| abstract |
The invention discloses 2-isatin derivatives, the preparation method and the application. The structure of the invention is shown as the formula (I), wherein, the definitions of R<1>, R<2>, R<3>, R<4>, R<5>, X, Ar and n are shown in the description of instruction. The compound is provided with the restraining activity against histone deacetylase so as to treat the diseases relevant to the abnormal condition of the histone deacetylase, including Rubinstein-Taybi II-syndrome, fragile x syndrome, leukemia, cancer, immunological diseases, cardiac hypertrophy, bone diseases, nervous system diseases and neurodegenerative diseases. |