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Pré-Publication, Document De Travail Année : 2022

Amidation by Reactive Extrusion for the Synthesis of Active Pharmaceutical Ingredients Teriflunomide and Moclobemide

Résumé

The amidation reaction is a key step for the preparation of a large number of organic molecules, including active pharmaceutical ingredients (APIs), but still challenging from the point of view of its efficiency and sustainability. In this context, the solventless synthesis of an amide, starting from a carboxylic acid and an amine, was performed in a twin-screw extruder (TSE) in the presence of a coupling agent, providing a high yielding and productive method. Reaction conditions were evaluated and successfully used to prepare two APIs, teriflunomide and moclobemide. This complements the synthetic tool box of twin-screw extrusion to prepare organic molecules and opens the way to broader applications, including in an industrial perspective.

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Chimie organique
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Dates et versions

hal-03918981 , version 1 (02-01-2023)

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Matthieu Lavayssiere, Frédéric Lamaty. Amidation by Reactive Extrusion for the Synthesis of Active Pharmaceutical Ingredients Teriflunomide and Moclobemide. 2022. ⟨hal-03918981⟩
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