Abstract: Process for the preparation of N-phenyl-N-methoxyacetyl-DL-alanine methyl ester derivatives of the formula (I). ##STR1## wherein R is a C.sub.1-4 alkyl residue; and n is a cardinal number between from 1 to 3,which comprises reacting an N-methoxyacetyl derivative of the formula (II). ##STR2## wherein R and n are as defined above, with a stoichiometric amount of an alkaline metal alkoxide, at a temperature between 80.degree. C. and 150.degree. C., until completion of the removal of the alkanol present in the system, then reacting the thus obtained alkaline metal salt of the compound of formula (II) directly or after isolation with a methyl DL-x-halopropionate.

Abstract: The invention relates to a process for preparing arylsulphonyl isocyanates of the general formula (I) ##STR1## and addition derivatives thereof--where in the formula the meaning of the substituents are as follows:Ar represents optionally substituted aryl, naphthyl- or thienyl group, andHX is a chemical bond or XZR.sub.1 stands for a group where Z is oxygen or sulphur,R.sub.1 is saturated or unsaturated alkyl, benzyl, cyclohexyl or substituted phenyl group orX is an NR.sub.2 R.sub.3 groupwherein R.sub.2 R.sub.3 is hydrogen, alkyl, unsubstituted alkyl, aryl, substituted aryl, aroyl or acyl group, and the essence of the process is that an N-halogen sulphonamidate is carbonylated in the presence of a carbonylating catalyst, in the presence or absence of alcohol, (thio) alcohol or amine reactants and the carbonylated compound obtained is reacted subsequently with the reactants.

Abstract: Herbicidal compositions comprising a substituted thiolcarbamate derivative corresponding to the formula (I) wherein R.sub.1, R.sub.2 and R.sub.3 are selected independently from alkyl groups having 1 to 4 carbon atoms and/or a chloroacetanilide derivative corresponding to the formula (II) wherein R.sub.4 and R.sub.5 are hydrogen or alkyl group having 1 to 4 carbon atoms, identical or different, R.sub.6 is an alkoxyalkyl group corresponding to the formula --R.sub.7 --O--R.sub.8 in which R.sub.7 and R.sub.8 are selected from alkyl groups having 1 to 4 carbon atoms and, as an antidote, a thiocarbamic acid derivative corresponding to the formula (III) wherein R.sub.9 and R.sub.10 independently from each other are alkyl or alkenyl group having 1 to 4 carbon atoms, or R.sub.9 and R.sub.

Abstract: The invention relates to an improvement of a process for preparing N-phosphonomethyl-glycine by oxydation of N-phosphonomethyl-imino-diacetic acid in an aqueous sulphuric acidic medium with hydrogen peroxide.A characteristic feature is using a waste acid liquor as reaction medium formed as aqueous sulphuric acid and obtained after the separation of N-phosphonomethyl-glycine when carrying out oxydation. This solution is optionally diluted with water until a concentration of 12-18 weight % of sulphuric acid and 3-5 weight % of N-phosphonomethyl-glycine.

Abstract: A process for preparing methoxyacetic acid by reacting monochloroacetic acid with sodium methylate, in a methanolic solvent at increased temperature. Methanol is distilled off and methoxyacetic acid methylester is added to the residue. The stirrable mixture is contacted with dry hydrochloric acid gas. The methoxyacetic acid methylester is distilled off after removing the precipitated sodium chloride, to recover the desired product.

Abstract: The invention relates to the preparation of N-phosphono-methyl-imino-diacetic acid from the calcium salt of imino-diacetic acid in a simplified synthesis. The process comprises in that the imino-diacetic acid calcium salt is heated with concentrated hydrochloric acid in a molar ratio of 2-3:1 at a temperature between 50.degree.-100.degree. C., the obtained imino-diacetic acid hydrogen-chloride is separated then dissolved in water and is reacted with phosphorous acid in a molar ratio of 1.0-1.2:1 calculated for imino-diacetic acid hydrogen chloride and with the aqueous solution of formaldehyde in a molar ratio of 1.0-1.4:1 under stirring, and the obtained product is isolated.

Abstract: The invention relates to the acceleration of the synthesis of unsaturated polyesters containing maleic acid/anhydride, 1 to 30 percent, preferably 5 to 15 percent of the prescribed maleic acid/anhydride is introduced into the reaction mixture in total or in two or more increments at the stage of the reaction when the acid number or the molecular weight of the mixture has reached about 50 to 250 or about 300 to 1500, respectively. Thus, the rate of polyesterification can be increased considerably, occasionally two-folds and, in addition, polyester resins of very low acid number or high molecular weight can be prepared.

Abstract: The invention relates to a composition for the extension and increase of the activity of herbicidal compositions containing as herbicidally active ingredient at least one carbamate and/or thiolcarbamate and/or chloroacetanilide and/or dichloroacetanilide derivative and optionally antidotes therefore, which comprises at least one thio- or dithiophosphoric acid ester of the formula (I) ##STR1## wherein R stands for identical or different alkyl, alkenyl, isoalkyl, isoalkenyl, haloalkyl, haloalkenyl, isohaloalkyl or isohaloalkenyl groups, each containing up to 4 carbon atoms;R' represents identical or different alkyl, alkenyl, isoalkyl, isoalkenyl, haloalkyl, haloalkenyl, isohaloalkyl, isohaloalkenyl groups, each containing up to 4 carbon atoms;X is oxygen or sulfur,X.sub.1 is oxygen or sulfur, with the proviso that at least one of the X.sub.1 groups is other than oxygen.

Abstract: The present invention relates to new compounds of the general formula (I) ##STR1## wherein R stands for hydrogen, C.sub.1-8 straight or branched chained alkyl, C.sub.1-4 haloalkyl, C.sub.1-4 alkoxy-C.sub.1-2 alkyl,R.sup.1 stands for 2,3-dihydro-2,2-dimethyl-benzofuran-7-yl, 4-methyl-coumarin-7-yl, 2,2,4-trimethyl-(2H)-chromen-5-yl or 2,2,4-trimethyl-(2H)-chromen-7-yl and Me stands for a monovalent cation and represents the salt of the acid.The new compounds show plant growth regulating activity and can be used as active ingredient of plant growth regulators.

Abstract: A new and improved herbicidal and plant growth regulating composition, and the method of manufacturing that composition. The new complex composition of the invention is an inclusion complex of one more benzene sulphonyl urea derivative of the general formula (II) ##STR1## and two or more moles of beta cyclodextrine of the formula (I).

Abstract: The invention concerns herbicidal compositions comprising an active herbicidal compound of the thiolcarbamate, substituted urea, substituted triazine or chloroacetanilide type or optional mixtures thereof, and an antidote therefor having the general formula I ##STR1## wherein X.sup.1 represents oxygen, sulphur or nitrogen;n.sub.1 is 0 or 1;X.sup.2 and X.sup.3 which may be the same or different, each represent hydroxyl, alkoxy having 1 to 5 carbon atoms, alkenyloxy having 2 to 5 carbon atoms, amino, alkylamino having 1 to 4 carbon atoms or 2,2-dimethyl-1,3-oxazolidinyl;n.sub.2 is 0 or 1; andZ represents alkylene having 1 to 4 carbon atoms, alkenylene having 2 to 4 carbon atoms, phenylene, tetrahydrophenylene, hexahydrophenylene or endomethylene-tetrahydrophenylene.

Abstract: This invention relates to herbicidal compositions containing N-(phosphonomethyl)-glycine or a non-phytotoxic salt thereof, in combination with 2,4-dichlorophenoxyacetic acid or .alpha.-naphthylacetic acid or non-phytotoxic salt of these compounds.By using the compositions according to the invention the herbicidally effective amount of N-(phosphonomethyl)-glycine can considerably be reduced in comparison with the commercially available compositions, which contain N-(phosphonomethyl)-glycine as an only active ingredient.

Abstract: The invention relates to an improved method for the preparation of a 2',6'-dialkyl-N-alkoxymethyl-2-chloro-acetanilide compound of the general formula (I), ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are identical or different and stand for straight-chained or branched C.sub.1-4 alkyl groups.According to the invention a dialkyl aniline of the general formula (II), ##STR2## wherein R.sub.1 and R.sub.2 are as defined above, is treated with aqueous formaldehyde solution in an apolar solvent at a temperature of 30.degree. to 80.degree. C., the solution of the resulting oxymethyl derivative formed with said apolar solvent is separated from the aqueous formaldehyde solution at an elevated temperature and then dehydrated, the resulting azomethine derivative is reacted with chloroacetyl chloride in the same apolar solvent medium, the resulting chloromethyl compound is reacted with an alcohol of the general formula (V),R.sub.3 -OH (V)wherein R.sub.

Abstract: A selective herbicide composition comprising as an active ingredient at least one herbicidal compound selected from the group of thiolcarbamate, triazine, chloroacetanilide, carbamide or phenoxyacetic acid herbicides in admixture with a quantity of 0.1 to 50% (by weight of the herbicidal compound) of a dichloroacetamide derivative of the formula I ##STR1## wherein X is oxygen, sulphur, SO or SO.sub.2,n is 0 or 1, andR.sub.1 and R.sub.2 are identical or different and represent hydrogen, alkyl or halophenyl, hydroxyl or nitro; orR.sub.1 and R.sub.2 together form a butylene, pentylene or hexylene group which can be substituted with one or two methyl groups,provided that if n=0, R.sub.1 and R.sub.2 are not for hydrogen, alkyl or substituted phenyl.