Synthesis and characterization of thiophene-derived palladium(<scp>ii</scp>) complex immobilized on FSM-16 and its application in the novel synthesis of 7-(aryl)-7,12-dihydro-6<i>H</i>-indeno[1,2,4]triazolo[1,5-<i>a</i>]pyrimidine-6-one derivatives
RSC advances