Covalently anchored sulfonic acid on silica gel (SiO<sub>2</sub>-R-SO<sub>3</sub>H) as an efficient and reusable heterogeneous catalyst for the one-pot synthesis of 1,8-dioxo-octahydroxanthenes under solvent-free conditions

Covalently anchored sulfonic acid on silica gel (SiO₂-R-SO₃H) as an efficient and reusable heterogeneous catalyst for the one-pot synthesis of 1,8-dioxo-octahydroxanthenes under solvent-free conditions

Gholam Hossein Mahdavinia, Mohammad A. Bigdeli, Yaser Saeidi Hayeniaz

Covalently anchored sulfonic acid on silica gel (SiO₂-R-SO₃H) as an efficient and reusable heterogeneous catalyst for the one-pot synthesis of 1,8-dioxo-octahydroxanthenes under solvent-free conditions

Gholam Hossein Mahdavinia, Mohammad A. Bigdeli, Yaser Saeidi Hayeniaz

中国化学快报 . 2009, (05): 539 -541 . DOI: 10.1016/j.cclet.2008.12.026