Journal
CATALYSIS LETTERS
Volume 105, Issue 3-4, Pages 229-232Publisher
SPRINGER
DOI: 10.1007/s10562-005-8695-4
Keywords
1,5-benzodiazepines; heterocycles; zeolites; green chemistry
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The modified small pore size zeolite E4a has been found to be an efficient catalyst for the regioselective synthesis of 2,3-dihydro-1H-1,5-benzodiazepines from o-phenylenediamine and ketones. This method is simple, cheap, environmentally-friendly and give the benzodiazepines in high yield.
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