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Application of polysalen-ti(IV) complex for asymmetric cyanosilylation of benzaldehyde and its derivatives
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
2003
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
关键词[WOS]ALDEHYDES ; TRIMETHYLSILYLCYANATION
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.
语种英语
WOS记录号WOS:000180791900014
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139268
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
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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.
APA Jiang, WY.,Yao, XQ.,Song, YM.,Hu, XQ.,Chen, HL.,...&Zheng, Z.(2003).Application of polysalen-ti(IV) complex for asymmetric cyanosilylation of benzaldehyde and its derivatives.CHINESE JOURNAL OF CATALYSIS,24(1),57-60.
MLA Jiang, WY,et al."Application of polysalen-ti(IV) complex for asymmetric cyanosilylation of benzaldehyde and its derivatives".CHINESE JOURNAL OF CATALYSIS 24.1(2003):57-60.
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