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Umpolung Reactions of α-Tosyloximino Esters in a Flow System
Synlett ( IF 2 ) Pub Date : 2020-09-03 , DOI: 10.1055/s-0040-1707265
Makoto Shimizu 1, 2 , Iwao Hachiya 1 , Kazuki Ota 1 , Shinya Fukumoto 1 , Taiki Iwase 1 , Isao Mizota 1
Affiliation  


Abstract

An umpolung reaction of α-tosyloximino esters in a flow system is disclosed. Tandem N,N-dialkylations with two different Grignard reagents gave the desired N,N-dialkylated products in moderate to good yields. In addition, a tandem N,N,C-trialkylation of an α-tosyloximino ester with three different Grignard reagents has been successfully achieved to afford the desired N,N,C-trialkylated product in moderate yield.



Publication History

Received: 20 July 2020

Accepted after revision: 03 August 2020

Publication Date:
03 September 2020 (online)

© 2020. Thieme. All rights reserved

Georg Thieme Verlag KG
Rüdigerstraße 14, 70469 Stuttgart, Germany



中文翻译:

流动系统中α-Tosyloximino酯的Umpolung反应


摘要

公开了在流动系统中α-甲苯磺酰氨基酯的加速反应。用两种不同的格氏试剂串联NN-二烷基化以中等至良好的产率得到所需的NN-二烷基化的产物。另外,已经成功实现了用三种不同的格氏试剂对α-甲苯磺酰氨基酯进行的串联的NNC-三烷基化,以中等收率提供了所需的NNC-三烷基化的产物。



出版历史

收到:2020年7月20日

修订后接受:2020年8月3日

发布日期:
2020年9月3日(在线)

©2020年。Thieme。版权所有

Georg Thieme Verlag
KGRüdigerstraße14,70469斯图加特,德国

更新日期:2020-09-05
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