Abstract
Acylation of the dicobaltohexacarbonyl complex of 4-methylpenten-3-yne-1 with acryloyl tetrafluoroborate in a medium containing nitromethane with subsequent addition of a nucleophile (methanol or water) leads to anomalous products that are made up of two molecules of starting enyne and one fragment of acryloyl cation. On methanolysis a product of linear structure is formed — a functionally substituted undecane, and on hydrolysis a cyclic product is formed — a functionally substituted dihydropyran.
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V. A. Smit (W. A. Smit), A. A. Shchegolev (A. A. Schegolev), A. S. Gybin, et al., Synthesis, No. 10, 887 (1984).
A. L. Veretenov, A. S. Gybin, V. A. Smit, et al., Izv. Akad. Nauk SSSR, Ser. Khim., No. 8, 1879 (1989).
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 8, pp. 1875–1879, August, 1989.
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Veretenov, A.L., Gybin, A.S., Smit, V.A. et al. Anomalous products in the acylation of the dicobaltohexacarbonyl complex of 4-methylpenten-3-yne-1 with acryloyl tetrafluoroborate. Russ Chem Bull 38, 1721–1724 (1989). https://doi.org/10.1007/BF00956962
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DOI: https://doi.org/10.1007/BF00956962