Chiral bisphosphines

Details Chiral bisphosphines Chiral bisphosphines

1999-02-03

2000-03-28

Geist, Gary

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

Organic compounds

Heavy metal containing

556 22, 556136, C07F 1500

Patent

active

060433876

ABSTRACT:
New chiral biphosphines, e.g., ##STR1## are useful as key components in catalysts for asymmetric reactions, providing desirably high enantiomeric excess (ee).

REFERENCES:
patent: 5206399 (1993-04-01), Sayo
patent: 5399771 (1995-03-01), Cai et al.
patent: 5510503 (1996-04-01), Laue et al.
patent: 5516944 (1996-05-01), Broger et al.
H. J. Reich et al., "Macro Rings. XXXVII. Multiple Electrophilic Substitution Reactions of [2.2] Paracyclophanes and Interconversions of Polysubstitued Derivatives", J. Amer. Chem. Soc., vol. 91(13), pp. 3527-3533 (1969).
S. V. Lindeman et al., "Molecular Structure of 4, 16-Dichloro- and 4,16-Dibromo [2.2]-Paracyclophanes", Izvestiya Akademi Nauk SSSR, Seriya Khimicheskaya, No. 9, pp. 2007-1010 (1986).

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