A fast, simple and convenient procedure for the synthesis of fused pyrimidinone derivatives by using [Hmim][HSO4] as a green, efficient and reusable catalyst under solvent-free conditions
محورهای موضوعی : Iranian Journal of CatalysisLeila Khazdooz 1 , Amin Zarei 2 , Abdol Hajipour 3 , Nafisehsadat Sheikhan 4
1 - Department of Science, Khorasgan Branch, Islamic Azad University, Isfahan 81595-158, Iran.
2 - Department of Science, Fasa Branch, Islamic Azad University, Post Box No 364, Fasa, 7461713591, Fars, Iran.
3 - Department of Pharmacology, University of Wisconsin, Medical School, 1300 University Avenue, Madison, 53706-1532, WI, USA.
Pharmaceutical Research Laboratory, College of Chemistry, Isfahan University of Technology, Isfahan 84156, IR Iran.
4 - Department of Science, Najafabad Branch, Islamic Azad University, Isfahan, Iran.
کلید واژه: Methylimidazolium hydrogen sulfate, Pyrimidinone, Bronsted acidic ionic liquid, Biginelli-type reaction,
چکیده مقاله :
In the present of methylimidazolium hydrogen sulfate, the synthesis of arylidene heterobicyclic pyrimidinones is studied by condensation of aromatic aldehyde, cyclopentanone, and urea or thiourea. Using solvent-free conditions, non-toxic and inexpensive materials, simple and clean work-up, short reaction times and good yields of the products are the advantages of this method.
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