Bis(syn-collidine)iodine (I) hexafluorophosphate-mediated cyclization of un
saturated hydroperoxides afforded the corresponding 11- to 16-membered macr
ocyclic peroxides having three peroxide units located within one ring. The
crystal structures of three novel macrocyclic triperoxides. were unambiguou
sly determined by X-ray analysis. (C) 2001 Elsevier Science Ltd. All rights
reserved.