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Andreas Meudt, Hofheim DE
Andreas Meudt, Hofheim DE
| Patent application number | Description | Published |
|---|---|---|
| 20080206826 | Method for Producing Single Enantiomer Epoxides by the Adh Reduction of a-Leaving Group-Substituted Ketones and Cyclization - The invention relates to a method for producing single enantiomer epoxides by reducing α-leaving group-substituted ketones with (R)- or (S)-selective alcohol dehydrogenases in the presence of a cofactor and optionally a suitable system for regenerating the oxidised cofactor, to produce the corresponding single enantiomer alcohols and subsequently, by means of cyclisation induced by a base, the corresponding single enantiomer epoxides (EQUATION 1) | 08-28-2008 |
| 20080214825 | Method For Producing Substituted Halopyridines - Methods for producing substituted halopyridines (II) by reacting a β-hydroxy-y-acyl butyronitrile (I) or a suitable acyl-protected derivative with hydrogen halides, or substances or mixtures that can release hydrogen halides. In the formulae (I) and (II): R, R | 09-04-2008 |
| 20080221350 | Process for Preparing 2-Arylcarbonyl Compounds, 2-Aryl Esters and 2-Arylnitriles and their Heteroaromatic Analogues - Process for preparing compounds by cross-coupling of enolizable carbonyl compounds, nitriles or their analogues with substituted aryl or heteroaryl compounds in the presence of a Brönsted base and of a catalyst or precatalyst containing a.) a transition metal, a complex, a salt or a compound of this transition metal from the group V, Mn, Fe, Co, Ni, Rh, Pd, Ir, Pt) and b.) at least one sulphonated phosphane ligand in a solvent or solvent mixture. | 09-11-2008 |
| 20080221357 | Method for Producing Amines from Hydroxamic Acids - A method for producing unprotected or carbamate-protected amines of formulae (II) and (III) or R | 09-11-2008 |
| 20080242884 | Process for Preparing Nitriles by Elimination Reactions - Process for preparing nitriles by reacting N-alkylcarboxamides (RCO—NHR | 10-02-2008 |
| 20080306260 | Method for Producing Aryl Amines, Aryl Ethers and Aryl Thioethers - The invention relates to a method for producing aryl or heteroaryl amines, ethers or thioethers (III) by cross-coupling primary or secondary amities, alcohols or thioalcohols with substituted aryl or heteroaryl compounds (I) in the presence of a Brønsted base and a catalyst or a pre-catalyst containing a) a transition metal, a complex, a salt, or a compound of a transition metal from the group V, Mn, Fe, Co, Ni, Rh, Pd, Ir, Pt, and b) at least one sulfonated phosphane ligand in a solvent or a solvent mixture corresponding to Scheme 1 wherein Hal represents fluorine, chlorine, bromine, iodine, alkoxy, trifluoromethane sulfonate, nonafluorotrimethyl-methane sulfonate, methane sulfonate, 4-nitrobenzene sulfonate, benzene sulfonate, 2-naphthalene sulfonate, 3-nitrobenzene sulfonate, 4-nitrobenzene sulfonate, 4-chlorobenzene sulfonate, 2,4,6-triisopropylbenzene sulfonate or any other sulfonate, and X represents O, S or NR″. The invention also relates to novel phosphane ligands. | 12-11-2008 |
| 20090143586 | Method for producing alkyl-substituted aromatic and heteroaromatic compounds by cross-coupling alkyl boronic acids with aryl-or heteroaryl-halogenides or sulfonates under Pd catalysis in the presence of a ligand - The invention relates to a method for producing alkyl-substituted aromatic and heteroaromatic compounds by cross-coupling alkyl boronic acids with aryl- or heteroaryl-halogenides or with aryl- or heteroaryl-sulfonates in the presence of a catalyst and of a Brönsted base in a solvent or solvent mixture. | 06-04-2009 |
| 20090286995 | METHOD FOR THE PRODUCTION OF BORONIC ACIDS CARRYING CYANOALKYL, CARBOXYL AND AMINOCARBONYL GROUPS AND THEIR DERIVATIVES - A process for the manufacture of aminocarbonyl boronic acids of formula (IV) by converting the compounds of formula (III) with a Brønsted base Y(OH) | 11-19-2009 |