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题名: Enantioselective epoxidation of olefins catalyzed by two novel chiral poly-salen-Mn(III) complexes
作者: Yao, XQ;  Chen, HL;  Lu, WR;  Pan, GZ;  Hu, XQ;  Zheng, Z
关键词: enantioselective epoxidation ;  unfunctionalized olefins ;  chiral poly-salen-Mn(III) complexes
刊名: TETRAHEDRON LETTERS
发表日期: 2000-12-23
卷: 41, 期:52, 页:10267-10271
收录类别: CCR ;  SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Organic
研究领域[WOS]: Chemistry
英文摘要: Two novel chiral poly-salen-Mn(III) complexes 1 and 2, derived from (R,R)-1,2-diaminocyclohexane and the disalicylaldehydes 5 and 6 were synthesized and employed in the enantioselective epoxidation of olefins. A range of 30-92% ee and 75-97% yield was achieved in NaClO/4-PPNO and m-CPBA/NMO oxidant systems when substituted styrenes and substituted 2,2-dimethylchromenes were used as substrates. Furthermore, the poly-salen-Mn(III) complexes could be recovered easily and recycled efficiently several times by a simple catalysis/separation method. After five reactions, an 82% ee and 78% yield of epoxide were obtained using 2,2-dimethylchromene as substrate. (C) 2000 Elsevier Science Ltd. All rights reserved.
语种: 英语
WOS记录号: WOS:000165916600023
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138783
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, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Yao, XQ,Chen, HL,Lu, WR,et al. Enantioselective epoxidation of olefins catalyzed by two novel chiral poly-salen-Mn(III) complexes[J]. TETRAHEDRON LETTERS,2000,41(52):10267-10271.
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