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Epichlorohydrin → N-Glycidyl-dimethylmaleimide
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Epichlorohydrin | HCID 7835 | — |
| 反応物 | Potassium 2,3-dimethylmaleimide | HCID 70453264 | — |
| 触媒 | Tetramethylammonium chloride | HCID 6379 | — |
| 生成物 | N-Glycidyl-dimethylmaleimide | HCID 20479874 | — |
反応手順
30 g (0.184 mol) of potassium dimethylmaleimide are suspended in 175 g (1.89 mols) of epichlorohydrin. After adding 0.05 g of tetramethylammonium chloride, the mixture is heated, whilst stirring, and boiled under reflux for 18 hours and is then filtered. After removing the unconverted chlorohydrin by distillation under a waterpump vacuum, about 30 g of a viscous, pale brown liquid which has an epoxide content of 4.9 equivalents/kg (calculated: 5.5 equivalents/kg) remain. The NMR spectrum of the product corresponds to N-glycidyl-dimethylmaleimide of the formula ##STR30##
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US04158730 |
| 出典データセット | uspto-grants-1979_06 |
| ORD ID | ord-67fa3fe99a3f42b98b21201f477ecadc |
| 出典メモ | uspto-grants-1979_06 |