Multi-Component Syntheses of Spiro[furan-2,3′-indoline]-3-carboxylate Derivatives Using Ionic Liquid Catalysts
Two previously described Brønsted acidic ionic liquids, 3,3′-(1,6-hexanediyl)bis(1-methyl)-1<i>H</i>-imidazolium hydrogen sulfate (<b>Cat1</b>) and 1,1′-(1,6-hexanediyl)bis(pyridinium) hydrogen sulfate (<b>Cat2</b>), were used as catalysts for the preparation of s...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2024-03-01
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| Series: | Molecules |
| Subjects: | |
| Online Access: | https://www.mdpi.com/1420-3049/29/6/1223 |