Eosin Y-catalyzed one-pot synthesis of spiro[4H-pyran-oxindole] under visible light irradiation

被引：57
|
作者：
Chen, Meng-Nan [1 ]
Di, Jia-Qi [1 ]
Li, Jiao-Mian [1 ]
Mo, Li-Ping [1 ]
Zhang, Zhan-Hui [1 ]
机构：
[1] Hebei Normal Univ, Coll Chem & Mat Sci, Natl Demonstrat Ctr Expt Chem Educ, Hebei Key Lab Organ Funct Mol, Shijiazhuang 050024, Hebei, Peoples R China
来源：
TETRAHEDRON | 2020年 / 76卷 / 14期
基金：
中国国家自然科学基金;
关键词：
Spiro [4H-pyran-oxindole; Linear 1,3-dicarbonyl compounds; Multicomponent reaction; Eosin Y; Visible light; MEDIATED RADICAL ARYLDIFLUOROACETYLATION; MULTICOMPONENT REACTIONS; 3-COMPONENT SYNTHESIS; FUNCTIONALIZED SPIROOXINDOLE; EFFICIENT SYNTHESIS; N-ARYLACRYLAMIDES; HIGHLY EFFICIENT; L-PROLINE; DERIVATIVES; METAL;
D O I：
10.1016/j.tet.2020.131059
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
An efficient and simple synthetic approach has been developed for the preparation of biologically interesting spiro[oxindole-3,4'-(4'H-pyran)] derivatives via visible light-mediated one-pot, three-component reaction of isatins, 1,3-dicarbonyl compounds and malononitrile by using an inexpensive organic dye, Na-2 eosin Y, as the photocatalyst in aqueous ethyl lactate at ambient temperature. The substrate scope of this three-component reaction is expanded to linear 1,3-dicarbonyl compounds as viable starting materials. All rights reserved. (C) 2020 Elsevier Ltd. All rights reserved.
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页数：11
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