Abstract: The invention relates to an oxidic catalyst containing cesium and tungsten for the synthesis of alkyl mercaptans from alkanols and hydrogen sulfide, and to a process for the production of this catalyst, wherein the molar ratio of cesium to tungsten is <2:1.

Abstract: The present invention relates to a method for synthesis of 2,2,6-trimethylcyclohexan-1-one (TMCH) by partial reduction of 2,6,6-trimethyl-2-cyclohexen-1,4-dione (ketoisophorone, KIP), the reaction being carried out in the gas phase in the presence of oxide catalysts.

Abstract: A process for the preparation of &agr;-amino acids by hydrolysis of hydantoins in the presence of water and at least one metallic oxide under conditions such that all the starting materials are completely dissolved in the water as a result of high pressure and high temperature and only one further phase is present in the reactor in addition to the metallic oxide phase.

Abstract: The invention relates to a shaped, in particular granulated feedstuffs additive containing L-lysine and treated with additives, preferably oils, having improved abrasion resistance, which optionally contains constituents from the fermentation broth and biomass, and a process for the production of this product.

Abstract: A process for the preparation of &agr;-amino acids by hydrolysis of hydantoins in the presence of water and at least one metallic oxide under conditions such that all the starting materials are completely dissolved in the water as a result of high pressure and high temperature and only one further phase is present in the reactor in addition to the metallic oxide phase.

Abstract: The present invention is directed to a nucleotide sequence encoding D-amino oxidase (D-AAO, EC 1.4.3.3) from Arthrobacter protophormiae. This may be inserted into an expression and used to transform a microbial host. The transformed microbial hosts ecomically produce D-AAO which may be used to oxidize D-amino acids.

Abstract: The present invention relates to a process for the production of canthaxanthin by oxidation of beta-carotene or carotinoids derived therefrom which have conjugated double bonds.

Abstract: The present invention relates to a compound of Formula 3 wherein X is H, F or Cl; Y is F or Cl; R1 is C1-C3 haloalkyl, C2-C4 alkoxyalkyl; C2-C6 haloalkoxyalkyl or C2-C6 cyanoalkyl; R2 is H, C1-C4 alkyl, C1-C4 haloalkyl, C3-C4 alkenyl, C3-C4 alkynyl, C2-C4 alkoxyalkyl, C2-C4 alkylcarbonyl or C2-C4 alkoxycarbonyl; R3 is H or OH; and R4 is H, F or Cl; provided that when R3 is H then R4 is F or Cl and when R3 is OH then R4 is H.

Abstract: A process for the preparation of racemic amino acids, characterized in that an acylamino acid of the formula R1—CH(NH—CO—R2)COOH wherein R1 is hydrogen, a linear, branched or cyclic alkyl that has from 1 to 7 carbon atoms and that may contain substituents such as a hydroxyl, alkyloxy or alkylthio group; and R2 is a hydrogen atom or an alkyl having from 1 to 3 carbon atoms; is heated in the presence of water, in a pressure-resistant vessel, to a temperature in the range from 110° C. to 220° C. and is hydrolyzed.

Abstract: A process for the production of 2-hydroxy-4-methylmercaptobutyric acid (MHA) by electrochemical carboxylation of 3-methylmercapto-propionaldehyde in an undivided electrolytic cell containing a sacrificial anode, in an aprotic solvent in the presence of a supporting electrolyte. Preferred anode/cathode combinations are Mg/Mg and Mg/carbon. MHA is obtainable in a high yield.

Abstract: This invention is directed to compounds and intermediates of Formulae (6 and 3), useful in preparing herbicidal sulfonamides of Formula (1), including all geometric and stereoisomers thereof, and agricultural salts thereof, wherein X is H, F or Cl; Y is F or Cl; R1 is C1-C3 haloalkyl, C2-C4 alkoxyalkyl; C2-C6 haloalkoxyalkyl or C2-C6 cyanoalkyl; R2 is H, C1-C4 alkyl, C1-C4 haloalkyl; C3-C4 alkenyl, C3-C4 alkynyl, C2-C4 alkoxyalkyl, C2-C4 alkylcarbonyl or C2-C4 alkoxycarbonyl; R3 is H or OH; R4 is H, F or Cl; and R5 is F or Cl; provided that when R3 is H then R4 is F or Cl and when R3 is OH then R4 is H.

Abstract: A process for the production of 2-hydroxy-4-methylmercaptobutyric acid (MHA) by electrochemical carboxylation of 3-methylmercapto-propionaldehyde in an undivided electrolytic cell containing a sacrificial anode, in an aprotic solvent in the presence of a supporting electrolyte. Preferred anode/cathode combinations are Mg/Mg and Mg/carbon. MHA is obtainable in a high yield.

Abstract: This invention is directed to compounds and intermediates of Formulae 6 and 3, useful in preparing herbicidal sulfonamides of Formula 1, including all geometric and stereoisomers thereof, and agricultural salts thereof. wherein the substituents are defined in the specification.

Abstract: A process for the preparation of racemic amino acids, characterized in that an acylamino acid of the formula

Abstract: A process for preparing compounds of the general formula (I) from compounds of the general formula (II) and sulfite salts with subsequent halogenation. The solvent which is used for halogenation is an organic solvent which is fully or partly miscible with water. The sulfonyl halides are useful for synthesizing bio active substances.

Abstract: Compounds of Formula I, and their N-oxides and agriculturally suitable salts, are disclosed which are useful for controlling undesired vegetation ##STR1## wherein X, Y, J, R.sup.1, and R.sup.2 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula I and a method for controlling undesired vegetation which involves contacting the vegetation or its environment with an effective amount of a compound of Formula I.

Abstract: The invention concerns a method of producing L-aspartyl-D-alanine-N-(thietane-3-yl) amides of general formula I by reacting D-alanine-thietane amides of general formula II with oxazolidinone compounds of general formula III in an inert organic solvent, wherein R.sup.1 stands for H or a selectively separable protective group, R.sup.2 -R.sup.5 independently of one another, are identical or different and stand for H or linear or branched C.sub.1 -C.sub.4 -alkyl, and R.sup.6 and R.sup.7, independently of each other, are identical or different and stand for H, linear or branched C.sub.1 -C.sub.4 -alkyl, aryl or a group which activates the carbonyl group.

Abstract: A process for the preparation of substituted 1,2,4-triazoline-3(2H)-ones of general formula (I) ##STR1## by reacting an amide of general formula (IV) ##STR2## with phosgen or thiophosgen or a phosgen substitute or thiophosgen substitute to a compound of general formula V ##STR3## and subsequent reaction of (V) with a compound of general formula (VI) or of an acid addition salt of (VI)Q--NH--NH--CO--R.sup.26 (VI)to compounds of general formula (I).Compounds of general formula (I) can be used as herbicides.