N. Vivona et S. Buscemi, PHOTOINDUCED MOLECULAR-REARRANGEMENTS OF O-N BOND-CONTAINING 5-MEMBERED HETEROCYCLES - AN ASSAY FOR 1,2,4-OXADIAZOLES AND 1,2,5-OXADIAZOLES, Heterocycles, 41(9), 1995, pp. 2095-2116
The photochemical behavior of 1,2,4- and 1,2,5-oxadiazoles is reviewed
. Photoinduced molecular rearrangements of these five-membered rings a
re emphasized.