Schering Aktiengesellschaft

Kurt Roder

Ernst A Pieroh

Ludwig Nusslein

Reinhold Puttner

New 1,3,4-thiadiazoles substituted in the 2 and 5 positions for use as soil and seed fungicides, nematocides and the processes therefor.

2-Trichloromethyl-5-methylsulfinyl-1,3,4-thiadiazole

The specification discloses the preparation and use, as fungicides and nematocides, of 2,5-substituted-1,3,4-thiadiazoles having the structure: ##STR1## wherein R.sub.1 is a lower haloalkyl and R.sub.2 is an aliphatic hydrocarbon. The instant invention is directed to methods for the control of fungi and nematodes in soil and seeds and to compounds useful in such methods. In another aspect, the invention is concerned with the preparation of 2,5-substituted-1,3,4-thiadiazoles and formulation for agricultural use in which such compounds are the principal biocidal ingredient.

2,5-Substituted-1,3,4-thiadiazoles as fungicides

The specification discloses esters of benzimidazole-1-carboximidic acids having antifungal properties and the use of these compounds for the protection of crops and plants from attack by fungi.

Growing community of inventors

Berlin, Germany

Kurt Roder