2-(3',4',5'-Trimethoxybenzoyl)-3-amino-5-aryl/heteroaryl thiophene derivatives were synthesized and evaluated for antiproliferative activity, inhibition of tubulin polymerization, and cell cycle effects. SARs were elucidated with various substitutions on the aryl moiety 5-position of the thienyl ring. Substituents at the para-position of the 5-phenyl group showed antiproliferative activity in the order of F=CH(3) > OCH(3)=Br=NO(2) > CF(3)=I > OEt. Several of these compounds led to arrest of HL-60 cells in the G2/M phase of the cell cycle and induction of apoptosis.

2-(3',4',5'-trimethoxybenzoyl)-3-amino-5-aryl thiophenes show potential as a new class of tubulin inhibitors, with various substitutions at the 5-phenyl group affecting antiproliferative activity and cell

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Synthesis and biological evaluation of 2-(3',4',5'-trimethoxybenzoyl)-3-amino 5-aryl thiophenes as a new class of tubulin inhibitors.

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