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 variety of N-protected indolylmethylbromides are carbonylated using 5 mol % Pd(PPh 3 ) 2 Cl 2 under Stille conditions in the presence of an alcohol to afford the corresponding methyl/ethyl esters. ... Indole and its myriad of derivatives are important fragments of a large number ...