Syngenta Participations Ag

Syngenta Crop Protection, Inc.

Syngenta Crop Protection Ag

Raphael Dumeunier

Tomas Smejkal

Edouard Godineau

Stephan Trah

Anthony Cornelius O'Sullivan

Sebastian Volker Wendeborn

Thomas Pitterna

Peter Maienfisch

Hans Tobler

Clemens Lamberth

Ottmar Franz Hueter

Andre Jeanguenat

Renaud Beaudegnies

André Jeanguenat

Olivier Loiseleur

Martin Pouliot

Helmars Smits

Regis Jean Georges Mondiere

Torsten Luksch

Thomas Vettiger

Mattia Riccardo Monaco

Michael Rommel

Nicolas Fedou

Florian Schleth

Philip Wege

Mark Hoppe

Jilali Kessabi

Brijnandan Premnath Mishra

Hannes Nussbaumer

Vijayagopal Raman Gopalsamuthiram

Alexander Gaspers

Anthony Cornelius O'sullivan

Sebastian Wendeborn

The present inventions concerns use of a specific methoxyacrylate compound to control mosquitoes, and vector control products comprising that methoxyacrylate compound, in particular the invention relates to a substrate, to a composition, for controlling mosquitoes, and to a specific methoxyacrylate compound, processes for the synthesis of mosquitocidal methoxyacrylate compounds and new intermediates.

Vector control compositions, methods and products utilizing same

The present invention relates to a process for the preparation of enantiomerically and diastereomerically enriched cyclobutane amines and amides by reacting (a) cyclopropylcarbonitrile to a cyclopropylcarbaldehyde, (b) further reacting to a cyclobutanone, or (d') further reacting to an enamide, (c) further reacting to enantiomerically and diastereomerically enriched cyclobutane amines, or (d) further reacting to an enamide and (e) to an enantiomerically and diastereomerically enriched cyclobutylamide to obtain (f) an enantiomerically and diastereomerically enriched cyclobutane amine, and (g) further reacting to an enantiomerically and diastereomerically enriched cyclobutane amide.

Process for the preparation of enantiomerically and diastereomerically enriched cyclobutane amines and amides

Compounds of the formula (I), in which the substituents are as defined in claim, are suitable for use as nematicides. 

4-membered ring carboxamides used as nematicides

The present invention relates to a process for the enantioselective preparation of the compound of formula (Ib), which process comprises a) reducing the (E)- or (Z)-form of a compound of formula (II), with an enantioselective reagent to a compound of formula (IIIa), and b) acylating the compound of formula (IIIa) with the compound of formula (IV), or c) coupling the compound of formula (IV) with the compound of formula (II), to give a compound of formula (V) and d) reducing compound of formula (V) in the presence of hydrogen, a catalyst and a chiral ligand, to the compound of formula (Ib). 

Process for the stereoselective preparation of a pyrazole-carboxamide

The invention relates to a process for the preparation of the compound of formula (I), which process comprises a) reacting a compound of formula (II), wherein X is chloro or bromo, with an organometallic species in an inert atmosphere to a halobenzyne of formula (X), reacting the halobenzyne of formula X so formed with cyclopentadiene to (III), b) reacting III in the presence of an inert solvent with an oxidant to (IV), c) reacting IV in the presence of a Lewis acid and a hydride source to (V), d) reacting V in the presence of an oxidizing agent, a base and an inert solvent to (VI), e) converting VI in the presence of a phosphane and CClor CHClto (VII), and either f1) reacting VII with NHin the presence of a catalyst to the compound of formula (VIII); and g) reacting VIII in the presence of a base with a compound of formula (IX), to the compound of formula (I); or f2) reacting the compound of formula (VII), in the presence of a solvent, a base, a copper catalyst and at least one ligand with the compound of formula (IXa), to the compound of formula (I). 

Process for the preparation of pyrazole carboxylic acid amides

The invention relates to a process for the preparation of formula (I), which process comprises a) reacting the compound (II), with cyclopentadiene to (III); b) reacting this compound in the presence of an oxidant to the compound of formula (IV); c) hydrogenating this compound in the presence of a metal catalyst and an inert solvent under hydrogen atmosphere to the compound of formula (V); d) reacting this compound in the presence of a Br&#xf6;nsted acid followed by a reducing agent to the compound of formula (VI); e) reacting VI with a compound (VII), in the presence of a base to a compound of formula (VIII); f) converting the compound of formula VIII in the presence of an oxidizing agent to the compound of formula (IX); and g) reacting the compound of formula IX in the presence of triphenylphosphane/carbon tetrachloride or riphenylphosphane/bromotrichloromethane to the compound of formula I.

The present invention relates to novel pyridazine derivatives of formula (I) as active ingredients which have microbiocidal activity, in particular fungicidal activity: wherein Ris methyl, ethyl or isopropyl; Ris chloro, fluoro, hydroxy or C-Calkoxy; Ris H, chloro, fluoro, methoxy or C-Calkyl; Ris chloro, fluoro or bromo; and Ris H, fluoro or methoxy; or an agrochemically usable salt form thereof; with the proviso that when Ris methyl, Ris chloro and Ris H, then Ror Ris different from fluoro. 

Pyridazine fungicides

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Stein, Switzerland

Raphael Dumeunier