[NH2:1][CH2:2][CH2:3][C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=1[CH3:10].[CH3:11][O:12][C:13]1[CH:21]=[CH:20][C:16]([C:17](Cl)=[O:18])=[CH:15][CH:14]=1>>[CH3:11][O:12][C:13]1[CH:21]=[CH:20][C:16]([C:17]([NH:1][CH2:2][CH2:3][C:4]2[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=2[CH3:10])=[O:18])=[CH:15][CH:14]=11-Amino-2-(2-methylphenyl)ethane was reacted with 4-methoxybenzoyl chloride in the same way as in step (a) of Example 1 to afford 1-(4-methoxybenzoylamino)-2-(2-methylphenyl)ethane having a melting point of 81.8° to 82.1° C.
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