DICP OpenIR
Chemoselective hydrogenation of 3-nitrostyrene over a Pt/FeOx pseudo-single-atom-catalyst in CO2-expanded liquids
Xu, Gang1,2; Wei, Haisheng2; Ren, Yujing2; Yin, Jianzhong1; Wang, Aiqin2; Zhang, Tao2
Source PublicationGREEN CHEMISTRY
2016
ISSN1463-9262
DOI10.1039/c5gc01914a
Volume18Issue:5Pages:1332-1338
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Multidisciplinary
WOS Research AreaChemistry
WOS KeywordGAS-EXPANDED LIQUIDS ; FUNCTIONALIZED NITROARENES ; SUBSTITUTED NITROAROMATICS ; NITRO-COMPOUNDS ; CARBON-DIOXIDE ; VISCOSITY ; GOLD ; SOLUBILITY ; SUPPORT ; AMINES
AbstractChemoselective hydrogenation of substituted nitroarenes containing two reducible groups in one molecule is a highly desired approach to the synthesis of functionalized anilines. To make this process environmentally benign, we used a pseudo-single-atom-catalyst Pt/FeOx and investigated the reaction in supercritical CO2 and CO2-expanded toluene. The results showed that supercritical CO2 afforded excellent selectivity but low reactivity due to the limited substrate solubility in the reaction medium. By contrast, when the reaction proceeded in CO2 expanded toluene, both the conversion of 3-nitrostyrene and the selectivity of 3-vinylaniline reached above 95% under optimum conditions while the organic toluene amount could be reduced by 90% compared to that without CO2. The thermodynamic calculations revealed that the solubility of H-2 increased while the viscosity of the reaction system decreased with the CO2 pressure, which facilitated the mass transfer and therefore increased the reaction rate meanwhile keeping the selectivity at a high level.
Language英语
WOS IDWOS:000371608100021
PublisherROYAL SOC CHEMISTRY
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Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/171007
Collection中国科学院大连化学物理研究所
Corresponding AuthorYin, Jianzhong; Wang, Aiqin
Affiliation1.Dalian Univ Technol, State Key Lab Fine Chem, Sch Chem Machinery, Dalian 116024, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Xu, Gang,Wei, Haisheng,Ren, Yujing,et al. Chemoselective hydrogenation of 3-nitrostyrene over a Pt/FeOx pseudo-single-atom-catalyst in CO2-expanded liquids[J]. GREEN CHEMISTRY,2016,18(5):1332-1338.
APA Xu, Gang,Wei, Haisheng,Ren, Yujing,Yin, Jianzhong,Wang, Aiqin,&Zhang, Tao.(2016).Chemoselective hydrogenation of 3-nitrostyrene over a Pt/FeOx pseudo-single-atom-catalyst in CO2-expanded liquids.GREEN CHEMISTRY,18(5),1332-1338.
MLA Xu, Gang,et al."Chemoselective hydrogenation of 3-nitrostyrene over a Pt/FeOx pseudo-single-atom-catalyst in CO2-expanded liquids".GREEN CHEMISTRY 18.5(2016):1332-1338.
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