Substituted pentenoic acid, process for preparing the same...

C - Chemistry – Metallurgy – 07 – C

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C07C 59/74 (2006.01) C07D 307/33 (2006.01) C07D 307/93 (2006.01)

Patent

CA 1142958

PRECIS DE LA DIVULGATION: L'invention concerne l'acide 3-formyl 4-méthyl pent-3-èn l-oïque de formule générale (I): Image (I) son procédé de préparation à partir d'un dérivé propanique de formule (II): Image (II) où Z est un groupement électroattracteur et d'un dérivé furanique de formule (III): Image (III) où R est le reste d'un alcool R-OH, son application à la préparation de composés de formule (V): Image (V) où W est un atome d'hydrogène ou le reste R1 d'un alcool R1OH ainsi que les composés nouveaux obtenus au cours de la synthèse.

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