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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
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 245876
[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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Komponenten

6

Edukt 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

Produkt 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]-amideAusbeute 82 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)KatalysatorHCID 178418397HCID 178418397, VerbindungKatalysatorHCID 6228DimethylformamideLösungsmittel

Reaktionsbedingungen

Temperatur
80 °C

Versuchsvorschrift

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.

Aufarbeitung

  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)

Quellen und Nachweise

ORD-Eintrag
ord-5296b989704e431ab9b9bca2fa4a2c1e
Quelldatensatz
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08658646B2

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