Abstract
A series of 5-benylidene-1,2-dihydrochromeno[3,4-f]quinolines (4) were synthesized and tested in bioassays to evaluate their progestational activities, receptor- and tissue-selectivity profiles as selective progesterone receptor modulators (SPRMs). Most of the new analogues exhibited as highly potent progestins with more than 100-fold receptor selectivity over other steroid hormone receptors and LG120920 (7b) demonstrated tissue selectivity toward uterus and vagina versus breasts in a rodent model after oral administration.
MeSH terms
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Androgen Receptor Antagonists
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Animals
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Benzylidene Compounds / chemistry*
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Benzylidene Compounds / metabolism
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Benzylidene Compounds / pharmacology*
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Binding, Competitive
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Breast Neoplasms / metabolism
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Cell Division / drug effects
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Cells, Cultured
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Chlorocebus aethiops
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Epithelial Cells / cytology
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Epithelial Cells / drug effects
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Estrone / antagonists & inhibitors
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Estrone / pharmacology
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Female
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Humans
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Mammary Glands, Animal / cytology
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Mammary Glands, Animal / drug effects
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Medroxyprogesterone Acetate / metabolism
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Medroxyprogesterone Acetate / pharmacology
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Progesterone / metabolism
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Progesterone / pharmacology
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Progesterone Congeners / chemistry
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Progesterone Congeners / metabolism
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Progesterone Congeners / pharmacology
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Quinolines / chemical synthesis
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Quinolines / chemistry*
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Quinolines / pharmacology*
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Rats
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Receptors, Androgen / metabolism
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Receptors, Glucocorticoid / antagonists & inhibitors
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Receptors, Glucocorticoid / metabolism
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Receptors, Progesterone / antagonists & inhibitors*
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Receptors, Progesterone / metabolism
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Structure-Activity Relationship
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Uterus / cytology
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Uterus / drug effects
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Vagina / cytology
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Vagina / drug effects
Substances
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Androgen Receptor Antagonists
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Benzylidene Compounds
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Progesterone Congeners
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Quinolines
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Receptors, Androgen
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Receptors, Glucocorticoid
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Receptors, Progesterone
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Estrone
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Progesterone
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Medroxyprogesterone Acetate