Abstract
Novel heterocyclizations have been investigated based on the reaction of the complex between trifluoromethanesulfonic anhydride and 4-dimethylamino-1,1,1-trifluoro-3-buten-2-one with 2,2'-biindolyl and N,N'-dipyrrolylmethane leading to closure of 6- or 7-membered rings.
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Baraznenok, I.L., Nenajdenko, V.G. & Balenkova, E.S. Synthesis Of CF3-Heterocycles Based on 4-Dimethylamino-1,1,1-trifluoro-3-buten-2-one. Chemistry of Heterocyclic Compounds 39, 776–779 (2003). https://doi.org/10.1023/A:1025603330551
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DOI: https://doi.org/10.1023/A:1025603330551