Triethyl phosphonoacetate → Ethyl (1-methylpiperidin-4-yl)acetate
Reaktionsgleichung
[CH3:1][N:2]1[CH2:7][CH2:6][C:5](=O)[CH2:4][CH2:3]1.[CH3:9][CH2:10][O:11][C:12]([CH2:14]P(OCC)(OCC)=O)=[O:13].[H-].[Na+]>C1C=CC=CC=1>[CH2:10]([O:11][C:12](=[O:13])[CH2:14][CH:5]1[CH2:6][CH2:7][N:2]([CH3:1])[CH2:3][CH2:4]1)[CH3:9]Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
2-(1-Methyl-piperid-4-yl)-ethanoic acid ethyl ester is prepared from 1-methyl-piperid4-one (1 equiv), triethyl phosphono acetate (1 equiv) and NaH (1.1 equiv) in benzene followed by reduction of the alkene bond according to the procedure of Cignarella etc. (J Heterocyclic Chem 1993, 30 (5), 1337-1340).
Quellen und Nachweise
- ORD-Eintrag
- ord-7c9ed19be62f47e9bd4ec05490ec61e9
- Quelldatensatz
- uspto-grants-2005_08
- Patentnummer
- US06936606B2
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