Journal
JOURNAL OF ENERGY CHEMISTRY
Volume 23, Issue 6, Pages 742-746Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S2095-4956(14)60207-2
Keywords
N-hydroxyphthalimide; ZIF-67; oxidation; ethylbenzene; acetophenone
Funding
- National Natural Science Foundation of China [21233008, 21103175, 20803074]
- Chinese Academy of Sciences [XDA05010203]
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Efficient catalytic oxidation of ethylbenzene to acetophenone was realized using the catalytic system of cobalt zeolitic imidazolate framework ZIF-67/N-hydroxyphthalimide (NHPI) under mild conditions. 95.2% conversion of ethylbenzene with 90.3% selectivity to acetophenone could be obtained at 373 K under 0.3 MPa o(2) for 9 h. The results show that there exists synergetic effect between ZIF-67 and NHPI. 1-Phenylethyl hydroperoxide (PEHP) was generated via a radical process involving the hydrogen abstraction from ethylbenzene by phthalimide N-oxyl, and subsequently effectively decomposed to acetophenone by ZIF-67.
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