Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Ethyl Acetate | HCID 8857 | — |
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | Ethane, 2-bromo-1,1-diethoxy- | HCID 74852 | — |
| Reactant | 2-Bromo-5-methoxyphenol | HCID 13493839 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Solvent | Sodium Hydroxide | HCID 14798 | — |
| Product | HCID 22144808 | HCID 22144808 | — |
Reaction Steps
A mixture of 16.0 gm (78.8 mMol) 2-bromo-5-methoxyphenol, 10.9 gm (78.8 mMol) potassium carbonate, and 15.5 gm (78.8 mMol) bromoacetaldehyde diethyl acetal in 300 mL dimethylformamide was heated at 142° C. for 16 hours. The reaction mixture was then cooled to room temperature and diluted with 100 mL 2N sodium hydroxide followed by 500 mL ethyl acetate. This mixture was washed twice with 1 L of water. The combined aqueous washes were extracted twice with 300 mL portions of ethyl acetate. All organic phases were combined, washed with 1 L of water, washed with 1 L of saturated aqueous sodium chloride, dried over magnesium sulfate and concentrated under reduced pressure to provide the desired compound as a dark amber oil.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06881733B1 |
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| Source dataset | uspto-grants-2005_04 |
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| ORD ID | ord-ababd1c1dcf54f7fb4f01157a1dce25d |
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| Source note | uspto-grants-2005_04 |
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