Conclusions
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1.
We studied the reaction of 1,3,3,5-tetrachioropentane, 1,1,1,3-tetrachloro-3-phenylpropane, and 2,2,4-trichloropentane with zinc in diverse solvents as the medium, which reaction leads to the formation of substituted cyclopropanes. In acetic acid the reduction of the chlorine-containing groupings to give alkanes becomes significant.
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2.
The reductive cyclization of 2,2,4-trichloropentane with Zn in ethanol, acetic acid, or DMF leads to the predominant formation of cis-1,2-dimethylcyclopropane.
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3.
On the example of 1,1-dichloro-2-phenylcyclopropane and 1-chloro-1-methyl-2-phenylcyclopropane it was shown that when these compounds are heated with Zn in ethanol the C-Cl bond is practically not reduced.
Literature cited
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1610–1612, July, 1979.
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Kamyshova, A.A., Chukovskaya, E.T. & Freidlina, R.K. Reaction of aliphatic and alicyclic compounds, containing gem-polychlorohydrocarbon groupings, with zinc. Russ Chem Bull 28, 1488–1490 (1979). https://doi.org/10.1007/BF00947328
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DOI: https://doi.org/10.1007/BF00947328