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Stereoselective cyclization of alkyl N-phthaloyl-4-bromoglutamates to cyclopropane derivatives

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Abstract

The kinetics of the reactions of alkyl N-phthaloyl-4-bromoglutamates with Et3N and KOH was investigated. The reactions proceed stereospecifically to form alkyl 1-phthalimidocyclopropane-r-1,t-2-dicarboxylates. In alcohols, the reactions are accompanied by transesterification. The concerted mechanism accounting for the stereospecificity of these reactions is proposed.

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Krasnov, V.P., Koroleva, M.A., Matveeva, T.V. et al. Stereoselective cyclization of alkyl N-phthaloyl-4-bromoglutamates to cyclopropane derivatives. Russian Chemical Bulletin 50, 644–648 (2001). https://doi.org/10.1023/A:1011356727378

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