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Vol. 25 No. 12 (2013): Vol 25 Issue 12

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Bi(NO3)3·5H2O: An Efficient and Green Catalyst for Synthesis of 1,5-Benzodiazepines and b-Amino Carbonyl Compounds

https://doi.org/10.14233/ajchem.2013.14353
Jaspreet Kaur Rajput
Department of Chemistry, Dr. B.R. Ambedkar National Institute of Technology, Jalandhar-144 011, India
Gagandeep Kaur
Department of Chemistry, Dr. B.R. Ambedkar National Institute of Technology, Jalandhar-144 011, India

Corresponding Author(s) : Jaspreet Kaur Rajput

rajputj@nitj.ac.in; gagandeepnit@gmail.com

Asian Journal of Chemistry, Vol. 25 No. 12 (2013): Vol 25 Issue 12

Abstract

Bismuth nitrate pentahydrate is found to be an efficient catalyst for the synthesis of 1,5-benzodiazepines and b-amino carbonyl compounds using condensation of o-phenylenediamine with ketones and one pot three component Mannich reaction, respectively under solvent free conditions at room temperature. This method offers a simple, solvent free, room temperature, environment friendly synthesis of 1,5-benzodiazepines and b-amino carbonyl compounds. The products are isolated by column chromatography and recrystallization, respectively and were characterized by their melting point, IR and 1H NMR spectroscopy.

Keywords

1,5-Benzodiazepines β-Amino carbonyl compounds Solvent free conditions Bi(NO3)3·5H2O
Kaur Rajput, J., & Kaur, G. (2013). Bi(NO3)3·5H2O: An Efficient and Green Catalyst for Synthesis of 1,5-Benzodiazepines and b-Amino Carbonyl Compounds. Asian Journal of Chemistry, 25(12), 6545–6549. https://doi.org/10.14233/ajchem.2013.14353
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