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Methanol → 3-(5-Ethynylpyridin-3-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile trifluoroacetate

HRID 1962754
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1962754
C[Si](C)(C)CCOC[N:7]1[C:11]2[N:12]=[CH:13][N:14]=[C:15]([C:16]3[CH:17]=[N:18][N:19]([CH:21]([C:25]4[CH:26]=[N:27][CH:28]=[C:29]([C:31]#[C:32][Si](C)(C)C)[CH:30]=4)[CH2:22][C:23]#[N:24])[CH:20]=3)[C:10]=2[CH:9]=[CH:8]1.C(Cl)Cl.[C:42]([OH:48])([C:44]([F:47])([F:46])[F:45])=[O:43].[OH-].[K+].CO>>[C:42]([OH:48])([C:44]([F:47])([F:46])[F:45])=[O:43].[F:45][C:44]([F:47])([F:46])[C:42]([OH:48])=[O:43].[C:31]([C:29]1[CH:30]=[C:25]([CH:21]([N:19]2[CH:20]=[C:16]([C:15]3[C:10]4[CH:9]=[CH:8][NH:7][C:11]=4[N:12]=[CH:13][N:14]=3)[CH:17]=[N:18]2)[CH2:22][C:23]#[N:24])[CH:26]=[N:27][CH:28]=1)#[CH:32]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 5

HCID 887MethanolHCID 6344DichloromethaneHCID 6422Trifluoroacetic acidHCID 14797Potassium HydroxideHCID 57477894HCID 57477894, Verbindung

Produkt 2

HCID 6422Trifluoroacetic acidAusbeute 0,2 %
HCID 86632619
3-(5-Ethynylpyridin-3-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile trifluoroacetate
Ausbeute 36 %

Versuchsvorschrift

3-[4-(7-[2-(Trimethylsilyl)ethoxy]methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-3-{5-[(trimethylsilyl)ethynyl]pyridin-3-yl}propanenitrile (0.050 g, 0.000092 mol) was dissolved in DCM (5.0 mL, 0.078 mol) and TFA (2.0 mL, 0.026 mol). The reaction mixture was stirred at room temperature, for 90 minutes and was concentrated in vacuo. The dry residue dissolved in methanol cooled in an ice bath and a solution of potassium hydroxide (0.482 g, 0.00859 mol) in methanol (10 mL, 0.2 mol) was added. The reaction solution was stirred for 30 min was concentrated and the crude product was purified by preparative HPLC eluting with a water:ACN gradient with 0.2% TFA, to give the title compound as a white amorphous solid (15 mg, 35.85%). LCMS (M+1)+: 340, 1H NMR (400 MHz, DMSO-d6): δ 12.1 (bs, 1H), 9.02 (s, 1H), 8.80 (s, 1H), 8.70 (m, 2H), 8.48 (s, 1H), 8.00 (s, 1H), 7.80 (d, 1H), 7.15 (d, 1H), 6.20 (m, 1H), 4.82 (s, 1H), 3.90 (m, 1H), 3.70 (m, 1H).

Aufarbeitung

  1. concentrationwas concentrated in vacuo
  2. dissolutionThe dry residue dissolved in methanol
  3. temperaturecooled in an ice bath
  4. stirringThe reaction solution was stirred for 30 min
  5. concentrationwas concentrated
  6. customthe crude product was purified by preparative HPLC
  7. washeluting with a water

Quellen und Nachweise

ORD-Eintrag
ord-7950ccbf0d3f4f33becfe1cf6c04743d
Quelldatensatz
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08415362B2

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