[CH3:1][C:2]1([CH3:13])[CH2:11][C:10]2[NH:9][CH2:8][CH2:7][CH2:6][C:5]=2[C:4](=[O:12])[CH2:3]1.Br[CH2:15][CH2:16][CH:17]([CH3:19])[CH3:18]>>[CH3:1][C:2]1([CH3:13])[CH2:11][C:10]2[N:9]([CH2:15][CH2:16][CH:17]([CH3:19])[CH3:18])[CH2:8][CH2:7][CH2:6][C:5]=2[C:4](=[O:12])[CH2:3]17,7-Dimethyl-1,2,3,4,7,8-hexahydro-quinolin-5(6H)-one was reacted with 1-bromo-3-methylbutane according to the procedures of Part b) of Example 1 to give 7,7-dimethyl-1,2,3,4,7,8-hexahydro-1-(3-methylbutyl)-quinolin-5(6H)-one (18) as a pale yellow oil.
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