Flynn, Bernard; Flynn, Guy; Hamel, Ernest; Jung, M Katherine
A number of analogues of combretastatin A-4 (1), containing a thiophene ring interposed between the two phenyl groups, have been prepared. The synthesis of these compounds employed a combination of palladium-mediated coupling and iodocyclization techniques. The thiophene compounds 11, 14, 18, and 19 also represent non-benzofused analogues of some recently described tubulin binding benzo[b]thiophenes 3-5. The most active thiophene compounds identified in this study were 11, 14, and 18. Overall...[Show more]
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