申请人:Takeda Chemical Industries, Ltd.
公开号:US05639478A1
公开(公告)日:1997-06-17
The pharmaceutical composition of the invention, which comprises a benzimidazole compound of the formula ##STR1## wherein R.sup.1 is hydrogen, alkyl, halogen, cyano, carboxy, carboalkoxy, carboalkoxyalkyl, carbamoyl, carbamoylalkyl, hydroxy, alkoxy, hydroxyalkyl, trifluoromethyl, acyl, carbamoyloxy, nitro, acyloxy, aryl, aryloxy, alkylthio or alkylsulfinyl, R.sup.2 is hydrogen, alkyl, acyl, carboalkoxy, carbamoyl, alkylcarbamoyl, dialkylcarbamoyl, alkylcarbonylmethyl, alkoxycarbonylmethyl or alkylsulfonyl, R.sup.3 and R.sup.5 are the same or different and each is hydrogen, alkyl, alkoxy or alkoxyalkoxy, R.sup.4 is hydrogen, alkyl, alkoxy which may optionally be fluorinated, or alkoxyalkoxy, and m is an integer of 0 through 4, and a basic inorganic salt stabilizing agent, is physically stable. Magnesium and calcium basic inorganic salt stabilizing agents are particularly useful.
本发明的药物组合物包括一种
苯并咪唑化合物,其
化学式为##
STR1##其中R.sup.1是
氢、烷基、卤素、
氰基、羧基、羧基烷
氧基、羧基烷
氧基烷基、
氨基甲酰基、
氨基甲酰基烷基、羟基、烷
氧基、羟基烷基、三
氟甲基、酰基、
氨基甲酰
氧基、硝基、酰
氧基、芳基、芳
氧基、烷
硫基或烷基磺酰基,R.sup.2是
氢、烷基、酰基、羧基烷
氧基、
氨基甲酰基、烷基
氨基甲酰基、二烷基
氨基甲酰基、烷基甲酰基
甲基、烷
氧基甲酰基
甲基或烷基磺酰基,R.sup.3和R.sup.5相同或不同,分别是
氢、烷基、烷
氧基或烷
氧基烷基,R.sup.4是
氢、烷基、烷
氧基(可选择
氟化)或烷
氧基烷基,m是0到4的整数,以及一种
基础无机盐稳定剂,具有物理稳定性。
镁和
钙基础无机盐稳定剂特别有用。