AZA-BICYCLOHEXYL SUBSTITUTED INDOLYL ALKYL AMINO DERIVATIVES AS NOVEL INHIBITORS OF HISTONE DEACETYLASE

摘要

This invention comprises the novel compounds of formula (I) wherein R1, R2, R3, R4, A and X have defined meanings, having histone deacetylase inhibiting enzymatic activity; their preparation, compositions containing them and their use as a medicine.