Evonik Degussa Gmbh

Evonik Operations Gmbh

Technische Universitat Munchen

Evonik Industries Ag

Jan Christoph Pfeffer

Thomas Haas

Thomas Tacke

Florian Klasovsky

Arne Skerra

Steffen Schaffer

Oliver Thum

Andreas Martin

Angela Koeckritz

Frank Erhardt

Christian Gehring

Jens Deutsch

Markus Pötter

Matthias Beller

Harald Haeger

Martin Roos

Mirja Wessel

Hans-Georg Joerg Hennemann

Markus Poetter

Wolfgang Kroutil

Daniel Demicoli

Sebastian Imm

Michael Volland

Emmanouil Spyrou

Uwe Dingerdissen

Martina Ortelt

Dirk Fuchsmann

Harald Schmidt

Christian Lettmann

Britta Kohlstruk

Angela Köckritz

Philip Engel

Alexandra Lerchner

Marie-Dominique Przybylski-Freund

Andreas Pfennig

Michael Rimbach

Michiel Janssen

Roger Sheldon

Juergen Haberland

Anja Schubert

Volker Sieber

Harald Häger

Kai Doderer

Katrin Grammann

Eva Maria Wittmann

Claudia Rollmann

Thomas Hueller

Eva-Maria Eckl

Jasmin Corthals

Sabine Hafkemeyer

Thomas Hüller

Christian Rausch

Michaela Hauberg

Jürgen Haberland

Broder Rühmann

Katharina Christin Tauber

Johann H Sattler

Broder Ruehmann

Silvana Roeder

Marie-Dominique Przybylski

Markus PÖTTER

Markus Potter

Harald Hager

Thomas Huller

A method for oxidizing an alkyl, including a) contacting the alkyl with an aqueous solution comprising a microorganism where the microorganism has a reduced fatty acid degradation capacity compared to its wild type, wherein the fatty acid degradation capacity is reduced by deletion, inhibition or inactivation of a gene encoding an enzyme involved in the &#x3b2;-oxidation pathway; and the microorganism expresses a recombinant alkane oxidase, and b) contacting the aqueous solution from a) with a water-immiscible organic solvent.

Biotechnological production of alcohols and derivatives thereof

The invention relates to a process for preparing an &#x3b1;,&#x3c9;-alkanediol comprising the steps of a) reacting an alkanoic acid with an alkanol to give an ester, b) oxidizing at least one terminal carbon atom of the ester by contacting with a whole-cell catalyst, which expresses an alkane hydroxylase, in aqueous solution and in the presence of molecular oxygen, to give an oxidized ester, c) hydrogenating the oxidized ester to form the alkanediol and alkanol, and d) removing the alkanol by distillation, forming a reaction mixture depleted with respect to the alkanol, and recycling the alkanol in step b).

Process for preparing an alpha, omega-alkanediol

The present application relates to a process for removing an organic compound having one or more positive charges from an aqueous solution, comprising the steps a) provision of the aqueous solution comprising the organic compound and of a hydrophobic organic solution which comprises a liquid cation exchanger, where the liquid cation exchanger is hydrophobic, and where the liquid cation exchanger has one or more negative charges and an overall negative charge, b) contacting the aqueous solution and the organic solution, and c) separating off the organic solution from the aqueous solution.

Liquid cation exchanger

The invention relates to a method for oxidizing an alkane, comprising contacting the alkane with a type alkB oxidoreductase and using a type alkB oxidoreductase to prepare a mixture of oxidation products of an alkane, wherein the ratio of carboxylic acid to alcohol in the oxidation products is preferably greater than 1:1.

Biological alkane oxidation

A process for producing alanine, including culturing a cell under aerobic conditions in an aqueous phase in the presence of an inorganic nitrogen source, and then contacting the aqueous phase and the cell cultured in the aqueous phase with a hydrophobic organic phase. The cell is a prokaryotic or a lower eukaryotic cell and expresses a recombinant alanine dehydrogenase.

Method for aerobically producing alanine or a compound produced using alanine

The invention relates to curable compositions comprising at least one epoxy resin and at least one hardener wherein the hardener is a compound of formula (I) or (II) where Rand Rare each independently selected from the group of substituents having the formula &#x2014;(CH)&#x2014;NHand x is in each case independently 0, 1, 2, 3 or 4, to surfaces comprising such compositions, to methods comprising applying a coating material comprising such compositions and to the use of such compositions as surface protection.

Curable compositions based on epoxy resins without benzyl alcohol

The invention relates to a method for oxidizing a fatty acid or an ester thereof of formula (I) H3C &#x2014;(CH2)n-COOR, wherein R is selected from the group that comprises H, methyl, ethyl, propyl, and butyl, wherein n is 0 to 30, preferably 6 to 24, comprising the step of oxidizing the fatty acid or the ester thereof by contacting the fatty acid or the ester thereof with a cytochrome P450 monooxygenase of the CYP153 family in the presence of molecular oxygen and NAD(P)H and a whole-cell catalyst that expresses a recombinant cytochrome P450 monooxygenase of the CYP153 family, a recombinant alcohol dehydrogenase, a recombinant transaminase, and optionally one or more than one recombinant enzyme from the group comprising alanine dehydrogenase, ferredoxin, and ferredoxin reductase, and the use of said whole-cell catalyst to oxidize a fatty acid or an ester thereof.

Enzymatic omega-oxidation and omega-amination of fatty acids

A method including the steps a) providing a primary alcohol of the formula HO&#x2014;(CH)&#x2014;R, where Ris &#x2014;OH, &#x2014;SH, &#x2014;NHor &#x2014;COOR; x is at least 3; and Ris H, alkyl or aryl, b) oxidizing the primary alcohol by contacting it with an NAD(P)-dependent alcohol dehydrogenase, and c) contacting the oxidation product of step a) with a transaminase, where the NAD(P)-alcohol dehydrogenase and/or the transaminase is a recombinant or isolated enzyme. A whole cell catalyst for carrying out the method. The use of such a whole cell catalyst for oxidizing a primary alcohol.

Oxidation and amination of primary alcohols

The invention relates to a method for removing an organic compound having one or more positive charges from an aqueous solution. Said method consists of the following steps a) the aqueous solution containing the organic compound, and a hydrophobic organic solution which contains a hydrophobic liquid cation exchanger having one or more negative charges and a negative total charge, are provided, b) the aqueous solution and the organic solution are brought into contact with each other and c) the organic solution is separated from the aqueous solution.

The invention relates to a method for the oxidation of a primary or secondary alcohol, preferably to form an aldehyde or ketone, comprising the following steps: a) providing a catalyst composition comprising at least one compound containing a nitroxyl radical, at least one NO source, at least one carbon or mineral acid or an anhydride of a carbon or mineral acid; b) producing a reaction mixture by adding at least one primary or secondary alcohol and a gas comprising oxygen and optionally one or more than one solvent to the catalyst composition from step a) or step e); c) incubating the reaction mixture from step b) at a temperature of between 0 and 100&#xb0; C. or at the boiling point of the solvent; d) simultaneously with or subsequent to step c): crystallizing the reaction product; and e) recovering the catalyst composition by removing the crystallized reaction product from the reaction mixture obtained in step d).

Continuously operable method for producing carbonyl compounds by means of a catalyst containing a nitroxyl radical

The present invention relates to a chemocatalytic liquid-phase process for the direct one-stage amination of alcohols to primary amines by means of ammonia in high yields using a catalyst system containing at least one transition metal compound and a xantphos ligand.

Process for the direct amination of alcohols using ammonia to form primary amines by means of a xantphos catalyst system

The invention relates to a process for preparing primary amines which comprises the process steps

Process for the direct amination of secondary alcohols with ammonia to give primary amines

The invention relates to a method for the amination of at least one keto group in a multicyclic ring system comprising at least one keto group into an amino group, using at least one enzyme E having transaminase activity.

Method for producing multicyclical ring systems carrying amino groups

The present invention relates to a process for preparing primary amines comprising the process steps

Process for homogeneously catalyzed, highly selective direct amination of primary alcohols with ammonia to primary amines with a high volume ratio of liquid phase to gas phase and/or high pressures

The invention relates to a method for producing 2,6-dioxabicyclo-(3.3.0)-octane-4,8-dione (I), comprising the oxidation of dianhydrohexitols (II-IV), or of corresponding hydroxy ketones, with an oxygen-containing gas in the presence of a catalyst composition, the reaction proceeding without the addition of halogen sources.

Method for producing 2,6-dioxabicyclo-(3.3.0)-octane-4,8-dione

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Hanau, Germany

Jan Christoph Pfeffer