Patents by Inventor Christine Bernegger-Egli

Christine Bernegger-Egli 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).

  • Enzyme for the preparation of 1-amino-4-(hydroxymethyl)-2-cyclopentene derivatives
    Patent number: 7405065
    Abstract: The invention relates to a novel process for the preparation of (1R,4S)- or (1S,4R)-1-amino-4-(hydroxy-methyl)-2-cyclopentene of the formulae and/or of (1S,4R)- or (1R,4S)-amino alcohol derivatives of the general formulae and to novel microorganisms which are able to utilize a cyclopentene derivative of the general formula as sole nitrogen source, as sole carbon source or as sole carbon and nitrogen source.
    Type: Grant
    Filed: July 21, 2004
    Date of Patent: July 29, 2008
    Assignee: Lonza AG
    Inventors: Christine Bernegger-Egli, Olwen M. Birch, Pierre Bossard, Walter Brieden, Frank Brux, Knut Burgdorf, Laurent Duc, Kay-Sarah Etter, Yves Guggisberg, Martin Sauter, Eva Maria Urban
  • Process for the preparation of aminoalcohol derivatives and their further conversion to (1R, 4S)-4(2-amino-6-chloro-5-formamido-4- pyrimidinyl)-amino-2-cyclopentenyl-1-methanol
    Patent number: 7358073
    Abstract: The invention relates to a novel process for the preparation of an aminoalcohol of the formula racemically or optically active, starting from 2-azabicyclo[2.2.1]hept-5-en-3-one, its further conversion to give the corresponding acyl derivative and its further conversion to (1S,4R)- or (1R,4S)-4-(2-amino-6-chloro-9-H-purine-9-yl)-2-cyclopentenyl-1-methanol of the formulae In the latter synthesis, the aminoalcohol is converted into the corresponding D- or L-tartrate, which is then reacted with N-(2-amino-4,6-dichloropyrimidin-5-yl) formamide of the formula to give (1S,4R)- or (1R,4S)-4-[(2-amino-6-chloro-5-formamido-4-pyrimidinyl)amino]-2-cyclopentenyl-1-methanol of the formulae and then cyclized to give the end compounds.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: April 15, 2008
    Assignee: Lonza AG
    Inventors: Walter Brieden, Josef Schroer, Christine Bernegger-Egli, Eva Maria Urban, Michael Petersen, Jean-Paul Roduit, Katja Berchtold, Holger Breitbach
  • Process for the preparation of aminoalcohol derivatives and their further conversion to (1R, 4S)-4(2-amino-6-chloro-5-formamido-4-pyrimidinyl)-amino-2-cyclopentenyl-1-methanol
    Patent number: 7338945
    Abstract: The invention relates to a novel process for the preparation of an aminoalcohol of the formula racemically or optically active, starting from 2-azabicyclo[2.2.1]hept-5-en-3-one, its further conversion to give the corresponding acyl derivative and its further conversion to (1S,4R)- or (1R,4S)-4-(2-amino-6-chloro-9-H-purine-9-yl)-2-cyclopentenyl-1-methanol of the formulae In the latter synthesis, the aminoalcohol is converted into the corresponding D- or L-tartrate, which is then reacted with N-(2-amino-4,6-dichloropyrimidin-5-yl)formamide of the formula to give (1S,4R)- or (1R,4S)-4-[(2-amino-6-chloro-5-formamido-4-pyrimidinyl)amino]-2-cyclopentenyl-1-methanol of the formulae and then cyclized to give the end compounds.
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: March 4, 2008
    Assignee: Lonza AG
    Inventors: Walter Brieden, Josef Schroer, Christine Bernegger-Egli, Eva Maria Urban, Michael Petersen, Jean-Paul Roduit, Katja Berchtold, Holger Breitbach
  • Process for the preparation of aminoalcohol derivatives and their further conversion to (1R,4S)-4-(2-amino-6-chloro-5-formamido-4-pyrimidinyl)-amino)-2-cyclopentenyl-1-methanol
    Patent number: 7229981
    Abstract: The invention relates to a novel process for the preparation of an aminoalcohol of the formula racemically or optically active, starting from 2-azabi-cyclo[2.2.1]hept-5-en-3-one, its further conversion to give the corresponding acyl derivative and its further conversion to (1S,4R)— or (1R,4S)-4-(2-amino-6-chloro-9-H-purine-9-yl)-2-cyclopentenyl-1-methanol of the formulae In the latter synthesis, the aminoalcohol is converted into the corresponding D- or L-tartrate, which is then reacted with N-(2-amino-4,6-dichloropyrimidin-5-yl) formamide of the formula to give (1S, 4R)- or (1R, 4S)-4-[(2-amino-6-chloro-5-formamido-4-pyrimidinyl)amino]-2-cyclopentenyl-1-methanol of the formulae and then cyclized to give the end compounds.
    Type: Grant
    Filed: October 29, 2003
    Date of Patent: June 12, 2007
    Assignee: Lonza AG
    Inventors: Walter Brieden, Josef Schröer, Christine Bernegger-Egli, Eva Maria Urban, Michael Petersen, Jean-Paul Roduit, Katja Berchtold, Holger Breitbach
  • PROCESS FOR THE PREPARATION OF AMINOALCOHOL DERIVATIVES AND THEIR FURTHER CONVERSION TO (1R, 4S)-4(2-AMINO-6-CHLORO-5-FORMAMIDO-4- PYRIMIDINYL)-AMINO-2-CYCLOPENTENYL-1-METHANOL
    Publication number: 20070123545
    Abstract: The invention relates to a novel process for the preparation of an aminoalcohol of the formula racemically or optically active, starting from 2-azabicyclo[2.2.1]hept-5-en-3-one, its further conversion to give the corresponding acyl derivative and its further conversion to (1S,4R)- or (1R,4S)-4-(2-amino-6-chloro-9-H-purine-9-yl)-2-cyclopentenyl-1-methanol of the formulae In the latter synthesis, the aminoalcohol is converted into the corresponding D- or L-tartrate, which is then reacted with N-(2-amino-4,6-dichloropyrimidin-5-yl)formamide of the formula to give (1S,4R)- or (1R,4S)-4-[(2-amino-6-chloro-5-formamido-4-pyrimidinyl)amino]-2-cyclopentenyl-1-methanol of the formulae and then cyclized to give the end compounds.
    Type: Application
    Filed: December 26, 2006
    Publication date: May 31, 2007
    Applicant: Lonza Ltd.
    Inventors: Walter Brieden, Josef Schroer, Christine Bernegger-Egli, Eva Urban, Michael Petersen, Jean-Paul Roduit, Katja Berchtold, Holger Breitbach
  • PROCESS FOR THE PREPARATION OF AMINOALCOHOL DERIVATIVES AND THEIR FURTHER CONVERSION TO (1R, 4S)-4(2-AMINO-6-CHLORO-5-FORMAMIDO-4- PYRIMIDINYL)-AMINO-2-CYCLOPENTENYL-1-METHANOL
    Publication number: 20060211862
    Abstract: The invention relates to a novel process for the preparation of an aminoalcohol of the formula racemically or optically active, starting from 2-azabicyclo[2.2.1]hept-5-en-3-one, its further conversion to give the corresponding acyl derivative and its further conversion to (1S,4R)- or (1R,4S)-4-(2-amino-6-chloro-9-H-purine-9-yl)-2-cyclopentenyl-1-methanol of the formulae In the latter synthesis, the aminoalcohol is converted into the corresponding D- or L-tartrate, which is then reacted with N-(2-amino-4,6-dichloropyrimidin-5-yl) formamide of the formula to give (1S,4R)- or (1R,4S)-4-[(2-amino-6-chloro-5-formamido-4-pyrimidinyl)amino]-2-cyclopentenyl-1-methanol of the formulae and then cyclized to give the end compounds.
    Type: Application
    Filed: May 31, 2006
    Publication date: September 21, 2006
    Applicant: Lonza Inc.
    Inventors: Walter Brieden, Josef Schroer, Christine Bernegger-Egli, Eva Urban, Michael Petersen, Jean-Paul Roduit, Katja Berchtold, Holger Breitbach
  • Process for the preparation of amino alcohols and derivatives thereof
    Publication number: 20040265985
    Abstract: The invention relates to a novel process for the preparation of (1R,4S)- or (1S,4R)-1-amino-4-(hydroxymethyl)-2-cyclopentene of the formulae 1
    Type: Application
    Filed: July 21, 2004
    Publication date: December 30, 2004
    Inventors: Christine Bernegger-Egli, Olwen M. Birch, Pierre Bossard, Walter Brieden, Frank Brux, Knut Burgdorf, Laurent Duc, Kay-Sarah Etter, Yves Guggisberg, Martin Sauter, Eva Maria Urban
  • Process for the preparation of amino alcohols and derivatives thereof and microorganisms useful in process
    Patent number: 6787347
    Abstract: The invention relates to a novel process for the preparation of (1R,4S)- or (1S,4R)-1-amino-4-(hydroxymethyl)-2-cyclopentene of the formulae and/or of (1S,4R)- or (1R,4S)-amino alcohol derivatives of the general formulae and to novel microorganisms which are able to utilize a cyclopentene derivative of the general formula as sole nitrogen source, as sole carbon source or as sole carbon and nitrogen source.
    Type: Grant
    Filed: November 14, 2001
    Date of Patent: September 7, 2004
    Assignee: LONZA AG
    Inventors: Christine Bernegger-Egli, Olwen M. Birch, Pierre Bossard, Walter Brieden, Frank Brux, Knut Burgdorf, Laurent Duc, Kay-Sarah Etter, Yves Guggisberg, Martin Sauter, Eva Maria Urban
  • Method for preparing (1R,4S)-2-azabicyclo[2.2.1]hept-5-ene-3-one derivatives
    Publication number: 20040167351
    Abstract: A biotechnological method is described for preparing compounds of the general formulas 1
    Type: Application
    Filed: February 13, 2004
    Publication date: August 26, 2004
    Inventors: Christine Bernegger-Egli, Frank Brux, Jean Paul Roduit, Oleg Werbitzky, Yves Guggisberg
  • Method for producing (1R,4S)-2-azabicyclo[2.2.1]-hept-5-en-3-on derivatives
    Patent number: 6780634
    Abstract: A biotechnological method is described for preparing compounds of the general formulas wherein R1 is acyl or acyloxy and R2 is a hydrogen atom or C1-10 alkyl, comprising the conversion of a lactam of the general formula by means of a hydrolase in the presence of a nucleophile and in the presence of a base in a constant pH range.
    Type: Grant
    Filed: April 17, 2001
    Date of Patent: August 24, 2004
    Assignee: Lonza AG
    Inventors: Christine Bernegger-Egli, Frank Brux, Jean Paul Roduit, Oleg Werbitzky, Yves Guggisberg
  • Process for the preparation of aminoalcohol derivatives and their further conversion to (1R,4S)-4-(2-amino-6-chloro-5-formamido-4-pyrimidinyl)-amino)-2-cyclopentenyl-1-methanol
    Publication number: 20040142436
    Abstract: The invention relates to a novel process for the preparation of an aminoalcohol of the formula 1
    Type: Application
    Filed: October 29, 2003
    Publication date: July 22, 2004
    Inventors: Walter Brieden, Josef Schroer, Christine Bernegger-Egli, Eva Maria Urban, Michael Petersen, Jean-Paul Roduit, Katja Berchtold, Holger Breitbach
  • Process for the preparation of aminoalcohol derivatives and their further conversion to (1R,4S)-4-((2-amino-6-chloro-5-formamido-4-pyrimidinyl)-amino)-2-cyclopentenyl-1-methanol
    Patent number: 6723868
    Abstract: The invention relates to a novel process for the preparation of an aminoalcohol of the formula racemically or optically active, starting from 2-azabicyclo[2.2.1]hept-5-en-3-one, its further conversion to give the corresponding acyl derivative and its further conversion to (1S,4R)- or (1R,4S)-4-(2-amino-6-chloro-9H-purine-9-yl)-2-cyclopentenyl-1-methanol of the formulae In the latter synthesis, the aminoalcohol is converted into the corresponding D- or L-tartrate, which is then reacted with N-(2-amino-4,6-dichloropyrimidin-5-yl)formamide of the formula to give (1S,4R)- or (1R,4S)-4-[(2-amino-6-chloro-5-formamido-4-pyrimidinyl)amino]-2-cyclopentenyl-1-methanol of the formulae and then cyclized to give the end compounds.
    Type: Grant
    Filed: November 24, 1998
    Date of Patent: April 20, 2004
    Assignee: Lonza AG
    Inventors: Walter Brieden, Josef Schröer, Christine Bernegger-Egli, Eva Maria Urban, Michael Petersen, Jean-Paul Roduit, Katja Berchtold, Holger Breitbach
  • Process for the preparation of amino alcohols and derivatives thereof
    Publication number: 20030008360
    Abstract: The invention relates to a novel process for the preparation of (1R,4S)- or (1S,4R)-1-amino-4-(hydroxymethyl)-2-cyclopentene of the formulae 1
    Type: Application
    Filed: November 14, 2001
    Publication date: January 9, 2003
    Inventors: Christine Bernegger-Egli, Olwen M. Birch, Pierre Bossard, Walter Brieden, Frank Brux, Knut Burgdorf, Laurent Duc, Kay-Sarah Etter, Yves Guggisberg, Martin Sauter, Eva Maria Urban
  • Process for the preparation of aminoalcohol derivatives and their further conversion to (1R, 4S)-4-((2-amino-6-chloro-5-formamido-4-pyrimidinyl)-amino)-2-cyclopentenyl-1-methanol
    Patent number: 6448402
    Abstract: The invention relates to a novel process for the preparation of an aminoalcohol of the formula racemically or optically active, starting from 2-azabicyclo[2.2.1]hept-5-en-3-one, its further conversion to give the corresponding acyl derivative and its further conversion to (1S,4R)— or (1R,4S)-4-(2-amino-6-chloro-9-H-purine-9-yl)-2-cyclopentenyl-1-methanol of the formulae In the latter synthesis, the aminoalcohol is converted into the corresponding D- or L-tartrate, which is then reacted with N-(2-amino-4,6-dichloropyrimidin-5-yl)formamide of the formula to give (1S,4R)— or (1R,4S)-4-[(2-amino-6-chloro-5-formamido-4-pyrimidinyl)amino]-2-cyclopentenyl-1-methanol of the formulae and then cyclized to give the end compounds.
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: September 10, 2002
    Assignee: Lonza AG
    Inventors: Walter Brieden, Josef Schröer, Christine Bernegger-Egli, Eva Maria Urban, Michael Petersen, Jean-Paul Roduit, Katja Berchtold, Holger Breitbach
  • Process for the preparation of amino alcohols and derivatives thereof
    Patent number: 6368850
    Abstract: The invention relates to a novel process for the preparation of (1R,4S)- or (1S,4R)-1-amino-4-(hydroxymethyl)-2-cyclopentene of the formulae and/or of (1S,4R)- or (1R,4S)-amino alcohol derivatives of the general formulae and to novel microorganisms which are able to utilize a cyclopentene derivative of the general formula as sole nitrogen source, as sole carbon source or as sole carbon and nitrogen source. The invention further relates to enzyme extracts and enzymes having N-acetylamino-alcohol hydrolase activity obtainable from these microorganisms.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: April 9, 2002
    Assignee: Lonza AG
    Inventors: Christine Bernegger-Egli, Olwen M. Birch, Pierre Bossard, Walter Brieden, Frank Brux, Knut Burgdorf, Laurent Duc, Kay-Sarah Etter, Yves Guggisberg, Martin Sauter, Eva Maria Urban
  • Process for the preparation of aminoalcohol derivatives and their further conversion to (1R, 4S)-4-((2-amino-6-chloro-5-formamido-4-pyrimidinyl)-amino)-2-cyclopentenyl-1- methanol
    Publication number: 20020010360
    Abstract: The invention relates to a novel process for the preparation of an aminoalcohol of the formula 1
    Type: Application
    Filed: January 30, 2001
    Publication date: January 24, 2002
    Applicant: Lonza AG
    Inventors: Walter Brieden, Josef Schroer, Christine Bernegger-Egli, Eva Maria Urban, Michael Petersen, Jean-Paul Roduit, Katja Berchtold, Holger Breitbach