75220-85-8Relevant academic research and scientific papers
[BPy]HSO4 acidic ionic liquid as a novel, efficient, and environmentally benign catalyst for synthesis of 1,5-benzodiazepines under mild conditions
Du, Yuying,Tian, Fuli,Zhao, Wenzhi
, p. 1661 - 1669 (2007/10/03)
A novel and simple ionic liquid methodology for the synthesis of 1,5-benzodiazepines is described. 1-Butylpyridinium hydrogen sulphate ([BPy]HSO4), an acidic room-temperature ionic liquid, as a novel and efficient catalyst, was synthesized and
NEW ASPECTS OF THE CHEMISTRY OF 2,3-DIHYDRO-1H-1,5-BENZODIAZEPINE
Orlov, V. D.,Kolos, N. N.,Yaremenko, F. G.,Lavrushin, V. F.
, p. 547 - 550 (2007/10/02)
Under basic catalysis conditions the reaction of 4- and 4'-substituted chalcones with o-phenylenediamine leads to 2,3-dihydro-2,4-diaryl-1H-1,5-benzodiazepines; β-amino adducts, the ability of which to undergo intramolecular condensation increases as the
