Chiral phosphorus-based ligands

Details Chiral phosphorus-based ligands Chiral phosphorus-based ligands

1998-05-29

2000-12-05

Richter, Johann

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus containing

568 15, 568819, C07F 902, C07C 3528

Patent

active

061569356

ABSTRACT:
A chiral phosphorus-based ligand, in single enantiomer form, which is capable of complexing a transition metal atom and of acting as a ligand in asymmetric chemical catalysts, which comprises the partial structure

REFERENCES:
patent: 5312957 (1994-05-01), Casalnuovo et al.
Database CAPLUS on STN, Acc. No. 1997:658861, Adger et al., `Chemoenzymic synthesis of a novel ligand for rhodium-catalyzed asymmetric hydrogenation.` Chem. Commun. (1997), (18), pp. 1713-1714 (abstract), 1997.
Datbase CAPLUS on STN, Acc. No. 1997:1042, Tolstikov et al., `Chiral organophosphorus ligands derived from the levopimaric acid-maleic anhydride adduct.` Mendeleev Commun. (1996), (6), pp. 215-217 (abstract), 1996.
Database CAPLUS on STN, Acc. No. 1999:94300, Reetz et al., `New diphosphite ligands for the catalytic asymmetric hydrogenation: the crucial role of conformationally enantiomeric diols.` Angew. Chem., Int. Ed. (1999), 38(1/2), pp. 179-181 (abstract), 1999.
Database CAPLUS on STN, Acc. No. 1998:253209, Zhu et al., `Highly enantioselective rhodium-catalyzed hydrogenation of dehydroamino acids with new chiral bisphosphinites.` J. Org. Chem. (1998), 63(9), pp. 3133-3136 (abstract), 1998.
Yamamoto, K. et al. (1994) "New Ligands with a Wide Bite Angle. Efficient Catalytic Activity in the Rh(l)-Catalyzed Hydroformylation of Olefins" Chemistry Letters 94(2):189-192.
Yamamoto, K. et al., "Preparation of diphosphinites and hydroformylation of olefins by using them" Chemical Abstracts, vol. 123, No. 9, Aug. 28, 1995, Columbus, Ohio, U.S.; abstract No. 111594z.
Adger, B. et al. (1997) "Chemoenzymatic synthesis of a novel ligand for rhodium-catalysed asymmetric hydrogenation" Journal of the Chemical Society, Chem. Commun. (18):1713-1714.

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