Bonjour à tous,
Je travaille actuellement sur un exposé en biochimie sur le Baclofène (medicament myo-relaxant) dans le cadre des mes études en médecine vétérinaire.
J'ai un soucis pour la synthèse du médicament, j'ai l'information mais elle est en anglais et je suis incapable de retrouver les nomenclature correcte correspondante en français, pourriez-vous m'aider?
Voici le paragraphe :
Baclofen can be synthesized in two ways. According to the first, 4-chlorobenzaldehyde is condensed with two moles of acetoacetic ester, giving the product, which initially undergoes alkaline hydrolysis and decarboxylation forming 3-(4-chlorphenyl)glutaric acid. Dehydration of this gives 3-(4-chlorophenyl)glutaric acid anhydride, and further treatment with ammonia gives the corresponding glutarimide. Reacting this with an alkaline solution of a halogen (Hofmann rearrangement) gives baclofen.
The second way of synthesizing baclofen is started from ethyl ester of 4-chlorocinnamic acid. Adding nitromethane to this in the presence of base gives ethyl ester of β-(4-chlorophenyl)-γ-nitrobutyric acid, the nitro group of which is reduced by hydrogen over Raney nickel to the ethyl ester of β-(4-chlorophenyl)-γ-aminobutyric acid, which is further hydrolyzed into the desired baclofen.
Merci beaucoup
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