C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 489/08 (2006.01)
Patent
CA 2644095
The present invention generally relates to processes for preparing highly pure morphinan-6-one products. The processes involve reducing the concentration of .alpha., .beta.-unsaturated ketone compounds present as impurities in morphinan 6 one products or reaction mixtures including morphinan 6 one compounds by treatment with a sulfur-containing compound. (A)
La présente invention concerne en général des procédés de préparation de produits à base de morphinan-6-one très pure. Les procédés comprennent la réduction de la concentration de composés de cétones alpha, bêta-insaturées présents sous forme d'impuretés dans la morphinan-6-one par un traitement avec un composé comprenant du soufre.
Aubuchon Dennis C.
Buehler Henry J.
Dummitt William E.
Gu Hong
Mannino Anthony
Mallinckrodt Inc.
Osler Hoskin & Harcourt Llp
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