Acetic Anhydride → HCID 13556431、化合物
反応式
[C@@H:1]1([C:10]2[Se:11][CH:12]=[C:13]([C:15]([NH2:17])=[O:16])[N:14]=2)[O:7][C@H:6]([CH2:8][OH:9])[C@@H:4]([OH:5])[C@H:2]1[OH:3].C(O[C:22](=[O:24])[CH3:23])(=O)C>>[C:2]([O:3][C@@H:2]1[C@H:4]([O:5][C:4](=[O:5])[CH3:6])[C@@H:6]([CH2:8][O:9][C:22](=[O:24])[CH3:23])[O:7][C@H:1]1[C:10]1[Se:11][CH:12]=[C:13]([C:15]([NH2:17])=[O:16])[N:14]=1)(=[O:3])[CH3:1]参加物
3
実験手順
A mixture of 2-β-D-ribofuranosylselenazole-4-carboxamide (1.0 g, 3.25 mmol), N,N-dimethylaminopyridine (catalyst, 80 mg) and acetic anhydride (15 ml) was stirred at room temperature for 3 hours. The solvent was evaporated in vacuo and coevaporated with water (10 ml×2) to provide COMPOUND 3 as a white crystalline product which was triturated with water and collected by filtration. The product was recrystallized from water containing a few drops of ethanol to provide white needles: yield 1.2 g (85 percent), mp 117-119 degrees C.
後処理
- customThe solvent was evaporated in vacuo
出典と根拠
- ORDレコード
- ord-157c1eb09c2a4193814abbfad2622b41
- 出典データセット
- uspto-grants-1986_06
- 特許番号
- US04594414
反応ノート
読み込み中…