Hydroxylamine-O-sulfonic Acid (HOSA): As a Task Specific Catalyst for the Synthesis of ۱,۸-Dioxo-octahydroxanthenes under Mild, Green and Solvent-free Condition

A highly efficient procedure for the synthesis of ۱,۸-dioxo-octahydroxanthenes under mild, green and solvent-free condition by using HOSA as a dual role catalyst is described. This is the first report of catalytic activity of HOSA.

کلیدواژه ها:

Hydroxylamine-O-sulfonic acid ، Solvent-free ، Multi-component reaction ، ۱ ، ۸-Dioxo-octahydroxanthenes