Ethyl bromoacetate → 3-Carbethoxymethyl-2-methylthio-7-phenylpyrazolo [1,5-a]-1,3,5-triazine-4-one

HRID 35728Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 35728
[CH3:1][S:2][C:3]1[NH:8][C:7](=[O:9])[N:6]2[N:10]=[C:11]([C:13]3[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=3)[CH:12]=[C:5]2[N:4]=1.C(=O)([O-])[O-].[K+].[K+].[CH2:25]([O:27][C:28](=[O:31])[CH2:29]Br)[CH3:26]>CN(C)C=O>[C:28]([CH2:29][N:8]1[C:7](=[O:9])[N:6]2[N:10]=[C:11]([C:13]3[CH:14]=[CH:15][CH:16]=[CH:17][CH:18]=3)[CH:12]=[C:5]2[N:4]=[C:3]1[S:2][CH3:1])([O:27][CH2:25][CH3:26])=[O:31]

Komponenten

5

Versuchsvorschrift

A mixture of 260 mg of 2-methylthio-7-phenylpyrazolo [1,5-a]-1,3,5-triazine-4-one and 140 mg of anhydrous potassium carbonate in 5 ml dry dimethylformamide is stirred at room temperature for 15 min while 0.14 ml ethylbromacetate is added dropwise. The mixture is stirred at room temperature overnight, filtered, and the filter cake washed with dimethylformamide.

Aufarbeitung

  1. additionis added dropwise
  2. filtrationfiltered
  3. washthe filter cake washed with dimethylformamide

Quellen und Nachweise

ORD-Eintrag
ord-e18bd378688440c28bedfaf8b91e0186
Quelldatensatz
uspto-grants-1988_08
Patentnummer
US04767858

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