| abstract |
The present invention relates to a novel N-phenyl--(2R,5S)dimethylpiperazine derivatives useful as antiandrogenic agent which exhibits a sufficient prostate gland reducing effect as compared with conventional compounds and are excellent in oral activity. The compound of the present application is useful in preventing or treating prostate cancer, benign prostatic hyperplasia, and the like. The present invention also provides a novel intermediate useful in producing the compound of the present invention. |