Abstract
Chiral diamines having a C 2 symmetry, (4S,5S)-2,2-dimethyl-4,5-bis(aminomethyl)-1,3-dioxolane and (5S,5'S)-2,2,2',2'-tetramethyl-3,3'-diphenyl-5,5'-bioxazolidine, were synthesized on the basis of (+)-(2R,3R)-tartaric acid. Their structure was proved by X-ray analysis. The products were used as ligands in rhodium catalyst for enantioselective hydrogenation of α-acetamidocinnamic and itaconic acids.
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Shainyan, B.A., Ustinov, M.V., Bel'skii, V.K. et al. Diamines Having a C2 Symmetry. Synthesis and Application as Ligands in the Hydrogenation of Prochiral Substrates over Rhodium Complexes. Russian Journal of Organic Chemistry 38, 104–110 (2002). https://doi.org/10.1023/A:1015367111704
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DOI: https://doi.org/10.1023/A:1015367111704