Abstract
Reaction of 2-acetylpyridine with 4-[2.2]paracyclophanyllithium or 4-acetyl[2.2]paracyclophane with 2-pyridllithium gives 1-([2.2]paracyclophan-4-yl)-1-(2-pyridyl)ethanol. Its molecular and crystalline structures have been studied by x-ray analysis. It was found that heating this alcohol in acid medium causes dehydration and heterocyclization to give 1-paracyclophanyl-1-pyridylethylene and 10-methyl[2.2]paracyclophano[4,5-bindolizine.
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Additional information
For communication 9 see [1]. This report is also communication [5] in the series “Synthesis, Structure, and Biological Activity of [2.2]Paracyclophanes” (for communication 4 see [2]).
Russian University of National Friendship, Moscow 117198. A. N. Nesmeyanov Institute of Organoelemental Compounds, Russian Academy of Sciences, Moscow 117813. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 793–800, June, 1997.
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Kryvenko, L.I., Soldatenkov, A.T., Zvolinskii, O.V. et al. Indolopyridines with a bridging heteroatom. Chem Heterocycl Compd 33, 691–697 (1997). https://doi.org/10.1007/BF02291801
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DOI: https://doi.org/10.1007/BF02291801