Patents by Inventor Helfried Neumann
Helfried Neumann has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20180022773Abstract: Compound of formula (I) where R2, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl; the R1, R3 radicals are each a —(C3-C20)-heteroaryl radical; R1, R3 may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-cycloalkyl, —S—(C1-C12)-alkyl, —S—(C3-C12)-cycloalkyl, —COO—(C1-C12)-alkyl, —COO—(C3-C12)-cycloalkyl, —CONH—(C1-C12)-alkyl, —CONH—(C3-C12)-cycloalkyl, —CO—(C1-C12)-alkyl, —CO—(C3-C12)-cycloalkyl, —N—[(C1-C12)-alkyl]2, —(C6-C20)-aryl, —(C6-C20)-aryl-(C1-C12)-alkyl, —(C6-C20)-aryl-O—(C1-C12)-alkyl, —(C3-C20)-heteroaryl, —(C3-C20)-heteroaryl-(C1-C12)-alkyl, —(C3-C20)-heteroaryl-O—(C1-C12)-alkyl, —COOH, —OH, —SO3H, —NH2, halogen; R2, R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl or —(C6-C20)-aryl, may each independently be substituted by one orType: ApplicationFiled: July 14, 2017Publication date: January 25, 2018Applicant: EVONIK DEGUSSA GMBHInventors: Kaiwu DONG, Ralf JACKSTELL, Helfried NEUMANN, Matthias BELLER, Dirk FRIDAG, Dieter HESS, Katrin Marie DYBALLA, Frank GEILEN, Robert FRANKE
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Publication number: 20180022765Abstract: The invention relates to a process comprising the following process steps: a) introducing a first alcohol, the first alcohol having 2 to 30 carbon atoms; b) adding a phosphine ligand and a compound which comprises Pd, or adding a complex comprising Pd and a phosphine ligand; c) adding a second alcohol; d) supplying CO; e) heating the reaction mixture, the first alcohol reacting with CO and the second alcohol to form an ester; where the phosphine ligand is a compound of formula (I) where m and n are each independently 0 or 1; R1, R2, R3, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl, —(C3-C20)-heteroaryl; at least one of the R1, R2, R3, R4 radicals is a —(C3-C20)-heteroaryl radical; and R1, R2, R3, R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl or —(C3-C20)-heteroaryl, may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cType: ApplicationFiled: July 14, 2017Publication date: January 25, 2018Applicant: EVONIK DEGUSSA GMBHInventors: Kaiwu DONG, Ralf JACKSTELL, Helfried NEUMANN, Matthias BELLER, Dirk FRIDAG, Dieter HESS, Katrin Marie DYBALLA, Frank GEILEN, Robert FRANKE
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Publication number: 20180022772Abstract: Diastereomer mixture comprising diastereomers of the formulae (I.1) and (I.Type: ApplicationFiled: July 14, 2017Publication date: January 25, 2018Applicant: EVONIK DEGUSSA GMBHInventors: Kaiwu DONG, Helfried NEUMANN, Ralf JACKSTELL, Matthias BELLER, Dirk FRIDAG, Dieter HESS, Katrin Marie DYBALLA, Frank GEILEN, Robert FRANKE
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Publication number: 20180022684Abstract: The invention relates to a process comprising the process steps of: a) initially charging an ether having from 3 to 30 carbon atoms; b) adding a phosphine ligand and a compound comprising Pd, or adding a comprising Pd and a phosphine ligand; c) feeding in CO; d) heating the reaction mixture, with conversion of the ether; wherein the phosphine ligand is a compound of formula (I) where m and n are each independently 0 or 1; R1, R2, R3, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl, —(C3-C20)-heteroaryl; at least one of the R1, R2, R3, R4 radicals is a —(C3-C20)-heteroaryl radical; and R1, R2, R3, R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl or —(C3-C20)-heteroaryl, may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)Type: ApplicationFiled: July 17, 2017Publication date: January 25, 2018Applicant: EVONIK DEGUSSA GMBHInventors: Kaiwu DONG, Ralf JACKSTELL, Helfried NEUMANN, Matthias BELLER, Dirk FRIDAG, Dieter HESS, Katrin Marie DYBALLA, Frank GEILEN, Robert FRANKE
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Publication number: 20180022686Abstract: Process comprising the following process steps: a) introducing an ethylenically unsaturated compound; b) adding a ligand-metal complex comprising Pd and a bidentate phosphine ligand, or adding a bidentate phosphine ligand and a compound which comprises Pd; c) adding an alcohol; d) supplying CO; e) heating the reaction mixture, the ethylenically unsaturated compound being reacted to form an ester, where the reaction mixture is admixed with less than 0.1 mol %, based on the amount of substance of the ethylenically unsaturated compound, of Brønsted acids having an acid strength of pKa ?3, characterized in that the phosphine ligand is substituted on at least one phosphorus atom by at least one heteroaryl radical.Type: ApplicationFiled: July 17, 2017Publication date: January 25, 2018Applicant: EVONIK DEGUSSA GMBHInventors: Xiangjie FANG, Kaiwu DONG, Helfried NEUMANN, Ralf JACKSTELL, Matthias BELLER, Dirk FRIDAG, Dieter HESS, Katrin Marie DYBALLA, Frank GEILEN, Robert FRANKE
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Publication number: 20180022685Abstract: The invention relates to a process comprising the following process steps: a) introducing an ether having 3 to 30 carbon atoms; b) adding a phosphine ligand and a compound which comprises Pd, or adding a complex comprising Pd and a phosphine ligand; c) adding an alcohol; d) supplying CO; e) heating the reaction mixture, the ether being reacted for form an ester; where the phosphine ligand is a compound of formula (I) where m and n are each independently 0 or 1; R1, R2, R3, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl, —(C3-C20)-heteroaryl; at least one of the R1, R2, R3, R4 radicals is a —(C3-C20)-heteroaryl radical; and R1, R2, R3, R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl or —(C3-C20)-heteroaryl, may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl,Type: ApplicationFiled: July 17, 2017Publication date: January 25, 2018Applicant: EVONIK DEGUSSA GMBHInventors: Kaiwu DONG, Ralf JACKSTELL, Helfried NEUMANN, Matthias BELLER, Dirk FRIDAG, Dieter HESS, Katrin Marie DYBALLA, Frank GEILEN, Robert FRANKE
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Publication number: 20170320878Abstract: The invention discloses a method for preparation of fluoro, chloro and fluorochloro alkylated compounds by homogeneous Pd catalyzed fluoro, chloro and fluorochloro alkylation with fluoro, chloro and fluorochloroalkyl halides in the presence of di(1-adamantyl)-n-butylphosphine and in the presence of 2,2,6,6-tetramethylpiperidine 1-oxyl.Type: ApplicationFiled: November 5, 2015Publication date: November 9, 2017Applicant: Lonza LtdInventors: Christoph Taeschler, Florencio Zaragoza Doerwald, Stefan Ellinger, Matthias Beller, Helfried Neumann, Lin He, Kishore Natte
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Patent number: 9809596Abstract: The invention discloses a method for preparations of fluoro, chloro and fluorochloro alkylated compounds by homogeneous Pd catalyzed fluoro, chloro and fluorochloro alkylation with fluoro, chloro and fluorochloroalkyl halides in the presence of di(1-adamantyl)-adamantyl-n-butylphosphine and in the presence of 2,2,6,6-tetramethylpiperdine 1-oxyl.Type: GrantFiled: November 5, 2015Date of Patent: November 7, 2017Assignee: Lonza Ltd.Inventors: Christoph Taeschler, Florencio Zaragoza Doerwald, Stefan Ellinger, Matthias Beller, Helfried Neumann, Lin He, Kishore Natte
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Patent number: 9771367Abstract: The invention discloses a method for preparation of alkylated or fluoro, chloro and fluorochloro alkylated compounds by a heterogeneous Pt/C-catalyzed alkylation or fluoro, chloro and fluorochloro alkylation with alkyl halides or with fluoro, chloro and fluorochloro alkyl halides in the presence of Cs2C03 or CsHC03.Type: GrantFiled: June 4, 2015Date of Patent: September 26, 2017Assignee: LONZA LTDInventors: Christoph Taeschler, Matthias Beller, Helfried Neumann, Lin He, Kishore Natte, Stefan Ellinger, Florencio Zaragoza Doerwald
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Patent number: 9725398Abstract: The invention relates to compounds of formula (I) where m and n are each independently 0 or 1; R1, R2, R3, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl, —(C3-C20)-heteroaryl; at least one of the R1, R2, R3, R4 radicals is a —(C3-C20)-heteroaryl radical; and R1, R2, R3, R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl or —(C3-C20)-heteroaryl, may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-cycloalkyl, —S—(C1-C12)-alkyl, —S—(C3-C12)-cycloalkyl, —COO—(C1-C12)-alkyl, —COO—(C3-C12)-cycloalkyl, —CONH—(C1-C12)-alkyl, —CONH—(C3-C12)-cycloalkyl, —CO—(C1-C12)-alkyl, —CO—(C3-C12)-cycloalkyl, —N—[(C1-C12)-alkyl]2, —(C6-C20)-aryl, —(C6-C20)-aryl-(C1-C12)-alkyl, —(C6-C20)-aryl-O—(C1-C12)-alkyl, —(C3-C20)-heteroaryl, —(C3-C20)-heteroaryType: GrantFiled: July 19, 2016Date of Patent: August 8, 2017Assignee: EVONIK DEGUSSA GMBHInventors: Kaiwu Dong, Helfried Neumann, Ralf Jackstell, Matthias Beller, Robert Franke, Dieter Hess, Katrin Marie Dyballa, Dirk Fridag, Frank Geilen
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Patent number: 9688604Abstract: The invention relates to a compound of formula (1) The invention further relates to Pd complexes comprising the compound according to the invention and to the use thereof in alkoxycarbonylation.Type: GrantFiled: July 19, 2016Date of Patent: June 27, 2017Assignee: EVONIK DEGUSSA GMBHInventors: Reiko Jennerjahn, Samet Gülak, Xiangjie Fang, Kaiwu Dong, Helfried Neumann, Ralf Jackstell, Matthias Beller, Robert Franke, Dieter Hess, Katrin Marie Dyballa, Dirk Fridag, Frank Geilen
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Publication number: 20170158695Abstract: The invention discloses a method for preparation of alkylated or fluoro, chloro and fluorochloro alkylated compounds by a heterogeneous Pt/C-catalyzed alkylation or fluoro, chloro and fluorochloro alkylation with alkyl halides or with fluoro, chloro and fluorochloro alkyl halides in the presence of Cs2C03 or CsHC03.Type: ApplicationFiled: June 4, 2015Publication date: June 8, 2017Inventors: Christoph Taeschler, Matthias Beller, Helfried Neumann, Lin He, Kishore Natte, Stefan Ellinger, Florencio Zaragoza Doerwald
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Publication number: 20170022137Abstract: The invention relates to compounds of formula (I) where m and n are each independently 0 or 1; R1, R2, R3, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl, —(C3-C20)-heteroaryl; at least one of the R1, R2, R3, R4 radicals is a —(C3-C20)-heteroaryl radical; and R1, R2, R3, R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl or —(C3-C20)-heteroaryl, may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-cycloalkyl, —S—(C1-C12)-alkyl, —S—(C3-C12)-cycloalkyl, —COO—(C1-C12)-alkyl, —COO—(C3-C12)-cycloalkyl, —CONH—(C1-C12)-alkyl, —CONH—(C3-C12)-cycloalkyl, —CO—(C1-C12)-alkyl, —CO—(C3-C12)-cycloalkyl, —N—[(C1-C12)-alkyl]2, —(C6-C20)-aryl, —(C6-C20)-aryl-(C1-C12)-alkyl, —(C6-C20)-aryl-O—(C1-C12)-alkyl, —(C3-C20)-heteroaryl, —(C3-C20)-heteroaryType: ApplicationFiled: July 19, 2016Publication date: January 26, 2017Applicant: EVONIK DEGUSSA GMBHInventors: Kaiwu DONG, Helfried NEUMANN, Ralf JACKSTELL, Matthias BELLER, Robert FRANKE, Dieter HESS, Katrin Marie DYBALLA, Dirk FRIDAG, Frank GEILEN
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Publication number: 20170022236Abstract: The invention relates to a compound of formula (I) where R1, R2, R3, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl, —(C3-C20)-heteroaryl; at least one of the R1, R2, R3, R4 radicals is a —(C6-C20)-heteroaryl radical having at least six ring atoms; and R1, R2, R3, R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl, —(C3-C20)-heteroaryl or —(C6-C20)-heteroaryl, may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-cycloalkyl, —S—(C1-C12)-alkyl, —S—(C3-C12)-cycloalkyl, —COO—(C1-C12)-alkyl, —COO—(C3-C12)-cycloalkyl, —CONH—(C1-C12)-alkyl, —CONH—(C3-C12)-cycloalkyl, —CO—(C1-C12)-alkyl, —CO—(C3-C12)-cycloalkyl, —N—[(C1-C12)-alkyl]2, —(C6-C20)-aryl, —(C6-C20)-aryl-(C1-C12)-alkyl, —(C6-C20)-aryl-O—(C1-C12)-alkyl, —(C3-C20)-heteroaryl, —(C3Type: ApplicationFiled: July 19, 2016Publication date: January 26, 2017Applicant: EVONIK DEGUSSA GMBHInventors: Kaiwu DONG, Helfried NEUMANN, Ralf JACKSTELL, Matthias BELLER, Robert FRANKE, Dieter HESS, Katrin Marie DYBALLA, Dirk FRIDAG, Frank GEILEN
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Publication number: 20170022234Abstract: The invention relates to a compound of formula (1) The invention further relates to Pd complexes comprising the compound according to the invention and to the use thereof in alkoxycarbonylation.Type: ApplicationFiled: July 19, 2016Publication date: January 26, 2017Applicant: EVONIK DEGUSSA GMBHInventors: Reiko JENNERJAHN, Samet GÜLAK, Xiangjie FANG, Kaiwu DONG, Helfried NEUMANN, Ralf JACKSTELL, Matthias BELLER, Robert FRANKE, Dieter HESS, Katrin Marie DYBALLA, Dirk FRIDAG, Frank GEILEN
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Publication number: 20170022138Abstract: The invention relates to compounds of formula (I) where R1, R2, R3, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl, —(C3-C20)-heteroaryl; at least one of the R1, R2, R3, R4 radicals is a —(C3-C20)-heteroaryl radical; and R1, R2, R3, R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl or —(C3-C20)-heteroaryl, may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-cycloalkyl, —S—(C1-C12)-alkyl, —S—(C3-C12)-cycloalkyl, —COO—(C1-C12)-alkyl, —COO—(C3-C12)-cycloalkyl, —CONH—(C1-C12)-alkyl, —CONH—(C3-C12)-cycloalkyl, —CO—(C1-C12)-alkyl, —CO—(C3-C12)-cycloalkyl, —N—[(C1-C12)-alkyl]2, —(C6-C20)-aryl, —(C6-C20)-aryl-(C1-C12)-alkyl, —(C6-C20)-aryl-O—(C1-C12)-alkyl, —(C3-C20)-heteroaryl, —(C3-C20)-heteroaryl-(C1-C12)-alkyl, —(C3-C20)-heteroarType: ApplicationFiled: July 19, 2016Publication date: January 26, 2017Applicant: EVONIK DEGUSSA GMBHInventors: Kaiwu DONG, Xiangjie FANG, Helfried NEUMANN, Ralf JACKSTELL, Matthias BELLER, Robert FRANKE, Dieter HESS, Katrin Marie DYBALLA, Dirk FRIDAG, Frank GEILEN
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Publication number: 20170022235Abstract: The invention relates to a compound of formula (I) where R1 and R3 are each a heteroaryl radical having five ring atoms, R2 and R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl; R1 and R3 may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-cycloalkyl, —S—(C1-C12)-alkyl, —S—(C3-C12)-cycloalkyl, —COO—(C1-C12)-alkyl, —COO—(C3-C12)-cycloalkyl, —CONH—(C1-C12)-alkyl, —CONH—(C3-C12)-cycloalkyl, —CO—(C1-C12)-alkyl, —CO—(C3-C12)-cycloalkyl, —N—[(C1-C12)-alkyl]2, —(C6-C20)-aryl, —(C6-C20)-aryl-(C1-C12)-alkyl, —(C6-C20)-aryl-O—(C1-C12)-alkyl, —(C3-C20)-heteroaryl, —(C3-C20)-heteroaryl-(C1-C12)-alkyl, —(C3-C20)-heteroaryl-O—(C1-C12)-alkyl, —COOH, —OH, —SO3H, —NH2, halogen; and R2 and R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl or —(C6-C20)-aryl, mayType: ApplicationFiled: July 19, 2016Publication date: January 26, 2017Applicant: EVONIK DEGUSSA GMBHInventors: Kaiwu DONG, Helfried NEUMANN, Ralf JACKSTELL, Matthias BELLER, Robert FRANKE, Dieter HESS, Katrin Marie DYBALLA, Dirk FRIDAG, Frank GEILEN
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Patent number: 9309344Abstract: The present invention relates to a process for preparing polymers by means of ring-opening metathetic polymerization, consisting of the following steps: a) providing a reaction mixture consisting of a cycloalkene or a cycloalkene mixture, b) adding a ruthenium compound of the general formula RuX1X2L1aL2b (I) where a=0 or 1, b=1 or 2, such that a+b=2; X1, X2=independently selected anionic ligands; L1=uncharged ?-binding ligand; L2=N-heterocyclic carbene of the formula IIa, IIb or IIc; c) adding a chain transfer agent in a molar ratio in the range from 1:5 to 1:1000 based on the cycloalkene or the sum total of the cycloalkenes in the cycloalkene mixture, d) converting at a temperature within a range from 0° C. to 250° C.Type: GrantFiled: April 10, 2015Date of Patent: April 12, 2016Assignee: Evonik Degussa GmbHInventors: Renat Kadyrov, Christa Dumrath, Matthias Beller, Andreas Dumrath, Helfried Neumann, Stephanie Klein
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Publication number: 20160031845Abstract: The present invention relates to a process for preparing olefins by means of metathesis, which comprises the following steps a. provision of an olefin reaction mixture containing at least one olefin, b. addition of a ruthenium compound of the general formula [RuX2L1xL2y]z (I), where X=anionic ligand; L1=uncharged ?-bonding ligand; L2=uncharged electron donor ligand; x=0, 1; y=1, 2, 3; z=1, 2, c. addition of a Lewis acid and/or an anionic, noncoordinating salt, d. reaction at temperatures in the range from 30° C. to 140° C., where no addition of an alkyne or alkynol is carried out. The invention further relates to the use of this process in metathesis reactions.Type: ApplicationFiled: February 13, 2014Publication date: February 4, 2016Inventors: Renat Kadyrov, Christa Dumrath, Andreas Dumrath, Helfried Neumann, Matthias Beller
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Publication number: 20150299362Abstract: The present invention relates to a process for preparing polymers by means of ring-opening metathetic polymerization, consisting of the following steps: a) providing a reaction mixture consisting of a cycloalkene or a cycloalkene mixture, b) adding a ruthenium compound of the general formula RuX1X2L1aL2b (I) where a=0 or 1, b=1 or 2, such that a+b=2; X1, X2=independently selected anionic ligands; L1=uncharged ?-binding ligand; L2=N-heterocyclic carbene of the formula IIa, IIb or IIc; c) adding a chain transfer agent in a molar ratio in the range from 1:5 to 1:1000 based on the cycloalkene or the sum total of the cycloalkenes in the cycloalkene mixture, d) converting at a temperature within a range from 0° C. to 250° C.Type: ApplicationFiled: April 10, 2015Publication date: October 22, 2015Applicant: EVONIK INDUSTRIES AGInventors: RENAT KADYROV, CHRISTA DUMRATH, MATTHIAS BELLER, ANDREAS DUMRATH, HELFRIED NEUMANN, STEPHANIE KLEIN