Diethyl (ethoxymethylene)malonate → HCID 12083030, Verbindung
Reaktionsgleichung
[CH3:1][C:2]1([CH3:11])[CH2:10][C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[NH:3]1.C(O[CH:15]=[C:16]([C:22]([O:24][CH2:25][CH3:26])=[O:23])[C:17]([O:19][CH2:20][CH3:21])=[O:18])C>>[CH3:1][C:2]1([CH3:11])[CH2:10][C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[N:3]1[CH:15]=[C:16]([C:17]([O:19][CH2:20][CH3:21])=[O:18])[C:22]([O:24][CH2:25][CH3:26])=[O:23]Komponenten
3
Reaktionsbedingungen
- Temperatur
- 105 °C
Versuchsvorschrift
A mixture of 2,2-dimethylindoline (1.47 g) and diethyl ethoxymethylenemalonate (2.0 ml) is heated to 105° C. for 17 hours to afford the title compound as a pale yellow oil. Physical characteristics: 1H NMR (CDCl3) δ7.76, 7.18, 7.12, 6.97, 6.74, 4.24, 3.16, 1.50, 1.34.
Quellen und Nachweise
- ORD-Eintrag
- ord-62ec539d348e47e59aa4cc5914ae4f11
- Quelldatensatz
- uspto-grants-2003_09