Patents by Inventor Kenneth Alan Simmen
Kenneth Alan Simmen 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: 8741926Abstract: Inhibitors of HCV replication of formula (I) and the N-oxides, salts, and stereoisomers, wherein each dashed line represents an optional double bond; X is N, CH and where X bears a double bond it is C; R1 is —OR7, —NH—SO2R8; R2 is hydrogen, and where X is C or CH, R2 may also be C1-6alkyl; R3 is hydrogen, C1-6alkyl, C1-6alkoxyC1-6alkyl, C3-7cycloalkyl; R4 is aryl or Het; n is 3, 4, 5, or 6; R5 is halo, C1-6alkyl, hydroxy, C1-6alkoxy, phenyl, or Het; R6 is C1-6alkoxy, or dimethylamino; R7 is hydrogen; aryl; Het; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl, aryl or with Het; R8 is aryl; Het; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl, aryl or with Het; aryl is phenyl optionally substituted with one, two or three substituents; Het is a 5 or 6 membered saturated, partially unsaturated or completely unsaturated heterocyclic ring containing 1 to 4 heteroatoms selected from nitrogeType: GrantFiled: November 28, 2012Date of Patent: June 3, 2014Assignees: Janssen R&D Ireland, Medivir ABInventors: Kenneth Alan Simmen, Herman Augustinus De Kock, Pierre Jean-Marie Bernard Raboisson, Lili Hu, Abdellah Tahri, Dominique Louis Nestor Ghislain Surleraux, Karl Magnus Nilsson, Bengt Bertil Samuelsson, Åsa Annica Kristina Rosenquist, Vladimir Ivanov, Mikael Pelcman, Anna Karin Gertrud Linnea Belfrage, Per-Ola Mikael Johansson, Sandrine Marie Helene Vendeville
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Publication number: 20140094468Abstract: The present invention relates to the use of pteridines as inhibitors of HCV replication as well as their use in pharmaceutical compositions aimed to treat or combat HCV infections. In addition, the present invention relates to compounds per se and their use as medicines. The present invention also concerns processes for the preparation of such compounds, pharmaceutical compositions comprising them, and combinations of said compounds with other anti-HCV agents.Type: ApplicationFiled: December 3, 2013Publication date: April 3, 2014Applicant: Tibotec Pharmaceuticals Ltd.Inventors: Pierre Jean-Marie Bernard Raboisson, Dominique LouisNestorGhislain Surleraux, Tse-I Lin, Oliver Lenz, Kenneth Alan Simmen
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Patent number: 8349869Abstract: Inhibitors of HCV replication of formula (I) and the N-oxides, salts, and stereoisomers, wherein each dashed line represents an optional double bond; X is N, CH and where X bears a double bond it is C; R1 is —OR7, —NH—SO2R8; R2 is hydrogen, and where X is C or CH, R2 may also be C1-6alkyl; R3 is hydrogen, C1-6alkyl, C1-6alkoxyC1-6alkyl, C3-7cycloalkyl; R4 is aryl or Het; n is 3, 4, 5, or 6; R5 is halo, C1-6alkyl, hydroxy, C1-6alkoxy, phenyl, or Het; R6 is C1-6alkoxy, or dimethylamino; R7 is hydrogen; aryl; Het; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl, aryl or with Het; R8 is aryl; Het; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl, aryl or with Het; aryl is phenyl optionally substituted with one, two or three substituents; Het is a 5 or 6 membered saturated, partially unsaturated or completely unsaturated heterocyclic ring containing 1 to 4 heteroatoms selected from nitrogType: GrantFiled: March 6, 2012Date of Patent: January 8, 2013Assignees: Tibotec Pharmaceuticals Ltd., Medivir ABInventors: Kenneth Alan Simmen, Herman Augustinus De Kock, Pierre Jean-Marie Bernard Raboisson, Lili Hu, Abdellah Tahri, Dominique Louis Nestor Ghislain Surleraux, Karl Magnus Nilsson, Bengt Bertil Samuelsson, Åsa Annica Kristina Rosenquist, Vladimir Ivanov, Mikael Pelcman, Anna Karin Gertrud Linea Belfrage, Per-Ola Mikael Johansson, Sandrine Marie Helene Vendeville
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Publication number: 20120202859Abstract: Inhibitors of HCV replication of formula (I) wherein W is a heterocycle of formula and the remaining variables are as defined in the specification.Type: ApplicationFiled: April 20, 2012Publication date: August 9, 2012Inventors: Kenneth Alan Simmen, Herman Augustinus De Kock, Pierre Jean-Marie Bernard Raboisson, Dominique Louis Nestor Ghislain Surleraux, Wim Van De Vreken
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Patent number: 8227407Abstract: Macrocylic compounds having inhibitory activity on the replication of the hepatitis C virus (HCV) of the general formula (I) X is N, CH and where X bears a double bond it is C; R1a and R1b are hydrogen, C3-7cycloalkyl, aryl, Het, C1-6alkoxy, C1-6alkyl optionally substituted with halo, C1-6alkoxy, cyano, polyhaloC1-6alkoxy, C3-7cycloalkyl, aryl, or with Het; or R1a and R1b together with the nitrogen to which they are attached form a 4 to 6 membered heterocyclic ring which may be optionally substituted; Het being a heterocyclic ring; L is a direct bond, —O—, —O—C1-4alkanediyl-, —O—CO—, —O—C(?O)—NR5a— or —O—C(?O)—NR5a—C1-4alkanediyl-; n is 3, 4, 5, or 6; p is 1, or 2; R2 is hydrogen, and where X is C or CH, R2 may also be C1-6alkyl; R3 is hydrogen, C1-6alkyl, C1-6alkoxyC1-6alkyl, C3-7cycloalkyl, amino, mono- or diC1-6alkylamino; R4 is aryl or a saturated, a partially unsaturated or completely unsaturated 5 or 6 membered monocyclic or 9 to 12 membered bicyclic heterocyclic ring system wherein said ring systemType: GrantFiled: January 16, 2008Date of Patent: July 24, 2012Assignees: Medivir AB, Tibotec BVBAInventors: Kenneth Alan Simmen, Herman Augustinus De Kock, Pierre Jean-Marie Bernard Raboisson, Lili Hu, Dominique Louis Nestor Ghislain Surleraux, Karl Magnus Nilsson, Bengt Bertil Samuelsson, Åsa Annica Kristina Rosenquist, Lourdes Salvador Odén
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Publication number: 20120171157Abstract: Inhibitors of HCV replication of formula (I) and the N-oxides, salts, and stereoisomers, wherein each dashed line represents an optional double bond; X is N, CH and where X bears a double bond it is C; R1 is —OR7, —NH—SO2R8; R2 is hydrogen, and where X is C or CH, R2 may also be C1-6alkyl; R3 is hydrogen, C1-6alkyl, C1-6alkoxyC1-6alkyl, C3-7cycloalkyl; R4 is aryl or Het; n is 3, 4, 5, or 6; R5 is halo, C1-6alkyl, hydroxy, C1-6alkoxy, phenyl, or Het; R6 is C1-6alkoxy, or dimethylamino; R7 is hydrogen; aryl; Het; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl, aryl or with Het; R8 is aryl; Het; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl, aryl or with Het; aryl is phenyl optionally substituted with one, two or three substituents; Het is a 5 or 6 membered saturated, partially unsaturated or completely unsaturated heterocyclic ring containing 1 to 4 heteroatoms selected from nitrogType: ApplicationFiled: March 6, 2012Publication date: July 5, 2012Inventors: Kenneth Alan Simmen, Herman Augustinus De Kock, Pierre Jean-Marie Bernard Raboisson, Lili Hu, Abdellah Tahri, Dominique Louis Nestor Ghislain Surleraux, Karl Magnus Nilsson, Bengt Bertril Samuelsson, Asa Annica Kristina Rosenquist, Vladimir Ivanov, Michael Pelcman, Anna Karin Gertrud Linnea Belfrage, Per-Ola Mikael Johansson, Sandrine Marie Helene Vendeville
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Patent number: 8183277Abstract: Inhibitors of HCV replication of formula (I) wherein W is a heterocycle of formula and the remaining variables are as defined in the specification.Type: GrantFiled: July 28, 2006Date of Patent: May 22, 2012Assignee: Tibotec Pharmaceuticals Ltd.Inventors: Kenneth Alan Simmen, Herman Augustinus De Kock, Pierre Jean-Marie Bernard Raboisson, Dominique Louis Nestor Ghislain Surleraux, Wim Van De Vreken
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Patent number: 8153800Abstract: Inhibitors of HCV replication of formula (I) and the N-oxides, salts, and stereoisomers, wherein each dashed line represents an optional double bond; X is N, CH and where X bears a double bond it is C; R1 is —OR7 or —NH—SO2R8; R2 is hydrogen, and where X is C or CH, R2 may also be C1-6alkyl; R3 is hydrogen, C1-6alkyl, C1-6alkoxyC1-6alkyl, or C3-7cycloalkyl; R4 is aryl or Het; n is 3, 4, 5, or 6; R5 is halo, C1-6alkyl, hydroxy, C1-6alkoxy, phenyl, or Het; R6 is C1-6alkoxy or dimethylamino; R7 is hydrogen; aryl; Het; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl, aryl or with Het; R8 is aryl; Het; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl, aryl or with Het; aryl is phenyl optionally substituted with one, two or three substituents; Het is a 5 or 6 membered saturated, partially unsaturated or completely unsaturated heterocyclic ring containing 1 to 4 heteroatoms selected from nitType: GrantFiled: August 3, 2011Date of Patent: April 10, 2012Assignees: Tibotec Pharmaceuticals Ltd., Medivar ABInventors: Kenneth Alan Simmen, Herman Augustinus De Kock, Pierre Jean-Marie Bernard Raboisson, Karl Magnus Nilsson, Bengt Bertril Samuelsson, Asa Annica Kristina Rosenquist
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Patent number: 8148399Abstract: Inhibitors of HCV replication of formula (I) and the N-oxides, salts, and stereoisomers, wherein each dashed line represents an optional double bond; X is N, CH and where X bears a double bond it is C; R1 is —OR7, —NH—SO2R8; R2 is hydrogen, and where X is C or CH, R2 may also be C1-6alkyl; R3 is hydrogen, C1-6alkyl, C3-7cycloalkyl; R4 is aryl or Het; n is 3, 4, 5, or 6; R5 is halo, C1-6alkyl, hydroxy, C1-6alkoxy, phenyl, or Het; R6 is C1-6alkoxy, or dimethylamino; R7 is hydrogen; aryl; Het; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl, aryl or with Het; R8 is aryl; Het; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl, aryl or with Het; aryl is phenyl optionally substituted with one, two or three substituents; Het is a 5 or 6 membered saturated, partially unsaturated or completely unsaturated heterocyclic ring containing 1 to 4 heteroatoms selected from nitrogen, oxygen and sulfurType: GrantFiled: July 28, 2006Date of Patent: April 3, 2012Assignees: Tibotec Pharmaceuticals Ltd., Medivar ABInventors: Kenneth Alan Simmen, Herman Augustinus De Kock, Pierre Jean-Marie Bernard Raboisson, Karl Magnus Nilsson, Bengt Bertil Samuelsson, Åsa Annica Kristina Rosenquist
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Publication number: 20110295012Abstract: Inhibitors of HCV replication of formula (I) and the N-oxides, salts, and stereoisomers, wherein each dashed line represents an optional double bond; X is N, CH and where X bears a double bond it is C; R1 is —OR7 or —NH—SO2R8; R2 is hydrogen, and where X is C or CH, R2 may also be C1-6alkyl; R3 is hydrogen, C1-6alkyl, C1-6alkoxyC1-6alkyl, or C3-7cycloalkyl; R4 is aryl or Het; n is 3, 4, 5, or 6; R5 is halo, C1-6alkyl, hydroxy, C1-6alkoxy, phenyl, or Het; R6 is C1-6alkoxy or dimethylamino; R7 is hydrogen; aryl; Het; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl, aryl or with Het; R8 is aryl; Het; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl, aryl or with Het; aryl is phenyl optionally substituted with one, two or three substituents; Het is a 5 or 6 membered saturated, partially unsaturated or completely unsaturated heterocyclic ring containing 1 to 4 heteroatoms selected from niType: ApplicationFiled: August 3, 2011Publication date: December 1, 2011Inventors: Kenneth Alan Simmen, Herman Augustinus De Kock, Pierre Jean-Marie Bernard Raboisson, Lili Hu, Abdellah Tahri, Dominque Louis Nestor Ghislai Surleraux, Karl Magnus Nilsson, Bengt Bertil Samuelsson, Asa Annica Kristina Rosenquist, Vladimir Ivanov, Michael Pelcman, Anna Karin Gertrud Linnea Belfrage, Per-Ola Mikael Johansson, Sandrine Marie Helene Vendeville
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Patent number: 8030318Abstract: Substituted fused bicyclic pyrimidine compounds having an amide-substituted pyridylamine group at C-4 of the pyrimidine ring are useful in the treatment of conditions associated with HCV.Type: GrantFiled: March 27, 2006Date of Patent: October 4, 2011Assignee: Tibotec Pharmaceuticals Ltd.Inventors: Kenneth Alan Simmen, Dominique Louis Nestor Ghislain Surleraux, Tse-I Lin, Oliver Lenz, Pierre Jean-Marie Bernard Raboisson, Sarvajit Chakravarty, Barry Patrick Hart
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Publication number: 20110237621Abstract: Inhibitors of HCV replication of formula (I) the N-oxides, salts, and stereochemically isomeric forms thereof, wherein each dashed line (represented by ) represents an optional double bond; X is N, CH and where X bears a double bond it is C; R1 is aryl or a saturated, a partially unsaturated or completely unsaturated 5 or 6 membered monocyclic or 9 to 12 membered bicyclic heterocyclic ring system wherein said ring system contains one nitrogen, and optionally one to three additional heteroatoms selected from the group consisting of oxygen, sulfur and nitrogen, and wherein the remaining ring members are carbon atoms; wherein said ring system may be optionally substituted on any carbon or nitrogen ring atom with one, two, three, or four substituents; L is a direct bond, —O—, —O—C1-4alkanediyl-, —O—C(?O)—, —O—C(?O)—NR4a— or —O—C(?O)—NR4aC1-4 alkanediyl-; R2 is hydrogen, —OR5, —C(?O)OR5, —C(?O)R6, —C(?O)NR4aR4b, —C(?O)NHR4c, —NR4aR4b, —NHR4c, —NR4aSOpNR4aR4b, —NR4aSOpR7, or B(OR5)2; R3 is hydrogen, and wheType: ApplicationFiled: May 17, 2011Publication date: September 29, 2011Inventors: Kenneth Alan Simmen, Herman Augustinus De Kock, Pierre Jean-Marie Bernard Raboisson, Abdellah Tahri, Karl Magnus Nilsson, Bengt Bertil Samuelsson, Åsa Annica Kristina Rosenquist, Dmitry Antonov
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Patent number: 8022077Abstract: The present invention relates to the use of pyrido[2,3-d]pyrimidines of formula (I) wherein L, R1, R2 and R3 have specific meaning. The present invention also relates to the use of the compounds of formula (I) as inhibitors of HCV replication as well as their use in pharmaceutical compositions aimed to treat or combat HCV infections. In addition, the present invention relates to compounds of formula (I) per se and their use as medicines. The present invention also concerns processes for the preparation of such compounds, pharmaceutical compositions comprising them, and combinations of said compounds with other anti-HCV agents.Type: GrantFiled: May 12, 2006Date of Patent: September 20, 2011Assignee: Tibotec Pharmaceuticals Ltd.Inventors: Kenneth Alan Simmen, Dominique Louis Nestor Ghislain Surleraux, Tse-I Lin, Oliver Lenz, Pierre Jean-Marie Bernard Raboisson
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Patent number: 8012939Abstract: Inhibitors of HCV replication of formula (I) and the N-oxides, salts, and stereoisomers thereof, wherein each variable has specific definitions. Pharmaceutical compositions containing compounds (I) and process for preparing compounds (I) are also provided. Bioavailable combinations of the inhibitors of HCV of Formula (I) with ritonavir are also provided.Type: GrantFiled: July 28, 2006Date of Patent: September 6, 2011Assignees: Tibotec Pharmaceuticals Ltd. Co, Medivir ABInventors: Kenneth Alan Simmen, Herman Augustinus De Kock, Pierre Jean-Marie Bernard Raboisson, Sandrine Marie Helene Vendeville, Lili Hu, Abdellah Tahri, Dominique Louis Nestor Ghislain Surleraux, Wim Van De Vreken, Ismet Dorange, Yvan Simonnet, Karl Magnus Nilsson, Bengt Bertil Samuelsson, Asa Annica Kristina Rosenquist, Hans Kristian Wallberg
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Patent number: 8008251Abstract: Inhibitors of HCV of formula (I). and the N-oxides, salts, and stereoisomers thereof, wherein the dashed line represents an optional double bond between atoms C7 and C8; R1 is hydrogen or C1-6alkyl; R2 is hydrogen or C1-6alkyl; and n is 3, 4, 5, or 6; pharmaceutical compositions containing compounds (I) and processes for preparing compounds (I) are provided. Bioavailable combinations of the inhibitors of HCV of formula (I) with ritonavir are also provided.Type: GrantFiled: July 28, 2006Date of Patent: August 30, 2011Assignees: Tibotec Pharmaceuticals Ltd., Medivir ABInventors: Kenneth Alan Simmen, Herman Augustinus De Kock, Pierre Jean-Marie Bernard Raboisson, Mats Stefan Lindström, Pia Cecilia Kahnberg, Dmitry Antonov, Karl Magnus Nilsson, Bengt Bertil Samuelsson, Åsa Annica Kristina Rosenquist
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Patent number: 7989471Abstract: Inhibitors of HCV of formula (I) and the N-oxides, salts, and stereochemically isomeric forms thereof, wherein the terms R1, L, R2, R3, R4, and n have specific definitions; pharmaceutical compositions containing compounds of formula (I), and processes for preparing compounds of formula (I). Bioavailable combinations of the inhibitors of HCV of formula (I) with ritonavir are also provided.Type: GrantFiled: July 28, 2006Date of Patent: August 2, 2011Assignee: Tibotec Pharmaceuticals Ltd.Inventors: Kenneth Alan Simmen, Herman Augustinus De Kock, Pierre Jean-Marie Bernard Raboisson, Sandrine Marie Helene Vendeville, Lili Hu, Wim Van De Vreken, David Craig McGowan, Abdellah Tahri, Dominique Louis Nestor Ghislain Surleraux
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Patent number: 7977342Abstract: The present invention relates to the use of bi-cyclic pyrimidines as inhibitors of HCV replication as well as their use in pharmaceutical compositions aimed to treat or combat HCV infections. In addition, the present invention relates to processes for preparation of such pharmaceutical compositions. The present invention also concerns combinations of the present bi-cyclic pyrimidines with other anti-HCV agents.Type: GrantFiled: March 9, 2007Date of Patent: July 12, 2011Assignee: Tibotec-Virco Virology BVBAInventors: Kenneth Alan Simmen, Tse-I Lin, Oliver Lenz, Dominique Louis Nestor Ghislain Surleraux, Pierre Jean-Marie Bernard Raboisson
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Publication number: 20100240698Abstract: Inhibitors of HCV of formula al and the N-oxides, salts, and stereochemically isomeric forms thereof, wherein R1 is aryl or a saturated, a partially unsaturated or completely unsaturated 5 or 6 membered monocyclic or 8 to 12 membered bicyclic heterocyclic ring system containing one nitrogen, and optionally one to three oxygen, sulfur or nitrogen, wherein said ring system may be optionally substituted; L is a direct bond, —O—, —O—C1-4alkanediyl-, —O—CO—, —O—C(?O)—NR5a— or —O—C(?O)—NR5a—C1-4alkanediyl-; R2 is hydrogen, —OR6, —C(?O)OR6, —C(?O)R7, —C(?O)NR5aR5b, —C(?O)NHR5c, —NR5aR5b, —NHR5c, —NHSOpNR5aR5b, —NR5aSOpR8, or —B(OR6)2; R3 and R4 are hydrogen or C1-6alkyl; or R3 and R4 taken together may form a C3-7cycloalkyl ring; n is 3, 4, 5, or 6; p is 1 or 2; aryl is phenyl, naphthyl, indanyl, or 1,2,3,4-tetrahydronaphthyl, each of which may be optionally substituted Het is a 5 or 6 membered saturated, partially unsaturated or completely unsaturated heterocyclic ring containing 1 to 4 heteroatoms each indepeType: ApplicationFiled: July 28, 2006Publication date: September 23, 2010Inventors: Kenneth Alan Simmen, Herman Augustinus De Kock, Pierre Jean-Marie Bernard Raboisson, Sandrine Marie Helene Vendeville, Lili Hu, Wim Van De Vreken, David Craig McGowan, Abdellah Tahri, Dominique Louis Nestor Ghislain Surleraux
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Publication number: 20100120855Abstract: Inhibitors of HCV replication of formula (I), the N-oxides, salts, and stereochemically isomeric forms thereof, wherein each dashed line (represented by represents an optional double bond; X is N, CH and where X bears a double bond it is C; R1 is aryl or a saturated, a partially unsaturated or completely unsaturated 5 or 6 membered monocyclic or 9 to 12 membered bicyclic heterocyclic ring system wherein said ring system contains one nitrogen, and optionally one to three additional heteroatoms selected from the group consisting of oxygen, sulfur and nitrogen, and wherein the remaining ring members are carbon atoms; wherein said ring system may be optionally substituted on any carbon or nitrogen ring atom with one, two, three, or four substituents; L is a direct bond, —O—, —O—C1-4alkanediyl-, —O—C(?O)—, —O—C(?O)—NR4a— or —O—C(?O)—NR4aC1-4alkanediyl-; R2 is hydrogen, —OR5, —C(O)OR5, —C(?O)R6, —C(?O)NR4aR4b, —C(?O)NHR4c, —NR4aR4b, —NHR4c, —NR4aSOpNR4aR4b, —NR4aSOpR7, or B(OR5)2; R3 is hydrogen, and where X is CType: ApplicationFiled: July 28, 2006Publication date: May 13, 2010Inventors: Kenneth Alan Simmen, Herman Augustinus, Pierre Jean-Maria Bernard Raboisson, Abdellah Tahri, Karl Magnus Nilsson, Bengt Bertil Samuelsson, Åsa Annica Kristina Rosenquist, Dmitry Antonov
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Patent number: 7666834Abstract: Inhibitors of HCV replication of formula (I) and the N-oxides, salts, or stereoisomers thereof, wherein each dashed line (represented by - - - - -) represents an optional double bond; X is N, CH and where X bears a double bond it is C; R1 is —OR6, —NH—SO2R7; R2 is hydrogen, and where X is C or CH, R2 may also be C1-6alkyl; R3 is hydrogen, C1-6alkyl, C1-6alkoxyC1-6alkyl, or C3-7cycloalkyl; n is 3, 4, 5, or 6; R4 and R5 independently from one another are hydrogen, halo, hydroxy, nitro, cyano, carboxyl, C1-6alkyl, C1-6alkoxy, C1-6alkoxyC1-6alkyl, C1-6alkylcarbonyl, C1-6alkoxy-carbonyl, amino, azido, mercapto, C1-6alkylthio, polyhaloC1-6alkyl, aryl or Het; W is aryl or Het; R6 is hydrogen; aryl; Het; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl, aryl or with Het; R7 is aryl; Het; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl, aryl or with Het; aryl is phenyl or naphthyl, each optioType: GrantFiled: July 28, 2006Date of Patent: February 23, 2010Assignee: Tibotec Pharmaceuticals Ltd.Inventors: Kenneth Alan Simmen, Herman Augustinus De Kock, Pierre Jean-Marie Bernard Raboisson, Carl Erik Daniel Jönsson, Karl Magnus Nilsson, Bengt Bertil Samuelsson, Åsa Annica Kristina Rosenquist, Dmitry Antonov, Lourdes Salvador Odén, Susana Ayesa Alvarez, Björn Olof Classon