[N:1]1[CH:2]=[CH:3][N:4]2[CH:9]=[CH:8][CH:7]=[C:6]([CH2:10]O)[C:5]=12.S(Cl)([Cl:14])=O>>[Cl:14][CH2:10][C:6]1[C:5]2[N:4]([CH:3]=[CH:2][N:1]=2)[CH:9]=[CH:8][CH:7]=1A mixture of imidazo[1,2-a]pyridin-8-ylmethanol (800 mg) and excess thionyl chloride was stirred at 70-80° C. for 8 h. Excess thionyl chloride was removed under vacuum. The residue was then diluted with toluene and evaporated. This procedure was repeated 3 times.
Wird geladen…