反応式
[CH2:1]1[O:4][CH:2]1[CH3:3].[OH:5][CH:6]([CH3:16])[CH2:7][NH:8][CH2:9][CH2:10][NH:11][CH2:12][CH:13]([OH:15])[CH3:14]>C(O)C.CO.CCOCC>[OH:4][CH:2]([CH3:3])[CH2:1][N:8]([CH2:7][CH:6]([OH:5])[CH3:16])[CH2:9][CH2:10][NH:11][CH2:12][CH:13]([OH:15])[CH3:14]参加物
実験手順
(V-a): Propylene oxide (181.6 g, 0.3 mol) in 25 mL of absolute ethanol was added dropwise for 4.5 hours to a solution of N,N'-bis(2-hydroxypropyl)ethylenediamine (IV-a) (55 g, 0.3 mol) in 50 mL each of absolute ethanol, methanol and distilled water at 80° C. The reaction mixture was cooled and concentrated to give a milky white viscous suspension. The suspension was dissolved in ether and dried over anhydrous sodium sulfate. Unreacted (IV-a) precipitated and was removed by filtration. Ether was removed from the clear filtrate to produce a viscous liquid. Fractional distillation of the oil produced N,N,N'-tris(2-hydroxypropyl)ethylenediamine[bp. 140° C. at 0.15 mm; yield 55 percent; IR(neet); 3350(broad OH); NMR(CDCl3): δ 3.8(broad m,3H); 2.5(broad m,10H); 1.1(d,9H)].
後処理
- distillationdistilled water at 80° C
- temperatureThe reaction mixture was cooled
- concentrationconcentrated
- customto give a milky white viscous suspension
- dry with materialdried over anhydrous sodium sulfate
- customUnreacted (IV-a) precipitated
- customwas removed by filtration
- customEther was removed from the clear filtrate
- customto produce a viscous liquid
- distillationFractional distillation of the oil
出典と根拠
- ORDレコード
- ord-2834905ae4f64d7a8f0bec25e02af395
- 出典データセット
- uspto-grants-1989_12
- 特許番号
- US04889530
関連ノート
読み込み中…