Abstract A series of eleven 1-methyl, 5-phenyl substituted thiosemicarbazones (MT1–MT11) with the phenyl ring substitutions were prepared and investigated for their inhibitory activities against monoamine oxidases (MAOs) and acetylcholinesterase (AChE).… Click to show full abstract
Abstract A series of eleven 1-methyl, 5-phenyl substituted thiosemicarbazones (MT1–MT11) with the phenyl ring substitutions were prepared and investigated for their inhibitory activities against monoamine oxidases (MAOs) and acetylcholinesterase (AChE). [4-(dimethylamino) phenyl]methylidene}-N-methylhydrazine-1-carbothioamide (MT5) inhibited MAO-B potently with an IC50 of 8.77 µM. Potencies for MAO-B increased in the order N(CH3)2 in MT5 > OCH3 in MT3 > Br in MT9. Most of the 11 compounds weakly inhibited AChE by
               
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