Triethylamine → 2-(4-Cyano-2-pyridyl)-4H-1,3-benzothiazine-4-one

HRID 499397Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 499397
[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]=[C:18]([C:20]#[N:21])[CH:17]=[CH:16][N:15]=1)#[N:13].C(N(CC)CC)C>C1(C)C=CC=CC=1>[C:20]([C:18]1[CH:17]=[CH:16][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]=1)#[N:21]

Komponenten

5

Versuchsvorschrift

A mixture of methyl thiosalicylate (0.65 g, 3.9 mmol), 2,4-dicyanopyridine (0.50 g, 3.9 mmol), triethylamine (0.81 ml, 5.8 mmol) and toluene (2.0 ml) was refluxed for 2.5 hrs. After cooling, the precipitated crystals were collected by filtration and recrystallized from acetone-chloroform to give the titled compound (0.54 g, 53%).

Aufarbeitung

  1. temperaturewas refluxed for 2.5 hrs
  2. temperatureAfter cooling
  3. filtrationthe precipitated crystals were collected by filtration
  4. customrecrystallized from acetone-chloroform

Quellen und Nachweise

ORD-Eintrag
ord-18b82590e20a4bfe96d0243f401d17bd
Quelldatensatz
uspto-grants-2010_08
Patentnummer
US07767665B2

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