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Dimethylformamide → N-(3-(4-(4-chlorobenzyl)-6-methoxy-3,5-dioxo-4,5-dihydro-1,2,4-triazin-2(3H)-yl)phenyl)-2-methoxyacetamide

HRID 1624908
ノート
印刷プレビュー

反応式

HRID 1624908 の反応式
[NH2:1][C:2]1[CH:3]=[C:4]([N:8]2[C:13](=[O:14])[N:12]([CH2:15][C:16]3[CH:21]=[CH:20][C:19]([Cl:22])=[CH:18][CH:17]=3)[C:11](=[O:23])[C:10]([O:24][CH3:25])=[N:9]2)[CH:5]=[CH:6][CH:7]=1.CN(C=O)C.C(N(C(C)C)CC)(C)C.[CH3:40][O:41][CH2:42][C:43](Cl)=[O:44]>C(=O)([O-])[O-].[Na+].[Na+]>[Cl:22][C:19]1[CH:20]=[CH:21][C:16]([CH2:15][N:12]2[C:11](=[O:23])[C:10]([O:24][CH3:25])=[N:9][N:8]([C:4]3[CH:3]=[C:2]([NH:1][C:43](=[O:44])[CH2:42][O:41][CH3:40])[CH:7]=[CH:6][CH:5]=3)[C:13]2=[O:14])=[CH:17][CH:18]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 6228DimethylformamideHCID 81531DiisopropylethylamineHCID 96623Methoxyacetyl chlorideHCID 687024682-(3-aminophenyl)-4-(4-chlorobenzyl)-6-methoxy-1,2,4-triazine-3,5(2H,4H)-dione

生成物 1

HCID 59139888N-(3-(4-(4-chlorobenzyl)-6-methoxy-3,5-dioxo-4,5-dihydro-1,2,4-triazin-2(3H)-yl)phenyl)-2-methoxyacetamide収率 70%

試薬・触媒・溶媒 1

HCID 10340Sodium Carbonate溶媒

実験手順

According to Scheme 9 Step 2: A mixture of 2-(3-aminophenyl)-4-(4-chlorobenzyl)-6-methoxy-1,2,4-triazine-3,5(2H,4H)-dione (100 mg, 0.28 mmol), DMF (4 mL), diisopropylethylamine (95 μl, 0.56 mmol) and methoxyacetyl chloride (30 μl, 0.33 mmol) was stirred under nitrogen at room temperature during 1 hour. The mixture was diluted with 50 mL of a saturated solution of sodium carbonate and the aqueous layer was extracted twice with 50 mL of DCM. The organic layers were combined to be dried over MgSO4, filtered and concentrated under reduced pressure to afford a brown solid. The crude solid was purified by flash chromatography with silica gel (Merck Flashmart prepacked column 15 g SiO2) using AcOEt/cyclohexane 4/6 as eluant to afford a beige solid. The solid was washed with diethylether to afford N-(3-(4-(4-chlorobenzyl)-6-methoxy-3,5-dioxo-4,5-dihydro-1,2,4-triazin-2(3H)-yl)phenyl)-2-methoxyacetamide 4.141 (84 mg, 70%) as a white solid.

後処理

  1. extractionthe aqueous layer was extracted twice with 50 mL of DCM
  2. dry with materialto be dried over MgSO4
  3. filtrationfiltered
  4. concentrationconcentrated under reduced pressure
  5. customto afford a brown solid
  6. customThe crude solid was purified by flash chromatography with silica gel (Merck Flashmart prepacked column 15 g SiO2)
  7. customto afford a beige solid
  8. washThe solid was washed with diethylether

出典と根拠

ORDレコード
ord-b664b83c8577486cb1fb9906d9d1f44b
出典データセット
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08779129B2

反応ノート

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