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Synthesis of New Substituted Chromen[4,3-c]pyrazol-4-ones and Their Antioxidant Activities
A series of new coumarin derivatives 4 containing a 4-arylbut-3-en-2-one moiety were synthesized by condensation of 3-acetylcoumarin 1 with aryl aldehydes 2 in chloroform in the presence of piperidine. The interactions of 3-formyl-4-chlorocoumarin (3) with nitrogen-containg nucleophiles leading to t...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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MDPI
2011
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6264664/ https://www.ncbi.nlm.nih.gov/pubmed/22158652 http://dx.doi.org/10.3390/molecules161210292 |