Eco-Friendly Synthesis of 1,8-Dioxo-octahydroxanthenes Catalyzed by Ionic Liquid in Aqueous Media

被引：21

作者：

Fang, Dong ^{[1
,2
]}

Yang, Jin-Ming ^{[1
]}

Liu, Zu-Liang ^{[2
]}

机构：

[1] Jiangsu Prov Key Lab Coast Wetland Bioresources &, Yancheng 224002, Peoples R China

[2] Yancheng Normal Univ, Sch Chem & Chem Engn, Yancheng 224002, Peoples R China

来源：

JOURNAL OF HETEROCYCLIC CHEMISTRY | 2011年 / 48卷 / 02期

关键词：

EFFICIENT SYNTHESIS; PROMOTED SYNTHESIS; DERIVATIVES; ACID;

D O I：

10.1002/jhet.543

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A biodegradable functionalized ionic liquid 3-(N,N-dimethyldodecylammonium)propanesulfonic acid hydrogen sulfate ([DDPAR][HSO4]) was prepared and used as a Bronsted acid-surfactant-combined catalyst for the eco-friendly one-pot synthesis of 1,8-dioxo-octahydroxanthenes at 100 degrees C in water. Under these conditions, the reaction of various aromatic aldehydes with dimedone generated 1,8-dioxo-octahydroxanthenes in good yields with a simple postreaction procedure. The products could simply be separated from the catalyst/water system, and the catalyst could be reused at least six times without noticeably decreasing the catalytic activity.

引用

页码：468 / 472

页数：5

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