Abstract
Synthesis of 3,1,5-benzoxadiazepines from the condensation of o-phenylenediamine (o-PDA) and acyl chlorides in the presence of a catalytic amount of various heteropolyacids (HPAs) is reported.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Acids*
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Azepines / chemical synthesis*
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Azepines / chemistry
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Benzodiazepines / chemical synthesis*
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Benzodiazepines / chemistry
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Catalysis
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Cyclization
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Heterocyclic Compounds / chemistry*
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Magnetic Resonance Spectroscopy
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Mass Spectrometry
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Molecular Structure
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Structure-Activity Relationship
Substances
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Acids
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Azepines
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Heterocyclic Compounds
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Benzodiazepines