Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Isopropyl Acetate | HCID 7915 | — |
| Reactant | Potassium hydroxy sulfite | HCID 23707502 | — |
| Reactant | HCID 86653781 | HCID 86653781 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 86653782 | HCID 86653782 | 92.8% |
Reaction Steps
To a solution of 4-(2,5-bis(benzyloxy)-3,4,6-trimethylphenyl)butanal (450 mg, 1.12 mmol) in DMF (11.5 mL) was added Oxone (350 mg, 1.12 mmol) giving a cloudy white solution. The suspension was stirred vigorously overnight and poured over 10 mL 2.5 M HCl and stirred until the solution clarified. Isopropyl acetate (iPrOAc) (25 mL) was added after the exotherm subsided. The organics were washed 2×10 mL 2.5 M HCl, 1×10 mL saturated aqueous NaCl and dried over Na2SO4. Concentration gave 435 mg of 4-(2,5-bis(benzyloxy)-3,4,6-trimethylphenyl)butanoic acid as a white solid. MS M++H at 419 m/z; 1H NMR (400 MHz, CDCl3) δ=7.50 (m, 4H), 7.43-7.34 (m, 6H), 4.75 (s, 2H), 4.74 (s, 2H), 2.71 (t, 2H), 2.37 (t, 2H), 2.26 (s, 3H), 2.26 (s, 6H), 1.85 (s, 2H) ppm.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US09090576B2 |
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| Source dataset | uspto-grants-2015_07 |
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| ORD ID | ord-1157817b94dd4d6aaaedde19551b5c38 |
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| Source note | uspto-grants-2015_07 |
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