Download full text in 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. ... Using carbon radicals generated by photolysis of N-hydroxy-2-thio-pyridone esters (mixed anhydrides) the chiral centre of L-aspartic acid has been easily incorporated into the perhydroindole structure of the title compounds. ... The atomic coordinates for this work are available ...