Diamines Having a C2 Symmetry. Synthesis and Application as Ligands in the Hydrogenation of Prochiral Substrates over Rhodium Complexes |
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| Authors: | B A Shainyan M V Ustinov V K Bel'skii L O Nindakova |
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| Institution: | (1) Irkutsk Institute of Chemistry, Siberian Division, Russian Academy of Sciences, ul. Favorskogo 1, Irkutsk, 664033, Russia |
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| 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  -acetamidocinnamic and itaconic acids. |
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