Sulfonylureas

US4690707A · kind A · utility

Assignee

• Ciba-Geigy · US

Inventors

• Werner Fory · Riehen, CH
• Karl Gass · Magden, CH
• Willy Meyer · Riehen, CH

Key dates

• Filing date: Oct 4, 1985
• Grant date: Sep 1, 1987
• Expiry date: Oct 4, 2005

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D521/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to N-pyridylsulfonyl-N'-pyrimidinyl- and -N'-triazinylureas of the formula I ##STR1## wherein A is a C.sub.3 -C.sub.6 alkynyl radical, a C.sub.1 -C.sub.6 alkyl radical which is substituted by halogen, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 alkylsulfinyl, C.sub.1 -C.sub.4 alkylsulfonyl, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 haloalkylthio, C.sub.1 -C.sub.4 haloalkylsulfinyl or C.sub.1 -C.sub.4 haloalkylsulfonyl, or is a C.sub.2 -C.sub.4 alkenyl radical which is unsubstituted or substituted as for C.sub.1 -C.sub.6 alkyl, or is a phenyl radical which is unsubstituted or substituted by halogen, cyano, nitro, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, an --X--C.sub.1 --C.sub.4 --alkyl, C.sub.1 -C.sub.4 alkoxycarbonyl, amino, mono- or di-(C.sub.1 -C.sub.4 alkyl)amino, carbamoyl, mono- or di-(C.sub.1 -C.sub.4 alkyl)carbamoyl, sulfamoyl, mono- or di-(C.sub.1 -C.sub.4 alkyl)sulfamoyl radical or PA0 A--X-- forms an amino radical --NR.sub.6 R.sub.7, PA0 E is the methine group or nitrogen, PA0 R.sub.1 is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 haloalkoxy…