摘要:
A remedy for endometriosis comprising, as an active ingredient, 14a-hydroxy-4-androstene-3,6,17-trione or an ester derivative thereof, can effectively treat endometriosis by the strong aromatase-inhibitory activity without giving serious side effects.
摘要:
A process for the preparation, in high yield, of 14-α-hydroxy-4-androstene-3,6,17-trione which has an aromatase inhibition activity and is useful as an antitumor agent, in which a hydroxyl group at position 6-β of 6-β,14-α-dihydroxy-4-androstene-3,17-dione is selectively oxidized with the aid of light energy.
摘要:
A physiologically active compound having the following chemical structure is disclosed. This compound is prepared by culturing Chromobacterium violaceum, adding tryptophan and diethyldithiocarbamate (diethyldithiocarbamic acid) to the culture broth for reacting with the cells for producing it in the cells, and collecting the compound from the culture broth. This novel compound possesses antitumor and antimicrobial activity, and is effective as an antitumor agent or an antimicrobial agent.
摘要:
A remedy for endometriosis comprising, as an active ingredient, 14a-hydroxy-4-androstene-3,6,17-trione or an ester derivative thereof, can effectively treat endometriosis by the strong aromatase-inhibitory activity without giving serious side effects.
摘要:
7β-hydroxy-4-pregnene-3,20-dione derivatives are prepared by use of Acremonium sp. The group of these compounds has possibility of being utilized as an intermediate for the synthesis of progesterone derivatives having ovulation-inhibiting activity. These compounds themselves have also cell differentiaition activity for Ml cells.
摘要:
A prolyl endopeptidase inhibitor, antiamnesia agent, AIDS treating agent, or anti-HIV agent, comprising a compound represented by the following formula (I) or a pharmaceutically acceptable salt thereof.
摘要:
7β-hydroxy-4-pregnene-3,20-dione derivatives are prepared by use of Acremonium sp. The group of these compounds has possibility of being utilized as an intermediate for the synthesis of progesterone derivatives having ovulation-inhibiting activity. These compounds themselves have also cell differentiaition activity for Ml cells.