Fast and efficient synthesis of pyrano[3,2-c]quinolines catalyzed by niobium(V) chloride

被引：46
|
作者：
da Silva-Filho, Luiz Carlos [1 ,2 ]
Lacerda Junior, Valdemar [1 ,3 ]
Constantino, Mauricio Gomes [1 ]
Jose da Silva, Gil Valdo [1 ]
机构：
[1] Univ Sao Paulo, Dept Quim, Fac Filosofia Ciencias & Letras Ribeirao Pret, BR-14040901 Ribeirao Preto, SP, Brazil
[2] Univ Estadual Paulista, Ctr Estudos Insetos Sociais, Inst Biociencias, BR-13506900 Rio Claro, SP, Brazil
[3] Univ Fed Espirito Santo, Dept Quim, Ctr Ciencias Exatas, BR-29060900 Vitoria, ES, Brazil
来源：
SYNTHESIS-STUTTGART | 2008年 / 16期
基金：
巴西圣保罗研究基金会;
关键词：
Diels-Alder reactions; Lewis acids; catalysis; quinolines; Schiff bases;
D O I：
10.1055/s-2008-1067186
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A highly efficient two-step method for the synthesis of pyranoquinoline derivatives from imino-Diels-Alder reactions between aldimines and 3,4-dihydro-2H-pyran using niobium(V) chloride as catalyst under mild conditions is described.
引用
收藏
页码：2527 / 2536
页数：10
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