Synthesis of coumarin derivatives from 4-oxo-4H-1-benzopyran-3-carboxaldehyde via 3-(arylaminomethylene)chroman-2,4-dione

被引：47

作者：

Bandyopadhyay, C ^{[1
]}

Sur, KR ^{[1
]}

Patra, R ^{[1
]}

Sen, A ^{[1
]}

机构：

[1] Ramakrishna Mission Vivekananda Centenary Coll, Dept Chem, Rahara 743186, W Bengal, India

来源：

TETRAHEDRON | 2000年 / 56卷 / 22期

关键词：

coumarin derivatives; montmorillonite; heterocycles; benzopyran;

D O I：

10.1016/S0040-4020(00)00269-6

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

K-10 Montmorillonite mediated condensation of aldehyde 1 with arylamine 2 affords chroman-2,4-dione 5 which gives tri-coumarol 8 by acid hydrolysis, 4-arylamino-3-formylcoumarin 11 and 1-benzopyrano[4,3-b]quinoline 12 on heating with POCl3. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：3583 / 3587

页数：5

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