Azides are useful intermediates for the synthesis of organic and bioorganic compounds. 1–6 Azidonucleosides have attracted tremendous interest for the treatment of AIDS. 7 In addition, due to their relatively high stability, aromatic azides have found biological8, 9 and industrial use as photoaffinity labels, 10, 11 as cross-linkers in photoresistors, 12 for conducting polymer films, 13 and for light-induced activation of polymer surfaces. 14 Aromatic azides ...