Paper Information

Journal:   JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS)   MARCH 2011 , Volume 8 , Number 1; Page(s) 123 To 130.
 
Paper:  ZNO/MGO CONTAINING ZNO NANOPARTICLES AS A HIGHLY EFFECTIVE HETEROGENEOUS BASE CATALYST FOR THE SYNTHESIS OF 4H-PYRANS AND COUMARINS IN [BMIM] BF4
 
Author(s):  VALIZADEH H.*, AZIMI A.A.
 
* DEPARTMENT OF CHEMISTRY, FACULTY OF SCIENCES, AZARBAIJAN UNIVERSITY OF TARBIAT MOALLEM, TABRIZ, IRAN
 
Abstract: 

4H-Pyrans and coumarins were synthesized through one-pot reactions using ZnO/MgO solid sample containing ZnO nanoparticles as an efficient reusable catalyst in ionic liquid, [bmim] BF4. The catalyst is inexpensive and readily available, stable and storable, easily recycled and reused for several cycles with consistent activity. The procedure offers advantages in terms of high yields, short reaction times, and mild solvent-free reaction conditions.

 
Keyword(s): COUMARIN, HETEROGENEOUS CATALYST, PYRAN, ZNO/MGO, IONIC LIQUID
 
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