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Pyridine → HCID 59272963, Verbindung

HRID 2423088
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2423088
[C:1]1([CH2:7][O:8][C:9]2[CH:17]=[CH:16][CH:15]=[C:14]3[C:10]=2[CH:11]=[N:12][NH:13]3)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH3:18][C:19]1[CH:20]=[C:21](B(O)O)[CH:22]=[CH:23][C:24]=1[O:25][CH3:26].N1C=CC=CC=1>C(Cl)Cl.C([O-])(=O)C.[Cu+2].C([O-])(=O)C>[CH3:18][C:19]1[CH:20]=[C:21]([N:13]2[C:14]3[C:10](=[C:9]([O:8][CH2:7][C:1]4[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=4)[CH:17]=[CH:16][CH:15]=3)[CH:11]=[N:12]2)[CH:22]=[CH:23][C:24]=1[O:25][CH3:26]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 1049PyridineHCID 2773487(4-Methoxy-3-methylphenyl)boronic acidHCID 231344734-(Benzyloxy)-1h-indazole

Produkt 1

HCID 59272963HCID 59272963, VerbindungAusbeute 73,2 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 8895Cupric acetateKatalysator
HCID 6344
Dichloromethane
Lösungsmittel

Versuchsvorschrift

The 4-[(phenylmethyl)oxy]-1H-indazole (D1) (500 mg, 2.23 mmol), the [3-methyl-4-(methyloxy)phenyl]boronic acid (740 mg, 4.46 mmol), copper (II) acetate (608 mg, 3.345 mmol), pyridine (0.36 mL, 4.46 mmol) and powdered molecular sieves (400 mg) in DCM (75 mL) were stirred at room temperature in the presence of air. After 41 hours the mixture was filtered through a pad of celite and washed with water. The aqueous was re-extracted with DCM and the combined organics were washed with brine and dried over MgSO4. The crude (1.17 g) was purified by flash chromatography (Biotage SP4) with a gradient of EtOAc 0 to 30% in hexane to afford 562 mg of title compound (D34) containing an impurity.

Aufarbeitung

  1. filtrationAfter 41 hours the mixture was filtered through a pad of celite
  2. washwashed with water
  3. extractionThe aqueous was re-extracted with DCM
  4. washthe combined organics were washed with brine
  5. dry with materialdried over MgSO4
  6. customThe crude (1.17 g) was purified by flash chromatography (Biotage SP4) with a gradient of EtOAc 0 to 30% in hexane

Quellen und Nachweise

ORD-Eintrag
ord-b8ee353eb79644909b2c04d1dab6407c
Quelldatensatz
uspto-grants-2011_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07960563B2

Notizen zur Reaktion

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