Ethyl Acetate → (2RS,3S)-3-{(3RS)-4-Acetyl-3-isopropyl-2-oxo-6-phenyl-1,2,3,4-tetrahydropyrazin-1-yl}methylcarbonylamino-2-hydroxy-4-phenylbutanenitrile

HRID 1061686ノート

反応式

HRID 1061686 の反応式
[C:1]([N:4]1[CH:9]=[C:8]([C:10]2[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=2)[N:7]([CH2:16][C:17]([NH:19][C@@H:20]([CH2:23][C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=2)[CH:21]=[O:22])=[O:18])[C:6](=[O:30])[CH:5]1[CH:31]([CH3:33])[CH3:32])(=[O:3])[CH3:2].S([O-])(O)=O.[Na+].C(OCC)(=O)C.[C-:45]#[N:46].[K+]>O>[C:1]([N:4]1[CH:9]=[C:8]([C:10]2[CH:11]=[CH:12][CH:13]=[CH:14][CH:15]=2)[N:7]([CH2:16][C:17]([NH:19][C@@H:20]([CH2:23][C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=2)[CH:21]([OH:22])[C:45]#[N:46])=[O:18])[C:6](=[O:30])[CH:5]1[CH:31]([CH3:33])[CH3:32])(=[O:3])[CH3:2]

参加物

6

反応物 4

HCID 8857Ethyl AcetateHCID 9032Potassium CyanideHCID 23665763Sodium BisulfiteHCID 60073845(2S)-2-{(3RS)-4-Acetyl-3-isopropyl-2-oxo-6-phenyl-1,2,3,4-tetrahydropyrazin-1-yl}methylcarbonylamino-3-phenylpropanal

生成物 1

HCID 60073839(2RS,3S)-3-{(3RS)-4-Acetyl-3-isopropyl-2-oxo-6-phenyl-1,2,3,4-tetrahydropyrazin-1-yl}methylcarbonylamino-2-hydroxy-4-phenylbutanenitrile

試薬・触媒・溶媒 1

HCID 962Water溶媒3 回

実験手順

(2S)-2-{(3RS)-4-Acetyl-3-isopropyl-2-oxo-6-phenyl-1,2,3,4-tetrahydropyrazin-1-yl}methylcarbonylamino-3-phenylpropanal (630 mg, Compound No. 7-1) is suspended in water (6 ml). Sodium hydrogensulfite (160 mg), water (6 ml) and ethyl acetate (18 ml) are added to the suspension, and the mixture is stirred for 30 minutes. Potassium cyanide (105 mg) is added to the mixture, and the whole is stirred for one day. Water is added to the reaction mixture, and the whole is extracted with ethyl acetate. The extract is washed with water and saturated brine successively and dried over anhydrous magnesium sulfate. The extract is concentrated under reduced pressure, and the resulting residue is purified by silica gel column chromatography to give the titled compound (624 mg).

後処理

  1. stirringthe whole is stirred for one day
  2. extractionthe whole is extracted with ethyl acetate
  3. washThe extract is washed with water and saturated brine successively
  4. dry with materialdried over anhydrous magnesium sulfate
  5. concentrationThe extract is concentrated under reduced pressure
  6. customthe resulting residue is purified by silica gel column chromatography

出典と根拠

ORDレコード
ord-bafdffb6bf8c4ba1a289982a0c46d0b6
出典データセット
uspto-grants-2005_11
特許番号
US06960575B2

反応ノート

読み込み中…