Conclusions
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1.
In contrast to the diethyl ester of adipic acid, the diethyl ester of cis-dihydromuconic acid is not cyclized under the conditions of the Dieckmann reaction.
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2.
2-Carbethoxybicyclo[2.1.0]-2-pentanone is smoothly formed by the dehydrobromination of 2-bromo-2-carbethoxy-1-cyclopentanone with BF3 etherate.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 1086–1090, May, 1973.
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Levchenko, N.K., Segal, G.M. & Torgov, I.V. Synthesis of 3-carbethoxybicyclo[2.1.0]-2-pentanone. Russ Chem Bull 22, 1042–1046 (1973). https://doi.org/10.1007/BF00854246
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DOI: https://doi.org/10.1007/BF00854246