Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Resorcinol | HCID 5054 | — |
| Reactant | 3-Methoxybutan-2-one | HCID 12500500 | — |
| Solvent | Toluene | HCID 1140 | — |
| Product | HCID 10844720 | HCID 10844720 | 60.7% |
Reaction Steps
A mixture of 1.9 g of resorcinol, 1.8 g of 3-methoxy-2-butanone, 0.2 g of Amberlyst-15 and 2 ml of toluene was stirred at 90° C. for 10 hours. After cooling, the catalyst was separated, and the filtrate was concentrated. The residue was purified by column chromatography to give 1.7 g of 2,3-dimethyl-6-hydroxybenzofuran as pale yellow crystals. The crystals were dissolved in 20 ml of acetic acid, and 0.2 g of 5% palladium-carbon was added. The mixture was stirred at room temperature for 12 hours in an atmosphere of hydrogen. The crude product was purified by column chromatography to give 1.5 g (yield 54%) of the desired product as a brown liquid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US04838924 |
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| Source dataset | uspto-grants-1989_06 |
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| ORD ID | ord-b62fb8b8690e4f6baf4290488facc732 |
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| Source note | uspto-grants-1989_06 |
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