A novel heterocyclic compound or a salt thereof useful for selectively inhibiting the degradation of p27kip1 is provided. The compound or the salt thereof is represented by the following formula (1):
wherein A represents an alkyl group, a cycloalkyl group, an aryl group or a heterocyclic group, the group A may have a substituent; the ring B represents a 5- to 8-membered monocyclic heterocyclic ring or a condensed ring containing the monocyclic heterocyclic ring, the ring B may have a substituent; the ring C represents an aromatic ring, the ring C may have a substituent; L represents a linker comprising a main chain having 3 to 5 atoms selected from the group consisting of a carbon atom, a nitrogen atom, an oxygen atom and a sulfur atom, wherein at least one atom in the main chain is a hetero atom selected from the group consisting of a nitrogen atom, an oxygen atom and a sulfur atom, the linker L may have a substituent; and n is 0 or 1.
本研究提供了一种新型
杂环化合物或其盐,可用于选择性抑制 p27kip1 的降解。该化合物或其盐由下式(1)表示:
其中 A 代表烷基、
环烷基、芳基或杂环基,该基团 A 可具有取代基;环 B 代表 5 至 8 元单环杂环或含有单环杂环的缩合环,该环 B 可具有取代基;环 C 代表芳香环,该环 C 可具有取代基;L 代表由主链组成的连接体,该主链具有 3 至 5 个原子,选自由
碳原子、
氮原子、
氧原子和
硫原子组成的组,其中主链中至少有一个原子是选自由
氮原子、
氧原子和
硫原子组成的组的杂原子,连接体 L 可具有取代基;以及 n 为 0 或 1。