Polymeric salen-Ti(IV) or V(V) complex catalyzed asymmetric synthesis of O-acetylcyanohydrins from KCN, Ac2O and aldehydes
文献类型：期刊论文
| 作者 | Huang, W; Song, YM; Wang, J; Cao, GY; Zheng, Z |
| 刊名 | tetrahedron
 |
| 出版日期 | 2004-11-08 |
| 卷号 | 60期号:46页码:10469-10477 |
| 关键词 | O-acetyl cyanohydrins recyclable polymeric salen-Ti(IV) complexes polymeric salen-V(V) complexes potassium cyanide alde-hyde asymmetric cyanation |
| 英文摘要 | polymeric salen-ti(iv) and v(v) complexes were employed in the enantioselective o-acetyl cyanation of aldehydes with potassium cyanide and acetic anhydride. the crosslinked polymeric salen-ti(iv) catalyst exhibited good activities and enantioselectivities, up to 91 % ee with 99 % conversion was obtained at -20degreesc with 1 mol % of catalyst (based on bimetallic catalytic unit). moreover, six consecutive recyclings with the easily recovered crosslinked polymeric catalyst showed no obvious decrease in either activity or enantioselectivity. linear polymeric salen-v(v) catalyst showed good catalytic efficiency too, up to 94 % ee with 99 % conversion was obtained at -42degreesc with 5 mol % of catalyst. (c) 2004 elsevier ltd. all rights reserved. |
| WOS标题词 | science & technology ; physical sciences |
| 类目[WOS] | chemistry, organic |
| 研究领域[WOS] | chemistry |
| 关键词[WOS] | highly enantioselective resolution ; chiral (salen)titanium complexes ; salen complexes ; trimethylsilyl cyanide ; terminal epoxides ; ionic liquids ; cyanohydrins ; cyanosilylation ; epoxidation ; ketones |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000224632300010 |
| 公开日期 | 2015-11-10 |
| 源URL | [http://159.226.238.44/handle/321008/139280]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 作者单位 | 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100864, Peoples R China |
| 推荐引用方式 GB/T 7714 | Huang, W,Song, YM,Wang, J,et al. Polymeric salen-Ti(IV) or V(V) complex catalyzed asymmetric synthesis of O-acetylcyanohydrins from KCN, Ac2O and aldehydes[J]. tetrahedron,2004,60(46):10469-10477. |
| APA | Huang, W,Song, YM,Wang, J,Cao, GY,&Zheng, Z.(2004).Polymeric salen-Ti(IV) or V(V) complex catalyzed asymmetric synthesis of O-acetylcyanohydrins from KCN, Ac2O and aldehydes.tetrahedron,60(46),10469-10477. |
| MLA | Huang, W,et al."Polymeric salen-Ti(IV) or V(V) complex catalyzed asymmetric synthesis of O-acetylcyanohydrins from KCN, Ac2O and aldehydes".tetrahedron 60.46(2004):10469-10477. |
入库方式： OAI收割
来源：大连化学物理研究所
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