Chiral diphosphinoterpenes and transition metal complexes...

Details Chiral diphosphinoterpenes and transition metal complexes... Chiral diphosphinoterpenes and transition metal complexes...

2007-06-26

2007-06-26

Nazario-Gonzalez, Porfirio (Department: 1621)

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

Organic compounds

Phosphorus containing

C502S162000, C556S021000, C568S014000

Reexamination Certificate

active

11125376

ABSTRACT:
The present invention relates to chiral diphosphinoterpenes and transition metal complexes thereof, to a process for preparing chiral diphosphinoterpenes and oxides thereof, and to transition metal complexes comprising the chiral diphosphinoterpenes. In a further aspect, the invention relates to the use of the chiral diphosphinoterpenes or transition metal complexes thereof in asymmetric syntheses.

REFERENCES:
Organometallics, 1990, 9, pp. 273-275, R. L. Halterman et al, “Stereoselective Formation of (CS-Symmetrical π-allyl)palladium Complexes”.
Demay S et al: “Stereoselective Preparation of Phosphine Oxides via a 2,3-Sigmatropic Shift of Allylic Diphenylphosphinites” Tetrahedron Letters, Elsevier Science Publishers, Amsterdam, NL. Bd. 40, Nr. 27, 2. Juli 1999 (Jul. 2, 1999), Seiten 4981-4984, XP004169375 ISSN: 0040-4039 * das ganze Dokument *.
Demay S. et al.: New C2-symmetrical 1,2-diphosphanes for the efficient rhodium-catalyzed asymmetric hydroboration of styrene derivatives: Angewandte Chemie. International Edition., Bd. 40, Nr. 7, 2001, Seiten 1235-1238, XP002339814 De Verlag Chemie. Weinheim. * das ganze Dokument *.
Gavryushin A et al: “Novel chiral diphosphine ligands with a pinene core obtained via an allylphosphinite-allylphosphine oxide rearrangement” Tetrahedron: Asymmetry, Elsevier Science Publishers, Amsterdam, NL. Bd. 15, Nr. 14, 26. Juli 2004 (Jul. 26, 2004), Seiten 2279-2288, XP004523720 ISSN: 0957-4166 * das ganze Dokument *.

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