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Mechanochemical synthesis of coumarins via Pechmann condensation under solvent-free conditions: an easy access to coumarins and annulated pyrano[2,3-f] and [3,2-f]indoles
- Source :
- Green Chemistry. 24:2429-2437
- Publication Year :
- 2022
- Publisher :
- Royal Society of Chemistry (RSC), 2022.
-
Abstract
- A green protocol has been developed for the synthesis of simple coumarins and linear pyrano[2,3-f] and [3,2-f]indoles by the reaction of phenol derivatives with β-ketoesters under ball milling at ambient temperature in the presence of methanesulfonic acid.
- Subjects :
- Environmental Chemistry
Pollution
Subjects
Details
- ISSN :
- 14639270 and 14639262
- Volume :
- 24
- Database :
- OpenAIRE
- Journal :
- Green Chemistry
- Accession number :
- edsair.doi...........a77ae205cae2e596de059c3a4a5ce1ad