Salts of avermectins substituted in the 4"-position and...

C - Chemistry – Metallurgy – 07 – H

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C07H 19/01 (2006.01) A01N 43/90 (2006.01)

Patent

CA 2438202

A compound of formula (see formula I) wherein X- is an anion; n is 1, 2, 3 or 4; R, is C1-C12alkyl, C3-C8cycloalkyl; or C2-C12alkenyl; R2 is hydrogen, unsubstituted or substituted C1-C12alkyl or C2-C12alkenyl; R3 is hydrogen, unsubstituted or substituted C1-C12alkyl, C3-C12cycloalkyl, C2-C12alkenyl; or C2-C12alkynyl; or R2 and R3 together are an alkylene or alkenylene bridge; and, where applicable, E/Z isomers, E/Z isomeric mixtures and/or tautomers, with the proviso that R1 is not sec-butyl or isopropyl when R2 is H and R3 is methyl; and, where applicable, their possible tautomers; a process for the preparation of those compounds and their tautomers and the use thereof; pesticidal compositions in which the active ingredient has been selected from those compounds and their tautomers; and a process for the preparation of those compositions and the use thereof; intermediates, in free form or in salt form, for the preparation of those compounds and, where applicable, their tautomers, in free form or in salt form, are described.

Cette invention concerne un composé représenté par la formule (I) dans laquelle X?-¿ est un anion; n vaut 1, 2, 3 ou 4; R¿1? est alkyle en C¿1?-C¿12?, cycloalkyle en C¿3?-C¿8?; ou alcényle en C¿2?-C¿12?; R¿2? est hydrogène, alkyle en C¿1?-C¿12? ou alcényle en C¿2?-C¿12?, substitué ou non substitué; R¿3? est hydrogène, alkyle en C¿1?-C¿12?, cycloalkyle en C¿3?-C¿12?, alcényle en C¿2?-C¿12? ou alkynyle en C¿2?-C¿12?, substitué ou non substitué; ou R¿2? et R¿3? pris ensemble forment un pont alkylène ou alkénylène; et, le cas échéant, des isomères E/Z, des mélanges isomères E/Z et/ou des tautomères, à condition que R¿1? Ne soit pas sec-butyle ou isopropyle lorsque R¿2? est H et R¿3? est méthyle; et, le cas échéant, leurs éventuels tautomères. L'invention concerne la préparation de ces composés et de leurs tautomères ainsi que leur utilisation; des compositions pesticides dans lesquels le principe actif a été choisi parmi ces composés et leurs tautomères, et leur utilisation; des intermédiaires, sous forme libre ou son forme de sels, pour la préparation de ces composés et, le cas échéant, de leurs tautomères, sous forme libre ou sous forme de sels.

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