Abstract
Cyclopropanation of mono- and dialkyl-substituted alkynes under the action of CH2I2 and Et3Al afforded the corresponding 1-alkyl- and 1,2-dialkyl-substituted 1,2-diethylcyclopropanes in 65—80% yields.
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Ramazanov, I.R., Luk"yanova, M.P., Sharipova, A.Z. et al. One-step cyclopropanation of alkynes with diiodomethane and triethylaluminum. Russian Chemical Bulletin 50, 1406–1409 (2001). https://doi.org/10.1023/A:1012733023065
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DOI: https://doi.org/10.1023/A:1012733023065