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 C
1-4
alkyl group or a group of the formula —NR
1
R
2
, wherein R
1
and R
2
represent, independently, a hydrogen atom, a C
1-4
alkyl group, a C
1-4
alkoxy group or a C
3-6
cycloalkyl group.
1
该发明涉及新型2,3-苯二氮平衍
生物(I)及含有其作为活性成分的药物组合物。新型化合物具有抗痉挛、肌肉松弛和神经保护活性。在公式I中,X代表氢原子、
氯原子或甲氧基;Y代表氢原子或卤原子;Z代表甲基或
氯原子;R是C1-4烷基或者是公式-NR1R2的基团,其中R1和R2独立地代表氢原子、C1-4烷基、C1-4烷氧基或C3-6环烷基。