[NH:1]1[CH2:6][CH2:5][C:4](=[O:7])[CH2:3][CH2:2]1.Cl[CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][O:15][CH3:16]>>[CH3:16][O:15][CH2:14][CH2:13][CH2:12][CH2:11][CH2:10][CH2:9][N:1]1[CH2:6][CH2:5][C:4](=[O:7])[CH2:3][CH2:2]11-(6-Methoxyhexyl)-4-piperidone is prepared from 4-piperidone and 1-chloro-6-methoxyhexane essentially as described above in Example 38, Scheme C, step a.
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