论文部分内容阅读
介绍了铌酸的性质及其近年来作为酸催化剂在酯化、醇醛缩合和醇酮缩合反应中的应用 ,表明其在上述三类反应中均有应用推广价值。
The properties of niobic acid and its applications in recent years as acid catalysts in the esterification, aldol condensation and alcohol ketones condensation reactions are introduced. It is shown that these two kinds of niobates have application value in the above three kinds of reactions.