Process of preparing codeinone, dihydrocodeinone, and dihydromorphinone
United States Patent 2654756

Inventors:
Homeyer, August H.
Mater, George LA. B. DE.
Publication Date:
10/06/1953
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Assignee:
MALLINCKRODT CHEMICAL WORKS
Primary Class:
International Classes:
C07D489/02; C07D489/00
Foreign References:
DE415097C