Methanol → HCID 136354592, Verbindung
Reaktionsgleichung
OC1[C:3]2[CH:14]=[CH:13][CH:12]=[CH:11][C:4]=2[S:5][C:6]=1[C:7](=[NH:10])OC.[CH3:15][OH:16].[CH:17]([OH:20])([CH3:19])[CH3:18]>>[OH:16][C:15]1[C:3]2[CH:14]=[CH:13][CH:12]=[CH:11][C:4]=2[S:5][C:6]=1[C:7](=[NH:10])[O:20][CH:17]([CH3:19])[CH3:18]Komponenten
4
Versuchsvorschrift
20 g of methyl 3-hydroxy-benzo[b]thiophene-2-carboximidate (Example 1) are heated under reflux in 500 ml of isopropanol for three days. The methanol being formed is constantly distilled off by passing through a stream of nitrogen. Evaporation to dryness and recrystallization of the residue from ethyl acetate yields yellow crystals with an m.p. 208° C.
Aufarbeitung
- distillationis constantly distilled off
- customEvaporation
- customto dryness and recrystallization of the residue from ethyl acetate
- customyields yellow crystals with an m.p. 208° C.
Quellen und Nachweise
- ORD-Eintrag
- ord-a6cb4d8ba1a24dcd911b7c75ce6a09ca
- Quelldatensatz
- uspto-grants-1977_04
- Patentnummer
- US04018793
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