preparation method of 4-hydroxy-nitrostyrene_kain industrial additive
background and overview[1] 4-hydroxy-nitrostyrene is an important intermediate raw material for the synthesis of pharmaceutical products. the existing preparation methods of 4-hydroxy-β-nitrostyrene have low yields, complex synthesis processes, and unstable yields. it is necessary to invent a new preparation method to overcome the shortcomings of the existing technology in order to achieve energy saving. ,…

