反応式
CN(C)C=O.C(OC(=O)C)(=O)C.[N:13]([CH2:22][C:23]([OH:25])=[O:24])([CH2:18][C:19]([OH:21])=O)[CH2:14][C:15]([OH:17])=[O:16]>N1C=CC=CC=1>[O:24]=[C:23]1[O:25][C:19](=[O:21])[CH2:18][N:13]([CH2:14][C:15]([OH:17])=[O:16])[CH2:22]1参加物
5
実験手順
A round bottom flask is charged with dimethylformamide 72 g, acetic anhydride 25 g, pyridine 2 g, and nitrilotriacetic acid 38.2 g and the suspension is nitrogen purged for several minutes. The flask is stoppered and the mixture is stirred at room temperature for 3 days. A small amount of unreacted NTA is filtered out. The bulk of the solvent 79 ml is removed in vacuo at a bath temperature of 60°-70° C. The resulting viscous solution is twice roto-vacued after two successive additions of 40 ml dimethylformamide.
後処理
- custompurged for several minutes
- filtrationA small amount of unreacted NTA is filtered out
- customThe bulk of the solvent 79 ml is removed in vacuo at a bath temperature of 60°-70° C
出典と根拠
- ORDレコード
- ord-d939aa6022c844578f13e673c4c67748
- 出典データセット
- uspto-grants-1984_06
- 特許番号
- US04454107
関連ノート
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