Abstract
In this study, a series of new 4,4'-diaminotriphenylmethanes was efficiently synthesized from aromatic aldehydes and 2,5-dimethoxybenzenamine under microwave irradiation in the presence of Sc(OTf)3 as a catalyst. Antiproliferative activity was assessed by using the MCF-7 estrogen receptor (ER)-positive breast cancer cell line, and antagonist/agonist transcriptional activities were determined. Docking studies and competition studies of triphenylmethanes and radiolabeled estradiol determined that these compounds do not bind the ER, indicating that triphenylmethane-induced changes in proliferative and transcriptional activities differ from conventional mechanisms of action triggered by other selective ER modulators.
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