Conclusions
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1.
An x-ray diffraction structural analysis established the structures of four isomers of 2-(2′,2′-dichloro-3′,3'-dimethylcyclopropyl)-3-cyano-5,6-dimethyl-7-,7-dichlorobicyclo [4.1.0]heptane. These isomers differ relative to the orientation of the condensed cyclopropane ring and cyano group and the orientation of the cyclopropyl substituent in the sixmembered ring.
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2.
The structural data obtained explain the steric control in the dichlorocyclopropanation of the stereoisomeric adducts of cis-alloocimene with acrylonitrile.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp. 1278–1282, June, 1989.
The authors thank Academician B. A. Arbuzov for participating in a discussion of this work.
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Kataeva, O.N., Litvinov, I.A., Naumov, V.A. et al. Molecular structure of the products of the dichlorocyclopropanation of the stereoisomeric adducts of cis-alloocimene with acrylonitrile. Russ Chem Bull 38, 1164–1167 (1989). https://doi.org/10.1007/BF00957146
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DOI: https://doi.org/10.1007/BF00957146