化工社化工社 化学情報印刷レポート · 研究参考用
Ethanol → Tert-butyl {5-[(2-amino[1,2,4]triazolo[1,5-a]pyridin-6-yl)oxy]-2-chlorophenyl}carbamate
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Ethanol | HCID 702 | — |
| 反応物 | Hydroxylamine HCl | HCID 21645 | — |
| 反応物 | Diisopropylethylamine | HCID 81531 | — |
| 反応物 | Ethyl {[(5-{3-[(tert-butoxycarbonyl)amino]-4-chlorophenoxy}pyridin-2-yl)amino]carbonothioyl}carbamate | HCID 57749196 | — |
| 溶媒 | Methanol | HCID 887 | — |
| 生成物 | Tert-butyl {5-[(2-amino[1,2,4]triazolo[1,5-a]pyridin-6-yl)oxy]-2-chlorophenyl}carbamate | HCID 57749084 | 94.2% |
反応手順
In the same manner as in Example 23-1 and using ethyl{[(5-{3-[(tert-butoxycarbonyl)amino]-4-chlorophenoxy}pyridin-2-yl)amino]carbonothioyl}carbamate (7.23 g, 15.5 mmol), hydroxylammonium chloride (7.64 g, 0.110 mol), N,N-diisopropylethylamine (13.5 mL, 77.4 mmol), ethanol (50 mL) and methanol (50 mL) as starting materials, the title compound (5.49 g, 92%) was obtained as a white solid.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US08304557B2 |
| 出典データセット | uspto-grants-2012_11 |
| ORD ID | ord-f892bf166bd2472b8fa1cab4e1741be2 |
| 出典メモ | uspto-grants-2012_11 |