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Dimethylformamide → tert-butyl 6-amino-7-((3-cyano-5-fluorophenyl)ethynyl)-1-methyl-1H-imidazo[4,5-c]pyridin-4-yl(methyl)carbamate

HRID 2387718
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HRID 2387718 반응식
[C:1]([O:5][C:6](=[O:21])[N:7]([C:9]1[C:14]2[N:15]=[CH:16][N:17]([CH3:18])[C:13]=2[C:12](I)=[C:11]([NH2:20])[N:10]=1)[CH3:8])([CH3:4])([CH3:3])[CH3:2].[C:22]([C:24]1[CH:25]=[C:26]([CH:29]=[C:30]([F:32])[CH:31]=1)[C:27]#[N:28])#[CH:23].C(NC(C)C)(C)C.CN(C)C=O>C(OCC)(=O)C.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.[Cu]I>[NH2:20][C:11]1[N:10]=[C:9]([N:7]([CH3:8])[C:6](=[O:21])[O:5][C:1]([CH3:4])([CH3:3])[CH3:2])[C:14]2[N:15]=[CH:16][N:17]([CH3:18])[C:13]=2[C:12]=1[C:23]#[C:22][C:24]1[CH:31]=[C:30]([F:32])[CH:29]=[C:26]([C:27]#[N:28])[CH:25]=1
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참가 물질

8

반응물 4

HCID 6228DimethylformamideHCID 7912DiisopropylamineHCID 167365813-Ethynyl-5-fluorobenzonitrile2회HCID 46894439tert-Butyl (6-amino-7-iodo-1-methyl-1H-imidazo[4,5-c]pyridin-4-yl)(methyl)carbamate

생성물 1

HCID 67526848tert-butyl 6-amino-7-((3-cyano-5-fluorophenyl)ethynyl)-1-methyl-1H-imidazo[4,5-c]pyridin-4-yl(methyl)carbamate

시약·촉매·용매 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)촉매HCID 178418476HCID 178418476, 화합물촉매HCID 8857Ethyl Acetate용매

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온도
90 °C

실험 절차

A1.12 tert-Butyl-6-amino-7-iodo-1-methyl-1H-imidazo[4,5-c]pyridin-4-yl(methyl)carbamate (3.2 g, 7.9 mmol), dichlorobis(triphenylphosphine)palladium (270 mg, 0.38 mmol), 3-ethynyl-5-fluorobenzonitrile (C1.2) (1.5 g, 10 mmol), CuI (75 mg, 0.39 mmol), diisopropylamine (15 mL) were added to N,N-dimethylformamide (15 mL). The reaction mixture was heated at 90° C. (in preheated oil bath) for 60 min. Additional 3-ethynyl-5-fluorobenzonitrile (C1.2) (0.5 g, 3.4 mmol) was added to the reaction mixture and heated for another 60 min. The reaction was cooled and diluted with ethyl acetate and washed several times with water. The solvent removed under reduced pressure and the residue was purified by silica gel column chromatography (50%-70% ethyl acetate/hexane) to give 3.0 g (90%) of C1.3. LCMS B: Ret time 2.98 min, (M+H)+=421.31, 1H NMR, 400 MHz, CDCl3: 7.62 (s, 1H), 7.57 (s, 1H), 7.42 (dm, 1H), 7.35 (dm, 1H), 5.00 (bs, 2H), 4.05 (s, 3H), 3.39 (s, 3H), 1.44 (s, 9H).

후처리

  1. temperatureheated for another 60 min
  2. temperatureThe reaction was cooled
  3. washwashed several times with water
  4. customThe solvent removed under reduced pressure
  5. customthe residue was purified by silica gel column chromatography (50%-70% ethyl acetate/hexane)
  6. customto give 3.0 g (90%) of C1.3
  7. customRet time 2.98 min, (M+H)+=421.31, 1H NMR, 400 MHz, CDCl3: 7.62 (s, 1H), 7.57 (s, 1H), 7.42 (dm, 1H), 7.35 (dm, 1H), 5.00 (bs, 2H), 4.05 (s, 3H), 3.39 (s, 3H), 1.44 (s, 9H)

출처 및 근거

ORD 기록
ord-9f413e74352a437caedf87c2bd7d1d8c
출처 데이터셋
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08268855B2

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