Regioselective addition of 1,3-dicarbonyl dianion to N-sulfonyl aldimines:: an expedient route to N-sulfonyl piperidines and N-sulfonyl azetidines

被引：19

作者：

Ghorai, Manas K. ^{[1
]}

Kumar, Amit ^{[1
]}

Halder, Sandipan ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Chem, Kanpur 208016, Uttar Pradesh, India

来源：

TETRAHEDRON | 2007年 / 63卷 / 22期

关键词：

1,3-Dianion; beta-keto ester; beta-dicarbonyl; delta-amino-beta-keto ester; delta-amino-beta-diketone; piperidine; azetidine;

D O I：

10.1016/j.tet.2007.03.081

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A simple route for the synthesis of delta-amino-beta-keto esters and delta-amino-beta-diketones is reported. This involves regioselective addition of 1,3-dianions derived from ethyl acetoacetate and acetyl acetone to N-sulfonyl aldimines. The delta-amino-beta-keto ester derivatives were further converted into the corresponding N-sulfonyl piperidines and N-sulfonyl azetidines. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：4779 / 4787

页数：9

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