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. ... A convenient synthesis of vicinal diazides from olefins using C 6 H 5 IO/HOAc/NaN 3 is described. A mechanism is proposed which accounts for the stereochemical outcome. ... A convenient synthesis of vicinal diazides from olefins using C 6 H 5 IO/HOAc/NaN 3 is described.