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Triethylamine → 4-(4-chlorobenzyl)-6-methoxy-2-(3-(2-oxopyrrolidin-1-yl)phenyl)-1,2,4-triazine-3,5(2H,4H)-dione

HRID 1624907
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HRID 1624907 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.CCN(CC)CC.Br[CH2:34][CH2:35][CH2:36][C:37](Cl)=[O:38]>CN(C=O)C>[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:5]=[CH:6][CH:7]=[C:2]([N:1]4[CH2:34][CH2:35][CH2:36][C:37]4=[O:38])[CH:3]=3)[C:13]2=[O:14])=[CH:17][CH:18]=1
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5

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HCID 8471TriethylamineHCID 702254-Bromobutyryl chlorideHCID 687024682-(3-aminophenyl)-4-(4-chlorobenzyl)-6-methoxy-1,2,4-triazine-3,5(2H,4H)-dione

생성물 1

HCID 251062074-(4-chlorobenzyl)-6-methoxy-2-(3-(2-oxopyrrolidin-1-yl)phenyl)-1,2,4-triazine-3,5(2H,4H)-dione수율 5.2%

시약·촉매·용매 1

HCID 6228Dimethylformamide
용매

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온도
80 °C

실험 절차

According to Scheme 9 Step 2: To a solution of 2-(3-aminophenyl)-4-(4-chlorobenzyl)-6-methoxy-1,2,4-triazine-3,5(2H,4H)-dione (100 mg, 0.27 mmol) (1 mL) and NEt3 (78 μL, 0.55 mmol) in DMF was added bromobutyryl chloride (36 μL, 0.30 mmol). The reaction mixture was heated at 80° C. for 4 hours then quenched with water and extracted with ethyl acetate. The organic layers were combined and successively washed with water, brine, dried over MgSO4, filtered and concentrated. The crude product was purified on a prepacked silica column (10 g) 8:2 cyclohexane/Ethyl acetate 80/20 to afford 4-(4-chlorobenzyl)-6-methoxy-2-(3-(2-oxopyrrolidin-1-yl)phenyl)-1,2,4-triazine-3,5(2H,4H)-dione 4.145 as a white solid (6 mg, 5%).

후처리

  1. customthen quenched with water
  2. extractionextracted with ethyl acetate
  3. washsuccessively washed with water, brine
  4. dry with materialdried over MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customThe crude product was purified on a prepacked silica column (10 g) 8:2 cyclohexane/Ethyl acetate 80/20

출처 및 근거

ORD 기록
ord-38a6d7f4feef4593b485d6a767e940c0
출처 데이터셋
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08779129B2

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