Reinvestigation of alternative method for the preparation of dibenz[<i>b,f</i>][1,4]oxazepine
作者:Hossein Fakhraian、Yaser Nafary
DOI:10.1002/jhet.59
日期:2009.9
different starting materials for the preparation of dibenz[b,f][1, 4]oxazepine (, CR) were reinvestigated. The possibility of trans-cis conversion of the Schiff base (produced from and ) is considered the favorable orientation that leads to cyclization (production of ). Fluoro derivative of afforded excellent and more convenient conditions for the one pot preparation of high yield pure . The presence