Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing
Reexamination Certificate
2006-03-28
2006-03-28
Nazario-Gonzalez, Porfirio (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heavy metal containing
C556S011000, C556S012000, C556S019000, C556S022000, C556S023000, C556S046000, C556S058000, C556S137000, C556S140000, C502S152000, C502S155000
Reexamination Certificate
active
07019158
ABSTRACT:
Chiral organometallic compounds are provided which comprise certain non-symmetrically substituted cyclopentadiene complexed to a transition metal. The cyclopentadiene has a second coordinating group which also complexes the transition metal and is attached to the cyclopentadiene by means of a chiral connecting chain. Preferred transition metals include rhodium, ruthenium, iridium, cobalt, iron, manganese, chromium, tungsten, molybdenum, nickel, palladium, or platinum. These chiral organometallic compounds find use in asymmetric synthesis to produce chiral compounds.
REFERENCES:
patent: 19630580 (1998-02-01), None
patent: 0854147 (1998-07-01), None
patent: WO 98/04570 (1998-02-01), None
patent: WO 99/28358 (1999-06-01), None
patent: WO 01/02323 (2001-01-01), None
Bitterwolf et al., Journal of Organometallic Chemistry, vol. 583, No. 1-2, pp. 152-161 (1999).
Ciruelos, et al., Organometallics, 19:2240-2242 (2000).
Avecia Limited
Morgan Lewis & Bockuis LLP
Nazario-Gonzalez Porfirio
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