[Si:1]([O:8][CH2:9][C:10]1[C:11]([F:22])=[C:12]([N:16]2[CH2:21][CH2:20][NH:19][CH2:18][CH2:17]2)[CH:13]=[CH:14][CH:15]=1)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].Cl.Cl[C:25]1[CH:30]=[CH:29][N:28]=[CH:27][N:26]=1>CC(O)C>[Si:1]([O:8][CH2:9][C:10]1[C:11]([F:22])=[C:12]([N:16]2[CH2:21][CH2:20][N:19]([C:25]3[CH:30]=[CH:29][N:28]=[CH:27][N:26]=3)[CH2:18][CH2:17]2)[CH:13]=[CH:14][CH:15]=1)([C:4]([CH3:7])([CH3:5])[CH3:6])([CH3:3])[CH3:2]1-[3-({[tert-Butyl(dimethyl)silyl]oxy}methyl)-2-fluorophenyl]piperazine (355 mg) was mixed with IPA (4.5 ml), and 4-chloro-pyrimidine hydrochloride (150 mg) and TEA (302 mg) were added thereto, followed by stirring at 60° C. overnight. The reaction mixture was cooled to room temperature and then concentrated under reduced pressure, and the residue was purified by silica gel column chromatography (MeOH/CHCl3) to obtain 4-{4-[3-({[tert-butyl(dimethyl)silyl]oxy}methyl)-2-fluorophenyl]piperazin-1-yl}pyrimidine (391 mg).
Wird geladen…