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1-Methylhydantoin → 5-[[4-Hydroxy-3,5-bis(1-methylethyl)phenyl]methylene]-1-methyl-2,4-imidazolidinedione
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 1-Methylhydantoin | HCID 69217 | — |
| 反応物 | 4-Hydroxy-3,5-bis(isopropyl)benzaldehyde | HCID 82712 | — |
| 生成物 | 5-[[4-Hydroxy-3,5-bis(1-methylethyl)phenyl]methylene]-1-methyl-2,4-imidazolidinedione | HCID 54284051 | 11% |
反応手順
Prepared according to the procedure described in Example 92 using 3,5-diisopropyl-4-hydroxybenzaldehyde (2.7 g, 13 mmoles) and 1-methyl hydantoin (1.4 g, 12 mmoles). Recrystallization from acetonitrile gave the pure product (0.4 g), mp 197°-208° C.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US05208250 |
| 出典データセット | uspto-grants-1993_05 |
| ORD ID | ord-aebed7088a92478092afa826da1265d1 |
| 出典メモ | uspto-grants-1993_05 |