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Design and synthesis of some new C2‐symmetric chiral disulfonamides from aminoacids and the application in diethyl zinc addition to benzaldehyde

 

作者: Wang Jian‐Qiang,   Zhong Min,   Lin Guo‐Qiang,  

 

期刊: Chinese Journal of Chemistry  （WILEY Available online 1998）
卷期: Volume 16, issue 1  

页码: 65-77

 

ISSN:1001-604X

 

年代: 1998

 

DOI:10.1002/cjoc.19980160111

 

出版商: Wiley‐VCH Verlag GmbH&Co. KGaA

 

关键词: Aminoacids;disulfonamides;diethyl zinc;benzaldehyde;asymmetric addition

 

数据来源: WILEY

 

摘要:

AbstractNine C2‐symmetric chiral disulfonamides were designed and synthesized fromL‐valine,L‐phenylalanine andL‐leucine respectively via one‐pot ring opening of aziridines. The application of these disulfonamides as catalyst in the addition of diethyl zinc to benzaldehyde in three reagent systems: Ligand‐Ti(OiPr)r‐Et2Zn; Ligand‐Ti(O'Pr)d‐HzO‐Et2Zn; Ligand‐Et2

 

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