Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 15, Issue 35, Pages 8834-8841Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.200900492
Keywords
benzodiazepines; cascade reactions; molecular sieves; multisite catalysts; reduction
Categories
Funding
- CiCYT MAT [2006-14274-CC02-01]
- PROMETEO
- Generalitat Valenciana
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Substituted 1,5-benzodiazepines are selectively synthesized in one pot from substituted nitroaromatics and ketones. The reaction is performed in the presence of hydrogen and in the absence of solvent by using a bifunctional solid catalyst with a chemoselective hydrogenation functional group capable of reducing the nitro group to a diamino group and an acid functional group, which catalyzes the cyclocondensation of the amino group with the ketone.
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