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Reactions of 1,4-enynes with the system CH2I2-Et3Al

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Abstract

Reactions of alk-1-en-4-ynes with an excess of the system CH2I2-Et3Al give 1-cyclopropylmethyl-1,2-diethylcyclopropanes. A decrease in the amount of either component of the system to two equivalents results in cyclopropanation of the double bond only. Under such conditions, conjugated enynes yield a complex mixture of products, while conjugated diynes are inert to the system CH2I2-Et3Al.

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Authors and Affiliations

  1. Institute of Petrochemistry and Catalysis, Russian Academy of Sciences, 141 prosp. Oktyabrya, 450075, Ufa, Russian Federation

    I. R. Ramazanov, A. V. Yaroslavova & U. M. Dzhemilev

  2. N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991, Moscow, Russian Federation

    O. M. Nefedov

Authors
  1. I. R. Ramazanov
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  2. A. V. Yaroslavova
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  3. U. M. Dzhemilev
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  4. O. M. Nefedov
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Corresponding author

Correspondence to I. R. Ramazanov.

Additional information

Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2233–2236, November, 2011.

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Ramazanov, I.R., Yaroslavova, A.V., Dzhemilev, U.M. et al. Reactions of 1,4-enynes with the system CH2I2-Et3Al. Russ Chem Bull 60, 2275–2278 (2011). https://doi.org/10.1007/s11172-011-0347-9

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  • DOI: https://doi.org/10.1007/s11172-011-0347-9

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