Concise syntheses of N-aryl-5,6,7-trimethoxyindoles as antimitotic and vascular disrupting agents: application of the copper-mediated Ullmann-type arylation
2011
In an attempt to mimic the 3,4,5-trimethoxyphenyl-Z-stilbene moiety of combretastatin A-4, a series of N-aryl-5,6,7-trimethoxyindoles were synthesized via copper-catalyzed Ullmann-type N-arylation through the corresponding 5,6,7-trimethoxyindole and aryl halides. These synthesized compounds demonstrated potent antiproliferative activity providing a novel skeleton for potent tubulin polymerization inhibitors.
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