H14[NaP5W30O110] as a heterogeneous recyclable catalyst for the synthesis of 1,5-benzodiazepines in refluxing ethanol

2,3-Dihydro-1H-1,5-benzodiazepines are synthesized by the condensation of o-phenylenediamine and various ketones in the presence of Preyssler heteropolyacid as a recyclable catalyst in refluxing ethanol.

2,3-Dihydro-1H-1,5-benzodiazepines are synthesized by the condensation of o-phenylenediamine derivatives and various ketones in the presence of a Preyssler type heteropolyacid as a recyclable catalyst in refluxing ethanol. Figure optionsDownload as PowerPoint slide