Patents by Inventor Andreas Hendrikus Maria De Vries

Andreas Hendrikus Maria De Vries 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).

  • Patent number: 10047019
    Abstract: The present invention relates to a process of the asymmetric hydrogenation of an unsaturated ketone or aldehyde by molecular hydrogen in the presence of at least one chiral iridium complex and in the presence of at least one additive and a halogenated alcohol. This process yields chiral compounds in a very efficient way and is very advantageous in that the amount of iridium complex can be remarkably reduced.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: August 14, 2018
    Assignee: DSM IP ASSETS B.V.
    Inventors: Jonathan Alan Medlock, Gerardus Karel Maria Verzijl, Edwin Gerard Ijpeij, Andreas Hendrikus Maria De Vries
  • Patent number: 9611200
    Abstract: The present invention relates to a process of manufacturing (6R,10R)-6,10,14-trimethylpentadecan-2-one in a multistep synthesis from a mixture of (5E,9E)-, (5E,9Z)-, (5Z,9E)- and (5Z.9Z)-isomers of 6,10,14-trimethylpentadeca-5,9,13-trien-2-one or 6,10,14-trimethylpentadeca-5,9-dien-2-one. The process is very advantageous in that it forms in an efficient way the desired chiral product from a mixture of stereoisomers of the starting product.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: April 4, 2017
    Assignee: DSM IP ASSETS B.V.
    Inventors: Werner Bonrath, Thomas Netscher, Jonathan Alan Medlock, René Tobias Stemmler, Johannes Tschumi, Gerardus Karel Maria Verzijl, Andreas Hendrikus Maria De Vries
  • Patent number: 9573872
    Abstract: The present invention relates to a process of manufacturing compound having stereogenic centers from a mixture of E/Z isomers of unsaturated compounds having prochiral double bonds. The hydrogenation product has a specific desired configuration at the stereogenic centers. The process involves an asymmetric hydrogenation and an isomerization step. The process is very advantageous in that it forms the desired chiral product from a mixture of stereoisomers of the starting product in an efficient way.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: February 21, 2017
    Assignee: DSM IP ASSETS B.V.
    Inventors: Werner Bonrath, Thomas Netscher, Jonathan Alan Medlock, René Tobias Stemmler, Gerardus Karel Maria Verzijl, Andreas Hendrikus Maria De Vries
  • Patent number: 9561989
    Abstract: The present invention relates to a process of the asymmetric hydrogenation of a ketal of an unsaturated ketone or an acetal of an unsaturated aldehyde by molecular hydrogen in the presence of at least one chiral iridium complex. This process yields chiral compounds in a very efficient way and is very advantageous in that the amount of iridium complex can be remarkably reduced.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: February 7, 2017
    Assignee: DSM IP ASSETS B.V.
    Inventors: Werner Bonrath, Thomas Netscher, Jonathan Alan Medlock, Gerardus Karel Maria Verzijl, Andreas Hendrikus Maria De Vries
  • Patent number: 9458076
    Abstract: The present invention relates to a process of manufacturing compound having stereogenic centers from a mixture of E/Z isomers of unsaturated compounds having prochiral double bonds. The hydrogenation product has a specific desired configuration at the stereogenic centers. The process involves two asymmetric hydrogenation steps. The process is very advantageous in that it forms the desired chiral product from a mixture of stereoisomers of the starting product in an efficient way.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: October 4, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Werner Bonrath, Thomas Netscher, Jonathan Alan Medlock, René Tobias Stemmler, Gerardus Karel Maria Verzijl, Andreas Hendrikus Maria De Vries
  • Patent number: 9452961
    Abstract: The present invention relates to a process of manufacturing (6R,10R)-6,10,14-trimetylpentadecan-2-one in a multistep synthesis from 6,10-dimetylundec-5-en-2-one or 6,10-dimetylundeca-5,9-dien-2-one. The process is very advantageous in that it forms in an efficient way the desired chiral product from a mixture of stereoisomers of the starting product.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: September 27, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Werner Bonrath, Thomas Netscher, Jonathan Alan Medlock, René Tobias Stemmler, Johannes Tschumi, Gerardus Karel Maria Verzijl, Andreas Hendrikus Maria De Vries
  • Publication number: 20160185702
    Abstract: The present invention relates to a process of manufacturing compound having stereogenic centres from a mixture of E/Z isomers of unsaturated compounds having prochiral double bonds. The hydrogenation product has a specific desired configuration at the stereogenic centres. The process involves an asymmetric hydrogenation and an isomerization step. The process is very advantageous in that it forms the desired chiral product from a mixture of stereoisomers of the starting product in an efficient way.
    Type: Application
    Filed: December 18, 2013
    Publication date: June 30, 2016
    Inventors: Werner BONRATH, Thomas NETSCHER, Jonathan Alan MEDLOCK, René Tobias STEMMLER, Gerardus Karel Maria VERZIJL, Andreas Hendrikus Maria DE VRIES
  • Publication number: 20160185683
    Abstract: The present invention relates to a process of the asymmetric hydrogenation of a ketal of an unsaturated ketone or an acetal of an unsaturated aldehyde by molecular hydrogen in the presence of at least one chiral iridium complex. This process yields chiral compounds in a very efficient way and is very advantageous in that the amount of iridium complex can be remarkably reduced.
    Type: Application
    Filed: December 18, 2013
    Publication date: June 30, 2016
    Inventors: Werner BONRATH, Thomas NETSCHER, Jonathan Alan MEDLOCK, Gerardus Karel Maria VERZIJL, Andreas Hendrikus Maria DE VRIES
  • Publication number: 20150329457
    Abstract: The present invention relates to a process of manufacturing (6R,10R)-6,10,14-trimetylpentadecan-2-one in a multistep synthesis from 6,10-dimetylundec-5-en-2-one or 6,10-dimetylundeca-5,9-dien-2-one. The process is very advantageous in that it forms in an efficient way the desired chiral product from a mixture of stereoisomers of the starting product.
    Type: Application
    Filed: December 18, 2013
    Publication date: November 19, 2015
    Applicant: DSM IP ASSETS B.V.
    Inventors: Werner BONRATH, Thomas NETSCHER, Jonathan Alan MEDLOCK, René Tobias STEMMLER, Johannes TSCHUMI, Gerardus Karel Maria VERZIJL, Andreas Hendrikus Maria DE VRIES
  • Publication number: 20150329456
    Abstract: The present invention relates to a process of manufacturing (6R,10R)-6,10,14-trimethylpentadecan-2-one in a multistep synthesis from a mixture of (5E,9E)-, (5E,9Z)-, (5Z,9E)- and (5Z.9Z)-isomers of 6,10,14-trimethylpentadeca-5,9,13-trien-2-one or 6,10,14-trimethylpentadeca-5,9-dien-2-one. The process is very advantageous in that it forms in an efficient way the desired chiral product from a mixture of stereoisomers of the starting product.
    Type: Application
    Filed: December 18, 2013
    Publication date: November 19, 2015
    Inventors: Werner BONRATH, Thomas NETSCHER, Jonathan Alan MEDLOCK, René Tobias STEMMLER, Johannes TSCHUMI, Gerardus Karel Maria VERZIJL, Andreas Hendrikus Maria DE VRIES
  • Publication number: 20150321971
    Abstract: The present invention relates to a process of the asymmetric hydrogenation of an unsaturated ketone or aldehyde by molecular hydrogen in the presence of at least one chiral iridium complex and in the presence of at least one additive and a halogenated alcohol. This process yields chiral compounds in a very efficient way and is very advantageous in that the amount of iridium complex can be remarkably reduced.
    Type: Application
    Filed: December 18, 2013
    Publication date: November 12, 2015
    Inventors: Jonathan Alan MEDLOCK, Gerardus Karel Maria VERZIJL, Edwin Gerard IJPEIJ, Andreas Hendrikus Maria DE VRIES
  • Publication number: 20150321986
    Abstract: The present invention relates to a process of manufacturing compound having stereogenic centres from a mixture of E/Z isomers of unsaturated compounds having prochiral double bonds. The hydrogenation product has a specific desired configuration at the stereogenic centres. The process involves two asymmetric hydrogenation steps. The process is very advantageous in that it forms the desired chiral product from a mixture of stereoisomers of the starting product in an efficient way.
    Type: Application
    Filed: December 18, 2013
    Publication date: November 12, 2015
    Inventors: Werner BONRATH, Thomas NETSCHER, Jonathan Alan MEDLOCK, René Tobias STEMMLER, Gerardus Karel Maria VERZIJL, Andreas Hendrikus Maria DE VRIES
  • Patent number: 9139515
    Abstract: This invention relates to a novel process for the synthesis of R-biphenylalaninol and to intermediate compounds that are formed in the process according to the invention, i.e. novel intermediates useful in the synthesis of R-biphenylalaninol. The invention also relates to R-biphenylalaninol, The process according to the invention, the intermediates to of R-biphenylalaninol and of R-biphenylalaninol are all useful in the synthesis of pharmaceutically active compounds.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: September 22, 2015
    Assignee: DPx Holdings B.V.
    Inventors: Petrus Johannes Hermsen, Peter Hans Ermann, Peter Hans Riebel, Michael Wolberg, Andreas Hendrikus Maria De Vries
  • Publication number: 20140296559
    Abstract: This invention relates to a novel process for the synthesis of R-biphenylalaninol and to intermediate compounds that are formed in the process according to the invention, i.e. novel intermediates useful in the synthesis of R-biphenylalaninol. The in vention also relates to R-biphenylalaninol, The process according to the invention, the intermediates to of R-biphenylalaninol and of R-biphenylalaninol are all useful in the synthesis of pharmaceutically active compounds.
    Type: Application
    Filed: August 16, 2012
    Publication date: October 2, 2014
    Applicants: DSM FINE CHEMICALS AUSTRIA NFG. GMBH & CO KG, DSM IP ASSETS B.V.
    Inventors: Petrus Johannes Hermsen, Peter Hans Ermann, Peter Hans Riebel, Michael Wolberg, Andreas Hendrikus Maria De Vries
  • Publication number: 20130310577
    Abstract: Described is a method for the preparation of renin inhibitors such as aliskiren, and intermediates useful therein. The method introduces a nitrogen-containing intermediate such as a lactone of formula (8). with R4 being a branched C3-6 alkyl. In the preparation of the lactone, or related intermediates, a desired stereochemical configuration can be controlled by starting from a chiral aldehyde satisfying formula (10).
    Type: Application
    Filed: July 11, 2013
    Publication date: November 21, 2013
    Applicant: DSM IP ASSETS B.V.
    Inventors: Ben DE LANGE, Anna Maria Cornelia Francisca CASTELIJNS, Johannes Gerardus DE VRIES, Andreas Hendrikus Maria DE VRIES, Jeroen Antonius Franciscus BOOGERS
  • Patent number: 8563279
    Abstract: Described is a method for the preparation of renin inhibitors such as aliskiren, and intermediates useful therein. The method introduces a nitrogen-containing intermediate such as a lactone of formula (8). with R4 being a branched C3—6 alkyl. In the preparation of the lactone, or related intermediates, a desired stereochemical configuration can be controlled by starting from a chiral aldehyde satisfying formula (10).
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: October 22, 2013
    Assignee: DSM IP Assets B.V.
    Inventors: Ben De Lange, Anna Maria Cornelia Francisca Castelijns, Johannes Gerardus De Vries, Andreas Hendrikus Maria De Vries, Jeroen Antonius Franciscus Boogers, Quirinus Bernardus Broxterman
  • Publication number: 20130252288
    Abstract: The invention relates to a process for the preparation of a chiral compound, comprising enantioselectively reducing a carbon-carbon double bond of an ?,?-unsaturated compound in a mixture comprising both an E isomer and a Z isomer of the ?,?-unsaturated compound, wherein both E isomer and Z isomer are converted in the presence of a hydrogenation catalyst.
    Type: Application
    Filed: July 11, 2008
    Publication date: September 26, 2013
    Inventors: Stefaan Marie André De Wildeman, Henricus Martinus Maria Straatman, Gerardus Karel Maria Verzijl, Linda M. Vermote, Andreas Hendrikus Maria De Vries
  • Patent number: 8314238
    Abstract: The present invention relates to a process for the preparation of the compound of formula (7) which process comprises the hydrogenation of the compound of formula (4) using bis[chloro-1,5-cyclooctadiene-iridium], (S)-i-dicyclohexylphosphino-2-[(S)-?-(dimethylamino)-2-(dicyclohexylphosphino)benzyl]-ferrocene as a catalyst.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: November 20, 2012
    Assignee: Actelion Pharmaceuticals Ltd.
    Inventors: Erhard Bappert, Andreas Hendrikus Maria De Vries, Doris Domin, Matthias Helms, Christoph Imboden, Zarghun Nazir, Wolfgang Skranc, Felix Spindler, Michael Stanek, Wilhelm Tschebull, Gerardus Karel Maria Verzijl
  • Patent number: 8088955
    Abstract: This invention relates to novel alpha-substituted ?,?-unsaturated E- or Z-aldehydes, or isomer mixture thereof, of the formula (I) in which R1 and R2 may be identical or different and are each H or a hydrocarbon, in which the hydrocarbon may have one or more heteroatoms and R3 and R4 may be identical or different and are each a hydrocarbon, in which the hydrocarbon may have one or more heteroatoms, and R5 may be identical or different and is H or a hydrocarbon, in which the hydrocarbon may have one or more heteroatoms, to the use thereof, and to processes for their preparation. The invention further relates to the preparation of further intermediates for pharmaceuticals and to the preparation of the pharmaceuticals.
    Type: Grant
    Filed: July 11, 2008
    Date of Patent: January 3, 2012
    Assignee: DSM Fine Chemicals Austria NFG GmbH & Co. KG
    Inventors: Gerhard Steinbauer, Martina Kotthaus, Klaus Edegger, Stefaan Marie Andre De Wildeman, Henricus Martinus Maria Gerardus Straatman, Anna Maria Cornelia Francisca Castelijns, Andreas Hendrikus Maria De Vries
  • Patent number: 8088954
    Abstract: The invention relates to a compound according to Formula (IX) and salts thereof, wherein R1, R2 and R5 are each independently selected from H and hydrocarbon moieties, which hydrocarbon moieties optionally comprise one or more heteroatoms, and which hydrocarbons optionally comprise substituents, or when the compound according to formula (IX) is a salt, R1 and/or R2 may be a cation, R3, and R4 each independently selected from hydrocarbon moieties, which hydrocarbon moieties optionally comprise one or more heteroatoms, and which hydrocarbons optionally comprise substituents, and wherein any two of R1, R2, R3, R4 and R5 are optionally linked together to form a ring structure. The invention further relates to the preparation of such a compound and to the use of such a compound for preparing a pharmaceutical compound, an agrochemical compound, an intermediate for a pharmaceutical compound or an intermediate for an agrochemical compound.
    Type: Grant
    Filed: July 11, 2008
    Date of Patent: January 3, 2012
    Assignee: DSM IP Assets B.V.
    Inventors: Gerardus Karel Maria Verzijl, Henricus Martinus Maria Gerardus Straatman, Andreas Hendrikus Maria De Vries, Lizette Schmieder, Jeroen Antonius Franciscus Boogers