The present invention is directed to novel spiro-benzo[C]chromene
derivatives, pharmaceutical compositions containing them and their use in
the treatment of disorders mediated by one or more estrogen receptors.
The compounds of the invention are useful in the treatment of disorders
associated with the depletion of estrogen such as hot flashes, vaginal
dryness, osteopenia and osteoporosis; hormone sensitive cancers and
hyperplasia of the breast, endometrium, cervix and prostate;
endometriosis, uterine fibroids, osteoarthritis and as contraceptive
agents, alone or in combination with a progestogen or progestogen
antagonist.