Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-04-25
2006-04-25
Owens, Amelia A. (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C549S214000, C549S333000, C558S389000, C558S451000, C556S417000
Reexamination Certificate
active
07034165
ABSTRACT:
The invention relates to 3,5-dihydroxy-2,2-dimethyl-valeronitriles for the synthesis of epothilones and epothilone derivatives and process for the production of these new intermediate products in the synthesis and the use for the production of epothilones or epothilone derivatives.
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Schinzer D et al: Chemistry-A European Journal, vol. 2, No. 11, 1996, pp 1477-1482.
Schinzer D et al: Angewandte Chemie, vol. 109, No. 5, 1997, pp. 523-524.
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Statutory Disclaimer of claims 1, 2, 9, 10, 25 and 26 in U.S. 6,730,803 by patent owner.
Petrov Orlin
Platzek Johannes
Westermann Jurgen
Millen White Zelano & Branigan P.C.
Owens Amelia A.
Schering AG
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