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. ... The title indole, the heterocyclic core of the 5-HT 2C receptor agonist Ro 60-0175, was prepared by a modification to the Stille indole synthesis, or by the method of Gonzalez and co-workers. ... The title indole was prepared by either stoichiometric copper- or catalytic palladium-mediated ...