Y(NO3)3.6H2O catalyzed Four-Component Reaction for the Synthesis of Highly Functionalized Pyrano[2,3-c]pyrazoles in Aqueous Medium
محورهای موضوعی : پلیمرMohyeddin Safarzaei 1 , Malek Taher Maghsoodlou 2 , Ebrahim Mollashahi 3 , Mojtaba Lashkari 4 , Nourallah Hazeri 5
1 - 1Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan, Iran
2 - Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan, Iran
3 - Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan, Iran
4 - Faculty of Sciences, Velayat University, Iranshahr, Iran
5 - Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan, Iran
کلید واژه:
چکیده مقاله :
An efficient one-pot four-component protocol for the synthesis of pyrano[2,3-c]pyrazolederivatives has been demonstrated using Y(NO3)3.6H2O as catalyst under mild condition. This isa general synthetic protocol which could be applicable to a wide range of carbonyl compoundsincluding aromatic aldehydes, isatins and acenaphthenequinone. All The reactions proceededsmoothly, high-yielding and purity via an easy work-up procedure.