[CH3:1][S:2][C:3]1[N:4]=[N:5][C:6]([CH:9]([NH:11][C:12](=O)[C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=2)[CH3:10])=[CH:7][N:8]=1.P(Cl)(Cl)(Cl)=O>ClCCCl>[CH3:10][C:9]1[N:11]=[C:12]([C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=2)[N:5]2[C:6]=1[CH:7]=[N:8][C:3]([S:2][CH3:1])=[N:4]2Applying the Cyclization Procedure 1, using N-{1-[3-(methylthio)-1,2,4-triazin-6-yl]ethyl}benzamide (Intermediate 70) (590 mg, 2.15 mmol), 1,2-dichloroethane (10 mL) and phosphorus oxychloride (1.60 mL, 17.17 mmol), to afford 5-methyl-2-(methylthio)-7-phenylimidazo[5,1-f][1,2,4]triazine (350 mg) as a yellow solid. MS m/z 257 (M+1).
Wird geladen…