Process for production of phenoxy-substituted 2-pyridone...

C - Chemistry – Metallurgy – 07 – D

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C07D 213/64 (2006.01) C07D 213/69 (2006.01) C07D 401/12 (2006.01)

Patent

CA 2485542

3-Phenoxy-2-pyridone compound can be produced by making the amide compound of the formula (1): (See Formula 1) wherein R is optionally substituted phenyl; react with a malonoaldehyde derivative such as 3-alkoxypropenal and the like in the presence of a protonic acid.

On peut obtenir des composés de 3-phénoxy-pyridone en faisant réagir un amide de formule générale (I) (dans laquelle: R est un phényle facultativement substitué) avec un dérivé de maloaldhéide tel que le 3-alkoxypropénal en présence d'un acide protonique.

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