Conclusions
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1.
By replacing the halogen in theγ- andβ-iodopyridine N-oxides by the 3-methyl-3-hydroxybutynyl group we synthesized the N-oxides of tertiary pyridinylacetylenic alcohols. The alcohols were converted to the corresponding ethynylpyridine N-oxides by cleavage by the reverse Favorskii reaction.
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2.
α-Iodopyridine was condensed with a number of terminal acetylenic compounds.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 1168–1170, May, 1973.
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Kozhevnikova, A.N., Shvartsberg, M.S. & Kotlyarevskii, I.L. Acetylenic condensation in the pyridine and pyridine N-oxide series. Russ Chem Bull 22, 1132–1134 (1973). https://doi.org/10.1007/BF00854273
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DOI: https://doi.org/10.1007/BF00854273