an efficient heterogeneous Se/C catalyst was easily fabricated for the regiospecific epoxidation of beta-ionone with ultrahigh catalyst turnover numbers (TON, up to 3.9 x 10(5)). The reaction was performed in ethyl acetate and produced (E)-4-(2,2,6-trimethyl-7-oxabicyclo[4.1.0]heptan-1-yl)but-3-en-2-one, an important chemical in flavor development and a key intermediate in the total synthesis of abscisic acid. This work not only provides a relatively green and regiospecific method for beta-ionone epoxidation, but also represents a breakthrough in Se catalyst development, making full use of Se resources to obtain a much higher catalyst TON compared with conventional homogeneous organoselenium catalysts.
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