The present invention relates to an asymmetric process for providing N-2-[(1S)-1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl]-1,3-dioxo-2,3-dihydro-1H-isoindol-4-yl}acetamide (apremilast) or a pharmaceutically acceptable salt or solvate thereof.
本发明涉及一种提供N-2-[(1S)-1-(3-乙氧基-4-
甲氧基苯基)-2-(甲磺酰基)乙基]-1,3-二氧代-2,3-二氢-
1H-异吲哚-4-基}乙酰胺(阿普瑞司特)或其药学上可接受的盐或溶液的不对称工艺。