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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
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HRID 1624908 반응식
[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
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참가 물질

6

반응물 4

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

생성물 1

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

시약·촉매·용매 1

HCID 10340Sodium Carbonate용매

실험 절차

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.

후처리

  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

출처 및 근거

ORD 기록
ord-b664b83c8577486cb1fb9906d9d1f44b
출처 데이터셋
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08779129B2

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