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Asymmetric hydrogenation in nanoreactors with encapsulated Rh-MonoPhos catalyst
Zhong, Mingmei1,2; Zhang, Xiaoming1,2; Zhao, Yaopeng1; Li, Can1; Yang, Qihua1
Source PublicationGREEN CHEMISTRY
2015
DOI10.1039/c4gc01767f
Volume17Issue:3Pages:1702-1709
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Multidisciplinary
WOS Research AreaChemistry
WOS KeywordENANTIOSELECTIVE CARBONYL-ENE ; PHOSPHORUS LIGANDS ; IMMOBILIZATION ; SILICAS ; COMPLEXES ; POLYMER
AbstractThe asymmetric multicomponent catalyst, Rh-MonoPhos, was successfully encapsulated in the nanocages of mesoporous silicas with cage-like structure (FDU-12 and C-FDU-12). The resulting solid catalyst exhibits excellent activity (TOF 2052 h(-1)) and enantioselectivity (93% ee) in the asymmetric hydrogenation of olefin derivatives. The solid catalyst with Rh(MonoPhos)(2) in nanocages affords considerably higher activity than that with Rh(MonoPhos)(1) or Rh(MonoPhos)(3) in nanocages. Combined with the ESI-MS results, it could be supposed that RhL2(nbd) may be active species or the precursors for active species. Moreover, the solid catalyst with C-FDU-12 (inner surface modified by a thin carbon layer) as host material shows considerably higher activity and enantioselectivity than that with pure silica FDU-12 as host material in the asymmetric hydrogenation of different types of olefin derivatives, indicating that the microenvironment modification is one of the key factors for improving the catalytic performance of the solid catalyst. The solid catalysts possess high stability and could be reused for at least 7 times.
Language英语
WOS IDWOS:000351091300043
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/146074
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhong, Mingmei,Zhang, Xiaoming,Zhao, Yaopeng,et al. Asymmetric hydrogenation in nanoreactors with encapsulated Rh-MonoPhos catalyst[J]. GREEN CHEMISTRY,2015,17(3):1702-1709.
APA Zhong, Mingmei,Zhang, Xiaoming,Zhao, Yaopeng,Li, Can,&Yang, Qihua.(2015).Asymmetric hydrogenation in nanoreactors with encapsulated Rh-MonoPhos catalyst.GREEN CHEMISTRY,17(3),1702-1709.
MLA Zhong, Mingmei,et al."Asymmetric hydrogenation in nanoreactors with encapsulated Rh-MonoPhos catalyst".GREEN CHEMISTRY 17.3(2015):1702-1709.
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