Patents by Inventor Youla S. Tsantrizos

Youla S. Tsantrizos 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: 7888363
    Abstract: An isomer, enantiomer, diastereoisomer or tautomer of a compound, represented by formula I: wherein A, B, R2, R3, L, M1, M2, M3, M4, Y1, Y0, Z and Sp are as defined in claim 1, or a salt thereof, as an inhibitor of HCV NS5B polymerase.
    Type: Grant
    Filed: February 7, 2007
    Date of Patent: February 15, 2011
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Pierre Louis Beaulieu, Christian Brochu, Catherine Chabot, Eric Jolicoeur, Stephen Kawai, Marc-André Poupart, Youla S. Tsantrizos
  • Publication number: 20110028464
    Abstract: Compounds of formula I: wherein c, R2, R3, R4, R5, R6, R7 and R8 are defined herein, are useful as inhibitors of HIV replication.
    Type: Application
    Filed: November 3, 2008
    Publication date: February 3, 2011
    Applicant: BOEHRINGER INGLEHEIM INTERNATIONAL GMBH
    Inventors: Youla S. Tsantrizos, Murray D. Bailey, François Bilodeau, Rebekah J. Carson, Lee Fader, Teddy Halmos, Stephen Kawai, Serge R. Landry, Steven Laplante, Bruno Simoneau
  • Patent number: 7879851
    Abstract: An enantiomer, diastereoisomer or tautomer of a compound, represented by formula I: wherein A, B, R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 are as defined herein, or a salt or ester thereof, as an inhibitor of HCV NS5B polymerase.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: February 1, 2011
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Youla S. Tsantrizos, Catherine Chabot, Pierre Beaulieu, Christian Brochu, Martin Poirier, Timothy A. Stammers, Bounkham Thavonekham, Jean Rancourt
  • Publication number: 20110015203
    Abstract: An enantiomer, diastereoisomer or tautomer of a compound, represented by formula I: wherein A, B, R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 are as defined herein, or a salt or ester thereof, as an inhibitor of HCV NS5B polymerase.
    Type: Application
    Filed: September 27, 2010
    Publication date: January 20, 2011
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Youla S. TSANTRIZOS, Catherine CHABOT, Pierre BEAULIEU, Christian BROCHU, Martin POIRIER, Timothy A. STAMMERS, Bounkham THAVONEKHAM, Jean RANCOURT
  • Publication number: 20100311735
    Abstract: Compounds of formula I: wherein R4, R6 and R7 are defined herein, are useful as inhibitors of HIV replication.
    Type: Application
    Filed: September 11, 2008
    Publication date: December 9, 2010
    Applicant: BOEHRINGER INGLEHEIM INTERNATIONAL GMBH
    Inventors: Youla S. Tsantrizos, Murray D. Bailey, Francois Bilodeau, Rene Coulombe, Teddy Halmos, Stephen Kawai, Serge R. Landry, Steven LaPlante, Sebastien Morin, Marc-Andre Poupart, Bruno Simoneau, Lee Fader, Rebekah J. Carson, Mathieu Parisien
  • Publication number: 20100305115
    Abstract: The present invention relates to compounds of formula (I) wherein c, X, Y, R2, R3, R4 and R6 are as defined herein, compositions and uses thereof for treating human immunodeficiency virus (HIV) infection.
    Type: Application
    Filed: November 3, 2008
    Publication date: December 2, 2010
    Applicant: BOEHRINGER INGLEHEIM INTERNATIONAL GMBH
    Inventors: Rebekah J. Carson, Lee Fader, Stephen Kawai, Serge R. Landry, Youla S. Tsantrizos, Christian Brochu, Sebastien Morin, Mathieu Parisien, Bruno Simoneau
  • Publication number: 20100168098
    Abstract: The present invention relates to compounds represented by formula (I) wherein A, B, D, E, R2, R3, R4, R5, R6, R9, a, b, d and e are as defined herein, their salt or ester and pharmaceutical compositions thereof useful in the treatment of hepatitis C viral (HCV) infection.
    Type: Application
    Filed: August 3, 2006
    Publication date: July 1, 2010
    Inventor: Youla S. Tsantrizos
  • Patent number: 7582766
    Abstract: The use of a compound of formula (II): or its enantiomers or diastereoisomers thereof, or salts or pharmaceutically-acceptable esters thereof, in the treatment or prevention of a papilloma virus infection, particularly human papilloma virus in a mammal, wherein R11; X4; X5; X6; R13; R14; W; Z; Y; T; and R18 are defined herein. The present invention also provides novel compounds, pharmaceutical compositions and methods for using these compounds and compositions in the treatment or prevention of papilloma virus infection. More particularly, the present invention provides compounds, compositions and methods for inhibiting papilloma virus DNA replication by interfering with the E1-E2 protein-protein interaction essential for viral DNA replication.
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: September 1, 2009
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Youla S. Tsantrizos, Anne-Marie Faucher, Jean Rancourt, Peter White
  • Patent number: 7582770
    Abstract: An enantiomer, diastereoisomer or tautomer of a compound, represented by formula I: wherein A, B, R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 are as defined herein, or a salt or ester thereof, as an inhibitor of HCV NS5B polymerase.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: September 1, 2009
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Youla S. Tsantrizos, Catherine Chabot, Pierre Beaulieu, Christian Brochu, Timothy A. Stammers, Bounkham Thavonekham, Jean Rancourt
  • Patent number: 7576079
    Abstract: An isomer, enantiomer, diastereoisomer or tautomer of a compound, represented by formula I: wherein: A is O, S, NR1, or CR1, wherein R1 is defined herein; ?represents either a single or a double bond; R2 is selected from 6 or 10-membered aryl and Het, each optionally substituted with R20; provided that Het is not a 5- or 6-membered monocyclic heterocycle having 1 or 2 nitrogen heteroatoms; B is NR3 or CR3, with the proviso that one of A or B is either CR1 or CR3, wherein R3 is defined herein; K is N or CR4, wherein R4 is defined herein; L is N or CR5, wherein R5 has the same definition as R4; M is N or CR7, wherein R7 has the same definition as R4; Y1 is O or S; Z is N(R6a)R6 or OR6, wherein R6a is H or alkyl or NR61R62 wherein R61 and R62 are defined herein; and R6 is H, alkyl, cycloalkyl, alkenyl, Het, alkyl-aryl, alkyl-Het; or R6 is wherein R7 and R8 and Q are as defined herein; Y2 is O or S; R9 is H, (C1-6 alkyl), (C3-7)cycloalkyl or (C1-6)alkyl-(C3-7)cycloalkyl, aryl, Het, (C1-6)alkyl-aryl
    Type: Grant
    Filed: January 17, 2006
    Date of Patent: August 18, 2009
    Assignee: Boehringer Ingelheim (Canada) Ltd.
    Inventors: Pierre Louis Beaulieu, Gulrez Fazal, Sylvie Goulet, George Kukolj, Martin Poirier, Youla S. Tsantrizos, James Gillard, Marc-Andre Poupart
  • Publication number: 20090170859
    Abstract: An enantiomer, diastereoisomer or tautomer of a compound, represented by formula I: wherein A, B, R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 are as defined herein, or a salt or ester thereof, as an inhibitor of HCV NS5B polymerase.
    Type: Application
    Filed: February 17, 2009
    Publication date: July 2, 2009
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Youla S. TSANTRIZOS, Catherine CHABOT, Pierre BEAULIEU, Christian BROCHU, Martin POIRIER, Timothy A. STAMMERS, Bounkham THAVONEKHAM, Jean RANCOURT
  • Publication number: 20090087409
    Abstract: An isomer, enantiomer, diastereoisomer or tautomer of a compound, represented by formula I: wherein: A is O, S, NR1, or CR1, wherein R1 is defined herein; represents either a single or a double bond; R2 is selected from: H, halogen, R21, OR21, SR21, COOR21, SO2N(R22)2, N(R22)2, CON(R22)2, NR22C(O)R22 or NR22C(O)NR22 wherein R21 and each R22 is defined herein; B is NR3 or CR3, with the proviso that one of A or B is either CR1 or CR3, wherein R3 is defined herein; K is N or CR4, wherein R4 is defined herein; L is N or CR5, wherein R5 has the same definition as R4; M is N or CR7, wherein R7 has the same definition as R4; Y1 is O or S; Z is N(R6a)R6 or OR6, wherein R6a is H or alkyl or NR61R62 wherein R61 and R62 are defined herein; and R6 is H, alkyl, cycloalkyl, alkenyl, Het, alkyl-aryl, alkyl-Het; or R6 is wherein R7 and R8 and Q are as defined herein; Y2 is O or S; R9 is H, (C1-6 alkyl), (C3-7)cycloalkyl or (C1-6)alkyl-(C3-7)cycloalkyl, aryl, Het, (C1-6)alkyl-aryl or (C1-6)alkyl-Het, al
    Type: Application
    Filed: November 26, 2008
    Publication date: April 2, 2009
    Applicant: Boehringer Ingelheim (Canada) Ltd.
    Inventors: Pierre Louis Beaulieu, Gulrez Fazal, Sylvie Goulet, George Kukolj, Martin Poirier, Youla S. Tsantrizos, Eric Jolicoeur, James Gillard, Marc-Andre Poupart, Jean Rancourt
  • Publication number: 20080221159
    Abstract: Compounds of formula I: wherein a, b, c, X, R2, R3, R4, R6 and R7 are defined herein, are useful as inhibitors of HIV replication.
    Type: Application
    Filed: May 9, 2007
    Publication date: September 11, 2008
    Inventors: Youla S. TSANTRIZOS, Michael BOES, Christian BROCHU, Craig FENWICK, Stephen MASON, Marc PESANT, Eric MALENFANT
  • Patent number: 7241801
    Abstract: A compound, represented by formula (I): wherein A, B, R1, R2, R3, R5, R6, R7, R9, and R10 are as defined herein, or an enantiomer, diastereoisomer or tautomer thereof, including a salt, ester or derivative thereof, as an inhibitor of HCV NS5B polymerase.
    Type: Grant
    Filed: July 15, 2005
    Date of Patent: July 10, 2007
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Pierre Beaulieu, Christian Brochu, Stephen Kawai, Jean Rancourt, Timothy A. Stammers, Bounkham Thavonekham, Youla S. Tsantrizos
  • Patent number: 7141574
    Abstract: An isomer, enantiomer, diastereoisomer or tautomer of a compound, represented by formula I: wherein: A is O, S, NR1, or CR1, wherein R1 is defined herein; - - - - - represents either a single or a double bond; R2 is selected from: H, halogen, R21, OR21, SR21, COOR21, SO2N(R22)2, N(R22)2, CON(R22)2, NR22C(O)R22 or NR22C(O)NR22 wherein R21 and each R22 is defined herein; B is NR3 or CR3, with the proviso that one of A or B is either CR1 or CR3, wherein R3 is defined herein; K is N or CR4, wherein R4 is defined herein; L is N or CR5, wherein R5 has the same definition as R4; M is N or CR7, wherein R7 has the same definition as R4; Y1 is O or S; Z is N(R6a)R6 or OR6, wherein R6a is H or alkyl or NR61R62 wherein R61 and R62 are defined herein; and R6 is H, alkyl, cycloalkyl, alkenyl, Het, alkyl-aryl, alkyl-Het; or R6 is wherein R7and R8 and Q are as defined herein; Y2is O or S; R9 is H, (C1-6 alkyl), (C3-7)cycloalkyl or (C1-6)alkyl-(C3-7)cycloalkyl, aryl, Het, (C1-6)alkyl-aryl or (C1-6)alkyl-Het, all o
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: November 28, 2006
    Assignee: Boehringer Ingelheim (Canada) Ltd.
    Inventors: Pierre Louis Beaulieu, Sylvie Goulet, George Kukolj, Martin Poirier, Youla S. Tsantrizos, Eric Jolicoeur, James Gillard, Marc-André Poupart, Jean Rancourt
  • Patent number: 6841566
    Abstract: An isomer, enantiomer, diastereoisomer, or tautomer of a compound, represented by formula I: wherein R1 is selected from: H, haloalkyl, (C1-6)alkyl, (C2-6)alkenyl, (C3-7)cycloalkyl, (C2-6)alkynyl, (C5-7)cycloalkenyl, 6 or 10-membered aryl, Het all optionally substituted; R2 is selected from (C1-6)alkyl, (C3-7)cycloalkyl, (C6-10)bicycloalkyl, 6- or 10-membered aryl, or Het all optionally substituted; B is N or CR5, wherein R5 is H, halogen, haloalkyl, (C1-6)alkyl, (C3-7)cycloalkyl or (C1-6)alkyl-(C3-7)cycloalkyl; X is N or CR5; D is N or CR5; each of Y1 and Y2 is independently O or S; Z is O, N, or NRZ wherein RZ is H, (C1-6)alkyl, (C3-7)cycloalkyl or (C1-6)alkyl-(C3-7)cycloalkyl; R3 and R4 are each independently H, (C1-6)alkyl, first (C3-7)cycloalkyl or 6- or 10-membered aryl, Het (C1-6)alkyl-6- or 10-membered aryl, (C1-6)alkyl-Het; or each R3 and R4 are independently covalently bonded together to form second (C3-7)cycloalkyl, or heterocycle, all optionally substituted; or when Z is N, either R3 or R4
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: January 11, 2005
    Assignee: Boehringer Ingelheim, Ltd.
    Inventors: Pierre Louis Beaulieu, Gulrez Fazal, Sylvie Goulet, George Kukolj, Martin Poirier, Youla S. Tsantrizos
  • Publication number: 20040171626
    Abstract: An isomer, enantiomer, diastereoisomer or tautomer of a compound, represented by formula I: 1
    Type: Application
    Filed: January 12, 2004
    Publication date: September 2, 2004
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Pierre Louis Beaulieu, Christian Brochu, Catherine Chabot, Eric Jolicoeur, Stephen Kawai, Marc-Andre Poupart, Youla S. Tsantrizos
  • Patent number: RE40525
    Abstract: A racemate diastereoisomer and optical isomer of a compound of formula (I): wherein B is H, a C6 or C10 aryl, C7-16 aralkyl; Het or (lower alkyl)-Het, all of which may be optionally substituted with C1-6 alkyl; C1-6 alkoxy; C1-6 alkanoyl; hydroxy; hydroxyalkyl; halo; haloalkyl; nitro; cyano; cyanoalkyl; amino optionally substituted with C1-6 alkyl; amido; or (lower alkyl)amide; or B is an acyl derivative of formula R4—C(O)—; a carboxyl derivative of formula R4—O—C(O)—; an amide derivative of formula R4—N(R5)—C(O)—; a thioamide derivative of formula R4—N(R5)—C(S)—; or a sulfonyl of formula R4—SO2; R5 is H or C1-6 alkyl; and Y is H or C1-6 alkyl; R3 is C1-8 alkyl, C3-7 cycloalkyl, or C4-10 alkylcycloalkyl, all optionally substituted with hydroxy, C1-6 alkoxy, C1-6 thioalkyl, amido, (lower alkyl)amido, C6 or C10 aryl, or C7-16 aralkyl; R2 is C2—R20, NH—R20, O—R20 or S—R20, wherein R20 is a saturated or unsaturated C3-7 cycloalkyl or C4-10 (alkylcycloalkyl), all of which being optionally mono-, di- or tri-
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: September 30, 2008
    Assignee: Boehringer Ingelheim (Canada) Ltd.
    Inventors: Montse Llinas-Brunet, Murray D. Bailey, Dale R. Cameron, Anne-Marie Faucher, Elise Ghiro, Nathalie Goudreau, Teddy Halmos, Marc-André Poupart, Jean Rancourt, Youla S. Tsantrizos, Dominik M. Wernic
  • Patent number: RE41356
    Abstract: Racemates, diastereolsomers and optical isomers of a compound of formula (I): wherein B is H, a C6 or C10 aryl, C7-16 aralkyl; Het or (lower alkyl)-Het, all of which optionally substituted with C1-6 alkyl; C1-6 alkoxy; C1-6 alkanoyl; hydroxy; hydroxyalkyl; halo; haloalkyl; nitro; cyano; cyanoalkyl; amino optionally substituted with C1-6 alkyl; amido; or (lower alkyl)amide; or B is an acyl derivative of formula R4—C(O)—; a carboxyl of formula R4—O—C(O)—; an amide of formula R4—N(R5)—C(O)—; a thioamide of formula R4—N(R5)—C(S)—; or a sulfonyl of formula R4—SO2; R5 is H or C1-6 alkyl; and Y is H or C1-6 alkyl; R3 is C1-8 alkyl, C3-7 cycloalkyl, or C4-10 alkylcycloalkyl, all optionally substituted with hydroxy, C1-6 alkoxy, C1-6 thioalkyl, amido, (lower alkyl)amido, C6 or C10 aryl, or C7-16 aralkyl; R2 is CH2—R20, NH—R20, O—R20 or S—R20, wherein R20 is a saturated or unsaturated C3-7 cycloalkyl or C4-10 (alkylcycloalkyl), all of which being optionally mono-, di- or tri-substituted with R21, or R20 is a C6
    Type: Grant
    Filed: May 12, 2008
    Date of Patent: May 25, 2010
    Assignee: Boehringer Ingelheim Canada Ltd.
    Inventors: Montse Llinas-Brunet, Murray D. Bailey, Dale R. Cameron, Elise Ghiro, Nathalie Goudreau, Marc-Andre Poupart, Jean Rancourt, Youla S. Tsantrizos, Anne-Marie Faucher, Teddy Halmos, Dominik M. Wernic
  • Patent number: RE41894
    Abstract: Racemates, diastereoisomers and optical isomers of a compound of formula (I): wherein B is H, a C6 or C10 aryl, C7-16 aralkyl; Het or (lower alkyl)-Het, all of which optionally substituted with C1-6 alkyl; C1-6 alkoxy; C1-6 alkanoyl; hydroxy; hydroxy-alkyl; halo; haloalkyl; nitro; cyano; cyanoalkyl; amino optionally substituted with C1-6 alkyl; amido; or (lower alkyl)amide; or B is an acyl derivative of formula R4—C(O)—; a carboxyl of formula R4—O—C(O)—; an amide of formula R4—N(R5)—C(O)—; a thioamide of formula R4—N(R5)—C(S)—; or a sulfonyl of formula R4—SO2; R5 is H or C1-6 alkyl; and Y is H or C1-6 alkyl; R3 is C3-7 cycloalkyl, or C4-10 alkylcycloalkyl, all optionally substituted with hydroxy, C1-6 alkoxy, C1-6 thioalkyl, amido, (lower alkyl)amido, C6 or C10 aryl, or C7-16 aralkyl; R2 is CH2—R20, NH—R20, O—R20 or S—R20, wherein R20 is a saturated or unsaturated C3-7 cycloalkyl or C4-10 (alkylcycloalkyl), all of which being optionally mono-, di- or tri-substituted with R21, or R20 is a C6 or C10 aryl
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: October 26, 2010
    Assignee: Boehringer Ingelheim Canada Ltd.
    Inventors: Montse Llinas-Brunet, Murray D. Bailey, Dale R. Cameron, Elise Ghiro, Nathalie Goudreau, Marc-Andre Poupart, Jean Rancourt, Youla S. Tsantrizos, Anne-Marie Faucher, Teddy Halmos, Dominik M. Wernic