Answers are grounded in this paper and cite their sources.
Abstract 3H‐1,5‐benzodiazepines were synthesized by the condensation of o ‐phenylendiamine and various 1,3‐diketones in the presence of various heteropolyacid (HPA) catalysts under mild conditions in very good yields and with high selectivity.
No takes yet. Share an insight, caveat, or question.
Heravı et al. (2008) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: