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Sodium Carbonate → Benzyl 1-(cyclopropylmethyl)-2-oxo-5-phenyl-1,2-dihydropyridin-3-ylcarbamate

HRID 1725633
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1725633
[CH:1]1([CH2:4][N:5]2[CH:10]=[C:9](I)[CH:8]=[C:7]([NH:12][C:13](=[O:22])[O:14][CH2:15][C:16]3[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=3)[C:6]2=[O:23])[CH2:3][CH2:2]1.[C:24]1(B(O)O)[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1.C(=O)([O-])[O-].[Na+].[Na+]>O1CCCC1.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>[CH:1]1([CH2:4][N:5]2[CH:10]=[C:9]([C:24]3[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=3)[CH:8]=[C:7]([NH:12][C:13](=[O:22])[O:14][CH2:15][C:16]3[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=3)[C:6]2=[O:23])[CH2:3][CH2:2]1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 3

HCID 10340Sodium CarbonateHCID 66827Phenylboronic AcidHCID 68958794Benzyl 1-(cyclopropylmethyl)-5-iodo-2-oxo-1,2-dihydropyridin-3-ylcarbamate

Produkt 1

HCID 68808625Benzyl 1-(cyclopropylmethyl)-2-oxo-5-phenyl-1,2-dihydropyridin-3-ylcarbamate

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 178418397
HCID 178418397, Verbindung
Katalysator
HCID 702EthanolLösungsmittel
HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

Tetrakis(triphenylphosphine)palladium(0) (0.132 mg, 0.11 mmol) and benzyl 1-(cyclopropylmethyl)-5-iodo-2-oxo-1,2-dihydropyridin-3-ylcarbamate (0.097 mg, 0.229 mmol) in tetrahydrofuran (1 mL) were stirred at room temperature for 30 minutes. A solution of phenylboronic acid in ethanol (1 mL) was then added to the reaction mixture. After 1 h, a 2 M solution of sodium carbonate (1 mL) was added and the reaction was heated to reflux. After 3 h, the mixture was allowed to cool to ambient temperature and extracted with ethyl acetate and water. The combined organic extracts were washed with saturated brine, dried over magnesium sulfate, filtered and concentrated. Purification by chromatography (silica gel, 5% to 30% ethyl acetate in hexanes gradient elution) gave the title compound (0.061 g). MS 375 (M+1)

Aufarbeitung

  1. temperaturethe reaction was heated to reflux
  2. waitAfter 3 h
  3. extractionextracted with ethyl acetate and water
  4. washThe combined organic extracts were washed with saturated brine
  5. dry with materialdried over magnesium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated
  8. customPurification
  9. washby chromatography (silica gel, 5% to 30% ethyl acetate in hexanes gradient elution)

Quellen und Nachweise

ORD-Eintrag
ord-63a86a18a19f4222807b602aa9b7d28f
Quelldatensatz
uspto-grants-2009_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07491713B2

Notizen zur Reaktion

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