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Klaus Nickisch Walter Elger James Cessac Narkunan Kesavaram Baishakhi Das Robert Garfield Shao-Qing Shi Olga Amelkina Reinhard Meister 《Steroids》2013,78(2):255-267
A series of antiprogestins have been synthesized by partially fluorinating the steroid molecule in positions relevant for receptor binding. By introducing fluorine at the exo-methylene of the 17 spirofuran ring, we obtained partial agonists (mesoprogestins) with significant applications for antiproliferative and antiovulatory treatment strategies in gynecological therapy such as uterine fibroids, endometriosis and heavy menstrual bleeding. Compared to the standard drug RU486, our synthesized compounds exhibited considerable dissociation between antiprogestational and antiglucocorticoid PR receptors. Furthermore, our studies have shown that pure antiprogestins can be generated by partially fluorinating the 17 propenyl and propynl group or by substituting the 4′ acetyl phenyl group in the 11 position using trifluromethyl group. 相似文献
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