Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... A concise and efficient total synthesis of achlisocoumarin I-II has been completed featuring a construction of the isocoumarin skeleton in a single step and the geranyl coupling with bromoarene ring at −10 °C exclusive of any chelating ligand. ... A concise and efficient first total synthesis of ...