Axially dissymmetric (R)-(+)-5,5',6,6',7,7',8,8' octahydro-[1,1']binaphthyldiimine chiral salen type-ligands for copper-catalyzed asymmetric aziridination |
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| Authors: | Shi Min Wang Chun-Jiang |
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| Affiliation: | State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, China. Mshi@pub.sioc.ac.cn |
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| Abstract: | Axially dissymmetric chiral diimine ligand 2 was prepared from the reaction of (R)-(+)-5,5',6,6',7,7',8,8'-octahydro-[1,1']binaphthyl-2,2'-diamine 1 with 2,6-dichlorobenzaldehyde. The catalytic asymmetric aziridination of alkenes was examined using this novel chiral ligand. Excellent enantioselective aziridination of cinnamates was achieved using C(2)-symmetric chiral ligand 2. |
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| Keywords: | (R)‐(+)‐5,5′,6,6′,7,7′,8,8′‐octahydro‐[1,1′]binaphthyl‐2,2′‐diamine asymmetric aziridination axially dissymmetric chiral diimine ligand [N‐(p‐tolylsulfonyl)imino]phenyliodane (R)‐(+)‐1,1′‐binaphthyl‐2,2′‐diamine |
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