申请人:NATIONAL SCIENCE COUNCIL
公开号:EP0594877A1
公开(公告)日:1994-05-04
Compounds of formula
wherein:
X is O or S;
R₁ is hydrogen, alkyl, phenyl or phenyl(alkyl);
R₂ is hydrogen, alkyl, phenyl or phenyl(alkyl); or R₁ and
R₂ together represent alkylene or
wherein R₅ represents (a) 2-(2-hydroxyethoxy)ethyl; (b) pyrimidinyl; (c) a 2-, 3- or 4-pyridinyl optionally substituted by alkyl; and (d) benzoyl, benzyl,
phenyl and diphenylmethyl optionally substituted
by halogen, methoxy, trifluoromethyl, alkyl, nitro, acetyl, and cyano; and
(i) R₆ and R₇ together represent alkylene or (ii)
or (iii) when R₆ represents hydrogen atom or hydroxy, R₇ represents (a) pyrimidinyl; (b) a 2-, 3- or 4-pyridinyl optionally substituted by alkyl; and (c) benzoyl, benzyl, phenyl and diphenylmethyl optionally substituted halogen, methoxy, trifluoromethyl, alkyl, nitro, acetyl, and cyano;
R₃ is halogen, hydrogen, alkyl, trifluoromethyl, or alkoxy;
R₄ is halogen, hydrogen, alkyl, trifluoromethyl, or alkoxy; and
R₈ is hydrogen, alkyl or phenyl(alkyl).
These compounds are found useful as an active ingredient for the treatment of hypertension and dysuria.
化合物的公式为:其中X为O或S;R₁为氢,烷基,苯基或苯基(烷基);R₂为氢,烷基,苯基或苯基(烷基);或R₁和R₂一起代表烷基,或其中R₅代表(a) 2-(2-羟乙氧基)乙基;(b) 嘧啶基;(c) 2-, 3-或4-吡啶基,可选地被烷基取代;和(d) 苯甲酰基,苯甲基,苯基和二苯甲基,可选地被卤素,甲氧基,三氟甲基,烷基,硝基,乙酰基和氰基取代;和(i) R₆和R₇一起代表烷基或(ii)或(iii)当R₆代表氢原子或羟基时,R₇代表(a)嘧啶基;(b) 2-, 3-或4-吡啶基,可选地被烷基取代;和(c)苯甲酰基,苯甲基,苯基和二苯甲基,可选地被卤素,甲氧基,三氟甲基,烷基,硝基,乙酰基和氰基取代;R₃为卤素,氢,烷基,三氟甲基或烷氧基;R₄为卤素,氢,烷基,三氟甲基或烷氧基;和R₈为氢,烷基或苯基(烷基)。这些化合物被发现作为治疗高血压和尿路不畅的活性成分非常有用。