Isopropanol → Diethyl 2-amino-4,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
Reaktionsgleichung
[CH2:1]([O:3][C:4](=[O:11])[CH2:5][C:6]([CH:8]=CC)=O)[CH3:2].[CH2:12]([O:14][C:15](=[O:20])[CH2:16][C:17](=[NH:19])[NH2:18])[CH3:13].[CH:21](O)(C)[CH3:22]>C(O)C>[CH2:12]([O:14][C:15]([C:16]1[CH:6]([CH3:8])[C:5]([C:4]([O:3][CH2:1][CH3:2])=[O:11])=[C:21]([CH3:22])[NH:19][C:17]=1[NH2:18])=[O:20])[CH3:13]Komponenten
5
Versuchsvorschrift
Upon heating a solution of ethylideneacetoacetic acid ethyl ester and 13.0 g of amidinoacetic acid ethyl ester in 100 ml of ethanol for 2 hours, 2-amino-4,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylic acid diethyl ester of melting point 140°C (isopropanol) is obtained.
Quellen und Nachweise
- ORD-Eintrag
- ord-0e439da5b51446769fad05c5774a3c24
- Quelldatensatz
- uspto-grants-1977_01
- Patentnummer
- US04001258
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