Synthesis of Spiro[indoline-3,4′-pyrano[3,2-c]chromene]diones

被引：6

作者：

Ghadiri, Sakineh ^{[1
]}

Bayat, Mohammad ^{[1
]}

Hosseini, Fahimeh Sadat ^{[1
]}

机构：

[1] Imam Khomeini Int Univ, Dept Chem, Fac Sci, Qazvin, Iran

来源：

JOURNAL OF HETEROCYCLIC CHEMISTRY | 2018年 / 55卷 / 12期

关键词：

HETEROCYCLIC KETENE AMINALS; DERIVATIVES; MALONONITRILE; SCAFFOLDS; ISATIN;

D O I：

10.1002/jhet.3326

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new series of isatin-based spiro-fused derivatives were prepared, via three-component reaction of N-alkyl-1-(methylthio)-2-nitroethenamine derived from the addition of various amines to nitroketene dithioacetal with isatin derivatives and 4-hydroxycoumarin in ethanol as a solvent at reflux. The significant advantages of this protocol include simple operation under mild conditions, easy purification, good yields, and catalyst-free approach.

引用

页码：2693 / 2697

页数：5

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