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42Asymmetric addition of methyl nitroacetate to crotonaldehyde catalyzed by chiral amines, Russian Chemical Bulletin Synthesis of??-nitrocarbonyl compounds, Bulletin of the Academy of Sciences of the USSR, Division of chemical science Reaction of ??-dimethylaminoacrolein aminal with alcohols and CH-acids, Bulletin of the Academy of Sciences of the USSR, Division of chemical science Amino acids. Communication 1. synthesis of DL-threonine and DL-2-aminobutyric acid based on condensations of nitroacetic ester, Bulletin of the Academy of Sciences of the USSR, Division of chemical science Reaction of nitro compounds with iminium salts 1. Nitrovinylation of indoles, Bulletin of the Academy of Sciences of the USSR, Division of chemical science Reversibility of the condensation of orthoformic esters with nitro compounds, Bulletin of the Academy of Sciences of the USSR, Division of chemical science Amino acids Communication 2. Synthesis of DL-proline from nitroacetic ester derivatives, Bulletin of the Academy of Sciences of the USSR, Division of chemical science Synthesis of methyl ??-nitrocrotonate, Bulletin of the Academy of Sciences of the USSR, Division of chemical science Reaction of 8-substitute d 3-phenyl-5-methyl-2-oxa-1-aza-bicyclo[3.3.0]octanes with nucleophilic reagents, Bulletin of the Academy of Sciences of the USSR, Division of chemical science Acylation of aliphatic diamines with methyl nitroacetate, Russian Chemical Bulletin