期刊
CATALYSIS LETTERS
卷 126, 期 3-4, 页码 275-279出版社
SPRINGER
DOI: 10.1007/s10562-008-9603-5
关键词
Magnesium oxide (MgO); Malononitrile; Tetrahydrobenzopyran; Three-component reaction
资金
- Shahid Bahonar University of Kerman
Magnesium oxide (MgO) as a highly effective heterogeneous base catalyst effectively catalyzes the three component reaction of aryl aldehydes, malononitrile and alpha-hydroxy or alpha-amino activated C-H acids such as 1,3-cyclohexanedione, dimedone, 4-hydroxy-6-methylpyrone, 4-hydroxycoumarin, 1,3-dimethylbarbituric acid and 1,3-dimethyl-6-amino uracil to the formation of the corresponding pyran annulated heterocyclic systems. The catalyst is inexpensive and easily obtained, stable and storable, easily recycled and reused for several cycles with consistent activity.
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