Synthesis of 12-aryl-8,9,10,12-tetrahydrobenzo[a]xanthene-11-ones catalyzed by biodegradable ionic liquid

被引：15
|
作者：
Fang, Dong [1 ]
Yang, Jin-ming [1 ]
Cao, Yan-fang [1 ]
机构：
[1] Yancheng Normal Univ, Dept Pharmaceut Engn, Yancheng 224002, Jiangsu, Peoples R China
来源：
RESEARCH ON CHEMICAL INTERMEDIATES | 2013年 / 39卷 / 04期
关键词：
Xanthene; Synthesis; Biodegradable ionic liquid; Solvent-free; Multi-component reaction; ONE-POT SYNTHESIS; SOLVENT-FREE SYNTHESIS; XANTHENE; DERIVATIVES; MULTICOMPONENT; TRIFLATE; DYES;
D O I：
10.1007/s11164-012-0709-4
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A biodegradable acyclic SO3H-functionalized ionic liquid has been used as a novel catalyst for the synthesis of 12-aryl-8,9,10,12-tetrahydrobenzo[a]xanthene-11-ones via one-pot multi-component condensation of beta-naphthol, aromatic aldehydes, and cyclic 1,3-dicarbonyl compounds, under solvent-free conditions, to afford good to excellent yields ranging from 85 to 93 % within 30-60 min. After the reaction the products could be simply separated from the reaction mixture and the catalyst could be recycled and reused several times without noticeable reduction of catalytic activity.
引用
收藏
页码：1745 / 1751
页数：7
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