[N:1]1([CH2:7][CH2:8][CH2:9][O:10][C:11]2[CH:16]=[CH:15][C:14]([CH2:17][C:18]([O:20]C)=[O:19])=[CH:13][CH:12]=2)[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1.Cl>CC(O)=O>[N:1]1([CH2:7][CH2:8][CH2:9][O:10][C:11]2[CH:12]=[CH:13][C:14]([CH2:17][C:18]([OH:20])=[O:19])=[CH:15][CH:16]=2)[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6]1To a stirring mixture of methyl 2-(4-(3-(piperidin-1-yl)propoxy)phenyl)acetate (570 mg) in HOAc (5 mL) was added 6N HCl (10 mL). The reaction mixture was warmed to 80° C. for 2 h. The crude product mixture was concentrated under reduced pressure and directly taken to the next reaction without further purification. Method[1], MS (ESI) 278.1 [M+H], Retention time=0.666 min.
Wird geladen…