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Antje Gupta

Antje Gupta, Wiesbaden DE

Patent application numberDescriptionPublished
20090017510Enzymic method for the enantioselective reduction of keto compounds - The invention relates to an enzymatic method for the enantioselective reduction of organic keto compounds to the corresponding chiral hydroxy compounds, an alcohol dehydrogenase from 01-15-2009
20090148917METHOD FOR PRODUCING CHIRAL ALCOHOLS - The invention relates to a method for producing an enantiopure alcohol of general formula (Ia) or (Ib), wherein R06-11-2009
20090221044Process for the Enantioselective Enzymatic Reduction of Hydroxy Keto Compounds - In a process for the enantioselective enzymatic reduction of a hydroxy ketone of general formula I09-03-2009
20090280525PROCESS FOR THE ENANTIOSELECTIVE REDUCTION AND OXIDATION, RESPECTIVELY, OF STEROIDS - A process for the enantioselective enzymatic reduction of compounds which comprise a steroid structure (ABCD) including one or several heteroatoms, one or several double bonds and/or one aromatic component in the ring structure and have at least one oxo group at position 3, 7, 11, 12 or 17 in the steroid ring system or in the α-position at any carbon moiety on the steroid skeleton (=oxosteroid compound),11-12-2009
20090311762OXIDOREDUCTASES FOR THE STEREOSELECTIVE REDUCTION OF KETO COMPOUNDS - The invention relates to a process for the enantioselective enzymatic reduction of a keto compound to the corresponding chiral hydroxy compound, wherein the keto compound is reduced with an oxidoreductase in the presence of a cofactor, and is characterized in that an oxidoreductase is used which has an amino acid sequence in which (a) at least 70% of the amino acids are identical to the amino acids of one of the amino acid sequences SEQ ID No 1, SEQ ID No 6 and SEQ ID No 8, or (b) at least 55% of the amino acids are identical to the amino acids of the amino acid sequence SEQ ID No 2, or (c) at least 65% of the amino acids are identical to the amino acids of the amino acid sequence SEQ ID No 3, or (d) at least 75% of the amino acids are identical to the amino acids of the amino acid sequence SEQ ID No 4, or (e) at least 65% of the amino acids are identical to the amino acids of the amino acid sequence SEQ ID No 5, or (f) at least 50% of the amino acids are identical to the amino acids of the amino acid sequence SEQ ID No 7, or (g) at least 72% of the amino acids are identical to the amino acids of the amino acid sequence SEQ ID No 129.12-17-2009
20100248317PROCESS FOR THE ENANTIOSELECTIVE ENZYMATIC REDUCTION OF INTERMEDIATES - A process for the enantioselective enzymatic reduction of a keto compound of general formula I09-30-2010
20110020887PROCESS FOR THE ENANTIOSELECTIVE ENZYMATIC REDUCTION OF SECODIONE DERIVATIVES - The invention relates to a process for the enantioselective enzymatic reduction of secodione derivatives.01-27-2011

Patent applications by Antje Gupta, Wiesbaden DE

Antje Gupta, Wiesbaden-Medenbach DE

Patent application numberDescriptionPublished
20080233619Process For the Enantioselective Enzymatic Reduction of Keto Compounds - The present invention relates to a process for the enantioselective enzymatic reduction of keto compounds which is carried out in two phases and uses 4-methyl-2-pentanol, 5-methyl-2-hexanol and/or 2-heptanol for coenzyme regeneration.09-25-2008