[N+:1]([C:4]1[CH:5]=[C:6]([C:14](Cl)=[O:15])[C:7]2[CH2:8][CH2:9][CH2:10][CH2:11][C:12]=2[CH:13]=1)([O-:3])=[O:2].[Cl:17][C:18]1[CH:19]=[C:20]([C@H:25]([CH2:29][CH2:30][N:31]2[CH2:36][CH2:35][CH:34]([C:37]3[CH:42]=[CH:41][CH:40]=[CH:39][C:38]=3[S@:43]([CH3:45])=[O:44])[CH2:33][CH2:32]2)[CH2:26][NH:27][CH3:28])[CH:21]=[CH:22][C:23]=1[Cl:24].C(N(CC)CC)C>CCOC(C)=O>[Cl:17][C:18]1[CH:19]=[C:20]([C@H:25]([CH2:29][CH2:30][N:31]2[CH2:32][CH2:33][CH:34]([C:37]3[CH:42]=[CH:41][CH:40]=[CH:39][C:38]=3[S@:43]([CH3:45])=[O:44])[CH2:35][CH2:36]2)[CH2:26][N:27]([CH3:28])[C:14]([C:6]2[C:7]3[CH2:8][CH2:9][CH2:10][CH2:11][C:12]=3[CH:13]=[C:4]([N+:1]([O-:3])=[O:2])[CH:5]=2)=[O:15])[CH:21]=[CH:22][C:23]=1[Cl:24]3-Nitro-5,6,7,8-tetrahydro-1-naphthalenecarbonyl chloride [from 3-nitro-5,6,7,8-tetrahydro-1-naphthalenecarboxylic acid (0.150 g , 6.78 mmol) and PCl5 (0.190 g, 8.48 mmol) in EtOAc (1.5 mL) as described in T. Nakayama, T. Okutome, R. Matsui, M. Kurumi, Y. Sakurai, T. Aoyama, S. Fujii, Chem. Pharm. Bull. 32(10) 3968 (1984)] was dissolved in EtOAc (2 mL) and added to a stirred solution of N-[(S)-2-(3,4-dichlorophenyl)-4-[4-[(S)-2-methylsulfinylphenyl]-1-piperidinyl]butyl]-N-methylamine (0.3075 g, 0.678 mmol), triethylamine (0.124 mL, 0.892 mmol) and EtOAc (3.1 mL) and the mixture stirred overnight at ambient temperature. The reaction mixture was washed with 10% aqueous HCl, 5% aqueous NaOH and brine solutions, dried (MgSO4) and the solvent removed in vacuo to yield the title compound (0.168 g, 38%) which was converted to the citrate salt MS: m/z 656 (M+H). Analysis for C34H39Cl2N3O4S.C6H8O7.2.0H2O: calculated: C, 54.30; H, 5.81; N, 4.75; found: C, 54.10; H, 5.55; N, 4.55.
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