erbium trifluoromethanesulfonate in ethanol 50 h; Microwave irradiation;

<b>With</b>&nbsp; mesoporous silica MCM-41 supported erbium(III)<br />T=40&deg;C;&nbsp;2.5&nbsp;h;&nbsp;&nbsp;Neat (no solvent)ultrasound irradiationInert atmosphere;&nbsp;<br /> &nbsp;