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1,3-Cyclohexanedione → 2-Amino-4-(4,6-dimethoxypyrimid-5-yl)-1,4,5,6,7,8-hexahydro-5-oxoquinoline-3-carboxylic acid ethyl ester
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 1,3-Cyclohexanedione | HCID 10434 | — |
| 反応物 | 4,6-Dimethoxypyrimidine-5-carbaldehyde | HCID 4436645 | — |
| 反応物 | Carbamimidoyl-acetic acid ethyl ester | HCID 4599837 | — |
| 溶媒 | Ethanol | HCID 702 | — |
| 生成物 | 2-Amino-4-(4,6-dimethoxypyrimid-5-yl)-1,4,5,6,7,8-hexahydro-5-oxoquinoline-3-carboxylic acid ethyl ester | HCID 70635082 | 65% |
反応手順
Upon boiling a solution of 5.7 g of 4,6-dimethoxypyrimidin-5-aldehyde, 3.8 g of cyclohexane-1,3-dione and 4.4 g of amidinoacetic acid ethyl ester in 80 ml of ethanol for 8 hours, 2-amino-4-(4,6-dimethoxypyrimid-5-yl)-1,4,5,6,7,8-hexahydro-5-oxoquinoline-3-carboxylic acid ethyl ester of melting point 273°C (alcohol) is obtained. Yield: 65% of theory.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US03971790 |
| 出典データセット | uspto-grants-1976_07 |
| ORD ID | ord-7b70d09be2964070a4fbc55eb653f13d |
| 出典メモ | uspto-grants-1976_07 |