Abstract: The invention relates to a herbicidal composition which contains, besides binding, wetting, dispersing, emulsifying agents, solvents and/or surface-active substances, herbicides as active agent of thiocarbamate, carbamate, acid amide or urea type alone or in a combination, furthermore as antidote a compound of the general formula I ##STR1## wherein R.sup.1 and R.sup.2, independently of each other, are hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.1-4 cyanoalkyl, C.sub.1-6 haloalkyl, phenyl-C.sub.1-4 -haloalkyl, phenyl, halogenphenyl, C.sub.1-4 -alkyl-phenyl, C.sub.1-4 -alkoxyphenyl, furfuryl;R.sup.3 and R.sup.4, independently of each other, are hydrogen, C.sub.1-18 -alkyl, C.sub.2-4 -haloalkyl, C.sub.2-4 -cyanoalkyl, C.sub.1-4 -alkoxy-C.sub.2-4 -alkyl, C.sub.5-6 -cycloalkyl, phenyl-C.sub.1-4 -alkyl, C.sub.3-4 -alkenyl, phenyl-C.sub.3-4 -alkenyl, di-C.sub.1-4 -alkylamino-C.sub.2-4 -alkyl, hydroxy-C.sub.2-6 -alkyl, furfuryl, tetrahydrofurfuryl, C.sub.1-4 -alkoxy-C.sub.2-4 -alkoxy-C.sub.2-4 -alkyl;R.sup.

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: The invention relates to a process for preparing sulphonyl-ureas of the general formula (I) ##STR1## wherein Ar.sub.1 represents a phenyl, naphthyl or thienyl group, the derivatives thereof substituted by C.sub.1-4 alkyl, C.sub.1-4 haloalkyl, (halo)alkoxycarbonyl, (halo)alkyloxy, nitro, cyano groups as well as by halogen atoms,Ar.sub.2 represents a phenyl, pyridyl, pirimidinyl or triazinyl group and the derivatives thereof substituted by C.sub.1-4 (halo)alkyl, C.sub.1-4 (halo)alkyloxy, amino, O-acyl, O-arylsulphonyl, O-(substituted carbamoyl) groups as well as by halogen atoms.

Abstract: The present invention relates to a process for the preparation of 3-isopropyl-benzo-2-thia-1,3-diazinone-(4)-2,2-dioxide which comprises preparing isopropyl sulfamoyl chloride in one step by reacting N,N'-diisopropyl-urea with phosphorus trichloride and chlorine in the presence of oleum and sulfuric acid and condensing the so obtained isopropyl sulfamoyl chloride at room temperature without any solvent in the presence of an excess of N,N-diethyl aniline with anthranylic acid methyl ester and subjecting the thus obtained N-isopropyl-N'-o-carbomethoxy-phenyl-sulfamide to cyclization in the presence of sodium methylate, extracting the obtained crude 3-isopropyl-benzo-2-thia-1,3-diazinone-(4)-2,2-dioxide with a mixture of methanol and water and after adding water to the aqueous-methanolic mixture and sedimenting the contaminations isolating a product of high purity.

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: 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.