[CH3:1][C:2]1[CH:3]=[C:4]([CH2:8][CH2:9][NH2:10])[S:5][C:6]=1[CH3:7].[C:11](OC(=O)C)(=[O:13])[CH3:12]>>[CH3:1][C:2]1[CH:3]=[C:4]([CH2:8][CH2:9][NH:10][C:11](=[O:13])[CH3:12])[S:5][C:6]=1[CH3:7]In close analogy to the procedure described above, 2-(4,5-Dimethyl-thiophen-2-yl)-ethylamine is reacted with acetic anhydride to provide the title compound.
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