Reaction of 2-polyfluoroalkylchromones with 1,3,3-trimethyl-3,4-dihydroisoquinolines and methylketimines as a direct route to zwitterionic axially chiral 6,7-dihydrobenzo[a]quinolizinium derivatives and 2,6-diaryl-4-polyfluoroalkylpyridines |
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| Authors: | Sosnovskikh Vyacheslav Ya Usachev Boris I Sizov Aleksei Yu Vorontsov Ivan I Shklyaev Yurii V |
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| Institution: | Department of Chemistry, Ural State University, 620083 Ekaterinburg, Russia. vyacheslav.sosnovskikh@usu.ru |
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| Abstract: | reaction: see text] 2-Polyfluoroalkylchromones react with 1,3,3-trimethyl-3,4-dihydroisoquinolines to give zwitterionic axially chiral 6,7-dihydrobenzoa]quinolizinium derivatives in high yields. In addition, performing this reaction with aromatic methylketimines is a simple and convenient synthesis of 2,6-diaryl-4-polyfluoroalkylpyridines. |
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