Novel .beta.-methoxy acrylic acid derivatives, method for...

C - Chemistry – Metallurgy – 07 – F

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C07F 7/08 (2006.01) A01N 55/00 (2006.01) A01N 55/10 (2006.01)

Patent

CA 2218745

Products of formula (I), wherein each of R¿1?, R¿2? and R¿3?, which are the same or different, is an alkenyl, alkynyl or straight, branched or cyclic alkyl radical containing up to 8 carbon atoms and being optionally substituted by one or more halogen atoms, an aryl radical optionally substituted by one or more halogen atoms, one or more hydroxyl radicals, one or more straight or branched alkyl radicals optionally substituted by one or more halogen atoms, or one or more O-alkyl or S-alkyl radicals optionally substituted by one or more halogen atoms; X is a hydrogen atom, a halogen atom, an alkyl, alkenyl, alkynyl, O-alkyl, O-alkenyl, O-alkynyl, S-alkyl, S-alkenyl or S-alkynyl radical, optionally substituted by one or more halogen atoms and containing up to 11 carbon atoms, an aryl radical containing up to 14 carbon atoms, or a radical C?N, NO¿2?, NH¿2?, (a), CO¿2?alc¿3?, alc¿1?, alc¿2? or alc¿3?, which are the same or different and are an alkyl radical containing up to 8 carbon atoms; and R¿4? is as defined above for X, except for hydrogen.

L'invention a pour objet les produits de formule (I) dans lesquels: R1, R2 et R3 identiques ou différents représentent un radical alkyle linéaire, ramifié ou cyclique, alkényle ou alkynyle, renfermant jusqu'à 8 atomes de carbone, éventuellement substitué par un ou plusieurs atomes d'halogène, un radical aryle éventuellement substitué par un ou plusieurs atomes d'halogène, un ou plusieurs radicaux hydroxyle, un ou plusieurs radicaux alkyle, linéaires ou ramifiés, éventuellement substitués par un ou plusieurs atomes d'halogène, un ou plusieurs radicaux O-alkyle ou S-alkyle éventuellement substitués par un ou plusieurs atomes d'halogène; X représente un atome d'hydrogène, un atome d'halogène, un radical alkyle, alkényle, alkynyle, O-alkyle, O-alkényle, O- alkynyle, S-alkyle, S-alkényle ou S-alkynyle, éventuellement substitués par un ou plusieurs atomes d'halogène et renfermant jusqu'à 11 atomes de carbone, un radical aryle renfermant jusqu'à 14 atomes de carbone, un radical CN, NO2, NH2, (a), CO2alc3, alc1, alc2 et alc3, identiques ou différents l'un de l'autre, représentant un radical alkyle renfermant jusqu'à 8 atomes de carbone; R4 représente l'une des valeurs indiquées ci-dessus pour X à l'exception de l'hydrogène.

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