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Diisopropylethylamine → 1-(7-bromo-4-fluoro-1H-pyrrolo[2,3-c]pyridin-3-yl)-2-(4-(1-phenyl-1H-tetrazol-5-yl)piperazin-1-yl)ethane-1,2-dione

HRID 1157746
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HRID 1157746 반응식
[Br:1][C:2]1[N:3]=[CH:4][C:5]([F:16])=[C:6]2[C:10]([C:11](=[O:15])[C:12]([OH:14])=O)=[CH:9][NH:8][C:7]=12.[C:17]1([N:23]2[C:27]([N:28]3[CH2:33][CH2:32][NH:31][CH2:30][CH2:29]3)=[N:26][N:25]=[N:24]2)[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1.CCN(C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.[B-](F)(F)(F)F>CN(C=O)C>[Br:1][C:2]1[N:3]=[CH:4][C:5]([F:16])=[C:6]2[C:10]([C:11](=[O:15])[C:12]([N:31]3[CH2:32][CH2:33][N:28]([C:27]4[N:23]([C:17]5[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=5)[N:24]=[N:25][N:26]=4)[CH2:29][CH2:30]3)=[O:14])=[CH:9][NH:8][C:7]=12
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참가 물질

6

반응물 4

HCID 81531DiisopropylethylamineHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 38255781-(1-Phenyl-1H-tetrazol-5-YL)piperazineHCID 207912392-(7-bromo-4-fluoro-1H-pyrrolo[2,3-c]pyridin-3-yl)-2-oxoacetic acid

생성물 1

HCID 595113051-(7-bromo-4-fluoro-1H-pyrrolo[2,3-c]pyridin-3-yl)-2-(4-(1-phenyl-1H-tetrazol-5-yl)piperazin-1-yl)ethane-1,2-dione
수율 52.4%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

2-(7-bromo-4-fluoro-1H-pyrrolo[2,3-c]pyridin-3-yl)-2-oxoacetic acid (5.0 g, 17.5 mmol) was dissolved in DMF (100 mL) and treated with 1-(1-phenyl-1H-tetrazol-5-yl)piperazine (4.0 g, 17.5 mmol), Hunig's base (9.2 mL, 52.6 mmol) and TBTU (5.6 g, 17.5 mmol) and the reaction mixture was stirred at rt for 18 h. Solvent was removed in vacuum and water was added. A white solid precipitated out and it was collected by filtration and recrystallized twice with MeOH to afford the title compound (4.58 g) as a white solid. The mother liquid was concentrated and purified using silica gel (CH2Cl2 to 5% MeOH/CH2Cl2) to afford more title compound (1.8 g). 1HNMR (500 MHz, DMSO) δ 8.47 (s, 1H), 8.16 (s, 1H), 7.70-7.59 (m, 5H), 3.67 (m, 2H), 3.44 (m, 2H), 3.37 (m, 2H), 3.20 (m, 2H). LCMS: m/e 499 (M+H)+, ret time 1.50 min (method 1).

후처리

  1. customSolvent was removed in vacuum and water
  2. additionwas added
  3. customA white solid precipitated out
  4. filtrationit was collected by filtration
  5. customrecrystallized twice with MeOH

출처 및 근거

ORD 기록
ord-5124aa9fc0604010a31c48b033598bc7
출처 데이터셋
uspto-grants-2010_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07807676B2

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