Synthesis of coumarin-3-carboxylic acid through sodium ethoxide catalyzed synthesis of coumarin -3-carboxylic acid ethyl ester, followed by saponification, acidolysis cyclization was studied.
2
以三乙醇胺、水杨醛、胺等为原料,设计合成了六个新型三脚架结构西佛碱化合物。
Six kinds of new schiff base tripodals were prepared by using the triethanolamine, salicylaldehyde, and amines as materials. The synthesis of these compounds (3a-f) are shown as follows.
3
同时还将所制备的催化剂应用于希夫碱水杨醛缩邻氨基酚的合成中。
Meanwhile, N-TiO2 nanoparticles were also used to synthesize Schiff base Salicylaldehyde o-aminophenol.