ICCAS OpenIR
Modification of diphenylamine-linked bis(oxazoline) ligands: Tuning of electronic effect and rigidity of ligand skeleton
Liu Han1,2; Li Wei1,2; Du DaMing1,2,3
2009-09-01
Source PublicationSCIENCE IN CHINA SERIES B-CHEMISTRY
ISSN1006-9291
Volume52Issue:9Pages:1321-1330
AbstractThe electronic effect of diphenylamine-linked bis(oxazoline) ligands was tuned through introduction of electron-withdrawing bromo and nitro substituents onto the 4 and 4' position. The variation of the NH bond acidity was determined by the different chemical shifts of NH. The catalytic activity and enantioselectivity of the modified ligands were tested in the asymmetric Friedel-Crafts alkylation of indole with beta-nitrostyrene. The effect of ligand skeleton rigidity was also investigated through the synthesis of iminodibenzyl-linked bis(oxazoline) ligands and evaluation of their catalytic activity in Friedel-Crafts alkylation.
KeywordAsymmetric Catalysis Electronic Effect Bis(Oxazoline) Friedel-crafts Alkylation
DOI10.1007/s11426-009-0179-8
Indexed BySCI
Language英语
WOS IDWOS:000270191100006
PublisherSCIENCE PRESS
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/65828
Collection中国科学院化学研究所
Corresponding AuthorDu DaMing
Affiliation1.Peking Univ, Coll Chem & Mol Engn, BNLMS, Beijing 100871, Peoples R China
2.Peking Univ, Coll Chem & Mol Engn, Key Lab Bioorgan Chem & Mol Engn, Beijing 100871, Peoples R China
3.Beijing Inst Technol, Sch Chem Engn & Environm, Beijing 100081, Peoples R China
Recommended Citation
GB/T 7714
Liu Han,Li Wei,Du DaMing. Modification of diphenylamine-linked bis(oxazoline) ligands: Tuning of electronic effect and rigidity of ligand skeleton[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,2009,52(9):1321-1330.
APA Liu Han,Li Wei,&Du DaMing.(2009).Modification of diphenylamine-linked bis(oxazoline) ligands: Tuning of electronic effect and rigidity of ligand skeleton.SCIENCE IN CHINA SERIES B-CHEMISTRY,52(9),1321-1330.
MLA Liu Han,et al."Modification of diphenylamine-linked bis(oxazoline) ligands: Tuning of electronic effect and rigidity of ligand skeleton".SCIENCE IN CHINA SERIES B-CHEMISTRY 52.9(2009):1321-1330.
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