Title of article
A convenient ultrasound-promoted regioselective synthesis of fused polycyclic 4-aryl-3-methyl-4,7-dihydro-1H-pyrazolo[3,4-b]pyridines
Author/Authors
Nikpassand، نويسنده , , Mohammad and Mamaghani، نويسنده , , Manouchehr and Shirini، نويسنده , , Farhad and Tabatabaeian، نويسنده , , Khalil، نويسنده ,
Issue Information
فصلنامه با شماره پیاپی سال 2010
Pages
5
From page
301
To page
305
Abstract
Fused polycyclic 4-aryl-3-methyl-4,7-dihydro-1H-pyrazolo[3,4-b]pyridines were obtained in a three-component regioselective reaction of 5-amino-3-methyl-1H-pyrazole, 2H-indene-1,3-dione and arylaldehydes in ethanol under ultrasound irradiation. This rapid method produced the products in short reaction times (4–5 min) and excellent yields (88–97%).
Keywords
regioselective , Pyrazolopyridines , multicomponent , Ultrasound
Journal title
Ultrasonics Sonochemistry
Serial Year
2010
Journal title
Ultrasonics Sonochemistry
Record number
2189576
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