[NH:1]1[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1.[CH3:7][O:8][CH2:9][C:10]1[N:15]=[C:14](Cl)[CH:13]=[CH:12][N:11]=1>ClCCl>[CH3:7][O:8][CH2:9][C:10]1[N:15]=[C:14]([N:1]2[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]2)[CH:13]=[CH:12][N:11]=1Piperidine (6.17 ml) in dichloromethane (40 ml) was added dropwise to a solution of 2-methoxymethyl-4-chloropyrimidine (4.71 g) in dichloromethane (40 ml). After standing overnight at room temperature the mixture was heated under reflux for 1 hour. After cooling the solution was washed with water, dried and stripped. The residue was chromatographed (silica gel, CHCl3) to give 2-methoxymethyl-4-piperidinopyrimidine (4.49 g) as an oil.
読み込み中…