New fused
pyrazolo[4,3-e]pyridines were obtained by multi-component reaction of
1,3-dimethyl-1H-pyrazol-5-amine or
3-phenyl-1H-pyrazol-5-amine, aromatic
aldehydes and indan-1,3-dione in the presence of camphor-10-sulfonic acid (CSA)
as an effective catalyst under ultrasound promoted conditions. The antioxidant
activity of the pyrazolopyridine compounds 4b, 5c, 5e, 7a, 7b and 7c were determined.
Pyrazolopyridines multi-component synthesis ultrasonic irradiation camphor-10-sulfonic acid (CSA)
Subjects | Engineering, Chemical Engineering |
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Journal Section | Articles |
Authors | |
Publication Date | May 16, 2017 |
Submission Date | March 2, 2017 |
Acceptance Date | May 8, 2017 |
Published in Issue | Year 2017 Volume: 4 Issue: 2 |