Almokalant (p-INN), 4-[3-]ethyl[3-(propylsulfinyl)propyl]amino[-2-hydroxypropoxy]-benzonitrile , having the formula ##STR1## is a member of a group of compounds useful in the treatment of cardiac arrhythmias. Enhanced stability, palatability, and technical properties of almokalant can be achieved when it is complexed as a salt with polystyrenesulfonic acid. Accordingly, the invention encompasses the almokalant salt and processes for the preparation of said salt. The invention further encompasses solid oral pharmaceutical dosage forms containing the almokalant-polystyrenesulfonate complex as well as methods for their manufacture as medicaments with action against cadiac arrhythmias.
Almokalant (p-INN),4-[3-]乙基[3-(丙基亚磺酰基)丙基]
氨基[-2-羟基丙氧基]-
苯甲腈,
化学式为##STR1##,是一类用于治疗心律失常的化合物。当它与聚
苯乙烯磺酸盐形成盐复合物时,可以提高Almokalant的稳定性,口感和技术性能。因此,该发明涵盖了Almokalant盐及其制备过程。该发明还涵盖了含有Almokalant-聚
苯乙烯磺酸盐复合物的固体口服制剂,以及制造这些制剂作为治疗心律失常的药物的方法。