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Ethylparaben → (S)-(+)-Ethyl 4-(2-methylbutyloxy)benzoate
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Ethylparaben | HCID 8434 | — |
| 反応物 | Triphenylphosphine | HCID 11776 | — |
| 反応物 | (S)-2-methyl-1-butanol | HCID 2723602 | — |
| 反応物 | Diethyl azodicarboxylate | HCID 5462977 | — |
| 反応物 | Octyl4'-methoxycarbonyloxy-4-biphenylcarboxylate | HCID 18328376 | — |
| 生成物 | (S)-(+)-Ethyl 4-(2-methylbutyloxy)benzoate | HCID 53733015 | — |
反応手順
Quantities: (S)-(-)-2-methylbutan-1-ol (5.00 g, 0.057 mol), ethyl 4-hydroxybenzoate (7) (9.47 g, 0.057 mol), DEAD (9.93 g, 0.057 mol), triphenylphosphine (14.95 g, 0.057 mol). The experimental preocedure was as described for the preparation of compound 5. The crude product was purified by column chromatography (10% petrol/dichloromethane) to give a colourless oil.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US06242636B1 |
| 出典データセット | uspto-grants-2001_06 |
| ORD ID | ord-f7d370a9de3f442482bd78d5f297e004 |
| 出典メモ | uspto-grants-2001_06 |