CC(C)C(NC1C=CC=C(C2CCNCC2)C=1)=O.Cl.[N+:20]([C:23]1[CH:28]=[CH:27][C:26]([C:29]2[CH2:30][CH2:31][N:32](C(OC(C)(C)C)=O)[CH2:33][CH:34]=2)=[CH:25][CH:24]=1)([O-:22])=[O:21]>O1CCOCC1>[N+:20]([C:23]1[CH:28]=[CH:27][C:26]([C:29]2[CH2:34][CH2:33][NH:32][CH2:31][CH:30]=2)=[CH:25][CH:24]=1)([O-:22])=[O:21]4-(4-Nitrophenyl)-1,2,3,6-tetrahydropyridine was prepared by a similar procedure to that used for the preparation of 2-methyl-N-[3-(4-piperidinyl)phenyl]propanamide using HCl gas and tert-Butyl 4-(4-Nitrophenyl)-3,6-dihydro-1(2H)-pyridinecarboxylate (130 mg) in dioxane (5.0 mL) at room temperature. The reaction mixture was concentrated in vacuo to give the crude product (69.8 mg) which used in the next reaction without further purification.
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