Abstract: The invention relates to ester compounds of the general formula (I) to a process for preparation thereof and to the use thereof. These ester compounds may contain a mixture of at least two compounds of the general formula (I).

Abstract: A method for producing a hydroxy fatty acid condensate or a mixture of hydroxy fatty acid condensates is provided. The method involves the steps of providing one or more fatty acids having at least one C?C double bond functionality, biotechnologically adding H2O to at least one C?C double bond functionality of the one or more fatty acids and thus obtaining one or more hydroxy fatty acids, and reacting the one or more hydroxy fatty acids with one or more at least divalent linker groups, thus obtaining a hydroxy fatty acid condensate or a mixture of hydroxy fatty acid condensates. Also provided are a hydroxy fatty acid condensate or a mixture of hydroxy fatty acid condensates obtained by the method, as well as polyurethane, obtained by reacting such a hydroxy fatty acid condensate or mixture of hydroxy fatty acid condensates.

Abstract: The present invention provides a carbonyl reductase having the activity of reducing a carbonyl group-containing compound to convert the compound into an optically active compound, and a production method of an optically active compound using the enzyme. Specifically, a carbonyl reductase having one or more mutations in which the 54th aspartic acid, the 157th methionine, the 170th alanine, the 211th isoleucine, the 214th methionine, and the 249th methionine are each substituted by other specific amino acid in the amino acid sequence shown in SEQ ID NO: 1 or a homologue of the amino acid sequence, and a production method of an optically active compound using the same are provided.

Abstract: The present invention is directed to a process for the enantioselective biocatalytic preparation of 4-substituted 1-aminoindanes of general formula (S)-I: (1) and a process for the preparation of Ozanimod, preferably involving the enantioselective biocatalytic process of preparing (S)-4-substituted 1-aminoindanes of the above general formula, wherein R=—CN and Y=H.

Abstract: The invention relates to ester compounds of the general formula (I) to a process for preparation thereof and to the use thereof. These ester compounds may contain a mixture of at least two compounds of the general formula (I).

Abstract: The invention relates to novel ester compounds of the general formula (I) to a process for preparation thereof and to the use thereof. These ester compounds may contain a mixture of at least two compounds of the general formula (I).

Abstract: The invention relates to novel ester compounds of the general formula (I) to a process for preparation thereof and to the use thereof. These ester compounds may contain a mixture of at least two compounds of the general formula (I).

Abstract: The invention relates to a method for preparing an N-acyl- or N-sulfonyl-?-aminonitrile, comprising the following steps: a) condensation of an N-acyl- or N-sulfonyl-?-aminoaldehyde with hydroxylamine to give an aldoxime, and b) dehydration of the aldoxime obtained in step a) to give an N-acyl- or N-sulfonyl-?-aminonitrile. In an advantageous manner, the absolute configuration can be retained in the conversion to the N-acyl- or N-sulfonyl-?-aminonitrile.

Abstract: The present invention is directed towards an asymmetric enzymic process for preparing optically active organic compounds. The process according to the invention is carried out in what are termed miniemulsions. The invention also relates to an enzymic reaction mixture which exhibits a miniemulsion.

Abstract: The invention relates to novel polypeptides which have the biological activity of an NAD- or NADP-dependent alcohol dehydrogenase. The invention furthermore relates to nucleic acids encoding said polypeptides, to nonhuman hosts or host cells and to reaction systems which may be used for preparing desired products. The polypeptides of the invention are preferably used in the preparation, starting from aldehydes or ketones, of primary and enantiomerically pure secondary alcohols which may serve as intermediates for medicaments. Alternatively, the polypeptides of the invention may also be employed in the reverse reaction, i.e. the oxidation of alcohols with the formation of aldehydes or ketones.

Abstract: The present application relates to a reaction system in which chemically valuable compounds can be obtained in high enantiomer concentrations with the aid of a coupled enzymatically operating transformation process. The coupled enzymatic reaction system comprises a cofactor-dependent enzymatic transformation of an organic compound and an enzymatic regeneration of the cofactor, wherein the reaction system operates in aqueous solution with an amount of substrate above the solubility limit thereof. In the preferred embodiments, an alcohol dehydrogenase is the cofactor-dependent enzyme, and the regeneration of the cofactor (e.g. NADH or NADPH) is acheved by means of formate dehydrogenase.

Abstract: The invention relates to novel polypeptides which have the biological activity of an NAD- or NADP-dependent alcohol dehydrogenase. The invention furthermore relates to nucleic acids encoding said polypeptides, to non-human hosts or host cells and to reaction systems which may be used for preparing desired products. The polypeptides of the invention are preferably used in the preparation, starting from aldehydes or ketones, of primary and enantiomerically pure secondary alcohol's which may serve as intermediates for medicaments. Alternatively, the polypeptides of the invention may also be employed in the reverse reaction, i.e. the oxidation of alcohol's with the formation of aldehydes or ketones.

Abstract: The present invention relates to a process for the production of primary alcohols from aldehydes with the said of whole-cell catalysts or isolated enzymes. Employed are an alcohol dehydrogenase and an enzyme which is capable of regenerating the cofactor, where it is preferred to have a substrate concentration of >150 mM aldehyde for the conversion.

Abstract: The present invention is directed towards an asymmetric enzymic process for preparing optically active organic compounds. The process according to the invention is carried out in what are termed miniemulsions. The invention also relates to an enzymic reaction mixture which exhibits a miniemulsion.

Abstract: The present invention describes an enzymatic process for preparing enantiomer-enriched ?-hydroxycarboxylic acids and amides which comprises, in one step, the conversion of a carbonyl compound to the corresponding acid/amides via the intermediate stage of a cyanohydrin. The invention also provides a reaction system operating in such a way and a whole-cell catalyst that is advantageous for use for this reaction.

Abstract: The present invention relates to an alcohol dehydrogenase from Rhodococcus erythropolis. By means of such cofactor-dependent ADHs, chiral alcohols which can be of use for use in organic syntheses can advantageously be obtained with a cofactor-regenerating enzyme in a coupled enzymatic system. A nucleotide sequence, vehicles containing this, a polypeptide sequence and processes for mutation and use of the sequences are claimed.

Abstract: The present application relates to a reaction system in which chemically valuable compounds can be obtained in high enantiomer concentrations with the aid of a coupled enzymatically operating transformation process. The coupled enzymatic reaction system comprises a cofactor-dependent enzymatic transformation of an organic compound and an enzymatic regeneration of the cofactor, wherein the reaction system operates in aqueous solution with an amount of substrate above the solubility limit thereof. In the preferred embodiments, an alcohol dehydrogenase is the cofactor-dependent enzyme, and the regeneration of the cofactor (e.g. NADH or NADPH) is acheved by means of formate dehydrogenase.

Abstract: The present application relates to a reaction system in which chemically valuable compounds can be obtained in high enantiomer purities with the aid of a coupled enzymatically operating transformation process. The coupled enzymatically operating reaction system in this context comprises an enzymatic transformation reaction which proceeds with the consumption of a cofactor, and recycling of the cofactor consumed, which proceeds enzymatically, wherein the procedure is carried out in a homogeneous aqueous solvent system comprising an organic hydrocarbon having at least two hydroxyl or ether groups.

Abstract: The present process relates to a coupled enzymatic reaction system which is implemented in a two-phase system consisting of organic phase and aqueous phase. The system operates with cofactor-dependent enzymes, the cofactor being continually regenerated enzymatically. The key enzyme is the alcohol dehydrogenase.

Abstract: The present process relates to a coupled enzymatic reaction system which is implemented in a two-phase system consisting of organic phase and aqueous phase. The system operates with cofactor-dependent enzymes, the cofactor being continually regenerated enzymatically by an FDH derived from C. boidinii.