Br[C:2]1[CH:7]=[CH:6][C:5]([O:8][CH3:9])=[CH:4][N:3]=1.[O:10]1[C:14]2([CH2:19][CH2:18][C:17](=[O:20])[CH2:16][CH2:15]2)[O:13][CH2:12][CH2:11]1>CCOCC>[CH3:9][O:8][C:5]1[CH:6]=[CH:7][C:2]([C:17]2([OH:20])[CH2:18][CH2:19][C:14]3([O:13][CH2:12][CH2:11][O:10]3)[CH2:15][CH2:16]2)=[N:3][CH:4]=1The title compound was prepared as a white solid from 2-bromo-5-methoxy-pyridine (Aldrich) and 1,4-dioxa-spiro[4.5]decan-8-one in ether using the procedure described in Step A of Example 1.
Wird geladen…