Patent · US Expired

Herbicidal 3-(3,4,5,6-tetrahydrophthalimido)-cinnamic esters

US5296452A · kind A · utility

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4Claims

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Assignee

BASF SE

Inventors

Lothar Rueb · Speyer, DE
Karl Eicken · Monsheim, DE
Karl-Otto Westphalen · Speyer, DE
Bruno Wuerzer · Otterstadt, DE

Key dates

Filing date	May 18, 1990
Grant date	Mar 22, 1994
Priority date	—
Expiry date	May 18, 2010

Classification

Technology area (CPC A)Human Necessities
CPC primaryA01N37/46
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

3-(N-3,4,5,6-Tetrahydrophthalimido)-cinnamic esters of the general formula I ##STR1## where n is 1 or 2 and the substituents have the following meanings: PA0 R.sup.1 is hydrogen or fluorine, PA0 R.sup.2 is halogen, PA0 R.sup.3 is hydrogen, halogen or C.sub.1 -C.sub.4 -alkyl, PA0 R.sup.4 is hydrogen, substituted or unsubstituted C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.7 -cycloalkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl or benzyl, PA0 R is C.sub.1 -C.sub.4 -alkyl, processes for their manufacture, and herbicidal agents containing them.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.