1,3-Phosphorotropic migration in the C3NC5 triad of 1,4-benzodiazepines accompanied by isomerization of Ph2POC3NC5 to Ph2P(O)C5NC3
Keywords: 1،4-بنزودیازپین ها; 1,3-Phosphorotropic rearrangements; 1,4-Benzodiazepines; 2-Aza-allylic system; Tosyl azide; Staudinger reaction;