Patents Represented by Attorney, Agent or Law Firm Adrian G. Looney
  • Patent number: 6645982
    Abstract: The invention relates to crystal forms of 6-[(4-chloro-phenyl)-hydroxy-(3-methyl-3H-imidazol-4-yl)-methyl]-4-(3-ethynyl-phenyl)-1-methyl-1H-quinolin-2-one, 2,3-dihydroxy butanedioate salts having the formula shown below: and to pharmaceutical compositions containing the above compound, methods of treating hyperproliferative diseases, such as cancers, in mammals, especially humans by administering the above compound, and to methods of preparing the crystal forms of the above compound and related compounds.
    Type: Grant
    Filed: December 7, 2001
    Date of Patent: November 11, 2003
    Assignee: Pfizer Inc
    Inventors: Joseph P. Lyssikatos, Derek L. Tickner, Linda S. Newton, Zheng J. Li, Clifford N. Meltz
  • Patent number: 6645979
    Abstract: The invention described herein relates to a process for the preparation of (7-(3-carboxyphenyl)-4-chloroisoquinolin-1-yl)guanidine (I), intermediates thereto and new forms and formulations thereof, including the zwitterion monohydrate of (I), suitable for pharmaceutical use.
    Type: Grant
    Filed: October 29, 2001
    Date of Patent: November 11, 2003
    Assignee: Pfizer Inc.
    Inventors: Anne Bruckner, Michael Butters, Paul Vincent Fish, Michael Paul Fitzgerald, Julie Ann Macrae, Trevor Jack Newbury, Richard Anthony Storey
  • Patent number: 6579887
    Abstract: The present invention relates to compounds of formula 1 and to pharmaceutically acceptable salts, prodrugs and solvates thereof, wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, and R11 are as defined herein. The above compounds of formula 1 are useful in the treatment of hyperproliferative disorders, such as cancer, in mammals.
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: June 17, 2003
    Assignee: Pfizer Inc
    Inventors: Joseph P. Lyssikatos, Susan D. La Greca
  • Patent number: 6570017
    Abstract: The present invention relates to method for the preparation of dialkylpyridylboranes by reacting a pyridine Grignard reagent with an alkoxydialkylborane or a trialkylborane. The reaction can be conducted at a temperature ranging from about 0° C. to about 40° C. The pyridine Grignard reagent is preferably prepared in situ by the reaction of a Grignard reagent (RMgX) and a halopyridine in a suitable solvent, such as tetrahydrofuran, followed by the addition of an alkoxydialkylborane or a trialkylborane to form a dialkylpyridylborane.
    Type: Grant
    Filed: August 23, 2002
    Date of Patent: May 27, 2003
    Assignee: Pfizer Inc
    Inventor: David Harold Brown Ripin
  • Patent number: 6548526
    Abstract: The present invention relates to compounds of the formula 1 and to pharmaceutically acceptable salts, prodrugs and solvates thereof, wherein X1, R1, R2 and R3 are as defined herein. The invention also relates to pharmaceutical compositions containing the above compounds and to methods treating hyperproliferative disorders in mammals by administering the above compounds.
    Type: Grant
    Filed: March 9, 2001
    Date of Patent: April 15, 2003
    Assignee: Pfizer Inc
    Inventors: Eric R. Larson, Mark C. Noe, Thomas G. Gant
  • Patent number: 6541481
    Abstract: The invention relates to compounds of the formula 1 and to pharmaceutically acceptable salts and solvates thereof, wherein A, X, R1, R3 and R4 are as defined herein. The invention also relates to methods of treating abnormal cell growth in mammals with administering the compounds of formula 1 and to pharmaceutical compositions for treating such disorders which contain the compounds of formula 1. The invention also relates to methods of preparing the compounds of formula 1.
    Type: Grant
    Filed: April 12, 2001
    Date of Patent: April 1, 2003
    Assignee: Pfizer Inc
    Inventors: John Charles Kath, Norma Jacqueline Tom, Zhengyu Liu, Eric David Cox, Joel Morris, Samit Kumar Bhattacharya
  • Patent number: 6495564
    Abstract: The present invention relates to compounds of formula 1 and to pharmaceutically acceptable salts, prodrugs and solvates thereof, wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, and R11 are as defined herein. The above compounds of formula 1 are useful in the treatment of hyperproliferative disorders, such as cancer, in mammals. The invention also relates to pharmaceutical compositions containing the compounds of formula 1 and to methods of inhibiting abnormal cell growth, including cancer, in a mammal by administering the compounds of formula 1 to a mammal requiring such treatment.
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: December 17, 2002
    Assignee: Pfizer Inc.
    Inventors: Joseph P. Lyssikatos, Susan D. La Greca, Bingwei V. Yang
  • Patent number: 6492383
    Abstract: The invention relates to compounds of the formulas 1 and 2 and to pharmaceutically acceptable salts and hydrates thereof, wherein X1, R1, R2 and R11 are as defined herein. The invention also relates to pharmaceutical compositions containing the compounds of formulas 1 and 2 and to methods of treating hyperproliferative disorders in a mammal by administering the compounds of formulas 1 and 2.
    Type: Grant
    Filed: February 10, 2000
    Date of Patent: December 10, 2002
    Assignee: Pfizer Inc.
    Inventors: Michael John Munchhof, Susan Beth Sobolov-Jaynes, Matthew Arnold Marx
  • Patent number: 6465449
    Abstract: The invention relates to compounds of the formula 1 and to pharmaceutically acceptable salts and solvates thereof, wherein A, X, R1, R3 and R4 are as defined herein. The invention also relates to methods of treating abnormal cell growth in mammals by administering the compounds of formula 1 and to pharmaceutical compositions for treating such disorders which contain the compounds of formula 1. The invention also relates to methods of preparing the compounds of formula 1.
    Type: Grant
    Filed: January 20, 2000
    Date of Patent: October 15, 2002
    Assignee: Pfizer Inc.
    Inventors: John Charles Kath, Norma Jacqueline Tom, Eric David Cox, Samit Kumar Bhattacharya
  • Patent number: 6452041
    Abstract: An efficient and selective process, capable of scale-up, to make itaconate derivatives of formula (IV), and/or succinate derivatives of formula (V) and/or (VI) by asymmetric hydrogenation of the itaconate derivatives. wherein R, R1 and R2 are as defined herein.
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: September 17, 2002
    Assignee: Pfizer Inc.
    Inventors: Andrew Michael Derrick, Nicholas Murray Thomson
  • Patent number: 6388092
    Abstract: The present invention relates to compounds of formula 1 and pharmaceutically acceptable salts and solvates thereof wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, and Z are as defined herein. The invention also relates to pharmaceutical compositions comprising compounds of formula 1 and to methods of inhibiting abnormal cell growth, including cancer, in a mammal by administering compounds of formula 1 to the mammal. The invention also relates to intermediates and methods useful in synthesizing compounds of formula 1.
    Type: Grant
    Filed: April 17, 2001
    Date of Patent: May 14, 2002
    Assignee: Pfizer Inc
    Inventor: Bingwei V. Yang
  • Patent number: 6294552
    Abstract: The present invention relates to compounds of formula 1 and to pharmaceutically acceptable salts, prodrugs and solvates thereof, wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, and R11 are as defined herein. The above compounds of formula 1 are useful in the treatment of hyperproliferative disorders, such as cancer, in mammals. The invention also relates to pharmaceutical compositions containing the compounds of formula 1 and to methods of inhibiting abnormal cell growth, including cancer, in a mammal by administering the compounds of formula 1 to a mammal requiring such treatment.
    Type: Grant
    Filed: July 27, 2000
    Date of Patent: September 25, 2001
    Assignee: Pfizer Inc.
    Inventors: Joseph P. Lyssikatos, Susan D. La Greca
  • Patent number: 6294558
    Abstract: This invention provides a compound of the formula: or its pharmaceutically acceptable salt thereof, wherein A is partially unsaturated or unsaturated five membered heterocyclic, or partially unsaturated or unsaturated five membered carbocyclic, wherein the 4-(sulfonyl)phenyl and the 4-substituted phenyl in the formula (I) are attached to ring atoms of Ring A, which are adjacent to each other; R1 is optionally substituted aryl or heteroaryl, with the proviso that when A is pyrazole, R1 is heteroaryl; R2 is C1-4 alkyl, halo-substituted C1-4 alkyl, C1-4 alkylamino, C1-4 dialkylamino or amino; R3, R4 and R5 are independently hydrogen, halo, C1-4 alkyl, halo-substituted C1-4 alkyl or the like; or two of R3, R4 and R5 are taken together with atoms to which they are attached and form a 4-7 membered ring; R6 and R7 are independently hydrogen, halo, C1-4 alkyl, halo-substituted C1-4 alkyl, C1-4 alkoxy, C1-4 alkylthio, C1-4 alkylamino or N,N-di C1-4 alkylamino; and m and n are independently 1, 2, 3 or
    Type: Grant
    Filed: December 15, 1999
    Date of Patent: September 25, 2001
    Assignee: Pfizer Inc.
    Inventors: Kazuo Ando, Tomoki Kato, Akiyoshi Kawai, Tomomi Nonomura
  • Patent number: 6284764
    Abstract: The invention relates to compounds of the formula 1 and to pharmaceutically acceptable salts and solvates thereof, wherein A, X, R1, R3 and R4 are as defined herein. The invention also relates to methods of treating abnormal cell growth in mammals with administering the compounds of formula 1 and to pharmaceutical compositions for treating such disorders which contain the compounds of formula 1. The invention also relates to methods of preparing the compounds of formula 1.
    Type: Grant
    Filed: January 20, 2000
    Date of Patent: September 4, 2001
    Assignee: Pfizer Inc.
    Inventors: John Charles Kath, Norma Jacqueline Tom, Zhengyu Liu, Eric David Cox, Joel Morris, Samit Kumar Bhattacharya
  • Patent number: 6258824
    Abstract: The present invention relates to compounds of formula 1 and pharmaceutically acceptable salts and solvates thereof wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, and Z are as defined herein. The invention also relates to pharmaceutical compositions comprising compounds of formula 1 and to methods of inhibiting abnormal cell growth, including cancer, in a mammal by administering compounds of formula 1 to the mammal. The invention also relates to intermediates and methods useful in synthesizing compounds of formula 1.
    Type: Grant
    Filed: February 9, 2000
    Date of Patent: July 10, 2001
    Assignee: Pfizer Inc.
    Inventor: Bingwei V. Yang
  • Patent number: 6235764
    Abstract: The present invention relates to compounds of the formula 1 and to pharmaceutically acceptable salts, prodrugs and solvates thereof, wherein X1, R1, R2 and R3 are as defined herein. The invention also relates to pharmaceutical compositions containing the above compounds and to methods treating hyperproliferative disorders in mammals by administering the above compounds.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: May 22, 2001
    Assignee: Pfizer Inc.
    Inventors: Eric R. Larson, Mark C. Noe, Thomas G. Gant
  • Patent number: 6184380
    Abstract: A process for preparing a naphthyridone carboxylic acid and its derivatives makes use of side chain intermediates of formulae I and IV herein.
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: February 6, 2001
    Assignee: Pfizer Inc.
    Inventors: Charles K. Chiu, Lewin T. Wint
  • Patent number: 6153609
    Abstract: A compound of the formula ##STR1## wherein n, X, R.sup.3, R.sup.4 and Q are as defined above, useful in the treatment of a condition selected from the group consisting of arthritis, cancer, tissue ulceration, macular degeneration, restenosis, periodontal disease, epidermolysis bullosa, scleritis, and other diseases characterized by matrix metalloproteinase activity, AIDS, sepsis, septic shock and other diseases involving the production of TNF. In addition, the compounds of the present invention may be used in combination therapy with standard non-steroidal anti-inflammatory drugs (NSAID'S) and analgesics, and in combination with cytotoxic drugs such as adriamycin, daunomycin, cis-platinum, etoposide, taxol, taxotere and other alkaloids, such as vincristine, in the treatment of cancer.
    Type: Grant
    Filed: February 16, 1999
    Date of Patent: November 28, 2000
    Assignee: Pfizer Inc
    Inventors: Ralph P. Robinson, Todd A. Blumenkopf
  • Patent number: 6150377
    Abstract: The present invention relates to compounds of formula 1 and to pharmaceutically acceptable salts, prodrugs and solvates thereof, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9, R.sup.10, and R.sup.11 are as defined herein. The above compounds of formula 1 are useful in the treatment of hyperproliferative disorders, such as cancer, in mammals. The invention also relates to pharmaceutical compositions containing the compounds of formula 1 and to methods of inhibiting abnormal cell growth, including cancer, in a mammal by administering the compounds of formula 1 to a mammal requiring such treatment.
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: November 21, 2000
    Assignee: Pfizer Inc.
    Inventors: Joseph P. Lyssikatos, Susan D. La Greca