Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Ethylparaben | HCID 8434 | — |
| Reactant | Triphenylphosphine | HCID 11776 | — |
| Reactant | ethyl N-ethoxycarbonyliminocarbamate | HCID 220568 | — |
| Reactant | HCID 17949402 | HCID 17949402 | — |
| Solvent | Diethyl Ether | HCID 3283 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | HCID 86584486 | HCID 86584486 | 99.2% |
Reaction Steps
400 mg of (RS)-2-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)-heptanol dissolved in 25 ml of THF absolute were treated with 382 mg of triphenylphosphine, 242 mg of ethyl 4-hydroxybenzoate and 0.24 ml of diethyl azodicarboxylate. The reaction mixture was heated to reflux for 6 hours. The mixture was diluted with 1 portion of 50 ml of diethylether and washed with 2 portions of 25 ml of water and 1 portion of 50 ml of a saturated aqueous sodium chloride solution. The organic phase was dried over MgSO4 and concentrated in vacuo. The resulting yellow oil was purified by flash chromatography (SiO2, 3% ethyl acetate/hexanes), giving 591 mg of (RS)-ethyl 4-[2-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)-heptyloxy]-benzoate as a colorless oil.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06603012B2 |
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| Source dataset | uspto-grants-2003_08 |
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| ORD ID | ord-4a7fcdc3f0de4e1f9e1b4af073517a46 |
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| Source note | uspto-grants-2003_08 |
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