Hoechst Aktiengesellschaft

Cassella Aktiengesellschaft

Reinhard Handte

Hermann Bieringer

Hilmar Mildenberger

Klaus Bauer

Helmut Burstell

Peter Langeluddeke

Gerhard Horlein

Roland Schmierer

Helmut Kocher

Lothar Willms

Hans J Nestler

Erich Sohn

Friedhelm Schwerdtle

Rainer Liebl

Manfred Koch

Thomas Tammer

Peter Frisch

Burkhard Sachse

Harald Knorr

Rolf Muller

Johannes Becherer

Ulrich Kussmaul

Jurgen Sander

Ernst Blume

Ernst-Friedrich Schulze

Karl Matterstock

Heinrich Leditschke

Opticalls active enantiomers of the formula I ##STR1## where R is a group of the formulae ##STR2## R.sub.1 and R.sub.2, among others, are halogen or CF.sub.3 and Z is a carboxyl, carboxylate, carboxylic acid ester, thioester, carbonamide, carboxylic acid anilide, carbohydrazide or thioamide group, are interesting herbicides the effect of which is considerably superior to that of the optically inactive racemates.

Optically active D-pyridyloxy phenoxy propionate herbicides

Optically active enantiomers of the formula I ##STR1## where R is a group of the formulae ##STR2## R.sub.1 and R.sub.2, among others, are halogen or CF.sub.3 and Z is a carboxyl, carboxylate, carboxylic acid ester, thioester, carbonamide, carboxylic acid anilide, carbohydrazide or thioamide group, are interesting herbicides the effect of which is considerably superior to that of the optically inactive racemates.

Optically active herbicidal

Compounds of the formula I ##STR1## in which R denotes halogen, hydroxyl, cyano, nitro, (substituted) alkyl, (substituted) alkoxy, (halo)alkylthio, carboxyl, alkoxycarbonyl; (halo)alkylsulf(inyl) (onyl) or -(onyloxy); (halo)phenyl or (halo)phenoxy; X in the 3- or 5-position denotes a (thio)carboxylic acid--or an optionally heterocyclic radical which is derived therefrom; Y denotes halogen, m denotes the number 0 or 1, and n denotes a number from 0 to 5, have valuable plant growth-regulating properties and are suitable, in addition, as safeners for protecting crop plants against phytotoxic side effects of herbicides.

Phenylpyrazolecarboxylic acid derivative preparation

Compounds of the formula ##STR1## in which R.sub.n denotes hydrogen, halogen or alkyl, Z denotes oxygen or sulfur, R.sup.1 and R.sup.2, independently of one another, denote hydrogen, alkyl, alkoxyalkyl, haloalkyl or phenalkyl, or, together, denote a (optionally substituted) C.sub.2 -C.sub.4 -alkylene bridge, and R.sup.3 denotes hydrogen or alkyl, are effective antidotes for protecting crop plants against phytotoxic side effects of herbicides.

Novel quinolinoxy compounds, a process for their preparation, and their

Compounds of the formula I ##STR1## in which R denotes halogen, hydroxyl, cyano, nitro, (substituted) alkyl, (substituted) alkoxy, (halo)alkylthio, carboxyl, alkoxycarbonyl; (halo)alkylsulf(inyl)(onyl) or -(onyloxy); (halo)phenyl or (halo)phenoxy; X in the 3- or 5-position denotes a (thio)carboxylic acid--or an optionally heterocyclic radical which is derived therefrom; Y denotes halogen, m denotes the number 0 or 1, and n denotes a number from 0 to 5, have valuable plant growth-regulating properties and are suitable, in addition, as safeners for protecting crop plants against phytotoxic side effects of herbicides.

Phenylpyrazolecarboxylic acid derivatives, their preparation, and their

The compounds of the formula I ##STR1## wherein R denotes (substituted) phenyl, (substituted) cyclohexyl or (substituted) cyclohexenyl,

1,2,5-Substituted imidazole compounds and their use as growth regulators

The compounds of the formula (I) ##STR1## in which R.sup.1 denotes (C.sub.1 -C.sub.3)alkyl and R.sup.2 denotes H, methyl or halogen, and salts thereof have excellent actions as plant growth regulators, in particular in rice crops.

1-phenylimidazolecarboxylic acid amides and their use as growth

The compounds of formula I ##STR1## in which the substituents X, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, and R.sup.6, are defined hereinbelow. The compounds have advantageous herbicidal properties and are useful, for example, for combating undesired plants.

Herbicidal derivatives of imidazolidinone and imidazolidine thione

The new compounds of the formula I or salts thereof ##STR1## in which R denotes a (substituted) cyclohexyl radical or a (substituted) cyclohexenyl radical; and Y denotes cyano, a (substituted) (di)(thio)carboxylic acid (ester), carboxamide or acetal radical, a keto or oxime radical or a heterocyclic radical, possess an advantageous action as plant growth-regulators and, in addition, have favorable herbicidal and fungicidal properties.

Growth-regulating, fungicidal, and herbicidal cyclohexylimidazole and

Use of aryloxy compounds as antidotes

Compounds of the formula ##STR1## in which A denotes C-R.sup.4 or N; X denotes alkyl and Y denotes alkyl, cycloalkyl, alkenyl, alkynyl, phenyl or benzoyl, or, together with X, cycloalkyl; R.sup.1 -R.sup.4 denote H, alkyl, alkoxy, alkoxycarbonyl, halogen, NO.sub.2, CN, phenoxy or (substituted) phenyl; R.sup.5 denotes H or alkyl; and R.sup.6 denotes H, (substituted) alkyl, halogenoalkenyl, cycloalk(en)yl, alkynyl, (substituted) phenyl or carboxylic acid ester, carboxylic acid amide, sulfo-ester or acyl radicals, are effective plant treatment agents, in particular herbicides.

Isoindoles, processes for their preparation and their use as herbicidal

Compounds of the formula ##STR1## wherein A denotes N or CR.sup.4, B denotes a carboxyl, carbo-(thio) ester, (substituted) carboxamide or carboxanilide, carbohydroxy(alkoxy)-amide, (substituted) carbohydrazide or (substituted) oxazoline group, X and Y denote, inter alia, alkyl or, together, spiroalkyl, Z denotes a carbo-(di)(thio) ester, carboxyl, (substituted) (thio)-carboxamide or -carboxanilide group or the radical of a ketone-acid or of a ketone-ester and R.sup.1, R.sup.2, R.sup.3 and R.sup.4 denote H or are identical or different and denote halogen, alkyl, alkoxy, alkoxycarbonyl, halogenoalkyl, NO.sub.2, CN, (substituted) phenyl or phenoxy, or two of these radicals can form a --CH.dbd.CH--CH.dbd.CH-- group, are useful total or selective herbicides for application by the pre-emergence and, in some cases, the post-emergence method.

Herbicidal 1-acylimidazolinones

Imidazolinones of the formula ##STR1## in which A denotes N or C--R.sup.4 ; B denotes halogenoalkyl, alkoxymethyl, cyanomethyl or thiocyanatomethyl; X denotes alkyl; and Y denotes alkyl, cycloalkyl, alkenyl, phenyl or benzyl; or X and Y, together with C, denote a spiro-cycloalkyl group; Z denotes H, (substituted) alkyl, alkenyl, propargyl or an alkyl, carboxylic acid ester or sulfonic acid ester group; and R.sup.1 -R.sup.4 denote H, halogen, alkyl, alkoxy, alkoxycarbonyl, halogenoalkyl, NO.sub.2, CN, (substituted) phenoxy or (substituted) phenyl, or in each case two adjacent radicals together denote the radical --CH.dbd.CH--CH--CH--, are active herbicides and growth regulators.

Herbicidal imidazolinones

Compounds of the formula ##STR1## in which A denotes --CH.sub.2 -- or --CH(CH.sub.3)-- and Z denotes a carboxyl group or a (thio)carboxylic ester group, are effective antidotes for the herbicide Fenoxaprop-ethyl.

Use of quinolyloxy compounds as antidotes for fenoxaprop-ethyl

A process for increasing the carbohydrate accumulation in plants by application of compounds of the class of phenoxyphenoxy-, pyridyloxy-, benzoxazolyloxy-, benzothiazolyloxy-, quinolinyloxy-, quinazolinyloxy-phenoxypropionic acid derivatives or cyclohexanedione derivatives.

Growing community of inventors

Gablingen, Germany

Reinhard Handte