CSA-Catalyzed Three-component Synthesis of Fused Polycyclic Pyrazolo[4,3-e]pyridines Under Ultrasonic Irradiation and Their Antioxidant Activity
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...
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| Format: | Article |
| Language: | English |
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Turkish Chemical Society
2017-05-01
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| Series: | Journal of the Turkish Chemical Society, Section A: Chemistry |
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| Online Access: | http://dergipark.gov.tr/jotcsa/issue/27167/295465?publisher=turchemsoc |