Reductive coupling of polyfunctionalized organobismuth and organolead arylating reagents in the synthesis of benzopyran derivatives |
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| Authors: | A Yu Fedorov J -P Finet O G Ganina M I Naumov A S Shavyrin |
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| Institution: | (1) Nizhny Novgorod N. I. Lobachevsky State University, 23 prosp. Gagarina, 603950 Nizhny Novgorod, Russian Federation;(2) Faculty of Science of St. Jerome, University of Aix-Marseille I and III, 13397 Marseille, France;(3) Department of Chemistry, M. V. Lomonosov Moscow State University, 1 Leninskie Gory, 119992 Moscow, Russian Federation;(4) G. A. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, 49 ul. Tropinina, 603600 Nizhny Novgorod, Russian Federation |
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| Abstract: | Benzopyran derivatives were synthesized in good yields by the reactions of tris2-(chloromethyl)phenyl]bismuth diacetate and
2-(halomethyl)aryllead triacetates with phenols and naturally occurring 4-hydroxycoumarins in the presence of bases according
to a three-step one-pot procedure.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2520–2529, November, 2005. |
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| Keywords: | reductive coupling α -arylation benzopyran derivatives tris[2-(chloromethyl)phenyl]bismuth diacetate 2-(halomethyl)arylboronic acids 2-(halomethyl)aryllead triacetates |
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