Dimethylformamide → 2-(6-fluoro-1H-indazol-3-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid (1-methyl-2-pyridin-2-yl-ethyl)-amide

HRID 246264

Reaktionsgleichung

Reaktionsgleichung von HRID 246264
[F:1][C:2]1[CH:10]=[C:9]2[C:5]([C:6]([Sn](CCCC)(CCCC)CCCC)=[N:7][NH:8]2)=[CH:4][CH:3]=1.[CH3:24][CH:25]([NH:33][C:34]([C:36]1[C:44]2[C:39](=[N:40][CH:41]=[C:42](Br)[N:43]=2)[N:38]([CH2:46][O:47][CH2:48][CH2:49][Si:50]([CH3:53])([CH3:52])[CH3:51])[CH:37]=1)=[O:35])[CH2:26][C:27]1[CH:32]=[CH:31][CH:30]=[CH:29][N:28]=1.CN(C=O)C>CCOCC.[Cu]I.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>[CH3:24][CH:25]([NH:33][C:34]([C:36]1[C:44]2[C:39](=[N:40][CH:41]=[C:42]([C:6]3[C:5]4[C:9](=[CH:10][C:2]([F:1])=[CH:3][CH:4]=4)[NH:8][N:7]=3)[N:43]=2)[N:38]([CH2:46][O:47][CH2:48][CH2:49][Si:50]([CH3:52])([CH3:51])[CH3:53])[CH:37]=1)=[O:35])[CH2:26][C:27]1[CH:32]=[CH:31][CH:30]=[CH:29][N:28]=1

Komponenten

7

Edukt 3

HCID 6228DimethylformamideHCID 866779692-bromo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid (1-methyl-2-pyridin-2-yl-ethyl)-amideHCID 1784482326-fluoro-3-(tributylstannyl)-1H-indazole

Produkt 1

HCID 712857502-(6-fluoro-1H-indazol-3-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid (1-methyl-2-pyridin-2-yl-ethyl)-amideAusbeute 61 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)KatalysatorHCID 178418397HCID 178418397, VerbindungKatalysatorHCID 3283Diethyl EtherLösungsmittel

Reaktionsbedingungen

Temperatur
90 °C

Versuchsvorschrift

6-Fluoro-3-tributylstannyl-1H-indazole (0.20 g, 0.47 mmol), copper(I) iodide (12 mg, 0.06 mmol) and 2-bromo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid (1-methyl-2-pyridin-2-yl-ethyl)-amide (200 mg, 0.41 mmol) were combined with DMF (6 mL) to give a yellow solution. The mixture was degassed with nitrogen for 10 min then tetrakis(triphenylphosphine)palladium (0) (23 mg, 0.02 mmol) was added. The reaction was stirred at 90° C. under nitrogen for 15 h. The reaction mixture was cooled, diluted with ether (60 mL) and washed with water and brine. The organic layer was dried over anhydrous sodium sulfate, filtered and concentrated in vacuo. The residue was purified by silica gel chromatography (0-3% methanol in dichloromethane with 0.5% ammonium hydroxide) to give 136 mg (61%) of 2-(6-fluoro-1H-indazol-3-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid (1-methyl-2-pyridin-2-yl-ethyl)-amide as a foaming solid. MS: (M+H)+=546.

Aufarbeitung

  1. customto give a yellow solution
  2. customThe mixture was degassed with nitrogen for 10 min
  3. temperatureThe reaction mixture was cooled
  4. washwashed with water and brine
  5. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated in vacuo
  8. customThe residue was purified by silica gel chromatography (0-3% methanol in dichloromethane with 0.5% ammonium hydroxide)

Quellen und Nachweise

ORD-Eintrag
ord-c603173ada864d6d82a7bf8787b902a7
Quelldatensatz
uspto-grants-2014_02
Patentnummer
US08658646B2

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