Conclusions
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1.
Together with the classical 1,2-elimination of the elements of water, 1,4-elimination takes place in the dehydration of the substituted 2-cyclopenten-1-ols, accompanied by migration of the double bond.
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2.
The data obtained make it possible to predict the cases where the synthesis of the substituted cyclopentadienes is accompanied by the formation of noticeable amounts of 3-methylene-1-cyclopentenes (dienes with a fixed transoid system of double bonds).
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See [1] for Communication 44 in this series.
Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 1, pp. 38–45, January, 1973.
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Mironov, V.A., Akhrem, A.A. Cyclic unsaturated compounds. Russ Chem Bull 22, 34–39 (1973). https://doi.org/10.1007/BF00854109
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DOI: https://doi.org/10.1007/BF00854109