Conclusions
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1.
The reduction of ethyl 2,3-dialkylcyclopropane-1-carboxylates either take place with retention of the double bond in the ring or leads to the corresponding alcohols of the cyclopropane series, depending on the reaction conditions.
-
2.
Complete reduction takes place stereospecifically; in the products the hydroxymethyl group is in the trans position in relation to the alkyl substituants.
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3.
The regioselectivity of the reduction process (the direction of initial attack by the hydride ion) is determined by the possibility of the formation of the most stable carbanion.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1593–1598, July, 1985.
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Domnin, I.N., Dumon, K., Vincens, M. et al. Reduction of ethyl 2-alkyl- and 2,3-dialkyl-2-cyclopropene-1-carboxylates and the corresponding cyclopropenols with lithium aluminum hydride. Russ Chem Bull 34, 1457–1462 (1985). https://doi.org/10.1007/BF00950148
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DOI: https://doi.org/10.1007/BF00950148