The regiospecific addition of 2-potassio-2-nitropropane to the 4-arylidene-oxazol-5-ones followed by oxygenation led to 2-arylbutenoic acid imides, the key intermediate for several pharmacodynamic compounds in high yields.
2-
钾基-
2-硝基丙烷的区域选择性加成反应与4-芳基
吡唑-5-酮进行氧化反应,产生了2-芳基
丁烯酸酰胺,这是一种多种药效化合物的关键中间体,得到了高产率。