Avermectin B1 derivatives having an aminosulfonyloxy...

Details Avermectin B1 derivatives having an aminosulfonyloxy... Avermectin B1 derivatives having an aminosulfonyloxy...

2005-08-23

2005-08-23

Pryor, Alton (Department: 1616)

Plant protecting and regulating compositions

Seed coated with agricultural chemicals other than fertilizers

C504S140000, C504S208000, C514S183000, C549S354000

Reexamination Certificate

active

06933260

ABSTRACT:
A compound of formula (I) wherein the bond marked by formula (II) indicates either the S or the R isomer at the 4″-position; and wherein R1is C1-C12alkyl, C3-C8cycloalkyl; or C2-C12alkenyl; R2is, for example, hydrogen, unsubstituted or mono- to penta-substituted C1-C12alkyl or unsubstituted or mono- to penta-substituted C2-C12alkenyl; R3is, for example, hydrogen, C1-C12alkyl, mono- to penta-substituted C1-C12alkyl, unsubstituted or mono- to penta-substituted C3-C12cycloalkyl, or unsubstituted or mono- to penta-substituted C2-C12alkenyl; and wherein the substituents of the alkyl, alkenyl, alkynyl, alkylene, alkenylene and cycloalkyl radicals defined under R2and R3are selected, for example, from the group consisting of OH, halogen, halo-C1-C2alkyl, CN, NO2and C2-C6alkynyl; and, where applicable, E/Z isomers, mixtures of E/Z isomers and/or tautomers, in each case in free form or in salt form; a process for the preparation of and the use of those compounds, their isomers and tautomers; starting materials for the preparation of the compounds of formula (I); pesticidal compositions in which the active ingredient has been selected from those compounds and their tautomers; and a method of controlling pests using those compositions are described.

REFERENCES:
patent: 4427663 (1984-01-01), Mrozik
Mrozik H et al.: “4-deoxy-r-aminoavermectins with potent broad spectrum antiparasitic activities” Bioorganic & Medicinal Chemistry Letters, Oxford, GB, vol. 5, No. 20, (Oct. 19, 1995), pp. 2435-2440, ISSN: 0960-894X.

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