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题名: Sustainable Production of o-Xylene from Biomass-Derived Pinacol and Acrolein
作者: Hu, Yancheng1;  Li, Ning1, 2;  Li, Guangyi1;  Wang, Aiqin1, 2;  Cong, Yu1;  Wang, Xiaodong1;  Zhang, Tao1, 2
关键词: acrolein ;  biomass conversion ;  cascade reactions ;  heteropoly acids ;  ionic liquids
刊名: CHEMSUSCHEM
发表日期: 2017-07-21
DOI: 10.1002/cssc.201700823
卷: 10, 期:14, 页:2880-2885
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: o-Xylene (OX) is a large-volume commodity chemical that is conventionally produced from fossil fuels. In this study, an efficient and sustainable two-step route is used to produce OX from biomass-derived pinacol and acrolein. In the first step, the phosphotungstic acid (HPW)-catalyzed pinacol dehydration in 1-ethyl-3-methylimidazolium chloride ([emim] Cl) selectively affords 2,3-dimethylbutadiene. The high selectivity of this reaction can be ascribed to the H-bonding interaction between Cl- and the hydroxy group of pinacol. The stabilization of the carbocation intermediate by the surrounding anion Cl- may be another reason for the high selectivity. Notably, the good reusability of the HPW/[emim] Cl system can reduce the waste output and production cost. In the second step, OX is selectively produced by a Diels-Alder reaction of 2,3-dimethylbutadiene and acrolein, followed by a Pd/C-catalyzed decarbonylation/aromatization cascade in a one-pot fashion. The sustainable two-step process efficiently produces renewable OX in 79% overall yield. Analogously, biomass-derived crotonaldehyde and pinacol can also serve as the feedstocks for the production of 1,2,4-trimethylbenzene.
关键词[WOS]: DIELS-ALDER CYCLOADDITION ;  RENEWABLE P-XYLENE ;  IONIC LIQUIDS ;  CATALYTIC CONVERSION ;  TRANSPORTATION FUELS ;  BIOBASED FURANICS ;  ETHYLENE-GLYCOL ;  ACID ;  CELLULOSE ;  2,5-DIMETHYLFURAN
语种: 英语
WOS记录号: WOS:000406052000005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152023
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, State Key Lab Catalysis, Dalian Inst Chem Phys, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.Chinese Acad Sci, iChEM Collaborat Innovat Ctr Chem Energy Mat, Dalian Inst Chem Phys, 457 Zhongshan Rd, Dalian 116023, Peoples R China

Recommended Citation:
Hu, Yancheng,Li, Ning,Li, Guangyi,et al. Sustainable Production of o-Xylene from Biomass-Derived Pinacol and Acrolein[J]. CHEMSUSCHEM,2017,10(14):2880-2885.
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