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题名: Application of polysalen-ti(IV) complex for asymmetric cyanosilylation of benzaldehyde and its derivatives
作者: Jiang, WY;  Yao, XQ;  Song, YM;  Hu, XQ;  Chen, HL;  Bai, CM;  Zheng, Z
关键词: asymmetric cyanosilylation ;  polysalen-titanium complex ;  benzaldehyde ;  enantioselectivity ;  trimethylsilylcyanide
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2003
卷: 24, 期:1, 页:57-60
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: As a versatile intermediate, chiral alpha-cyanohydrins can be synthesized by asymmetric trimethylsilylcyanation of aldehydes. Schiff base-Ti complexes have been proven to be excellent catalysts for this reaction. Polysalen-Ti (IV) complex was successfully used in asymmetric trimethylsilylcyanation of benzaldehyde and its substitutes. The adducts of trimethylsilylcyanation of 4-CH3-C6H4CHO and 4-Cl-C6H4CHO were obtained with ee = 82 %, yield = 93 %, and ee = 82 %, yield = 98 %, respectively, at -40 degreesC. The catalyst could be recycled for 5 times while maitaining its activity and enantioselectivity at 20 degreesC.
关键词[WOS]: ALDEHYDES ;  TRIMETHYLSILYLCYANATION
语种: 英语
WOS记录号: WOS:000180791900014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139268
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, Liaoning, Peoples R China

Recommended Citation:
Jiang, WY,Yao, XQ,Song, YM,et al. Application of polysalen-ti(IV) complex for asymmetric cyanosilylation of benzaldehyde and its derivatives[J]. CHINESE JOURNAL OF CATALYSIS,2003,24(1):57-60.
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