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Tetramethyltin → 4-(4-Methyl-5-isoquinolyl)amino-1-(tert-butoxycarbonyl)piperidine

HRID 10531
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 10531
Br[C:2]1[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][C:10]=2[NH:12][CH:13]2[CH2:18][CH2:17][N:16]([C:19]([O:21][C:22]([CH3:25])([CH3:24])[CH3:23])=[O:20])[CH2:15][CH2:14]2)[CH:5]=[N:4][CH:3]=1.[CH3:26][Sn](C)(C)C.C(C1C=C(C)C=C(C(C)(C)C)C=1O)(C)(C)C>C1(C)C=CC=CC=1.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>[CH3:26][C:2]1[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][C:10]=2[NH:12][CH:13]2[CH2:18][CH2:17][N:16]([C:19]([O:21][C:22]([CH3:25])([CH3:24])[CH3:23])=[O:20])[CH2:15][CH2:14]2)[CH:5]=[N:4][CH:3]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 11661TetramethyltinHCID 314042,6-Di-tert-butyl-4-methylphenolHCID 219799724-(4-Bromo-5-isoquinolyl)amino-1-(tert-butoxycarbonyl)piperidine

Produkt 1

HCID 219798074-(4-Methyl-5-isoquinolyl)amino-1-(tert-butoxycarbonyl)piperidine

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 178418397
HCID 178418397, Verbindung
Katalysator
HCID 1140TolueneLösungsmittel

Reaktionsbedingungen

Temperatur
150 °C

Versuchsvorschrift

A solution of Intermediate 71 (313 mg) in toluene (6 ml) was added with tetrakis(triphenylphosphine)palladium(0) (17.9 mg, Aldrich), tetramethyltin (165 μl, Kanto Chemicals) and 2,6-di-tert-butyl-4-methylphenol (several pellets, Tokyo Kasei Kogyo) and stirred in a sealed tube at 150° C. for 48 hours. The reaction mixture was cooled to room temperature, filtered through Celite and concentrated under reduced pressure. The residue was added with saturated brine (30 ml) and extracted three times with ethyl acetate (30 ml for each time). The organic layers were combined and dried over anhydrous sodium sulfate, and then the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (hexane:ethyl acetate=2:1) to obtain the title compound (61.7 mg).

Aufarbeitung

  1. temperatureThe reaction mixture was cooled to room temperature
  2. filtrationfiltered through Celite
  3. concentrationconcentrated under reduced pressure
  4. additionThe residue was added with saturated brine (30 ml)
  5. extractionextracted three times with ethyl acetate (30 ml for each time)
  6. dry with materialdried over anhydrous sodium sulfate
  7. customthe solvent was evaporated under reduced pressure
  8. customThe residue was purified by silica gel column chromatography (hexane:ethyl acetate=2:1)

Quellen und Nachweise

ORD-Eintrag
ord-2e9115487cd940a38efae8fd5e24df8a
Quelldatensatz
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07094789B2

Notizen zur Reaktion

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