Patent application number | Description | Published |
20080221351 | Method for the Production of Adipodinitrile by Hydrocyanation of 1,3-Butadiene - A process is described for preparing adiponitrile by hydrocyanating 1,3-butadiene over a catalyst, by, in a first process step, hydrocyanating 1,3-butadiene to 3-pentenenitrile over at least one nickel(0) catalyst, and, in a second process step, hydrocyanating 3-pentenenitrile to adiponitrile over at least one nickel(0) catalyst with addition of at least one Lewis acid, wherein at least one of the at least one nickel(0) catalysts used in the particular process steps is transferred into the other process step. | 09-11-2008 |
20080281119 | Separation of Nickel(0) Complexes and Phosphorus-Containing Ligands from Nitrile Mixtures - A process for extractively removing nickel(0) complexes having phosphorus ligands and/or free phosphorus ligands from a reaction effluent of a hydrocyanation of unsaturated mononitriles to dinitriles by extraction by means of a hydrocarbon, a phase separation of the hydrocarbon and of the reaction effluent into two phases being effected at a temperature T (in ° C.), | 11-13-2008 |
20080281120 | Method for Producing Linear Pentenenitrile - A process is described for preparing 3-pentenenitrile, characterized by the following process steps:
| 11-13-2008 |
20080306304 | Method For Producing O-Alkylated Cyclic Aminoalcohols - A process for preparing O-alkylated amino alcohols of the formula (I) by reacting N-unsubstituted or N-monosubstituted amino alkoxide salts with alkyl halides, the amino alkoxide salts being formed by means of alkoxides | 12-11-2008 |
20090281356 | METHOD FOR PRODUCING ORGANIC PHOSPHOROUS COMPOUNDS CONTAINING HALOGENE - Method of producing compounds of the general formula | 11-12-2009 |
20090292100 | PROCESS FOR PREPARING PENTAMETHYLENE 1,5-DIISOCYANATE - The present invention relates to a process for preparing pentamethylene 1,5-diisocyanate, to pentamethylene 1,5-diisocyanate prepared in this way and to the use thereof. | 11-26-2009 |
20090299089 | METHOD FOR PRODUCING OPTICALLY ACTIVE 3-AMINOCARBOXYLIC ACID ESTERS - The invention relates to a method for producing optically active 3-aminocarboxylic acid ester compounds. According to said method, an enantiomer mixture of a mono-N-acylated 3-aminocarboxylic acid ester, which mixture was previously enriched in an enantiomer, is subjected to deacylation and then to a further enantiomer enrichment by crystallization by adding an acidic salt-forming substance. | 12-03-2009 |
20100274053 | PROCESS FOR DIASTEREOSELECTIVE CONVERSION OF CHIRAL IMINES - Diastereoselective conversion of chiral imines of the formula I to amines of the formula II | 10-28-2010 |
20100274054 | ONE-STAGE REDUCTIVE AMINATION - A process for preparing amines of the formula I, | 10-28-2010 |
20100331564 | METHOD FOR PRODUCING URETHANES COMPOSED OF MONO AND DI-FUNCTIONAL AROMATIC AMINES - The object of the invention is to provide a process for preparing urethanes by reacting aromatic amines with a dialkyl carbonate, wherein the alkyl radical of the organic dialkyl carbonate comprises from 2 to 18 carbon atoms, and the reaction is carried out in the presence of a base. | 12-30-2010 |
20110004012 | METAL CARBAMATES FORMED FROM TOLYLENEDIAMINES - The invention provides metal carbamates of the general formula (I) | 01-06-2011 |
20110015424 | METAL CARBAMATES FORMED FROM DIAMINOPHENYLMETHANE - The invention provides metal carbamates of the general formula (I) | 01-20-2011 |
20110144390 | Method for Producing O-Alkylated Aminoalcohols - A process for preparing O-alkylated amino alcohols by reacting N-unsubstituted or N-monosubstituted amino alkoxide salts with alkyl halides, the amino alkoxide salts being formed by means of alkali metal or alkaline earth metal hydroxides. | 06-16-2011 |
20110171700 | METHOD FOR PRODUCING L-PHENYLEPHRINE USING AN ALCOHOL DEHYDROGENASE OF AROMATOLEUM AROMATICUM EBN1 (AZOARCUS SP. EBN1) - The present invention relates to a multi-stage process for producing substituted, optically active alcohols, comprising an enzyme-catalyzed synthesis step, in particular a synthesis step which is catalyzed by an alcohol dehydrogenase. The inventive method is particularly suitable for producing phenylephrine, i.e. 3-[(1R)-1-hydroxy-2-methylamino-ethyl]-phenol. | 07-14-2011 |
20120178958 | METHOD FOR PRODUCING LINEAR PENTENENITRILE - A method for producing 3-pentenenitrile is provided that includes: (a) isomerizing an educt stream containing 2-methyl-3-butenenitrile on at least one dissolved or dispersed isomerisation catalyst to form a stream (1), which contains the isomerisation catalyst(s), 2-methyl-3-butenenitrile, 3-pentenenitrile and (Z)-2-methyl-2-butenenitrile; (b) distilling the stream (1) to obtain a stream (2) as the overhead product, which contains 2-methyl-3-butenenitrile, 3-pentenenitrile and (Z)-2-methyl-2-butenenitrile and a stream (3) as the bottom product, which contains the isomerisation catalyst(s); (c) distilling the stream (2) to obtain a stream (4) as the overhead product, which is enriched with (Z)-2-methyl-2-butenenitrile in comparison to stream (2), and a stream (5) as the bottom product, which is enriched with 3-pentenenitrile and 2-methyl-3-butenenitrile in comparison to stream (2); (d) distilling stream (5) to obtain a stream (6) as the bottom product, which contains 3-pentenenitrile and a stream (7) as the head product containing 2-methyl-3-butenenitrile. | 07-12-2012 |
20120253076 | METHOD FOR PURIFYING COMPOUNDS CONTAINING AMINO GROUPS - Method for purifying compounds (I) containing amino groups from a polar phase A, where
| 10-04-2012 |
20120263659 | USE OF PHYSIOLOGICAL COOLING ACTIVE INGREDIENTS, AND AGENTS CONTAINING SUCH ACTIVE INGREDIENTS - The invention relates to a TRPM8 modulator for achieving a cooling effect on the skin or a mucous membrane. | 10-18-2012 |
20130116473 | PROCESS FOR THE PREPARATION OF OXOVINYLIONOL AND ITS O-PROTECTED DERIVATIVES - The present invention relates to the preparation of oxovinylionol and its O-protected derivatives of the formula I | 05-09-2013 |
20130231495 | METAL CARBAMATES FORMED FROM TOLYLENEDIAMINES - The invention provides metal carbamates of the general formula (I) | 09-05-2013 |
20130244298 | METHOD FOR BIOCATALYTIC PRODUCTION OF NITRILES FROM OXIMES AND OXIME DEHYDRATASES USABLE THEREIN - The present invention relates to novel methods for biocatalytic production of nitriles from oximes using oxime dehydratases and novel mutants with oxime dehydratase activity and use thereof in a process for biocatalytic production of nitriles, such as in particular for the production of citral nitrile, neral nitrile, geranial nitrile or citronellyl nitrile from citral oxime, neral oxime, geranial oxime or citronellal oxime; and oxime dehydratases usable therefor, nucleotide sequences therefor and expression constructs or microorganisms comprising these. | 09-19-2013 |
20130251647 | LOW MOLECULAR WEIGHT MODULATORS OF THE COLD MENTHOL RECEPTOR TRPM8 AND USE THEREOF - The invention relates to new types of modulators of the cold menthol receptor TRPM8, to methods of modulating the TRPM8 receptor using these modulators; and in particular the use of the modulators for inducing a sensation of coldness; and also the articles and compositions produced using these modulators. | 09-26-2013 |
20130273619 | Process for the Preparation of (3E, 7E)-Homofarnesol - The present invention relates to new types of processes for the improved preparation of homofarnesol, in particular of (3E,7E)-homofarnesol and homofarnesol preparations with an increased content of (3E,7E)-homofarnesol (also referred to as all E-homofarnesol). | 10-17-2013 |
20130281727 | METAL CARBAMATES FORMED FROM DIAMINOPHENYLMETHANE - The invention provides metal carbamates of the general formula (I) | 10-24-2013 |
20140051889 | ISOMERIZATION OF OLEFINIC COMPOUNDS - The present invention relates to a process for preparing an olefinically unsaturated phosphonium salt having at least two olefinic double bonds, of which one double bond has a Z or cis conformation and the second or a further double bond an E conformation, from an olefinically unsaturated phosphonium salt having at least two olefinic double bonds of different configuration compared to the target compound, and both especially have an all-E or all-trans conformation. In addition, the invention provides for the use of the compound obtained by the process for provision of terpenoid substances as medicaments. | 02-20-2014 |
20150086491 | USE OF PHYSIOLOGICAL COOLING ACTIVE INGREDIENTS, AND AGENTS CONTAINING SUCH ACTIVE INGREDIENTS - The invention relates to a TRPM8 modulator for achieving a cooling effect on the skin or a mucous membrane. | 03-26-2015 |