C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 487/02 (2006.01) C07D 487/04 (2006.01)
Patent
CA 2652846
A process is provided for the N-demethylation of certain morphinans by reaction with .alpha.-chloroethyl chloroformate followed by hydrolysis of the resulting intermediate.
La présente invention porte sur un procédé de N-déméthylation de certains morphinanes par réaction avec le chloroformiate de .alpha.-chloroéthyle suivie d'une hydrolyse de l'intermédiaire résultant.
Halvorsen Harald
Heggelund Audun
Kvernenes Ole Heine
Nygard Anne Mette
Alpharma (bermuda) Investments Ltd.
Smart & Biggar
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