Novel 2, 3 - benzodiazepine derivatives and pharmaceutical compositions containing the same as the active ingredient

摘要

The invention refers to novel 2,3-benzodiazepine derivatives of formula (I) and pharmaceutical compositions containing the same as the active ingredient. The novel compounds antipasmodic, muscle relaxant and neuroprotective activities. In formula I; X represents a hydrogen atom, a chloro atom or a methoxy group; Y stands for a hydrogen atom or a halo atom; Z means a methyl group or a chloro atom; R is a C1-4 alkyl group or a group of the formula -NR<1>R2, wherein R<1 >and R<2 >represent, independently, a hydrogen atom, a C1-4 alkyl group, a C1-4 alkoxy group or a C<3-6 >cycloalkyl group.