bisaziridine noun1 •Any organic compound containing two aziridine ringsAldrichimica Acta Volume 30 No 4 (pdf) from Sigma-Aldrich We have shown that the norbornene π-bonds in 77 reacted with azides to produce a diastereomeric pair of 2:1 adducts 79 that were converted photochemically to a single bisaziridine 80. formsbisaziridines