374629-49-9Relevant articles and documents
Hetaryl-1,5 Benzodiazepines—Part I: Synthesis of 3-pyrimidinyl- and Imidazolyl-1,5-benzodiazepines
Khodairy, Ahmed,Ahmed, Eman A.,Abdel Ghany, Hossam
, p. 242 - 247 (2017)
Nucleophilic substitution of 3-bromo-4-phenyl-1H-[1,5]benzodiazepin-2-one (1) with thiourea or guanidine in presence of potassium carbonate afforded 1,5-benzodiazepin-3-ylimidothiocarbamate 2 or 1,5-benzodiazepin-3-ylguanidine 3, respectively. Pyrimidylthiobenzodiazepines 5, 6, 7, 8, 9, 10, 11, 12, 13 were obtained via the reaction of compound 2 with malononitrile dimer, diethyl malonate, methylenemalononitriles, or a mixture of an aldehyde and β-keto esters or acetylacetone, catalyzed using ceric ammonium nitrate. Reaction of compound 2 or 3 with α-halo esters, nitriles, and/or ketones afforded imidazoles 14, 15, 16, 17, 18, 19, 20, respectively.
Synthesis of new 3-substituted and spiro 1,5-benzodiazepin-2-ones under phase-transfer catalysis conditions
Abdel-Ghany,El-Sayed,Khodairy,Salah
, p. 2523 - 2535 (2007/10/03)
1,3-Dihydro-4-phenyl-1,5-benzodiazepin-2-one 1 was treated with bromine in 1:1 molar ratio to get the corresponding 3-bromo derivative 2 which in turn reacted with different nucleophiles to get the corresponding 3-substituted derivatives 3-11. The cyclize