76895-81-3Relevant articles and documents
New Synthesis of 7-Bromo-1,3-dihydro-3-hydroxy-5-(2'-pyridyl)-2H-1,4-benzoazepin-2-one
Kovac, Tomislav,Belin, Branka,Fajdiga, Tatjana,Sunjic, Vitomir
, p. 59 - 62 (2007/10/02)
A new synthesis of 7-bromo-1,3-dihydro-3-hydroxy-5-(2'-pyridyl)-2H-1,4-benzoazepin-2-one (5) is described.Starting from bromazepam (3), C(3) acylation with lead tetraacetate/potassium iodide in acetic acid affords 4, while its mild hydrolysis according ou