Cyanogen Bromide → 5-chloro-1-(tetrahydro-pyran-4-ylmethyl)-1H-benzimidazol-2-ylamine
Reaktionsgleichung
[Cl:1][C:2]1[CH:3]=[C:4]([NH2:16])[C:5]([NH:8][CH2:9][CH:10]2[CH2:15][CH2:14][O:13][CH2:12][CH2:11]2)=[CH:6][CH:7]=1.[N:17]#[C:18]Br>C(O)C>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]2[N:8]([CH2:9][CH:10]3[CH2:11][CH2:12][O:13][CH2:14][CH2:15]3)[C:18]([NH2:17])=[N:16][C:4]=2[CH:3]=1Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
4-Chloro-N1-(tetrahydro-pyran-4-ylmethyl)-benzene-1,2-diamine (1.026 g; 4.261 mmol) is dissolved in ethanol (65 mL) and cyanogen bromide (0.903 g; 8.522 mmol) is added. The reaction is stirred at room temperature overnight. After this time the mixture is concentrated in vacuo to afford title compound as a tan solid which was used without further purification. ESI m/z 266 [M+H]+/264 [M−H]−