(E)-4-(Naphthalen-2-yl)but-3-en-2-one
(E)-4-(Naphthalen-2-yl)but-3-en-2-one (Compound 7) is a small active molecule that can be used as building block. (E)-4-(Naphthalen-2-yl)but-3-en-2-one exhibits anti-leukemic activity, that inhibits the proliferation of human chronic myeloid leukemia cell K562 with an IC50 of 7.6 μM.