Patents by Inventor Bernhard Wietfeld
Bernhard Wietfeld 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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Patent number: 11786498Abstract: The invention relates to polymorphic forms of the calcium salt of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester. The calcium salt of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester is useful in the treatment of various conditions and disorders responsive to the inhibition of neutral endopeptidases.Type: GrantFiled: July 2, 2015Date of Patent: October 17, 2023Assignee: Novartis AGInventors: David Hook, Bin Hu, Florian Karl Kleinbeck, Ulrich Meier, Sibylle Mueller, Jean-Paul Mutz, Jan Schlomach, Paul Allen Sutton, Liladhar Murlidhar Waykole, Bernhard Wietfeld
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Patent number: 11434192Abstract: The present invention relates to a new chemical synthesis, intermediates and catalysts useful for the preparation of the neprilysin (NEP) inhibitor sacubitril. It further relates to new intermediate compounds and their use for said new chemical synthesis route.Type: GrantFiled: June 25, 2019Date of Patent: September 6, 2022Assignee: Novartis AGInventors: Florian Karl Kleinbeck-Riniker, Benjamin Martin, Gerhard Penn, Francesco Venturoni, Thierry Schlama, Thomas Ruch, Thomas Allmendinger, Bernhard Wietfeld, Paolo Filipponi
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Publication number: 20190308927Abstract: The present invention relates to a new chemical synthesis, intermediates and catalysts useful for the preparation of the neprilysin (NEP) inhibitor sacubitril. It further relates to new intermediate compounds and their use for said new chemical synthesis route.Type: ApplicationFiled: June 25, 2019Publication date: October 10, 2019Inventors: Florian Karl KLEINBECK-RINIKER, Benjamin MARTIN, Gerhard PENN, Francesco VENTURONI, Thierry SCHLAMA, Thomas RUCH, Thomas ALLMENDINGER, Bernhard WIETFELD, Paolo FILIPPONI
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Patent number: 10377697Abstract: The present invention relates to a new chemical synthesis, intermediates and catalysts useful for the preparation of the neprilysin (NEP) inhibitor sacubitril. It further relates to new intermediate compounds and their use for said new chemical synthesis route.Type: GrantFiled: December 8, 2016Date of Patent: August 13, 2019Assignee: Novartis AGInventors: Florian Karl Kleinbeck-Riniker, Benjamin Martin, Gerhard Penn, Francesco Venturoni, Thierry Schlama, Thomas Ruch, Thomas Allmendinger, Bernhard Wietfeld, Paolo Filipponi
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Publication number: 20180354889Abstract: The present invention relates to a new chemical synthesis, intermediates and catalysts useful for the preparation of the neprilysin (NEP) inhibitor sacubitril. It further relates to new intermediate compounds and their use for said new chemical synthesis route.Type: ApplicationFiled: December 8, 2016Publication date: December 13, 2018Inventors: Florian Karl KLEINBECK-RINIKER, Benjamin MARTIN, Gerhard PENN, Francesco VENTURONI, Thierry SCHLAMA, Thomas RUCH, Thomas ALLMENDINGER, Bernhard WIETFELD, Paolo FILIPPONI
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Patent number: 9206116Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.Type: GrantFiled: February 20, 2015Date of Patent: December 8, 2015Assignee: NOVARTIS AGInventors: David Hook, Thomas Ruch, Bernard Riss, Bernhard Wietfeld, Gottfried Sedelmeier, Matthias Napp, Markus Bänziger, Steven Hawker, Lech Ciszewski, Liladhar Murlidhar Waykole
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Publication number: 20150218223Abstract: The invention provides cyclo[{4-(NH2—C2H4—NH—CO—O—)Pro}-Phg-DTrp-Lys-Tyr(4-Benzyl)-Phe], optionally in protected form, or a pharmaceutically acceptable salt or complex thereof, which has interesting pharmaceutical properties.Type: ApplicationFiled: April 8, 2015Publication date: August 6, 2015Applicant: Novartis AGInventors: Rainer Albert, Wilfried Bauer, David Bodmer, Christian Bruns, Ivo Felner, Heribert Hellstern, Ian Lewis, Mark Meisenbach, Gisbert Weckbecker, Bernhard Wietfeld
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Publication number: 20150166468Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.Type: ApplicationFiled: February 20, 2015Publication date: June 18, 2015Inventors: David Hook, Thomas Ruch, Bernard Riss, Bernhard Wietfeld, Gottfried Sedelmeier, Matthias Napp, Markus Bänziger, Steven Hawker, Lech Ciszewski, Liladhar Murlidhar Waykole
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Patent number: 9035021Abstract: The invention provides cyclo[{4-(NH2—C2H4—NH—CO—O—)Pro}-Phg-DTrp-Lys-Tyr(4-Benzyl)-Phe], optionally in protected form, or a pharmaceutically acceptable salt or complex thereof, which has interesting pharmaceutical properties.Type: GrantFiled: March 16, 2011Date of Patent: May 19, 2015Assignee: Novartis AGInventors: Rainer Albert, Wilfried Bauer, David Bodmer, Christian Bruns, Ivo Felner, Heribert Hellstern, Ian Lewis, Mark Meisenbach, Gisbert Weckbecker, Bernhard Wietfeld
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Patent number: 8993785Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.Type: GrantFiled: March 25, 2014Date of Patent: March 31, 2015Assignee: Novartis AGInventors: David Hook, Thomas Ruch, Bernard Riss, Bernhard Wietfeld, Gottfried Sedelmeier, Matthias Napp, Markus Bänziger, Steven Hawker, Lech Ciszewski, Liladhar Murlidhar Waykole
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Patent number: 8946481Abstract: The invention relates to a process for producing a compound according to formula (i) or salt thereof, wherein R1 and R1? are independently hydrogen or an amine protecting group and R2 is a carboxyl group or an ester group, comprising reacting a compound according to formula (ii) or salt thereof, wherein R1, R1? and R2 are defined as above, with hydrogen in the presence of a transition metal catalyst and a chiral ligand, wherein the transition metal is selected from group 7, 8 or 9 of the periodic table. Furthermore, the invention relates to products obtainable by said process and to their use in the production of NEP inhibitors. Moreover, the invention relates to the use of transition metal catalyst in the preparation of NEP inhibitors or prodrugs thereof.Type: GrantFiled: October 26, 2012Date of Patent: February 3, 2015Assignee: Novartis AGInventors: David Hook, Bernhard Wietfeld, Matthias Lotz
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Publication number: 20140249320Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.Type: ApplicationFiled: March 25, 2014Publication date: September 4, 2014Inventors: David Hook, Thomas Ruch, Bernard Riss, Bernhard Wietfeld, Gottfried Sedelmeier, Matthias Napp, Markus Bänziger, Steven Hawker, Lech Ciszewski, Liladhar Murlidhar Waykole
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Patent number: 8822637Abstract: The invention provides cyclo[{4-(NH2—C2H4—NH—CO—O-)Pro}-Phg-DTrp-Lys-Tyr(4-Benzyl)-Phe], optionally in protected form, or a pharmaceutically acceptable salt or complex thereof, which has interesting pharmaceutical properties.Type: GrantFiled: March 16, 2011Date of Patent: September 2, 2014Assignee: Novartis AGInventors: Rainer Albert, Wilfried Bauer, David Bodmer, Christian Bruns, Ivo Felner, Heribert Hellstern, Ian Lewis, Mark Meisenbach, Gisbert Weckbecker, Bernhard Wietfeld
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Patent number: 8716495Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.Type: GrantFiled: December 21, 2011Date of Patent: May 6, 2014Assignee: Novartis AGInventors: David Hook, Thomas Ruch, Bernhard Riss, Bernhard Wietfeld, Gottfried Sedelmeier, Matthias Napp, Markus Bänziger, Steven Hawker, Lech Ciszewski, Liladhar M Waykole
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Publication number: 20120142916Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.Type: ApplicationFiled: December 21, 2011Publication date: June 7, 2012Inventors: David Hook, Thomas Ruch, Bernhard Riss, Bernhard Wietfeld, Gottfried Sedelmeier, Matthias Napp, Markus Bänziger, Steven Hawker, Lech Ciszewski, Liladhar Murtidhar Waykole
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Patent number: 8115016Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.Type: GrantFiled: January 10, 2008Date of Patent: February 14, 2012Assignee: Novartis AGInventors: David Hook, Thomas Ruch, Bernhard Riss, Bernhard Wietfeld, Gottfried Sedelmeier, Matthias Napp, Markus Bänziger, Steven Hawker, Lech Ciszewski, Liladhar M Waykole
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Publication number: 20110172157Abstract: The invention provides cyclo[{4-(NH2—C2H4—NH—CO—O—)Pro}-Phg-DTrp-Lys-Tyr(4-Benzyl)-Phe], optionally in protected form, or a pharmaceutically acceptable salt or complex thereof, which has interesting pharmaceutical properties.Type: ApplicationFiled: March 16, 2011Publication date: July 14, 2011Applicant: NOVARTIS AGInventors: Rainer Albert, Wilfried Bauer, David Bodmer, Christian Bruns, Ivo Felner, Heribert Hellstern, Ian Lewis, Mark Meisenbach, Gisbert Weckbecker, Bernhard Wietfeld
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Publication number: 20110166320Abstract: The invention provides cyclo[{4-(NH2—C2H4—NH—CO—O—)Pro}-Phg-DTrp-Lys-Tyr(4-Benzyl)-Phe], optionally in protected form, or a pharmaceutically acceptable salt or complex thereof, which has interesting pharmaceutical properties.Type: ApplicationFiled: March 16, 2011Publication date: July 7, 2011Applicant: NOVARTIS AGInventors: Rainer Albert, Wilfried Bauer, David Bodmer, Christian Bruns, Ivo Felner, Heribert Hellstern, Ian Lewis, Mark Meisenbach, Gisbert Weckbecker, Bernhard Wietfeld
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Patent number: 7939625Abstract: The invention provides cyclo[{4-(NH2—C2H4—NH—CO—O—)Pro}-Phg-DTrp-Lys-Tyr(4-Benzyl)-Phe], optionally in protected form, or a pharmaceutically acceptable salt or complex thereof, which has interesting pharmaceutical properties.Type: GrantFiled: November 5, 2008Date of Patent: May 10, 2011Assignee: Novartis AGInventors: Rainer Albert, Wilfried Bauer, David Bodmer, Christian Bruns, Ivo Felner, Heribert Hellstern, Ian Lewis, Mark Meisenbach, Gisbert Weckbecker, Bernhard Wietfeld
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Publication number: 20100113801Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.Type: ApplicationFiled: January 10, 2008Publication date: May 6, 2010Inventors: David Hook, Thomas Ruch, Bernhard Riss, Bernhard Wietfeld, Gottfried Sedelmeier, Matthias Napp, Markus Bänziger, Steven Hawker, Lech Ciszewski, Liladhar M. Waykole