简介:CatalyzedbyAgNO3,Mgwasfoundforthefirsttimetobeabletomediatethecouplingreactionbetweenaromaticaldehydesandbenzylbromideorchlorideinwater.TheyieldswereslightlyhigherthantherecentresultsforMg-mediatedallylationdespitethefactthataqueousbenzylationisintrinsicallymuchharderthanallylation.Itwasalsofoundthatthecouplingreactionwaschemoselectiveforaromaticaldehydesoveraliphaticaldehydes,andchemoselectiveforaromaticaldehydesoveraromaticketones.