[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 (7) is amidated with morpholine (8) by techniques and procedures well known and appreciated by one of ordinary skill in the art to give the corresponding 5-(morpholine-4-carbonyl)-2-pyridinecarboxylic acid, methyl ester (9).
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