发明授权
US5200422A Benzimidazole derivatives, their preparation and use 失效
苯并咪唑衍生物,其制备和用途

Benzimidazole derivatives, their preparation and use
摘要:
A compound having the formula ##STR1## wherein R.sup.1 is hydrogen, NH.sub.2 or C.sub.1-6 -alkyl which may be branched;X is O, S, NCN;Y is O, S;R.sup.4, R.sup.5, R.sup.6 and R.sup.7 independently of each other are hydrogen, halogen, CF.sub.3, NO.sub.2, NH.sub.2, OH, C.sub.1-6 -alkoxy, C(.dbd.O)-phenyl or SO.sub.2 NR.sup.I R.sup.II wherein R.sup.I and R.sup.II independently are hydrogen or C.sub.1-6 -alkyl;R.sup.11 is hydrogen, halogen, NO.sub.2 or SO.sub.2 NR'R" wherein R' and R" independently are hydrogen or C.sub.1-6 -alkyl;R.sup.13 is hydrogen, halogen, phenyl, CF.sub.3, NO.sub.2 ;R.sup.12 is hydrogen or together with R.sup.13 forms a C.sub.4-7 -carbocyclic ring which may be aromatic or partially saturated;R.sup.14 is hydrogen or together with R.sup.13 forms a C.sub.4-7 -carbocyclic ring which may be aromatic or partially saturated;pharmaceutical compositions thereof,and a method of treating a disease in a mammal, including a human, responsive to opening of potassium channels, which comprises administering to a mammal in need thereof an effective amount of a compound as first above indicated, are disclosed.
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