Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2005-11-15
2005-11-15
Killos, Paul J. (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C549S330000, C560S174000, C562S587000
Reexamination Certificate
active
06965029
ABSTRACT:
The invention relates to a process for the preparation of compounds of the general formula Iin which R1represents a C1-C20-alkyl group, a C3-C12-cycloalkyl group, a C7-C12-aralkyl group or a mono- or bi-nuclear aryl group, in which a ketone of formula IIwherein R1is as defined above, is subjected to asymmetric hydrogenation.
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Burns Doane Swecker & Mathis L.L.P.
Killos Paul J.
Viatris GmbH & Co. KG
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