In this paper, two new compounds, ent-16α-hydroxy-15β-hydroxymethylbeyeran-19-oic acid 4 and its ethyl ester 5 were sy......

研究了１５种杂多化合物对苯酚羟化反应的催化活性，其中具有Ｋｅｇｇｉｎ结构的稀土四元杂多化合物催化效果最好，苯酚的转化率达４１．６６％，对苯二酚产率达４０．２４％。......