[NH2:1][CH2:2][CH2:3][C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=1[Cl:10].[CH:11]1([C:17](Cl)=[O:18])[CH2:16][CH2:15][CH2:14][CH2:13][CH2:12]1>>[CH:11]1([C:17]([NH:1][CH2:2][CH2:3][C:4]2[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=2[Cl:10])=[O:18])[CH2:16][CH2:15][CH2:14][CH2:13][CH2:12]11-Amino-2-(2-chlorophenyl)ethane and cyclohexanecarbonyl chloride was reacted in the same way as in step (a) of Example 13 to afford 1-cyclohexylcarbonylamino-2-(2-chlorophenyl)ethane having a melting point of 93.5° to 93.9° C.
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