Hydrochloric Acid → 3-Pyridinecarboxylic acid, 6-(4-amino-1-piperidinyl)-, ethyl ester
Reaction equation
C(OC([NH:8][CH:9]1[CH2:14][CH2:13][N:12]([C:15]2[CH:20]=[CH:19][C:18]([C:21]([O:23][CH2:24][CH3:25])=[O:22])=[CH:17][N:16]=2)[CH2:11][CH2:10]1)=O)(C)(C)C.Cl>C(OCC)(=O)C>[NH2:8][CH:9]1[CH2:14][CH2:13][N:12]([C:15]2[CH:20]=[CH:19][C:18]([C:21]([O:23][CH2:24][CH3:25])=[O:22])=[CH:17][N:16]=2)[CH2:11][CH2:10]1Participants
4
Procedure
The product of stage b) is dissolved in ethyl acetate, a 3N solution of hydrochloric acid in ethyl acetate is added and the mixture is left stirring at ambient temperature for 10 hours. The product is filtered off and washed with acetone. The title product is obtained. M.p.: 148-150° C.