Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2008-12-17
2011-11-29
Chu, Yong (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C546S045000
Reexamination Certificate
active
08067596
ABSTRACT:
The invention generally provides processes and intermediate compounds useful for the production of (+) nal morphinan compounds. In particular, the process encompasses synthetic routes for the production of (+) nal morphinan compounds or derivatives of (+) nal morphinan compounds from (+)-morphinan substrates such as (+)-hydrocodone, (+)-norhydrocodone or derivatives of either compound.
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Berberich David W.
Cantrell Gary L.
Jiang Tao
Liao Subo
Trawick Bobby N.
Barker Michael
Chu Yong
Mallinckrodt LLC
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