Triethylamine → 2-(6-Methyl-2-pyridyl)-4H-1,3-benzothiazine-4-one
Reaktionsgleichung
[C:1]([O:10]C)(=O)[C:2]1[C:3](=[CH:5][CH:6]=[CH:7][CH:8]=1)[SH:4].[C:12]([C:14]1[CH:19]=[CH:18][CH:17]=[C:16]([CH3:20])[N:15]=1)#[N:13].C(N(CC)CC)C>C1(C)C=CC=CC=1>[CH3:20][C:16]1[N:15]=[C:14]([C:12]2[S:4][C:3]3[CH:5]=[CH:6][CH:7]=[CH:8][C:2]=3[C:1](=[O:10])[N:13]=2)[CH:19]=[CH:18][CH:17]=1Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
A mixture of methyl thiosalicylate (0.85 g, 5.1 mmol), 2-cyano-6-methylpyridine (0.60 g, 5.1 mmol), triethylamine (1.10 ml, 7.9 mmol) and toluene (1.1 ml) was refluxed for 9 hrs. After cooling, the precipitated crystals were collected by filtration and recrystallized from ethanol to give the titled compound (0.71 g, 55%).
Aufarbeitung
- temperaturewas refluxed for 9 hrs
- temperatureAfter cooling
- filtrationthe precipitated crystals were collected by filtration
- customrecrystallized from ethanol
Quellen und Nachweise
- ORD-Eintrag
- ord-aa8a0e393a224f77924b654a4e5b73ce
- Quelldatensatz
- uspto-grants-2010_08
- Patentnummer
- US07767665B2
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