[NH:1]1[CH2:6][CH2:5][C:4](=[O:7])[CH2:3][CH2:2]1.Cl[CH2:9][CH:10]1[CH2:12][CH2:11]1>>[CH:10]1([CH2:9][N:1]2[CH2:6][CH2:5][C:4](=[O:7])[CH2:3][CH2:2]2)[CH2:12][CH2:11]11-(Cyclopropylmethyl)-4-piperidone is prepared from 4-piperidone and (chloromethyl)cyclopropane essentially as described above in Example 38, Scheme C, step a.
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