4- 3- Ethyl- 3- (propylsulfonyl) propyl amino -2-hydroxypropoxy benzonitrile stereoisomers yield and application

摘要

4-[3-[ethyl[3-((R*)-(propylsulfinyl)propyl]amino]-2(R)-hydroxypropoxy] -benzo n itrile, 4-[3-[ethyl[3-((S*)-(propylsulfinyl)propyl]amino]-2(R)-hydroxypropoxy] -benz on itrile, 4-[3-[ethyl[3-((R*)-(propylsulfinyl)propyl]amino]-2(S)-hydroxypropoxy] -benz on itrile, 4-[3-[ethyl[3-[((S*)-(propylsulfinyl)propyl]amino]-2(S)-hydroxypropoxy ]-ben zo nitrile and pharmaceutically acceptable salt thereof, processes for their preparation, as well as the use of said compounds for the preparation of medicaments with action against cardiac arrhythmias.