135747-57-8Relevant articles and documents
Preparation of fused [1,3,5] benzotriazepines by a tandem aza wittig/carbodiimide-mediated annelation reaction
Molina, Pedro,Arques, Antonio,Alias, Asuncion
, p. 2979 - 2982 (1991)
AzaWittig type reaction of bis(iminophosphorane) 2, available from the diazide 1 and triphenylphosphine, with one mole of isothiocyanate leads to the iminophosphoranes 3 derived from the [1,2 ,4 ]triazolo[2,3-b] indazole ring, which by treatment with a se