The present invention concerns steroidic 5α-reductase inhibitors having the following formula (I)
wherein Y is oxygen or sulphur;
R is a group:
a) -OR₄, wherein R₄ is hydrogen or a C₁-C₆ alkyl group;
b)
wherein each of R₅ and R₆, independently, is hydrogen or a C₁-C₆ alkyl group;
c)
wherein R₇ is hydrogen or a C₁-C₆ alkyl group and W is a group:
(i)
wherein R₈ is a C₁-C₆ alkyl group, a C₅-C₆ cycloalkyl group, a C₆-C₉ cycloalkylalkyl group, a phenyl group or a benzyl group; or
(ii)
wherein R₉ is a C₁-C₆ alkyl group or a C₅-C₆ cycloalkyl group; or
(iii)
wherein R₅ and R₆ are as defined above;
d)
wherein each of R₁₀ and R₁₁ is, independently, hydrogen or a C₁-C₆ alkyl group or taken together with the nitrogen atom to which they are linked form a pentatomic or hexatomic saturated heteromonocyclic ring, optionally containing at least one additional heteroatom selected from oxygen and nitrogen, and n is an integer of 2 to 4;
R₁ is hydrogen, a C₁-C₆ alkyl group, a C₅-C₆ cycloalkyl group, a C₆-C₉ cycloalkyalkyl group or an aryl group;
each of R₂ and R₃ is, independently, selected from the group consisting of hydrogen, C₁-C₆ alkyl, C₅-C₆ cycloalkyl, C₆-C₉ cycloalkylalkyl and aryl or R₂ and R₃, taken together with the nitrogen atom to which they are linked, form a pentatomic or hexatomic saturated heteromonocyclic ring, optionally containing at least one additional heteroatom selected from oxygen and nitrogen; and the symbol (----) represents a single or a double bond provided that when it is a double bond the hydrogen in the 5α position doesn't exist and the pharmaceutically acceptable salts thereof.
In view of their 5-α reductase inhibiting activity the compounds of the invention can be useful for the treatment of androgen dependent conditions.
本发明涉及具有下式(I)的类
固醇 5α 还原酶
抑制剂
其中 Y 是
氧或
硫;
R 是一个基团:
a) -OR₄,其中 R₄ 是
氢或 C₁-C₆ 烷基;
b)
其中 R₅ 和 R₆ 各自独立地为
氢或 C₁-C₆ 烷基;
c)
其中 R₇ 是
氢或 C₁-C₆ 烷基,W 是一个基团:
(i)
其中 R₈ 是 C₁-C₆ 烷基、C₅-C₆
环烷基、C₆-C₉
环烷基、
苯基或
苄基;或
(ii)
其中 R𠢙 是 C₁-C₆ 烷基或 C₅-C₆
环烷基;或
(iii)
其中 R₅ 和 R₆ 如上文所定义;
d)
其中 R₁₀和 R₁₁ 各自独立为
氢或 C₁-C₆ 烷基,或与它们相连的
氮原子一起形成五原子或六原子饱和杂环,可选地含有至少一个选自
氧和
氮的额外杂原子,且 n 为 2 至 4 的整数;
R₁ 是
氢、C₁-C₆ 烷基、C₅-C₆
环烷基、C₆-C₉
环烷基或芳基;
R₂ 和 R₃ 各自独立地选自
氢、C₁-C₆ 烷基、C₅-C₆
环烷基、C₆-C₉
环烷基和芳基或 R₂ 和 R₃ 所组成的组、与它们相连的
氮原子一起形成五原子或六原子饱和杂环,可选择含有至少一个选自
氧和
氮的额外杂原子;符号(----)代表单键或双键,条件是当它是双键时,5α 位的
氢不存在,以及它们的药学上可接受的盐。
鉴于其 5-α 还原酶抑制活性,本发明化合物可用于治疗雄激素依赖性疾病。