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Tetramethyltin → 4-(2-Methoxyethoxy)-2-(6-methylpyridin-3-yl)-6-(pyrazolo[1,5-a]pyridin-3-ylcarbonyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine

HRID 452584
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 452584
Cl[C:2]1[N:7]=[CH:6][C:5]([C:8]2[N:9]=[C:10]([O:29][CH2:30][CH2:31][O:32][CH3:33])[C:11]3[CH2:17][N:16]([C:18]([C:20]4[CH:21]=[N:22][N:23]5[CH:28]=[CH:27][CH:26]=[CH:25][C:24]=45)=[O:19])[CH2:15][CH2:14][C:12]=3[N:13]=2)=[CH:4][CH:3]=1.[CH3:34][Sn](C)(C)C>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>[CH3:33][O:32][CH2:31][CH2:30][O:29][C:10]1[C:11]2[CH2:17][N:16]([C:18]([C:20]3[CH:21]=[N:22][N:23]4[CH:28]=[CH:27][CH:26]=[CH:25][C:24]=34)=[O:19])[CH2:15][CH2:14][C:12]=2[N:13]=[C:8]([C:5]2[CH:6]=[N:7][C:2]([CH3:34])=[CH:3][CH:4]=2)[N:9]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 2

HCID 11661TetramethyltinHCID 49821989[2-(6-Chloropyridin-3-yl)-4-(2-methoxyethoxy)-7,8-dihydropyrido[4,3-d]pyrimidin-6(5h)-yl](pyrazolo[1,5-a]pyridin-3-yl)methanone

Produkt 1

HCID 498220734-(2-Methoxyethoxy)-2-(6-methylpyridin-3-yl)-6-(pyrazolo[1,5-a]pyridin-3-ylcarbonyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidineAusbeute 49 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 178418397
HCID 178418397, Verbindung
Katalysator
HCID 6228DimethylformamideLösungsmittel

Reaktionsbedingungen

Temperatur
150 °C

Versuchsvorschrift

To a solution of 30 mg (0.065 mmol) O-2 in 1 mL DMF in a microwave vial was added approximately 20 uL (˜0.15 mmol) tetramethyltin and 8 mg (˜10 mol %) tetrakistriphenylphosphinepalladium(0). The reaction was heated by microwave irradiation for 20 minutes at 150° C. After cooling, the reaction was purified by reverse phase HPLC (CH3CN/H2O with TFA as modifier), and the fractions containing the product were partitioned between EtOAc and saturated aqueous NaHCO3. The organic layer was washed with brine, dried over Na2SO4, filtered and concentrated to provide R-1 as a white solid (14 mg, 49% yield). HRMS m/z (M+H) 445.1977 found, 445.1983 required.

Aufarbeitung

  1. temperatureAfter cooling
  2. customthe reaction was purified by reverse phase HPLC (CH3CN/H2O with TFA as modifier)
  3. additionthe fractions containing the product
  4. customwere partitioned between EtOAc and saturated aqueous NaHCO3
  5. washThe organic layer was washed with brine
  6. dry with materialdried over Na2SO4
  7. filtrationfiltered
  8. concentrationconcentrated

Quellen und Nachweise

ORD-Eintrag
ord-f67e3aa8cdcc486596c9da51813412aa
Quelldatensatz
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08492392B2

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