Ytterbium-catalyzed formal [4+2] cycloaddition: Synthesis of chalcogen-quinolines 3-unsubstituted

被引：4

作者：

de Oliveira, Isadora M. ^{[1
]}

Darbem, Mariana P. ^{[2
]}

Esteves, C. Henrique A. ^{[2
]}

Pimenta, Daniel C. ^{[3
]}

Zukerman-Schpector, Julio ^{[4
]}

Stefani, Helio A. ^{[2
]}

Manarin, Flavia ^{[5
]}

机构：

[1] Univ Sao Paulo, Inst Quim, Dept Quim Fundamental, Sao Paulo, SP, Brazil

[2] Univ Sao Paulo, Fac Ciencias Farmacaut, Dept Farm, Sao Paulo, Brazil

[3] Inst Butantan, Sao Paulo, SP, Brazil

[4] Univ Fed Sao Carlos, Dept Quim, Sao Carlos, SP, Brazil

[5] Univ Estadual Oeste Parana, CECE, Toledo, PR, Brazil

来源：

TETRAHEDRON LETTERS | 2018年 / 59卷 / 44期

基金：

巴西圣保罗研究基金会;

关键词：

Quinolines; Ytterbium; Poly-substituted quinolones; Selenium; Internal alkynes; POLYSUBSTITUTED QUINOLINES; SUBSTITUTED QUINOLINES; TANDEM SYNTHESIS; 5+1 ANNULATION; DERIVATIVES; SELENIUM; ALKYNES; CHEMISTRY; EFFICIENT;

D O I：

10.1016/j.tetlet.2018.09.022

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A regioselective ytterbium-catalyzed annulation reaction between ethylglyoxalate, anilines and silylalkynes bearing selenyl- and telluryl-moieties for the formation of poly-substituted quinolones is described. A series of examples formed under mild conditions are presented, including a scaled-up reaction and a study on catalyst recyclability. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：3907 / 3911

页数：5

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