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3,5-Dibromo-4-Hydroxybenzaldehyde → 5-[(3,5-Dibromo-4-hydroxyphenyl)methylene]-2-thioxo-4-imidazolidinone
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 3,5-Dibromo-4-Hydroxybenzaldehyde | HCID 18100 | — |
| 反応物 | Sodium Acetate | HCID 517045 | — |
| 反応物 | 2-Thiohydantoin | HCID 1274030 | — |
| 溶媒 | Acetic Acid | HCID 176 | — |
| 生成物 | 5-[(3,5-Dibromo-4-hydroxyphenyl)methylene]-2-thioxo-4-imidazolidinone | HCID 2866085 | 24.7% |
反応手順
Prepared according to the procedure described in Example 1 using 3,5-dibromo-4-hydroxybenzaldehyde (4.5 g, 16 mmoles), 2-thiohydantoin (1.7 g, 15 mmoles), sodium acetate (4.5 g, 55 mmoles), and acetic acid (35 ml). Recrystallization from ethanol gave the pure product (1.4 g), mp 267° C. (dec).
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US05306822 |
| 出典データセット | uspto-grants-1994_04 |
| ORD ID | ord-a04c228810fa40a89bc7297afb224ae9 |
| 出典メモ | uspto-grants-1994_04 |