个人信息Personal Information
教授
博士生导师
硕士生导师
性别:男
毕业院校:兰州大学
学位:博士
所在单位:化工学院
学科:有机化学. 药物化学. 精细化工
办公地点:西部校区化工实验楼G-413
联系方式:0411-84986190 15942819406
电子邮箱:bmwang@dlut.edu.cn
Asymmetric [3+2] Cycloaddition of 3-Amino Oxindole-Based Azomethine Ylides and alpha,beta-Enones with Divergent Diastereocontrol on the Spiro[pyrrolidine-oxindoles]
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论文类型:期刊论文
发表时间:2017-04-07
发表刊物:ORGANIC LETTERS
收录刊物:SCIE、PubMed
卷号:19
期号:7
页面范围:1862-1865
ISSN号:1523-7060
摘要:A general and practical organocatalytic asymmetric 1,3-dipolar cycloaddition of 3-amino oxindole-based azomethine ylides and alpha,beta-enones has been developed. This reaction delivered spiro[pyrrolidine-2,3'-oxindole] products in high yields with excellent regio- and enantioselectivities (up to 99% yield, >20:1 rr, 99% ee). In addition, an array of spiro[dihydropyrrole-2,3'-oxindoles] were readily accessed by oxidative dehydrogenation. Notably, the inversion of the diastereoselectivity of the spiro[pyrrolidine-oxindole] product could be easily achieved through a facile oxidation-reduction process.
上一条:Assembly of Indolenines, 3-Amino Oxindoles, and Aldehydes into Indolenine-Substituted Spiro[pyrrolidin-2,3 '-oxindoles] via 1,3-Dipolar Cycloaddition with Divergent Diastereoselectivities
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