An improved process for preparing verdiperstat is disclosed. The process includes the steps of reacting a compound having formula or a salt thereof, wherein R is the same or different and is each independently a C1-C5 alkyl with 3-(dimethylamino)acrylonitrile to obtain a compound having formula; and converting the compound having formula to verdiperstat.
公开了一种改进的制备维地帕斯塔的过程。该过程包括以下步骤:将具有以下式的化合物或其盐与3-(
二甲氨基)
丙烯腈反应,其中R相同或不同,分别是C1-C5烷基,以获得具有以下式的化合物;并将具有以下式的化合物转化为维地帕斯塔。