Abstract:
Process for preparing [3-[(6-chloro-3-pyridinyl)methyl]-2-thiazolidinylidene]cyanamide, comprising the following steps: (i) reaction of dimethyl N-cyanocarbonimidodithiocarbonate and 2-aminoethanethiol or a salt thereof in the presence of a base; (ii) reaction of the reaction mixture with 5-chloromethyl-2-chloropyridine, which does not need any purification of the cyanimino-1,3-thiazolidine intermediate.
Abstract:
The present invention relates to a catalytic process for preparing 3-triazolyl sulphoxide derivatives in enantiomerically pure or enantiomerically enriched form.
Abstract:
The present invention relates to a novel process for preparing 5-fluoro-1-alkyl-3-fluoro-1-alkyl-1H-pyrazole-4-carbonyl chlorides, a useful intermediate in the manufacture of fungicides.