Abstract
The reactions of 4-chloro-1,1,1-trifluorobut-3-yn-2-one and 4-bromo-1,1,1-trifluorobut-3-yn-2-one with conjugated dienes afford [4+2] cycloadducts in high yields. The halogen atom in the products is readily replaced by a (het)aryl residue in the cross-coupling with organozinc compounds.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2202–2206, November, 2009.
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Koldobskii, A.B., Tsvetkov, N.P., Shilova, O.S. et al. 4-Halogeno-1,1,1-trifluorobut-3-yn-2-one [4+2] cycloadducts and their cross-coupling with organozinc compounds. Russ Chem Bull 58, 2271–2275 (2009). https://doi.org/10.1007/s11172-009-0317-7
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DOI: https://doi.org/10.1007/s11172-009-0317-7