Summary.
The reaction of bis(polyfluoroalkyl)-containing 1,3,5-triketones with o-phenylenediamine yielded 2-polyfluoroacylmethylene-4-polyfluoroalkyl-1,3- or 1,5-dihydro-1,5-benzodiazepines. The tautomeric equilibrium of the obtained benzodiazepines in CDCl3, CD3CN, DMSO, and DMF solution was studied.
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Yachevskii, D., Chizhov, D., Kodess, M. et al. Synthesis and Tautomeric Equilibrium of Polyfluoroacyl-Containing 1,5-Benzodiazepines. Monatshefte für Chemie 135, 23–30 (2004). https://doi.org/10.1007/s00706-003-0117-y
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DOI: https://doi.org/10.1007/s00706-003-0117-y