Reaktionsgleichung
[O:1]=[C:2]1[CH2:8][C:7](=[O:9])[CH2:6][CH2:5][CH2:4][NH:3]1.[CH:10]([O-])([O-])OC>C1(C)C=CC(S(O)(=O)=O)=CC=1>[CH3:10][O:9][CH:7]1[CH2:6][CH2:5][CH2:4][NH:3][C:2](=[O:1])[CH2:8]1Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
2,4-Dioxohexahydroazepine (4.57 g), methyl orthoformate (8.15 g) and p-toluenesulfonic acid (215 mg) are treated in the same manner as described in Example 1-(1) to give 4-methoxy-2,4,6,7-tetrahydroazepine-2-one (3.24 g, 63.8%) as colorless prisms. m.p. 70°-73° C.
Quellen und Nachweise
- ORD-Eintrag
- ord-8c9355e9166245eca042c98c42a6e8d5
- Quelldatensatz
- uspto-grants-1987_05
- Patentnummer
- US04663319
Verknüpfte Notizen
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