manganese(IV) dioxide in hexane; dichloromethane; ethyl acetate

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1812100', constants.ctx, '0')">trifluorormethanesulfonic acid</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730733', constants.ctx, '0')">hexane</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '506104', constants.ctx, '0')">ethyl acetate</a> <br /> <br /> <br /> &nbsp;