Fungicidal 2,5-disubstituted 1,3,4-thiadiazoles

US4992456A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Hans-Joachim Diehr · Wuppertal, DE
• Albrecht Marhold · Leverkusen, DE
• Wilhelm Brandes · Leichlingen, DE
• Gerd Hanssler · Leverkusen, DE

Key dates

• Filing date: Nov 1, 1989
• Grant date: Feb 12, 1991
• Expiry date: Nov 1, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D417/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Fungicidal 2,5-disubstituted 1,3,4-thiadiazoles of the formula ##STR1## in which R.sup.1 represents alkyl or unsubstituted or substituted aralkyl and PA1 R.sup.2 represents in each case unsubstituted or substituted aryl or aralkyl, or represents an unsubstituted or substituted and optionally benzo-fused heterocyclic radical, excluding the compound 2,5-bis[(phenylmethyl)-sulphonyl]-1,3,4-thiadiazole.