Reaction of organozinc reagents prepared from bromomalonic acid esters and zinc with 3-aryl-2-cyanopropenoic acid primary amides |
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| Authors: | V V Shchepin P S Silaichev Yu G Stepanyan N Yu Russkikh M I Vakhrin M A Ezhikova M I Kodess |
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| Institution: | (1) Perm State University, Perm, 614990, Russia;(2) Postovskii Institute of Organic Synthesis, Ural Division, Russian Academy of Sciences, Yekaterinburg, Russia |
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| Abstract: | Organozinc compounds prepared from bromomalonic acid esters and zinc react with 3-aryl-2-cyanopropenoic acid primary amides giving a single diastereomer of the corresponding 1-R′-4-aryl-2,6-dioxo-5-cyanopiperidine-3-carboxylic acid esters, or 3-R′-6-aryl-2,4-dioxo-5-cyano-3-azabicyclo3.1.0]hexene-1-carboxylic acid esters. |
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