Cl.[Cl:2][C:3]1[CH:4]=[C:5]([CH2:10][CH2:11][CH2:12][NH2:13])[CH:6]=[CH:7][C:8]=1[Cl:9].[Cl:14]C1C=C(Cl)C=CC=1CCC(O)=O>>[ClH:2].[Cl:14][C:6]1[CH:7]=[C:8]([Cl:9])[CH:3]=[CH:4][C:5]=1[CH2:10][CH2:11][CH2:12][NH2:13]Intermediate 2 was prepared according to the procedures described in Intermediate 1 using 3-(2,4-dichlorophenyl)propanoic acid as the starting material. LC-MS (ESI) m/z 204.0 (M+H)+, RT=1.56 min (Method B).
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