Sodium Hydroxide → 1-(5-Chloropyrimidin-2-yl)piperidin-4-one
Reaktionsgleichung
[Cl:1][C:2]1[CH:3]=[N:4][C:5]([N:8]2[CH2:17][CH2:16][C:11]3(OCC[O:12]3)[CH2:10][CH2:9]2)=[N:6][CH:7]=1.[OH-].[Na+]>Cl>[Cl:1][C:2]1[CH:3]=[N:4][C:5]([N:8]2[CH2:17][CH2:16][C:11](=[O:12])[CH2:10][CH2:9]2)=[N:6][CH:7]=1Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
A solution of 8-(5-chloropyrimidin-2-yl)-1,4-dioxa-8-azaspiro[4.5]decane (4.2 g) in 6 M aqueous HCl (50 mL) is stirred at room temperature for 60 h. The solution is cooled in ice bath and 4 M aqueous NaOH solution (90 mL) is added in portions to make the solution strongly basic (pH˜14). The mixture is extracted with dichloromethane (2×200 mL) and the combined organic layers are dried over Na2SO4, filtered and concentrated to yield the title compound.
Aufarbeitung
- temperatureThe solution is cooled in ice bath
- extractionThe mixture is extracted with dichloromethane (2×200 mL)
- dry with materialthe combined organic layers are dried over Na2SO4
- filtrationfiltered
- concentrationconcentrated
Quellen und Nachweise
- ORD-Eintrag
- ord-d9c085edf15e415ebd1c4247be5d2954
- Quelldatensatz
- uspto-grants-2014_09
- Patentnummer
- US08822471B2
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