Substituted phenanthrenes with basic amino side chains: A new series of anti-breast cancer agents

In the course of our search for new anti-breast cancer agents, substituted phenanthrenes with basic amino side chains were synthesized and some of them showed remarkable antiproliferative activity against ER +ve MCF-7 cell line with IC50 in the range of 3.53–22.25 μM. One of the compounds 15ca showed anti-breast cancer activity in 7,12-dimethylbenz[a]anthracene (DMBA) induced hormone-dependent mammary tumor in rat and the activity was comparable to that shown by tamoxifen.

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