| abstract |
Compounds of formula I, in which R1, R2, R3, R4, R5, R6 and R7 have the meanings indicated in the description, as well as salts thereof are novel effective HDAC inhibitors. In more detail, this invention refers to salts of a compound selected from (E)-(E)-N-hydroxy-3-(1-[4-(([2-(1H-indol-2yl)-ethyl]-methyl-amino)-methyl)-benzene sulfonyl]-1H-pyrrol-3-yl)-acrylamide, (E)-3-[1-(4-dimetylaminomethyl-benzenesulfonyl)-1H-pyrrol-3-yl]-N-hydroxy-acrylamide, and (E)-N-hydroxy-3-[1-(5-pyridin-2-yl-thiophene-2-sulfonyl)-1H-pyrrol-3-yl]-acrylamide with hydrochloric acid, their hydrates and to crystalline forms of these salts and hydrates. |