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Hydrochloric Acid → 2-Aminoterephthalic acid
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Hydrochloric Acid | HCID 313 | — |
| 反応物 | Dimethyl aminoterephthalate | HCID 79336 | — |
| 触媒 | Hexadecyltrimethylammonium Bromide | HCID 5974 | — |
| 溶媒 | Sodium Hydroxide | HCID 14798 | — |
| 生成物 | 2-Aminoterephthalic acid | HCID 2724822 | 89% |
反応手順
A representative preparation was done as follows: Dimethyl aminoterephthalate (5 g), cetyltrimethyl ammonium bromide catalyst (0.05 g) and aqueous NaOH solution (5%, 300 ml) were taken in a 500 ml round bottom flask, and heated to and held at about 60° C. for about 2 hours. The mixture was then cooled to about 15°-20° C., and acidified with concentrated HCl when the acid of Formula 3 separated as yellow crystals. This was filtered, washed with ice cold water, and dried (yield: 89%).
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US05264539 |
| 出典データセット | uspto-grants-1993_11 |
| ORD ID | ord-a8157de3536c4b3ab4ef96abe13fc8c2 |
| 出典メモ | uspto-grants-1993_11 |