Abstract
We synthesized new analogues of the anti-AML agent VS-II-173. We studied the effect of the substitution at the 1- and 5-positions of the pyrazolo[4,3-a]phenanthridine scaffold on Pim-1 kinase inhibition and cytotoxicity against AML MOLM-13 cells. We found that compounds 20 and 21, substituted at the 1-position exhibited stronger Pim-1 inhibition together with a high potency toward MOLM-13 cells, associated with apoptosis induction and selectivity over non-cancerous NRK cells.
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