Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus containing
Patent
1990-05-17
1991-04-16
Dees, Jose G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Phosphorus containing
568 10, 556136, 556 13, C07F 902, C07F 900
Patent
active
050084577
ABSTRACT:
Chiral 2,5-disubstituted phospholanes useful as transition metal ligands in asymmetric catalysis and processes for their preparation are disclosed.
REFERENCES:
S. Masamune et al., Journal of Organic Chemistry, vol. 54, p. 1755 (1989).
Wilson et al., Synlett, pp. 199-200, Apr. (1990).
Brunner et al., "XXXIII. New Optically Active Phospholanes Derived from Tartaric Acid," Journal of Organometallic Chemistry, vol. 328, pp. 71-80, 1987.
Dees Jos,e G.
E. I. Du Pont de Nemours and Company
Nazario Porfirio
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