[Br:1][C:2]1[C:10]2[O:9][C:8]([N:11]3[CH2:16][CH2:15][CH2:14][CH2:13][CH2:12]3)=[N:7][C:6]=2[C:5]([O:17]C)=[CH:4][CH:3]=1>C(OCC)C>[Br:1][C:2]1[CH:3]=[CH:4][C:5]([OH:17])=[C:6]2[C:10]=1[O:9][C:8]([N:11]1[CH2:12][CH2:13][CH2:14][CH2:15][CH2:16]1)=[N:7]2Starting from 7-bromo-4-methoxy-2-(piperidin-1-yl)-benzooxazole (9.0 g). Trituration in diethyl ether afforded the title compound as a pale brown solid (7.46 g).
Wird geladen…