[C:1]([C:5]1[CH:13]=[CH:12][C:8]([C:9](Cl)=[O:10])=[CH:7][N:6]=1)([O:3][CH3:4])=[O:2].[NH:14]1[CH2:19][CH2:18][O:17][CH2:16][CH2:15]1>>[N:14]1([C:9]([C:8]2[CH:12]=[CH:13][C:5]([C:1]([O:3][CH3:4])=[O:2])=[N:6][CH:7]=2)=[O:10])[CH2:19][CH2:18][O:17][CH2:16][CH2:15]1In step B, the acid chloride (2) is amidated with morpholine by techniques and procedures well known and appreciated by one of ordinary skill in the art to provide the corresponding 5-(morpholine-4-carbonyl)-2-pyridinecarboxylic acid, methyl ester (3).
Wird geladen…