Abstract
A series of thieno[2,3- d]pyrimidines and furo[2,3- d]pyrimidines were synthesized and evaluated for the c-Met inhibition. Thieno[2,3- d]pyrimidine 6b stood out as the most potent showing an IC 50 of 35.7 nM. This compound displayed high inhibitory effect on cell proliferation in BaF3-TPR-Met cells and showed high selectivity for c-Met family against other 14 tested kinases. However, compound 6b was found ineffective in the c-Met-dependent U-87MG human gliobastoma xenograft model that may be relevant to its poor PK profile.
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