Mefenamic acid as Environmentally Catalyst for Threecomponent Synthesis of Dihydropyrano [2,3-c]Chromene and Pyrano[2,3-d]Pyrimidine Derivatives
محورهای موضوعی : پلیمر
Soheila Asadpour Behzadi
1
(Department of Chemistry, Kerman Branch, Islamic Azad University, Kerman, Iran.)
Enayatollah Sheikhhosseini
2
(Department of Chemistry, Kerman Branch, Islamic Azad University, Kerman, Iran.)
Sayed Ali Ahmadi
3
(Department of Chemistry, Kerman Branch, Islamic Azad University, Kerman, Iran.)
Dadkhoda Ghazanfari
4
(Department of Chemistry, Kerman Branch, Islamic Azad University, Kerman, Iran.)
Mohammadreza Akhgar
5
(Department of Chemistry, Kerman Branch, Islamic Azad University, Kerman, Iran.)
کلید واژه:
چکیده مقاله :
Pills of Mefenamic acid were employed as effective catalysts in the three component reaction of aromatic aldehydes, malononitrile, as well as 4-hydroxycoumarin or barbituric acid in aqueous solution, using reflux conditions in order to synthesize derivatives of dihydropyrano[2,3-c]chromene and pyrano[2,3-d]pyrimidine, correspondingly. Among the benefits of this technique, higher efficiency, shorter reaction time, along with better reaction indices could be mentioned.
