Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | 1-Butanol | HCID 263 | — |
| Reactant | 4-Hydroxybutanal | HCID 93093 | — |
| Product | HCID 2724555 | HCID 2724555 | 88.5% |
Reaction Steps
Aqueous 4-hydroxybutanal (502 g of 10.2 wt. % solution, 0.58 mol, 1.0 eq.), n-butanol (34.6 g, 0.47 mol, 0.80 eq.), hexanes (500 mL), and "Amberlyst-15" resin (product of Rohm and Haas Company, 2.3 g) are charged to a 2-L glass reaction vessel equipped with a magnetic stir bar. The two-phase mixture is stirred at ambient temperature (22° C.) for 17 h. The two liquid phases are separated from the ion-exchange resin. The hexane layer, which is separated from the aqueous phase and analyzed by gas chromatography (GC), contains 14.8 wt. % of 2-n-butoxytetrahydrofuran (59.4 g, 88.5% yield). Product identity is confirmed by infrared, 1H NMR, and 13C NMR spectroscopies. The aqueous phase contains 4.2% unreacted 4-hydroxybutanal.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US05254702 |
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| Source dataset | uspto-grants-1993_10 |
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| ORD ID | ord-83809446ea4a4f74a6597619401b2e81 |
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| Source note | uspto-grants-1993_10 |
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