Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Methyl iodide | HCID 6328 | — |
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | HCID 135617795 | HCID 135617795 | — |
| Catalyst | Tetrabutylammonium Bromide | HCID 74236 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | HCID 23590029 | HCID 23590029 | 25% |
Reaction Steps
A solution of 2-(4-{2-[2-(4-hydroxy-phenyl)-5-methyl-oxazol-4-yl]-ethoxy}-phenoxy)-2-methyl-propionic acid ethyl ester (0.15 g, 0.352 mmol), methyl iodide (0.15 g, 1.06 mmol), tetrabutylammonium bromide (0.023 g, 0.0713) mmol) in CH2Cl2 (8 mL) was treated with a 50% weight solution of NaOH (0.1 mL), and stirred at room temperature. The reaction mixture was extracted with water and more CH2Cl2 and the organic layer dried (MgSO4). The solvent was removed in vacuo to give a crude oil which was purified by flash chromatography (2/1 hexanes/EtOAc) to afford 0.038 g (25%) 2-(4-{2-[2-(4-methoxy-phenyl)-5-methyl-oxazol-4-yl]-ethoxy}-phenoxy)-2-methyl-propionic acid ethyl ester. 1H NMR (500 MHz, CDCl3) δ 7.87-7.85 (m, 2), 6.90-6.88 (m, 2H), 6.78-6.71 (m, 4H), 4.21-4.06 (m, 4H), 3.80 (s, 3H), 2.88 (t, 2H, J=6.60 Hz), 2.29 (s, 3H), 1.47 (s, 6H), 1.23 (t, 3H, J=7.33 Hz); MS (ES+) Calc'd for C25H30NO6: Found m/e 440 (M+1, 100%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07351728B2 |
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| Source dataset | uspto-grants-2008_04 |
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| ORD ID | ord-f4f593f9e7b14a5187824c2f6406d69d |
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| Source note | uspto-grants-2008_04 |
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