関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|
| 反応物 | Piperidine | HCID 8082 | — |
| 反応物 | 2-Thiohydantoin | HCID 1274030 | — |
| 反応物 | 5-Formyl-2,3-dihydroxybenzonitrile | HCID 15292583 | — |
| 溶媒 | Acetic Acid | HCID 176 | — |
| 生成物 | 4-[(3,4-Dihydroxy-5-cyanophenyl)methylidene]-2-thioxoimidazolidin-5-one | HCID 54390461 | — |
反応手順
A solution containing 0.58 g of thiohydantoin, 0.82 g of 3,4-dihydroxy-5-cyanobenzaldehyde and 0.1 ml of piperidine in 10 ml of acetic acid was heated for 4 h at 100° C. The product was filtered and washed with ether. Yield 0.51 g, mp 210°-213° C.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| 特許番号 | US05614541 |
|---|
| 出典データセット | uspto-grants-1997_03 |
|---|
| ORD ID | ord-9a48546ee4fd456493cbf86ab7ca7bd5 |
|---|
| 出典メモ | uspto-grants-1997_03 |
|---|
