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2-Bromo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl]amide → 2-(6-fluoro-3-methylsulfanyl-imidazo[1,5-a]pyridin-1-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl]-amide

HRID 245876
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HRID 245876 반응식
[C:1]([CH:3]1[CH2:6][N:5]([C:7](=[O:31])[C@H:8]([NH:10][C:11]([C:13]2[C:21]3[C:16](=[N:17][CH:18]=[C:19](Br)[N:20]=3)[N:15]([CH2:23][O:24][CH2:25][CH2:26][Si:27]([CH3:30])([CH3:29])[CH3:28])[CH:14]=2)=[O:12])[CH3:9])[CH2:4]1)#[N:2].[F:32][C:33]1[CH:34]=[CH:35][C:36]2[N:37]([C:39]([S:55][CH3:56])=[N:40][C:41]=2[Sn](CCCC)(CCCC)CCCC)[CH:38]=1>CN(C=O)C.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.[Cu]I>[C:1]([CH:3]1[CH2:6][N:5]([C:7](=[O:31])[C@H:8]([NH:10][C:11]([C:13]2[C:21]3[C:16](=[N:17][CH:18]=[C:19]([C:41]4[N:40]=[C:39]([S:55][CH3:56])[N:37]5[CH:38]=[C:33]([F:32])[CH:34]=[CH:35][C:36]=45)[N:20]=3)[N:15]([CH2:23][O:24][CH2:25][CH2:26][Si:27]([CH3:30])([CH3:29])[CH3:28])[CH:14]=2)=[O:12])[CH3:9])[CH2:4]1)#[N:2]
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참가 물질

6

반응물 2

HCID 584386122-Bromo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl]amideHCID 712798576-Fluoro-3-methylsulfanyl-1-tributylstannanyl-imidazo[1,5-a]pyridine

생성물 1

HCID 712888582-(6-fluoro-3-methylsulfanyl-imidazo[1,5-a]pyridin-1-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl]-amide수율 82%

시약·촉매·용매 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)촉매HCID 178418397HCID 178418397, 화합물촉매HCID 6228Dimethylformamide용매

반응 조건

온도
80 °C

실험 절차

In a round-bottomed flask, 2-bromo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl]-amide (100 mg, 0.20 mmol) and 6-fluoro-3-methylsulfanyl-1-tributylstannanyl-imidazo[1,5-a]pyridine (crude from Step 4) were dissolved in DMF (2 ml). The flask was evacuated and backfilled with argon then tetrakis(triphenylphosphine)palladium (0) (12 mg, 0.010 mmol) and copper (I) iodide (8 mg, 0.042 mmol) were added. The reaction mixture was stirred at 80° C. in an oil bath overnight then cooled to room temperature, quenched with water and extracted with diethyl ether (2×). The combined organic layers were washed twice with water and once with brine then dried over sodium sulfate, filtered and concentrated. The residue was chromatographed over silica gel with MeOH/CH2Cl2/0.5% NH4OH (gradient 0-2.5% MeOH) to afford 109 mg (82%) of 2-(6-fluoro-3-methylsulfanyl-imidazo[1,5-a]pyridin-1-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl]-amide as a brown oil.

후처리

  1. customThe flask was evacuated
  2. temperaturethen cooled to room temperature
  3. customquenched with water
  4. extractionextracted with diethyl ether (2×)
  5. washThe combined organic layers were washed twice with water and once with brine
  6. dry with materialthen dried over sodium sulfate
  7. filtrationfiltered
  8. concentrationconcentrated
  9. customThe residue was chromatographed over silica gel with MeOH/CH2Cl2/0.5% NH4OH (gradient 0-2.5% MeOH)

출처 및 근거

ORD 기록
ord-5296b989704e431ab9b9bca2fa4a2c1e
출처 데이터셋
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08658646B2

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