The green synthesis of pyrano[3,2-c]quinoline-2,5-dione derivatives catalyzed by acidic ionic liquid under ultrasound irradiation
Publish place: Iranian Chemical Communication، Vol: 3، Issue: 3
Publish Year: 1394
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ICC-3-3_005
تاریخ نمایه سازی: 1 مرداد 1397
Abstract:
A novel and efficient method has been developed for the synthesis of pyrano[3,2-c]quinoline-2,5-dione derivatives by the convenient ultrasound-mediated condensation of 4-hydroxyquinolin-2-one with Meldrum’s acid and aldehydes in the presence of a catalytic amount of [HMIm]HSO4as a green, efficient and reusable acidic ionic liquid medium. The stability of the ionic liquidduring the reaction was high and was used for several times recycle the form. we had lowerenergy consumption and achieved to the desired product in the optimal time when Placing thereaction mixture under ultrasound condition. The method is simple, starts from readily accessiblecommercial starting materials, and provides biologically interesting products in good yields andshort reaction times.
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Authors
Esmayeel Abbaspour-Gilandeh
Young Researchers and Elites Club, Ardabil Branch, Islamic Azad University, Ardabil, Iran
Seyyedeh Cobra Azimi
Young Researchers and Elites Club, Rasht Branch, Islamic Azad University, Rasht, Iran