The present invention relates to a processes for the preparation of 2-4-[(5,6-diphenyl pyrazin-2-yl)(isopropyl)amino]butoxy}-N-(methylsulfonyl)acetamide compound of formula-1 and novel polymorphs thereof.
本发明涉及一种制备 2-4-[(5,6-二苯基
吡嗪-2-基)(异丙基)
氨基]丁氧基}-N-(甲磺酰基)乙酰胺的式-1 化合物及其新型多晶型物的工艺。