申请人:Mitsubishi Chemical Corporation
公开号:EP0548680A1
公开(公告)日:1993-06-30
The β-oxo-β-benzenepropanethioamide derivative of the general formula I
(in the above formula (I), R¹ and R² independently represent hydrogen atom, an alkyl goup of C₁ to C₆ or a cycloalkyl group of C₃ to C₆, or R¹ and R², when taken together, represent an alkylene group of C₃ to C₆; R³ represents hydrogen atom, an alkyl group of C₁ to C₆ or a cycloalkyl group of C₃ to C₆; R⁴ represents an alkyl group of C₁ to C₆ or a cycloalkyl group of C₃ to C₆; or R³ and R⁴, when taken together, represent an alkylene group of C₂ to C₅; X¹, X² and X³ indepentdently represent hydrogen atom, a halogen atom, an alkyl group of C₁ to C₆, a cycloalkyl group of C₃ to C₆, an alkoxy group of C₁ to C₆, trifluoromethyl group, cyano group, nitro group, a dialkylamino group of C₂ to C₁₂, sulfamoyl group, a five-membered or six-membered heterocyclic group containing nitrogen atom as the hetero atom, has potassium channel opening action and is useful for treatment of hypertension, asthma, hypersensitive colon syndrome, and enteritis through pharmacological actions including blood vessel dilation, bronchial tract dilation, relaxation of gastrointestinal tract smooth muscle, and the like. The present invention also includes a pharmaceutical composition containing, as the active ingredient, the compound of the present invention and a method for producing the same.
通式 I 的 β-氧代-β-苯丙硫酰胺衍生物
(在上式(I)中,R¹和R²独立地代表氢原子、C₁至C₆的烷基或C₃至C₆的环烷基,或R¹和R²合在一起代表C₃至C₆的亚烷基;R³ 代表氢原子、C₁ 至 C₆ 的烷基或 C₃ 至 C₆ 的环烷基;R⁴ 代表 C₁ 至 C₆ 的烷基或 C₃ 至 C₆ 的环烷基;或 R³ 和 R⁴ 合在一起代表 C₂ 至 C₅ 的亚烷基;X¹、X² 和 X³ 分别代表氢原子、卤素原子、C₁ 至 C₆ 的烷基、C₃ 至 C₆ 的环烷基、C₁ 至 C₆ 的烷氧基、三氟甲基氰基、硝基、C₂至 C₁₂的二烷基氨基、氨基磺酰基、含有氮原子作为杂原子的五元或六元杂环基团、具有钾通道开放作用,通过扩张血管、扩张支气管道、松弛胃肠道平滑肌等药理作用,可用于治疗高血压、哮喘、过敏性结肠综合征和肠炎。本发明还包括一种含有本发明化合物作为活性成分的药物组合物以及生产该药物组合物的方法。