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

HRID 17115
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HRID 17115 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]([CH:24]1[CH2:29][CH2:28][CH2:27][CH2:26][CH2:25]1)#[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][CH:24]1[CH2:29][CH2:28][CH2:27][CH2:26][CH2:25]1
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참가 물질

8

반응물 4

HCID 6228DimethylformamideHCID 7912DiisopropylamineHCID 70263Ethynylcyclohexane2회HCID 46894439tert-Butyl (6-amino-7-iodo-1-methyl-1H-imidazo[4,5-c]pyridin-4-yl)(methyl)carbamate

생성물 1

HCID 60133861tert-butyl 6-amino-7-(cyclohexylethynyl)-1-methyl-1H-imidazo[4,5-c]pyridin-4-yl(methyl)carbamate

시약·촉매·용매 3

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

반응 조건

온도
95 °C

실험 절차

A1.12 tert-Butyl-6-amino-7-iodo-1-methyl-1H-imidazo[4,5-c]pyridin-4-yl(methyl)carbamate (1.0 g, 2.48 mmol), dichlorobis(triphenylphosphine)palladium (75 mg, 0.11 mmol), ethynylcyclohexane (0.3 g, 2.8 mmol), CuI (25 mg, 0.13 mmol), and diisopropylamine (5 mL) were added to N,N-dimethylformamide (7 mL). The reaction mixture was heated at 95° C. (in preheated oil bath) for 60 min. Additional ethynylcyclohexane (0.3 g, 2.8 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 chromatographed on a silica gel column (50%-70% ethyl acetate/hexane) to give 400 mg of C32.1 as a yellow solid. LCMS B: Ret time 3.15 min, (M+H)+=384.41.

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 chromatographed on a silica gel column (50%-70% ethyl acetate/hexane)
  6. customto give 400 mg of C32.1 as a yellow solid
  7. customRet time 3.15 min, (M+H)+=384.41

출처 및 근거

ORD 기록
ord-341fd1ab3d2e4c00a3d6c4f0fed9f36d
출처 데이터셋
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07737279B2

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