Abstract: Use of substituted 2,3-dihydro-1-benzofuran-4-carboxylic acids of the general formula (I) or salts thereof where the radicals in the general formula (I) are as defined in the description, for increasing stress tolerance in plants with respect to abiotic stress, for enhancing plant growth and/or for increasing plant yield, and specific processes for preparing the aforementioned compounds.

Abstract: Use of substituted isoquinolinones, isoquinolinediones, isoquinolinetriones and dihydroisoquinolinones of the general formula (I) or their respective salts where the radicals in the general formula (I) correspond to the definitions given in the description, for enhancing stress tolerance in plants to abiotic stress, for strengthening plant growth and/or for increasing plant yield, and selected processes for preparing the compounds mentioned above.

Abstract: The use of substituted fused pyrimidinones and dihydropyrimidinones of the formula (I) or salts thereof where the radicals of the formula (I) are each as defined in the description, for enhancing stress tolerance in plants to abiotic stress, and for invigorating plant growth and/or for increasing plant yield.

Abstract: Use of substituted isoquinolinones, isoquinolinediones, isoquinolinetriones and dihydroisoquinolinones of the general formula (I) or their respective salts where the radicals in the general formula (I) correspond to the definitions given in the description, for enhancing stress tolerance in plants to abiotic stress, for strengthening plant growth and/or for increasing plant yield, and selected processes for preparing the compounds mentioned above.

Abstract: Substituted (3R,4R)-4-cyano-3,4-diphenylbutanoates, processes for their preparation and their use as herbicides and plant growth regulators Compounds of the formula (I) or salts thereof and salts thereof, in each case in the optically active (3R,4R)-threo form, R1 is hydrogen or a hydrolyzable radical, and (R2)n, (R3)m, n and m are as defined in formula (I) according to claim 1, where the stereochemical configuration at the carbon atom in position 3 of the butanoic acid derivative has a stereochemical purity of 60 to 100% (R), preferably 70 to 100% (R), more preferably 80 to 100% (R), in particular 90 to 100% (R), based on the mixture of threo enantiomers present, and the stereochemical configuration at the carbon atom in position 4 of the butanoic acid derivative has a stereochemical purity of 60 to 100% (R), preferably 70 to 100% (R), more preferably 80 to 100% (R), in particular 90 to 100% (R), based on the mixture of threo enantiomers present, are suitable for use as herbicides and growth regulat

Abstract: The use of substituted fused pyrimidinones and dihydropyrimidinones of the formula (I) or salts thereof where the radicals of the formula (I) are each as defined in the description, for enhancing stress tolerance in plants to abiotic stress, and for invigorating plant growth and/or for increasing plant yield.

Abstract: The invention relates to derivatives of (1-cyanocyclopropyl)phenylphosphinic acid of the formula (I) and to salts thereof, of the formula (II), for enhancing stress tolerance in plants to abiotic stress, preferably to drought stress, especially for enhancing plant growth and/or for increasing plant yield.

Abstract: Use of fluoroalkyl-substituted 2-amidobenzimidazoles of the formula (I), or salts thereof, for enhancing stress tolerance in plants to abiotic stress, especially for strengthening plant growth and/or for increasing plant yield, and selected processes for preparing such fluoroalkyl-substituted 2-amidobenzimidazoles of the formula (I).

Abstract: There are described herbicidal compositions comprising herbicidal compounds of the formula I and a safener-active compound of the formula II or III In formulae I, II and III, the symbols R1 to R10 are hydrogen, halogen and various organic radicals.

Abstract: There are described herbicidal compositions comprising herbicidal compounds of the formula I and a safener-active compound of the formula II or III 1

Abstract: Combinations of active substances of the formula (I) ##STR1## (i.e., sulcotrione), with herbicides from the group comprising fenoxaprop-ethyl, fenoxaprop-P-ethyl, quinchlorac, molinate, thiobencarb, butachlor, pretilachlor, mefenacet, esprocarb, dimepiperate, HW-52, cinmethylin, anilophos, benfuresate, triazofenamide, benzofenap, pyrazoxyfen and TFH-450, have advantages on application, for example a synergistic increase in action, in particular in the case of important weeds in cereals, maize and rice.

Abstract: Optically active, cyclic (2S)- and (2R)-.omega.

Abstract: Optically active .omega.-halo-2-aminoalkanecarboxylic acid derivatives, process for the preparation thereof and their use for the preparation of optically active phosphorus-containing .alpha.-amino acidsOptically active, cyclic (2S)- and (2R)-.omega.-halo-2-aminoalkanecarboxylic acid derivatives of the formula I and mixtures thereof, ##STR1## in which R.sub.1 is (C.sub.1 -C.sub.6)alkyl which is unsubstituted or substituted by hydroxyl, alkoxy, alkylcarbonyl and/or alkoxycarbonyl; or is alkenyl, alkynyl, R.sub.2 --CO-- or R.sub.3 --SO.sub.2 --,R.sub.2 is (C.sub.1 -C.sub.11)alkyl, (substituted) (C.sub.6 -C.sub.13)aryl, (C.sub.1 -C.sub.6)alkoxy or (substituted) (C.sub.6 -C.sub.13)aryl (C.sub.1 -C.sub.6)alkoxy,R.sub.3 is (C.sub.1 -C.sub.4)alkyl or (substituted) phenyl,X halogen andn is zero or one, are suitable starting materials for the preparation of a multiplicity of biologically active substances.They can be prepared by reaction of diacyl peroxides of the formula [R--CO--O--].sub.

Abstract: Process for the preparation of optically active 4-(phosphinoethyl)-1,3-oxazolidin-5-one derivatives.The invention relates to a process for preparing optically active compounds of formula (IV) ##STR1## in which the radicals R.sub.1, R.sub.2, R.sub.3 ', R.sub.7, n and m are as defined in the main claim,which comprises reacting a compound of formula (II) ##STR2## with a compound of formula (III) ##STR3## in the presence of catalytical amounts of a radical former.

Abstract: Combinations of active substances of the formula (I) ##STR1## where R.sup.1 is halogen, lower alkoxy, alkyl or haloalkyl, NO.sub.2, CN, (S(O).sub.n R.sup.10 [sic],R.sup.2 and R.sup.3 are H, halogen, lower alkyl, alkoxy, haloalkoxy or haloalkyl, CN, NO.sub.2, S(O).sub.m R.sup.11, NR.sup.11 R.sup.13, NR.sup.14 --COR.sup.15, CO--R.sup.16,R.sup.4 and R.sup.6 -R.sup.9 are H or lower alkyl,R.sup.5 is H, lower alkyl or alkyl--O--CO--,R.sup.10 is lower alkyl, haloalkyl or alkoxy,R.sup.11 is lower alkyl or haloalkyl or phenyl, benzyl or NR.sup.17 R.sup.18,R.sup.12 and R.sup.13 are H or lower alkyl,R.sup.14 is H or lower alkyl,R.sup.15 is lower alkyl,R.sup.16 is H, lower alkyl, haloalkyl or alkoxy,R.sup.17 and R.sup.18 are H or lower alkyl,n and m in each case are 0 to 2, with herbicides from the group comprising fenoxaprop-ethyl, fenoxaprop-P-ethyl, quinchlorac, molinate, thiobencarb, butachlor, pretilachlor, mefenacet, esprocarb, dimepiperate, HW-52; cinmethylin, anilophos, benfuresate, triazofenamide,.

Abstract: Herbicide/safener combinations ofA) herbicides selected from the group of the 2-acylated 1,3-dicarbonyl compounds or salts thereof, andB) safeners B1 and/or B2 ##STR1## as they are defined in claim 1, are suitable for controlling harmful plants in crops such as cereals, maize and rice.

Abstract: A compound of the formula (IV) ##STR1## in which R.sub.1 and R.sub.2, independently of one another, are hydrogen, (C.sub.1 -C.sub.6)-alkyl which is unsubstituted, monosubstituted or polysubstituted by halogen or (C.sub.6 -C.sub.10)-aryl, or are (C.sub.3 -C.sub.10)-cycloalkyl,R.sub.3 is (C.sub.1 -C.sub.6)-alkyl which is unsubstituted, monosubstituted or polysubstituted by halogen and monosubstituted by hydroxyl or which is monosubstituted by hydroxyl, or is (C.sub.1 -C.sub.10)-acyl which can be monosubstituted or polysubstituted by halogen or (C.sub.1 -C.sub.6)-alkyl, or can be monosubstituted by (C.sub.6 -C.sub.10)-aryl, (C.sub.1 -C.sub.6)-alkoxy or (C.sub.1 -C.sub.6)-alkoxy which is substituted by (C.sub.6 -C.sub.13)-aryl,R.sub.7 is hydrogen, (C.sub.1 -C.sub.5)-alkyl which can be monosubstituted or polysubstituted by halogen,n is the number 0 or 1, with the exception that R.sub.1 is not hydrogen if n is 1, andm is the number 0 if R.sub.2 is not hydrogen, or is 1.

Abstract: Compounds of the formula I ##STR1## where R.sup.1 to R.sup.9 are as defined in claim 1 are known as herbicides. When these compounds are applied in traditionally used amounts, this often results in damage to crop plants in the crops, when it is desired to achieve sufficient action against weeds typically occurring therein. However, according to the invention it is possible to reduce the application rates to 0.001 to 0.5 kg of a.i./ha in rice growing, and the action obtained against important harmful plants in rice from the species Sagittaria, Cyperus and Scirpus Eleocharis is nevertheless sufficient.

Abstract: .alpha.-Amino-.gamma.-butyrolactones (homoserine lactones) are a central structural element in many biologically active compounds. The known syntheses for the preparation of optically active homoserine lactones from D- or L-methionine and D- or L-aspartic acid derivatives have disadvantages. Homoserine lactones I and their salts can be prepared enantioselectively according to the invention by catalytic hydrogenation of aldehydes II ##STR1## where R in the formulae is hydrogen, alkyl, alkenyl, alkynyl, it being possible for the aforementioned three radicals to have hetero atoms in the chain, alkylcarbonyl, alkoxycarbonyl, alkylsulfonyl, benzyl, benzyloxycarbonyl, aryloxycarbonyl or arylsulfonyl, it being possible for the four last-mentioned radicals to be optionally substituted in the aryl moiety.

Abstract: The process for the preparation of L-phosphinothricine (derivatives) by homogeneous asymmetric hydrogenation of 2,3-dehydrophospinothricine (derivatives) by means of suitable ruthenium, rhodium or iridium catalysts.