Abstract
AbstractThe synthesis of several new heterocyclic structural analogs of the natural antimitotic agent allocolchicine is reported. As a key step an intramolecular Pd‐catalyzed C–H arylation reaction was used to close the seven‐membered ring fused with two electron‐rich aryl fragments. The stereostructure of the target compounds was determined by X‐ray crystal analysis. The primary biological assessment of the synthesized compounds was carried out on human lymphoma cells. Several allocolchicinoids were determined to possess antiproliferative and apoptosis‐inducing activity in the micromolar concentration range.
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