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Epoxide ring-opening reaction promoted by ionic liquid reactivity: interplay of experimental and theoretical studies
Chen, Shengxin1; Zeng, Guixiang2; Li, Yingwei1,3; He, Bin1,3; Liu, Ruixia1,3; Zhang, Suojiag1,3
2019-10-21
Source PublicationCATALYSIS SCIENCE & TECHNOLOGY
ISSN2044-4753
Volume9Issue:20Pages:5567-5571
AbstractIonic liquids (ILs) have been widely introduced recently into the epoxide ring-opening reaction as catalysts or solvent without considering the chemical stability of ILs in propylene oxide (PO). Through a combination of electrospray-ionization quadrupole time-of-flight mass spectrometry (ESI-QTOF-MS) investigations and quantum-chemical calculations, we demonstrate that AC- (acetate) and MC-(methylcarbonate) based ILs exhibit modified activity for ring opening of PO compared with the reaction between ILs and epoxide compounds. The chemically unstable ILs and the solvent effect can also dominate the catalytic performance of the coupling reaction of PO with methanol. Based on these findings, we further design the reaction process for highly efficient synthesis of propylene glycol methyl ether, in which the yield of the main product increased more than 40% under the same ILs catalysts. The results explained how the chemical instability and substrate affected the PO coupling reaction and further controlled it.
DOI10.1039/c9cy00953a
Language英语
WOS KeywordPROPYLENE-OXIDE ; 1-METHOXY-2-PROPANOL ; STABILITY ; MECHANISM ; CATALYST ; METHANOL ; SOLVENTS
Funding ProjectNational Nature Science Foundation of China[21878315] ; One Hundred Talent Program of CAS ; K. C. Wong Education Foundation[GJTD-2018-04]
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
Funding OrganizationNational Nature Science Foundation of China ; One Hundred Talent Program of CAS ; K. C. Wong Education Foundation
WOS IDWOS:000490981500003
PublisherROYAL SOC CHEMISTRY
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/31200
Collection中国科学院过程工程研究所
Corresponding AuthorLiu, Ruixia; Zhang, Suojiag
Affiliation1.Inst Proc Engn, Beijing Key Lab Ion Liquids Clean Proc, CAS Key Lab Green Proc & Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Nanjing Univ, Kuang Yaming Honors Sch, Nanjing 210023, Jiangsu, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Chen, Shengxin,Zeng, Guixiang,Li, Yingwei,et al. Epoxide ring-opening reaction promoted by ionic liquid reactivity: interplay of experimental and theoretical studies[J]. CATALYSIS SCIENCE & TECHNOLOGY,2019,9(20):5567-5571.
APA Chen, Shengxin,Zeng, Guixiang,Li, Yingwei,He, Bin,Liu, Ruixia,&Zhang, Suojiag.(2019).Epoxide ring-opening reaction promoted by ionic liquid reactivity: interplay of experimental and theoretical studies.CATALYSIS SCIENCE & TECHNOLOGY,9(20),5567-5571.
MLA Chen, Shengxin,et al."Epoxide ring-opening reaction promoted by ionic liquid reactivity: interplay of experimental and theoretical studies".CATALYSIS SCIENCE & TECHNOLOGY 9.20(2019):5567-5571.
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