The two-step Sonogashira coupling reaction took place rapidly under microwave activation conditions. PEG bound substrates acted as PTC and polymer support as w
A microwave-assisted preparation of a series of Schiff-base via efficient condensation of salicylaldehyde and aryl amines without solvent is described in high y
The Se-Se bond in diaryl diselenides was reduced by Zn/ZrCl4 system to produce selenide anions, which react with acyl chlorides or acid anhydrides to afford sel