C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 409/06 (2006.01) C07D 211/66 (2006.01) C07D 401/06 (2006.01) C07D 491/10 (2006.01)
Patent
CA 2167912
A piperidine derivative such as sufentanil is formed in a process which includes dichloro carbene addition to 4-piperidone and subsequent aminolysis to form a 4-amino-4-carbamoyl piperidine (Formula 1).
Un dérivé de pipéridine, tel que le sufentanil, est obtenu dans un procédé consistant à ajouter du dichlorocarbène à 4-pipéridone et à effectuer ensuite une aminolyse pour obtenir une 4-amino-4-carbamoyle pipéridine (formule 1).
Mallinckrodt Inc.
Osler Hoskin & Harcourt Llp
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