Aromatic β-amino-ketone derivatives as novel selective non-steroidal progesterone receptor antagonists

A novel class of non-steroidal progesterone receptor antagonists with aromatic beta-amino-ketone scaffold have been synthesized and characterized with high binding affinity and great selectivity for the cognate receptors. Among them, compound 22 was shown to be the most potent progesterone receptor antagonist in cotransfection assay and a murine model of ligand-induced decidualization.