Abstract: The present invention relates to the industrial production of vinylene carbonate (VC) by elimination of hydrogen chloride from chloroethylene glycol carbonate (CGC) with tertiary amines in the absence of relatively large amounts of additional solvent.

Abstract: The present invention relates to novel 5-halogenopyrazole(thio)carboxamides, their process of preparation, their use as fungicide active agents, particularly in the form of fungicide compositions, and methods for the control of phytopathogenic fungi, notably of plants, using these compounds or compositions.

Abstract: Bicyclic pyridinylpyrazoles of the formula (I) in which the symbols have the meanings given in the description and agrochemically active salts thereof and their use for controlling unwanted microorganisms in crop protection and the protection of materials and for reducing mycotoxins in plants and plant parts, and also processes for preparing compounds of the formula (I).

Abstract: A process is described for the preparation of substituted heteroaromatics of the general formula (I) where X is oxygen, sulphur or NR5 where R5 is hydrogen, C1-C20-alkyl or C5-C6-aryl and R4 is C1-C20-alkyl, C5-C6-aryl or heteroaryl, R1, R2, R3 is hydrogen, halogen, C1-C20-alkyl, C5-C6-aryl or heteroaryl, by reaction A) of a halogenated heteroaromatic of the general formula (II) where X has the meaning given for formula (I) and R6 is bromine, iodine or chlorine and R1, R2 and R3 have the meaning given for formula (I), with a Grignard reagent of the general formula (III) R4MgHal??(III) where R4 has the meaning given for formula (I) and Hal is bromine, iodine or chlorine or B) reaction of the halogenated heteroaromatics of the formula (II) with magnesium firstly to give a Grignard compound of the general formula (IIIa) where Hal is bromine, iodine or chlorine and X and R1, R2 and R3 have the meaning given for formula (I), and further reaction with a halogenated compound of the genera

Abstract: Bicyclic pyridinylpyrazoles of the formula (I) in which the symbols have the meanings given in the description and agrochemically active salts thereof and their use for controlling unwanted microorganisms in crop protection and the protection of materials and for reducing mycotoxins in plants and plant parts, and also processes for preparing compounds of the formula (I).

Abstract: A process is described for the preparation of substituted heteroaromatics of the general formula (I) where X is oxygen, sulphur or NR5 where R5 is hydrogen, C1-C20-alkyl or C5-C6-aryl and R4 is C1-C20-alkyl, C5-C6-aryl or heteroaryl, R1, R2, R3 is hydrogen, halogen, C1-C20-alkyl, C5-C6-aryl or heteroaryl, by reaction A) of a halogenated heteroaromatic of the general formula (II) where X has the meaning given for formula (I) and R6 is bromine, iodine or chlorine and R1, R2 and R3 have the meaning given for formula (I), with a Grignard reagent of the general formula (III) R4MgHal??(III) where R4 has the meaning given for formula (I) and Hal is bromine, iodine or chlorine or B) reaction of the halogenated heteroaromatics of the formula (II) with magnesium firstly to give a Grignard compound of the general formula (IIIa) where Hal is bromine, iodine or chlorine and X and R1, R2 and R3 have the meaning given for formula (I), and further reaction with a halogenated compound of the

Abstract: A process is described for preparing alkyl thiodiglycolates of the general formula (I) R—OOC—CH2-S—CH2-COO—R??(I) where R is a radical of branched or unbranched C1 to C10-alkyl, characterized in that an alkyl haloacetate of the general formula (II) X—CH2-COO—R??(II) where X is a chlorine or bromine atom and R is as defined for compounds of the formula (I) is reacted with an aqueous solution of alkali metal sulphide or alkali metal hydrogensulphide in the presence of an aqueous pH buffer solution in the pH range between 5 and 8, optionally in the presence of a phase transfer catalyst.

Abstract: The present invention relates to the industrial production of vinylene carbonate (VC) by elimination of hydrogen chloride from chloroethylene glycol carbonate (CGC) with tertiary amines in the absence of relatively large amounts of additional solvent.

Abstract: An improved process for preparing menthylamides is provided by reacting menthyl halides with magnesium or lithium and subsequent reaction with an isocyanate, a heterocycle or a carbamoyl chloride.

Abstract: A process is described for preparing alkyl thiodiglycolates of the general formula (I) R—OOC—CH2-S—CH2-COO—R ??(I) where R is a radical of branched or unbranched C1 to C10-alkyl, characterized in that an alkyl haloacetate of the general formula (II) X—CH2-COO—R ??(II) where X is a chlorine or bromine atom and R is as defined for compounds of the formula (I) is reacted with an aqueous solution of alkali metal sulphide or alkali metal hydrogensulphide in the presence of an aqueous pH buffer solution in the pH range between 5 and 8, optionally in the presence of a phase transfer catalyst.

Abstract: The present invention relates to the preparation of nitrobenzoic acids by oxidizing particular nitrotoluenes, nitrobenzyl alcohols, esters and/or ethers in the presence of nitric acid at elevated temperature and elevated pressure. It has been found that the particular nitrotoluenes, nitrobenzyl alcohols, esters and/or ethers may be oxidized particularly reliably and in high yields using nitric acid to the benzoic acid derivatives when they are metered into the nitric acid.

Abstract: The invention relates to compositions based on thermoplastics, which contain polymeric phosphites.

Abstract: The present invention relates to the preparation of nitrobenzoic acids by oxidizing particular nitrotoluenes, nitrobenzyl alcohols, esters and/or ethers in the presence of nitric acid at elevated temperature and elevated pressure. It has been found that the particular nitrotoluenes, nitrobenyzl alcohols, esters and/or ethers may be oxidized particularly reliably and in high yields using nitric acid to the benzoic acid derivatives when they are metered into the nitric acid.

Abstract: The present invention relates to the preparation of nitrobenzoic acids by oxidizing particular nitrotoluenes, nitrobenzyl alcohols, esters and/or ethers in the presence of nitric acid at elevated temperature and elevated pressure. It has been found that the particular nitrotoluenes, nitrobenzyl alcohols, esters and/or ethers may be oxidized particularly reliably and in high yields using nitric acid to the benzoic acid derivatives when they are metered into the nitric acid.

Abstract: A novel process allows a simple preparation of highly pure halogen-substituted dibenzyl alcohols by reduction of the corresponding halogen-substituted terephthalic acids and reaction with an alkylating agent, sulfuric acid, alkyl- or arylsulfonic acids. The highly pure halogen-substituted dibenzyl alcohols obtained are suitable in particular for preparing pharmaceutically or agrochemically active compounds.

Abstract: The invention relates to a process for preparing 2,3,5,6-tetrahaloxylylidene compounds of formula (I) where each Hal is independently fluorine or chlorine, and X is fluorine, chlorine, bromine, —O—R, or —O—C(═O)R, where R is hydrogen, a straight-chain or branched C1-C12-alkyl- or a C6-C14-aryl radical, by reacting 2,3,5,6-tetrahaloxylylidenediamines of formula (II) with an alkyl nitrite and/or nitrous acid in HX as a solvent.

Abstract: The present invention relates to the preparation of nitrobenzoic acids by oxidizing particular nitrotoluenes, nitrobenzyl alcohols, esters and/or ethers in the presence of nitric acid at elevated temperature and elevated pressure. It has been found that the particular nitrotoluenes, nitrobenzyl alcohols, esters and/or ethers may be oxidized particularly reliably and in high yields using nitric acid to the benzoic acid derivatives when they are metered into the nitric acid.

Abstract: The present invention relates to an improved process for preparing methyl N-butyryl-4-amino-3-methylbenzoate and the novel chemical compound N-(4-bromo-2-methylphenyl)butanamide.

Abstract: According to the invention, N-butyryl-4-amino-3-methyl-methyl benzoate is obtained in a particularly advantageous manner by, initially, reacting o-toluidine with butyric acid chloride, by brominating the reaction product and by reacting the bromide obtained therefrom with carbon monoxide and methanol in the presence of a palladium catalyst. The invention also relates to the important novel chemical compound N-(4-bromine-2-methylphenyl)-butanamide.

Abstract: According to the invention, N-butyryl-4amino-3-methyl-methyl benzoate is obtained in a particularly advantageous manner by, initially, reacting o-toluidine with butyric acid chloride, by brominating the reaction product and by reacting the bromide obtained therefrom with carbon monoxide and methanol in the presence of a palladium catalyst. The invention also relates to the important novel chemical compound N-(4-bromine-2-methylphenyl)-butanamide.