Patents by Inventor Tarik Lalwani

Tarik Lalwani 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: 6740661
    Abstract: Disclosed are compounds of the formula: wherein R13 represents an imidazole ring; R14 represents a carbamate, urea, amide or sulfonamide group; R8 represents H when the alkyl chain between the amide group and the R13 imidazole group is substituted, or R8 represents a substituent such as arylalkyl, heteroarylalkyl or cycloalkyl; and the remaining substituents are as defined herein. Also disclosed are compounds wherein R8 is H, and the alkyl chain between the amide group and the R13 imidazole group is unsubstituted. Also disclosed is a method of treating cancer and a method of inhibiting farnesyl protein transferase using the disclosed compounds.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: May 25, 2004
    Assignee: Schering Corporation
    Inventors: Arthur G. Taveras, Ronald J. Doll, Alan B. Cooper, Johan A. Ferreira, Timothy Guzi, Alan K. Mallams, Dinanath F. Rane, Viyyoor M. Girijavallabhan, Adriano Afonso, Cynthia J. Aki, Jianping Chao, Carmen Alvarez, Joseph M. Kelly, Tarik Lalwani, Jagdish A. Desai, James J-S Wang, Jay Weinstein
  • Patent number: 6440974
    Abstract: Novel compounds of the formula: are disclosed. In Formula 1.0 a represents N or NO, R1 and R3 are halo, R2 and R4 are independently H or halo provided that at least one is H, X is C, CH or N, and T represents a five or six membered heterocycloalkyl ring having one or two heteroatoms selected from S or O. Also disclosed are methods of inhibiting farnesyl protein transferase and methods for treating tumor cells.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: August 27, 2002
    Assignee: Schering Corporation
    Inventors: Ronald J. Doll, Carmen Alvarez, Tarik Lalwani, Yi-Tsung Liu
  • Publication number: 20020103207
    Abstract: Disclosed are compounds of the formula: 1
    Type: Application
    Filed: December 20, 2001
    Publication date: August 1, 2002
    Inventors: Arthur G. Taveras, Ronald J. Doll, Alan B. Cooper, Johan A. Ferreira, Timothy Guzi, Alan K. Mallams, Dinanath F. Rane, Viyyoor M. Girijavallabhan, Adriano Afonso, Cynthia J. Aki, Jianping Chao, Carmen Alvarez, Joseph M. Kelly, Tarik Lalwani, Jagdish A. Desai, James J-S Wang, Jay Weinstein
  • Patent number: 6410541
    Abstract: Novel compounds of the formula: are disclosed. In Formula 1.0 a represents N or NO, R1 and R3 are halo, R2 and R4 are independently H or halo provided that at least one is H, X is C, CH or N, and R represents a cycloalkyl or a heterocycloalkyl ring that is substitued. Also disclosed are methods of inhibiting farnesyl protein transferase and methods for treating tumor cells.
    Type: Grant
    Filed: January 24, 2001
    Date of Patent: June 25, 2002
    Assignee: Schering Corporation
    Inventors: Stacy W. Remiszewski, Ronald J. Doll, Carmen Alvarez, Tarik Lalwani
  • Patent number: 6387905
    Abstract: Novel compounds of the formula: are disclosed. Compounds of Formula 1.0 are represented by the compounds of formulas: wherein R1, R3 and R4 are each independently selected from halo. Also disclosed are methods of inhibiting farnesyl protein transferase and the growth of abnormal cells, such as tumor cells.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: May 14, 2002
    Assignee: Schering Corporation
    Inventors: F George Njoroge, Arthur G. Taveras, Ronald J. Doll, Tarik Lalwani, Carmen Alvarez, Stacy W. Remiszewski
  • Patent number: 6372747
    Abstract: Disclosed are compounds of the formula: wherein R13 represents an imidazole ring; R14 represents a carbamate, urea, amide or sulfonamide group; R8 represents H when the alkyl chain between the amide group and the R13 imidazole group is substituted, or R8 represents a substituent such as arylalkyl, heteroarylalkyl or cycloalkyl; and the remaining substituents are as defined herein. Also disclosed are compounds wherein R8 is H, and the alkyl chain between the amide group and the R13 imidazole group is unsubstituted. Also disclosed is a method of treating cancer and a method of inhibiting farnesyl protein transferase using the disclosed compounds.
    Type: Grant
    Filed: December 16, 1999
    Date of Patent: April 16, 2002
    Assignee: Schering Corporation
    Inventors: Arthur G. Taveras, Ronald J. Doll, Alan B. Cooper, Johan A. Ferreira, Timothy Guzi, Dinanath F. Rane, Viyyoor M. Girijavallabhan, Cynthia J. Aki, Jianping Chao, Carmen Alvarez, Joseph M. Kelly, Tarik Lalwani, Jagdish A. Desai, James J-S Wang
  • Publication number: 20020019400
    Abstract: Novel compounds of the formula: 1
    Type: Application
    Filed: March 1, 2001
    Publication date: February 14, 2002
    Inventors: FGeorge Njoroje, Arthur G. Taveras, Ronald J. Doll, Tarik Lalwani, Carmen Alvarez, Stacy W. Remiszewski
  • Publication number: 20010014681
    Abstract: Novel compounds of the formula: 1
    Type: Application
    Filed: February 20, 2001
    Publication date: August 16, 2001
    Inventors: Ronald J. Doll, Carmen Alvarez, Tarik Lalwani, Yi-Tsung Liu
  • Publication number: 20010007870
    Abstract: Novel compounds of the formula: 1
    Type: Application
    Filed: January 24, 2001
    Publication date: July 12, 2001
    Inventors: Stacy W. Remiszewski, Ronald J. Doll, Carmen Alvarez, Tarik Lalwani
  • Patent number: 6228865
    Abstract: Novel compounds of the formula: are disclosed. In Formula 1.0 a represents N or NO, R1 and R3 are halo, R2 and R4 are independently H or halo provided that at least one is H, X is C, CH or N, and T represents a five or six membered heterocycloalkyl ring having one or two heteroatoms selected from S or O. Also disclosed are methods of inhibiting farnesyl protein transferase and methods for treating tumor cells.
    Type: Grant
    Filed: November 23, 1999
    Date of Patent: May 8, 2001
    Assignee: Schering Corporation
    Inventors: Ronald J. Doll, Carmen Alvarez, Tarik Lalwani, Yi-Tsung Liu
  • Patent number: 6228856
    Abstract: Novel compounds of the formula: are disclosed. Compounds of Formula 1.0 are represented by the compounds of formulas: wherein R1, R3 and R4 are each independently selected from halo. Also disclosed are methods of inhibiting farnesyl protein transferase and the growth of abnormal cells, such as tumor cells.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: May 8, 2001
    Assignee: Schering Corporation
    Inventors: F George Njoroge, Arthur G. Taveras, Ronald J. Doll, Tarik Lalwani, Carmen Alvarez, Stacy W. Remiszewski
  • Patent number: 6211193
    Abstract: Novel compounds of the formula: are disclosed. In Formula 1.0 a represents N or NO, R1 and R3 are halo, R2 and R4 are independently H or halo provided that at least one is H, X is C, CH or N, and R represents a cycloalkyl or a heterocycloalkyl ring that is substitued. Also disclosed are methods of inhibiting farnesyl protein transferase and methods for treating tumor cells.
    Type: Grant
    Filed: June 15, 1998
    Date of Patent: April 3, 2001
    Assignee: Schering Corporation
    Inventors: Stacy W. Remiszewski, Ronald J. Doll, Carmen Alvarez, Tarik Lalwani
  • Patent number: 6030982
    Abstract: Novel compounds of the formula: ##STR1## are disclosed. Compounds of Formula 1.0 are represented by the compounds of formulas: ##STR2## wherein R.sup.1, R.sup.3 and R.sup.4 are each independently selected from halo. Also disclosed are methods of inhibiting farnesyl protein transferase and the growth of abnormal cells, such as tumor cells.
    Type: Grant
    Filed: September 11, 1997
    Date of Patent: February 29, 2000
    Assignee: Schering Corporationm
    Inventors: F George Njoroge, Arthur G. Taveras, Ronald J. Doll, Tarik Lalwani, Carmen Alvarez, Stacy W. Remiszewski
  • Patent number: 5945430
    Abstract: Novel aminooxyamide tricyclic compounds and pharmaceutical compositions are disclosed which are inhibitors of the enzyme, farnesyl protein transferase. Also disclosed is a method of inhibiting Ras function and therefore inhibiting the abnormal growth of cells. The method comprises administering the novel aminooxyamide tricyclic compound to a biological system. In particular, the method inhibits the abnormal growth of cells in a mammals such as a human.
    Type: Grant
    Filed: June 15, 1998
    Date of Patent: August 31, 1999
    Assignee: Schering Corporation
    Inventors: Ronald J. Doll, Tarik Lalwani
  • Patent number: 5925639
    Abstract: Compounds of the following formula useful for inhibiting Ras function and therefore inhibiting or treating the abnormal growth of cells are disclosed: ##STR1## or an N-oxide thereof, or a pharmaceutically acceptable salt or solvate thereof, wherein:R and R.sup.2 are halo;R.sup.1 and R.sup.3 are H and halo, provided that at least one of R.sup.1 and R.sup.3 is H;X is N, CH or C, when the double bond is present at the C-11 position;R.sup.4 is=O, --NHOH, --N.dbd.NHR.sup.6, --N.dbd.NHSO.sub.2 R.sup.6, --N.dbd.NHCOR.sup.6, --N.dbd.NHCONH.sub.2, --N.dbd.NHCOCONH.sub.2, (H, OH), (H, --OR.sup.6), (H, --OCOR.sup.6), (H, OSO.sub.2 R.sup.6) or --E--(CH.sub.2).sub.n1 --G--, wherein n.sub.1 is 1 to 5, and E and G are O, S or N, and are joined to the same carbon to form a cyclic structure;R.sup.5 is H, lower alkyl, or optionally substituted aryl, heteroaryl, aralkyl, heteroaralkyl or heterocycloalkyl-alkyl;R.sup.6 is lower alkyl or optionally substituted aryl, heteroaryl, aralkyl, heteroaralkyl or heterocycloalkyl-alkyl;R.
    Type: Grant
    Filed: June 17, 1997
    Date of Patent: July 20, 1999
    Assignee: Schering Corporation
    Inventors: Ronald J. Doll, Tarik Lalwani, Carmen Alvarez
  • Patent number: 5861395
    Abstract: Novel compounds of the formula: ##STR1## are disclosed. Compounds of Formula 1.0 are represented by the compounds of formulas: ##STR2## wherein R.sup.1, R.sup.3 and R.sup.4 are each independently selected from halo. Also disclosed are methods of inhibiting farnesyl protein transferase and the growth of abnormal cells, such as tumor cells.
    Type: Grant
    Filed: September 11, 1997
    Date of Patent: January 19, 1999
    Assignee: Schering Corporation
    Inventors: Arthur G. Taveras, Alan K. Mallams, Adriano Afonso, Stacy W. Remiszewski, F. George Njoroge, Ronald Doll, Tarik Lalwani, Carmen Alvarez