Phenylalkenylcarboxylic acids and their esters

US4933001A · kind A · utility

Assignee

• BASF SE

Inventors

• Peter Plath · Bischofswerda, DE
• Karl Eicken · Monsheim, DE
• Norbert Goetz
• Jochen Wild · Ruppertsberg, DE
• Norbert Meyer · Langenburg, DE
• Bruno Wuerzer · Otterstadt, DE

Key dates

• Filing date: Jul 11, 1988
• Grant date: Jun 12, 1990
• Expiry date: Jul 11, 2008

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N37/32
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Phenylalkenylcarboxylic acid and esters thereof of the general formula I ##STR1## where X is hydrogen or fluorine, R.sup.1 is hydrogen, C.sub.1 C.sub.6 -alkyl, C.sub.5 - or C.sub.6 -cycloalkyl, (C.sub.1 -C.sub.4 -alkoxy)-C.sub.2 -C.sub.4 -alkyl or (C.sub.1 -C.sub.4 -alkylthio)-C.sub.2 -C.sub.4 -alkyl; W is a divalent radical --CH.dbd.CR.sup.2 --; --CH.dbd.CY--; --CH.dbd.CR.sup.2 --CH.sub.2 --; --CH.dbd.CR.sup.2 --CH.dbd.CR.sup.3 -- or ##STR2## where Y is chlorine or bromine and R.sup.2 and R.sup.3 are each hydrogen or C.sub.1 -C.sub.4 -alkyl, with the proviso that X is not F when W is --CH.dbd.CR.sup.2 --, their manufacture, and their use as herbicides.