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Carboranylphosphites as new ligands for Rh-catalyzed asymmetric hydrogenation

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Abstract

First representatives of chiral carborane-based phosphite ligands were synthesized. The enantiomeric excess in the Rh-catalyzed hydrogenation of dimethyl itaconate with the use of these ligands reaches 67% in CH2Cl2 and 62% in supercritical CO2, the ee and conversion being strongly dependent on the hydrogen pressure.

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Correspondence to S. E. Lyubimov.

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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 2, pp. 337–340, February, 2008.

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Lyubimov, S.E., Safronov, A.S., Tyutyunov, A.A. et al. Carboranylphosphites as new ligands for Rh-catalyzed asymmetric hydrogenation. Russ Chem Bull 57, 345–348 (2008). https://doi.org/10.1007/s11172-008-0053-4

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  • DOI: https://doi.org/10.1007/s11172-008-0053-4

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