Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing
Reexamination Certificate
2006-01-31
2006-01-31
Nazario-Gonzalez, Porfirio (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heavy metal containing
C556S136000, C568S012000, C568S014000, C502S162000
Reexamination Certificate
active
06992201
ABSTRACT:
The present invention relates to a process for preparing phosphites and their transition metal complexes and also to their use in catalytic processes.
REFERENCES:
patent: 5616767 (1997-04-01), Enlow et al.
patent: 5998326 (1999-12-01), Hafner et al.
patent: 6204347 (2001-03-01), Hafner et al.
patent: 2003/0171608 (2003-09-01), Reetz et al.
patent: 01/94278 (2001-12-01), None
Manfred T. Reetz* and Gerlinde Mehler; Angew. Chem. Int. Ed. (month unavailable) 2000, 39, No. 21, pp. 3889-3890; “Highly Enantioselective Rh-Catalyzed Hydrogenation Reactions Based on Chiral Monophosphite Ligands”.
Patrick H. Dussault* and Kevin R. Woller; J. Org. Chem. (month unvailable) 1997, 62, pp. 1556-1559; “Approaches to Stereoselective Dioxygenation of Alkenes: Chiral Phosphite Ozonides” American Chemcal Society; Journal of Organic Chemistry, v62, p. 1556, Dussault Supple-mental pp. 1-14.
Jean-Michel Brunel and Gerard Buono*; J. Org. Chem. (month unvailable) 1993, 58, pp. 7313-7314; “A New and Efficient Method for the Resolution of 1,1′-Binaphthalene-2,2-diol”.
Cai, Jue Xiao et al: “A new convenient method for the resolution of 1,1′-binaphthalene- 2,2′ -diol via a phosphite using (-) -menthol as resolving agent” Chinese Chemical Letters (2002), 13(7), 617-619, 2002, XP001172891 *Seite 618, Unten *.
Bedekar, A.V. et al: “Intramolecular asymmetric olefination of binaphythyl phosphonate derivatives of 1,3-diketones” Tetrahedron: Asymmetry, Elsevier Schience Publishers, Amsterdam, NL, Bd. 13, Nr. 7, May 2, 2002, Seiten 721-727, XP004354864 ISSN: 0957-4166 *das ganze Dokument*.
Chen W et al: “Enantioselective hydrogenation with inexpensive, easily available monodentate phosphite ligands” Tetrahedron Letters, Elsevier Science Publishers, Amsterdam, NL, Bd. 42, Nr. 15, Apr. 9, 2001, Seiten 2897-2899, XP004232343 ISSN: 0040-4039 *das ganze Dokument*.
Chen W et al: “Asymmetric activation of conformationally flexible monodentate phosphites for enantioselective hydrogenation” Tetrahedron Letters, Elsevier Science Publishers, Amsterdam, NL, Bd. 42, Nr. 49, Dec. 3, 2001, Seiten 8737-8740, XP004321537 ISSN: 0040-4039 *daz ganze Dokument*.
Gerlach Arne
Hassfeld Jorma
Scholz Ulrich
Vogl Erasmus
Bayer Aktiengesellschaft
Eyl Diderico van
Nazario-Gonzalez Porfirio
LandOfFree
Process for preparing phosphites and transition metal complexes does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for preparing phosphites and transition metal complexes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing phosphites and transition metal complexes will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3595267