123772-64-5Relevant academic research and scientific papers
Ring Transformation of 4-Amino and 4-N-(Substituted)amino-1H-1,5-benzodiazepine-3-carbonitriles with Hydroxylamine. A New Synthesis of Benzimidazolidine and Izoxazole Derivatives
Okamoto, Yoshihisa,Takagi, Kaname
, p. 277 - 279 (2007/10/02)
The reaction of 4-amino-1H-1,5-benzodiazepine-3-carbonitrile 1 with hydroxylamine provided the ring-opened hydroxyamine adduct 2 which was converted to 2-benzimidazolidinylidene-3-hydroxyiminopropionitrile 4 in hydrochloric acid.The reaction of 4-ethoxyca
