Abstract
We propose an approach to synthesis of N,O,S-containing 6- and 7-membered heterocycles based on using 4-nitrophenyl N-(1-aryl-2,2,2-trifluoroethylidene)urethanes as the electrophilic components in heterocyclizations with bifunctional nucleophilic reagents.
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Vovk, M.V., Dorokhov, V.I. & Samarai, L.I. 4-Nitrophenyl N-(1-Aryl-2,2,2-trifluoroethylidene)urethanes: Novel 1,3-Electrophilic Components of Reactions Leading to 6- and 7-Membered Heterocycles. Chemistry of Heterocyclic Compounds 40, 241–244 (2004). https://doi.org/10.1023/B:COHC.0000027899.14391.07
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DOI: https://doi.org/10.1023/B:COHC.0000027899.14391.07