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1,2-Dibromoethane → 2,3-dihydro-2,2-dimethyl-7-(2-bromoethoxy)-4H-1,3-benzoxazin-4-one
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 1,2-Dibromoethane | HCID 7839 | — |
| 反応物 | 2,3-dihydro-2,2-dimethyl-7-hydroxy-4H-1,3-benzoxazin-4-one | HCID 13754412 | — |
| 溶媒 | Isopropanol | HCID 3776 | — |
| 生成物 | 2,3-dihydro-2,2-dimethyl-7-(2-bromoethoxy)-4H-1,3-benzoxazin-4-one | HCID 13754415 | — |
反応手順
16.2 g of 2,3-dihydro-2,2-dimethyl-7-hydroxy-4H-1,3-benzoxazin-4-one are reacted analogously to Example (3a) with 84 ml of 1,2-dibromoethane and yield 2,3-dihydro-2,2-dimethyl-7-(2-bromoethoxy)-4H-1,3-benzoxazin-4-one having a melting point of 156°-158° (from isopropanol).
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US04727067 |
| 出典データセット | uspto-grants-1988_02 |
| ORD ID | ord-1b52e7de41e1401c8a5258398141f605 |
| 出典メモ | uspto-grants-1988_02 |