Sidearm as a Control in the Asymmetric Ring Opening Reaction of Donor-Acceptor Cyclopropane

被引:19
|
作者
Kang, Qikai [1 ]
Wang, Lijia [1 ]
Zheng, Zhongbo [1 ]
Li, Junfang [1 ]
Tang, Yong [1 ]
机构
[1] Chinese Acad Sci, Shanghai Inst Organ Chem, State Key Lab Organometall Chem, Shanghai 200032, Peoples R China
关键词
sidearm; oxazoline; asymmetric; ring opening; cyclopropane; HIGHLY ENANTIOSELECTIVE SYNTHESIS; ENOL SILYL ETHERS; MICHAEL ADDITION; LIGANDS; CYCLOADDITION; NITRONES; BETA; CONSTRUCTION; CATALYSIS; INDOLES;
D O I
10.1002/cjoc.201400053
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A new type of trisoxazoline and bisthiazoline based ligands have been developed, which are absent of chiral motif on the parent skeleton and containa chiral backbone on sidearm. The ligands promote the amine nucleophilic ring opening reaction of 1,1-cyclopropane diesters smoothly, furnishing the gamma-amino acid derivatives in high yield with moderate to good enantioselectivity.
引用
收藏
页码:669 / 672
页数:4
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