化工社化工社 化学情報印刷レポート · 研究参考用
Acetic Anhydride → 1-Acetyl-3-{1-ethoxy-1-phenylmethylidene}-5-nitro-2-indolinone
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Acetic Anhydride | HCID 7918 | — |
| 反応物 | Benzene, (triethoxymethyl)- | HCID 74268 | — |
| 反応物 | 5-Nitro-2-oxindole | HCID 230366 | — |
| 生成物 | 1-Acetyl-3-{1-ethoxy-1-phenylmethylidene}-5-nitro-2-indolinone | HCID 54280104 | — |
反応手順
5.07 g (23 mmol) of 5-nitro-2-indolinone are stirred for 2.5 hours at 100° C. together with 15.5 g (69 mmol) of triethyl orthobenzoate in 50 ml of acetic anhydride. After cooling, 100 ml of ether/petroleum ether (1:1) are added. The precipitate formed is suction filtered, washed with ether/petroleum ether (1:1) and dried.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US06855710B2 |
| 出典データセット | uspto-grants-2005_02 |
| ORD ID | ord-f80aa130a7ce4fa2a1c476d0dbda6d50 |
| 出典メモ | uspto-grants-2005_02 |