One-pot synthesis of dihydropyrano[c]chromene derivatives by using BF3•SiO2 as catalyst

被引：13

作者：

Akbari, Ali ^{[1
]}

机构：

[1] Univ Jiroft, Dept Chem, Fac Sci, Jiroft, Iran

来源：

HETEROCYCLIC COMMUNICATIONS | 2013年 / 19卷 / 06期

关键词：

aldehyde; alkyl nitriles; BF3 center dot SiO2; 4-hydroxycoumarin; pyrano[3,2-c]chromene; PHOTOCHROMIC PROPERTIES; PYRANOCOUMARINS; COMPLEXATION; NAPHTHOPYRAN; CALOPHYLLUM; BISCOUMARIN; GREEN; WATER;

D O I：

10.1515/hc-2013-0058

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Silica-supported boron trifluoride (BF3 center dot SiO2) is an efficient, readily available, and reusable catalyst for the synthesis of 2-amino-5-oxo-4-aryl-4H,5H-pyrano[3,2-c]chromene-3-carbonitrile or carboxylic acid ethyl ester derivatives by condensation of 4-hydroxycoumarin, an aldehyde, and an alkylnitrile.

引用

页码：425 / 427

页数：3

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