Reaktionsgleichung
C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.[F:20][C:21]1[N:29]=[CH:28][CH:27]=[CH:26][C:22]=1[C:23]([NH2:25])=O>ClC(Cl)C.C(Cl)(Cl)(Cl)Cl>[F:20][C:21]1[N:29]=[CH:28][CH:27]=[CH:26][C:22]=1[C:23]#[N:25]Komponenten
5
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 2
Versuchsvorschrift
Add resin bound triphenylphosphine (4.0 g, 12.0 mmol) to a solution of 2-fluoro-nicotinamide (0.6 g, 4.3 mmol) in dichloroethane (20.0 mL) and carbon tetrachloride (20.0 mL). Reflux for 18 hours, cool to RT, filter, and concentrate the filtrate under vacuum. Purify by flash column on silica gel eluting with 10-60% EtOAc in hexanes to give the title compound (0.34 g, 64%). MS (ES) 123.1 (M+1)+. 1H NMR (400 MHz, CHCl3) δ 8.46 (m, 1H), 8.09 (m, 1H), 7.37 (m, 1H).
Aufarbeitung
- temperatureReflux for 18 hours
- filtrationfilter
- concentrationconcentrate the filtrate under vacuum
- customPurify by flash column on silica gel eluting with 10-60% EtOAc in hexanes
Quellen und Nachweise
- ORD-Eintrag
- ord-9daca0f9c8a94c3692cb5df952bc2f71
- Quelldatensatz
- uspto-grants-2007_10
- Patentnummer
- US07276516B2
Verknüpfte Notizen
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