<font face="Verdana">H<sub>2</sub>SO<sub>4</sub>-SiO<sub>2</sub>催化7-羟基-4-甲基香豆素的无溶剂合成</font>

Solventless synthesis of 7-hydroxy-4-methyl coumarin catalysed by H₂SO₄-SiO₂

QIN Shengjun；XIN Xiulan；XU Baocai

工业催化 . 2008, (1): 54 .