Synthesis of fused pyrrolecarboxamides

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 209/42 (2006.01) A61K 31/40 (2006.01) C07D 209/52 (2006.01) C07D 307/84 (2006.01) C07D 307/93 (2006.01) C07D 401/12 (2006.01) C07D 405/12 (2006.01)

Patent

CA 2430841

A method for preparing particular pyrrole-carboxamides which selectively bind to GABAa receptors; which comprises reacting 1,3-cycloalkanediones with bromoethylacetate followed by reaction of the resulting product with an acid halide followed by reaction with an aromatic amine and finally with an amonium source at an elevated temperature.

L'invention porte sur une méthode de préparation de pyrrolescarboxamides particuliers liés, de manière sélective, à des récepteurs GABAa et consistant à faire réagir des 1, 3 cycloalkanédiones avec du brométhylacétate suivi par la réaction du produit obtenu avec un haloïde acide et suivi par la réaction avec une amine aromatique et finalement avec une source d'ammonium à une température élevée.

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