摘要 |
1 min -Sulfonylsteroido[3,2-c]pyrazoles, for example, (5 alpha , 17 alpha )-1 min -(methylsulfonyl)-1 min H-pregn-20-yno[3,2-c]pyrazol-17-ol, which are useful as antiandrogenic agents, which are prepared by sulfonylating the corresponding steroido-[3,2-c]pyrazole, condensing the corresponding 2 alpha -dialkoxy-3-keto-steroids with a sulfonyl hydrazide, or condensing the corresponding 2-acetoxy-, propionoxy- or benzoyloxy-methylene-3-keto-steroid with a sulfonyl hydrazide. |