Search Patents
  • Publication number: 20030055061
    Abstract: Substituted pyrido[1,2-a]pyrazines of general formula I; wherein Ar and Ar1 represent various carbocyclic and heterocyclic aromatic rings; A represents O, S, SO, SO2, CHOH, C═O, or —(CR3R4); and n is 0-2, as well as precursors thereto, are ligands for dopamine receptor subtypes and serotonin (5HT) within the body and are therefore useful in the treatment of disorders of the dopamine and serotonin systems: 1
    Type: Application
    Filed: August 7, 2002
    Publication date: March 20, 2003
    Applicant: Pfizer Inc.
    Inventors: Kishor A. Desai, Anton F. Fliri, Mark A. Sanner
  • Patent number: 8697673
    Abstract: Compounds and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula I as defined herein. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: April 15, 2014
    Assignee: Pfizer Inc.
    Inventors: Martin Youngjin Pettersson, Douglas Scott Johnson, Chakrapani Subramanyam, Christopher John O'Donnell, Christopher William am Ende, Benjamin Adam Fish, Michael Eric Green, Patrick Bradley Mullins, Cory Michael Stiff, Tuan Phong Tran, Thayalan Navaratnam
  • Patent number: 8916564
    Abstract: Compounds and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula I as defined in the specification. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: December 23, 2014
    Assignee: Pfizer Inc.
    Inventors: Martin Youngjin Pettersson, Douglas Scott Johnson, Chakrapani Subramanyam, Christopher John O'Donnell, Christopher William am Ende, Michael Eric Green, Nandini Chaturbhai Patel, Cory Michael Stiff, Tuan Phong Tran, Gregory Wayne Kauffman, Antonia Friederike Stepan, Patrick Robert Verhoest
  • Patent number: 5789408
    Abstract: Compounds of formula (I) are active antiviral compounds useful in the treatment of viral infections in mammals. The compounds of the invention are readily prepared by reaction of a suitable 2-thiothiazole derivative with an appropriate Het-(CH.sub.2).sub.n -halide.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: August 4, 1998
    Assignee: Pfizer Inc.
    Inventors: Edward Fox Kleinman, Hiroko Masamune, Vinod Dipak Parikh
  • Publication number: 20140135338
    Abstract: The present invention provides a compound of Formula I or a pharmaceutically acceptable salt thereof, wherein R1, R2, R3, A1, A2, A3, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Application
    Filed: July 12, 2012
    Publication date: May 15, 2014
    Applicant: PFIZER INC.
    Inventors: Mary Didiuk, Kevin J. Filipski, Angel Guzman-Perez, Esther C. Lee, Jeffrey A. Pfefferkorn, Benjamin Stevens, Meihua Tu
  • Patent number: 9751877
    Abstract: Compounds and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula I as defined in the specification. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: September 5, 2017
    Assignee: PFIZER INC.
    Inventors: Martin Youngjin Pettersson, Douglas Scott Johnson, Chakrapani Subramanyam, Christopher John O'Donnell, Christopher William am Ende, Michael Eric Green, Nandini Chaturbhai Patel, Cory Michael Stiff, Tuan Phong Tran, Gregory Wayne Kauffman, Antonia Friederike Stepan, Patrick Robert Verhoest
  • Patent number: 6608064
    Abstract: The present invention is directed to the use of certain pyrido[1,2-a]-pyrazine derivatives, also described as bis-azabicyclic compounds and defined by the formula (I) herein, in the treatment of Parkinson's disease, attention deficit hyperactivity disorder and microadenomas in mammals, and to related compositions.
    Type: Grant
    Filed: May 3, 2001
    Date of Patent: August 19, 2003
    Assignee: Pfizer Inc
    Inventors: Stafford McLean, Stevin H. Zorn, Elisa R. Jackson
  • Patent number: 6465491
    Abstract: The present invention relates to certain 6-phenyl-pyridin-2-ylamine derivatives that exhibit activity as nitric oxide synthase (NOS) inhibitors, to pharmaceutical compositions containing them and to their use in the treatment and prevention of central nervous system disorders.
    Type: Grant
    Filed: April 4, 2001
    Date of Patent: October 15, 2002
    Assignee: Pfizer Inc.
    Inventors: John A. Lowe, III, Peter J. Whittle
  • Patent number: 7432263
    Abstract: Compounds which are amino-phthalazinone derivatives according to formula 1 and pharmaceutically acceptable salts thereof, together with pharmaceutical compositions comprising them are disclosed; these compounds or compostions are useful in the treatment of diseases caused by and/or associated with an altered protein kinase activity such as cancer, cell proliferative disorders, Alzheimer's disease, viral infections, autoimmune diseases and neurodegenerative disorders.
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: October 7, 2008
    Assignee: Pfizer Italia, S.r.l.
    Inventor: Maurizio Pulici
  • Patent number: 6858613
    Abstract: The invention provides compounds of Formula I: These compounds may be in the form of pharmaceutical salts or compositions, may be in pure enantiomeric form or racemic mixtures, and are useful in pharmaceuticals to treat conditions or diseases in which ?7 is known to be involved.
    Type: Grant
    Filed: February 14, 2003
    Date of Patent: February 22, 2005
    Assignee: Pfizer Inc.
    Inventors: Bruce N. Rogers, David W. Piotrowski, Daniel Patrick Walker, Eric Jon Jacobsen, Brad A. Acker, Donn G. Wishka, Vincent E. Groppi, Jr.
  • Publication number: 20150087585
    Abstract: Derivatives of purine, 3H-imidazo[4,5-b]pyrimidine and 1H-imidazo[4,5-d]pyrazine of Formula I that inhibit the activity of the diacylglycerol acyltransferase 2 (DGAT2) and their uses in the treatment of diseases linked thereto in animals are described herein.
    Type: Application
    Filed: March 26, 2013
    Publication date: March 26, 2015
    Applicant: PFIZER INC.
    Inventors: Kay Ahn, Markus Boehm, Shawn Cabral, Philip A. Carpino, Kentaro Futatsugi, David Hepworth, Daniel W. Kung, Suvi Orr, Jian Wang
  • Patent number: 4861779
    Abstract: Antibacterial compounds have the formula ##STR1## wherein R.sup.1 is hydrogen, a pharmaceutically acceptable cation, or alkyl; A is CH, CF, CCl or N; Y is alkyl, haloalkyl, cyclopropyl, vinyl, methoxy, N-methylamino, p-fluorophenyl, p-hydroxyphenyl or p-aminophenyl; or A is carbon and is taken together with Y and the carbon and nitrogen to which A and Y are attached to form a five to seven membered ring which is optionally substituted; and R.sup.2 is a bridged-diazabicycloalkyl group.
    Type: Grant
    Filed: August 19, 1986
    Date of Patent: August 29, 1989
    Assignee: Pfizer Inc.
    Inventors: Martin R. Jefson, Paul R. Mc Guirk
  • Publication number: 20140179667
    Abstract: This invention relates to compounds of general formula (I) in which R1, R2, U, V, L, M, R5, m, X, Y and Z are as defined herein, and the pharmaceutically acceptable salts thereof, to pharmaceutical compositions comprising such compounds and salts, and to methods of using such compounds, salts and compositions for the treatment of abnormal cell growth, including cancer.
    Type: Application
    Filed: December 18, 2013
    Publication date: June 26, 2014
    Applicant: PFIZER INC.
    Inventors: Martin Paul EDWARDS, Robert Arnold KUMPF, Pei-Pei KUNG, Indrawan James MCAPLINE, Sacha NINKOVIC, Eugene Yuanjin RUI, Scott Channing SUTTON, John Howard TATLOCK, Martin James WYTHES, Luke Raymond Zehnder
  • Patent number: 5852016
    Abstract: Compounds of formula (I), wherein A represents N or CH; R.sup.1 and R.sup.2 independently represent C.sup.1-4 alkyl, halo or CF.sub.3 ; R.sup.3 represents C.sub.1-4 alkyl (optionally substituted), C.sub.3-7 cycloalkyl, CF.sub.3 or aryl; R.sup.4 represents H, C.sub.3-7 cycloalkyl or C.sub.1-6 alkyl (optionally substituted); and their pharmaceutically acceptable derivatives; are useful in the treatment of, inter alia, neurodogenerative disorders.
    Type: Grant
    Filed: March 21, 1997
    Date of Patent: December 22, 1998
    Assignee: Pfizer Inc.
    Inventors: Michael Jonathan Fray, Charles Eric Mowbray, Alan Stobie
  • Patent number: 6200978
    Abstract: Compounds of the formula (I)—shown below—are described. The compounds are useful in the manufacture of a pharmaceutical composition for preventing or treating inflammatory diseases such as arthritis, psoriasis, asthma, or inflammatory bowel disease, disorders of respiratory function, gastrointestinal disorders such as functional bowel disease, functional GI disorders such as irritable bowel syndrome, functional diarrhoea, functional distension, functional pain, non-ulcerogenic dyspepsia or others associated with disorders of motility or secretion, urogenital tract disorders such as incontinence, as analgesics for treating pain including non-somatic pain, or as immunosuppressants to prevent rejection in organ transplant and skin graft.
    Type: Grant
    Filed: March 3, 1999
    Date of Patent: March 13, 2001
    Assignee: Pfizer Inc.
    Inventors: Graham Nigel Maw, Donald Stuart Middleton
  • Patent number: 6630472
    Abstract: Compounds that inhibit the peptidyl-prolyl isomerase (rotamase) enzyme activity of the FK-506 binding protein (FKBP) and compositions comprising these compounds are described. The FKBP-inhibiting compounds have a bicyclic [3.3.1], [4.3.1] or polycyclic azaamide nucleus. Pharmaceutical compositions containing such compounds help stimulate the outgrowth of neurites in nerve cells and augmenting nerve regeneration. Methods of treating nerve cells with such compositions are useful to promote repair of neuronal damage caused by disease and physical trauma.
    Type: Grant
    Filed: July 16, 1999
    Date of Patent: October 7, 2003
    Assignee: Pfizer Inc
    Inventors: Susumu Katoh, Hiroshi Kawakami, Hiroki Tada, Maria Angelica Linton, Vincent Kalish, John Howard Tatlock, Jesus Ernesto Villafranca
  • Patent number: 7345038
    Abstract: An aminomethylpyridyloxymethyl/benzisoxazole substituted azabicyclic compound of formula I, pharmaceutical composition comprising same, and a method of treating one or more CNS or other disorders, including concurrent treatment of disorders such as schizophrenia and depression, wherein formula I is or a pharmaceutically acceptable salt or thereof, wherein Z is wherein Y is methylene; X is oxygen; n is 0; R1 and R2 are each hydrogen or halogen; and R3 and R4 together with the nitrogen atom to which they are attached form i) a saturated non-aromatic 3 to 7 membered monocyclic ring, said ring i) being unsubstituted or substituted or substituted with one or more (C1–C4)alkyl, (C1–C4)alkoxy(C1–C4)alkyl, or hydroxy groups.
    Type: Grant
    Filed: March 12, 2004
    Date of Patent: March 18, 2008
    Assignee: Pfizer, Inc
    Inventors: Gene Michael Bright, Michael A. Brodney, Bishop Wlodecki
  • Patent number: 7101869
    Abstract: Novel compounds according to the formula and pharmaceutically acceptable salts, solvates, or hydrates thereof; wherein each occurrence of A is independently selected from CH or N; X is selected from the group consisting of —CH2—, —O—, —NH—, (C1-C6)alkylamino-, (C1-C6)alkylaminocarbonylamino-, (C1-C6)alkylcarbonylamino-, (C1-C6)alkylsulfonylamino-, phenylsulfonylamino-, carbonyl, —NH—C(O)—, —N(C1-C6)alkyl-C(O)—, —S(O)y— where y is 0, 1 or 2, and; n in —(CH2)n— is 1, 2 or 3; and R1, R2, and R3 are as described herein; pharmaceutical compositions that including these compounds, and methods for the treatment of autoimmune disease, inflammation, allergy, transplant rejection, and other circumstances where administration of an immunosuppressive agent is of therapeutic benefit.
    Type: Grant
    Filed: November 22, 2002
    Date of Patent: September 5, 2006
    Assignee: Pfizer Inc.
    Inventors: Todd A. Blumenkopf, Eileen Elliott Mueller, Eric Jan Roskamp
  • Publication number: 20120108588
    Abstract: The present invention relates to compounds and pharmaceutically acceptable salts of Formula (I): wherein X, R1, R2, R3, R4, R5, R6, R7, and R8 are as defined above. The invention further relates to pharmaceutical compositions comprising the compounds and pharmaceutically acceptable salts and to methods of treating diabetes mellitus and its complications (including in particular diabetic retinopathy, nephropathy or neuropathy), cancer, ischemia, inflammation, central nervous system disorders, cardiovascular disease, Alzheimer's disease and dermatological disease pression, viral diseases, inflammatory disorders, or diseases in which the liver is a target organ.
    Type: Application
    Filed: January 6, 2012
    Publication date: May 3, 2012
    Applicant: Pfizer, Inc.
    Inventors: Iriny Botrous, Yufeng Hong, Hui Li, Kevin Kun-Chin Liu, Seiji Nukui, Min Teng, Eileen Valenzuela Tompkins, Chunfeng Yin
  • Patent number: 5304557
    Abstract: A compound of the formula ##STR1## wherein A.sup.1 and A.sup.2 are independently N or CH;B is a covalent bond or C.dbd. O;R.sup.1 is hydrogen or C.sub.1 -C.sub.6 alkyl;R.sup.2 is hydrogen, fluorine, chlorine, bromine, trifluoromethyl, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, or C.sub.1 -C.sub.4 alkylthio;R.sup.3 is ##STR2## wherein R.sup.4 is phenyl optionally substituted;X is oxygen or sulphur;Y is hydrogen; or Y forms an indole group with the carbon on the ortho position of the phenyl in R.sup.4 ; or a pharmaceutically acceptable base salt thereof when R is hydrogen;with the proviso that when B is a covalent bond, A.sup.1 and A.sup.2 are each CH, and use for the inhibition of aldose reductase activity.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: April 19, 1994
    Assignee: Pfizer Inc.
    Inventor: Banavara L. Mylari