期刊
GREEN CHEMISTRY
卷 13, 期 11, 页码 3306-3311出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1gc15975e
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资金
- Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
Levoglucosenone is a synthetically valuable and versatile compound that is present as a minor product of cellulose pyrolysis. Here, we report the catalytic pyrolysis of cellulose by mixing with 1-butyl-2,3-dimethylimidazolium triflate ionic liquid (IL), forming levoglucosenone in high yield. The catalysis of the IL was selectively directed to form levoglucosenone, while the low content of IL (50%) effectively prevented formation of char, leading to a yield near 20% even at 250 degrees C. The thermally stable IL could be fully recovered from the mixture pyrolyzed up to 300 degrees Cand reutilized for pyrolysis.
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