Patents Assigned to Pfizer
  • Patent number: 6040310
    Abstract: A method of treating conditions associated with neuropeptide Y which comprises administering a compound of the formula ##STR1## to a mammalian subject in need of such treatment.
    Type: Grant
    Filed: July 29, 1998
    Date of Patent: March 21, 2000
    Assignee: Pfizer Inc.
    Inventors: Robert L. Dow, Bonnie F. Tate
  • Patent number: 6037505
    Abstract: The anantoselective borane reduction of prochiral ketones to optically pure alcohols is effectively achieved by performing the reduction in the precence of catalytic amounts of the new and valuable oxazaborolidine compounds of formulas (I) and (II). The compounds of formulas (I) and (II) may be isolated and purified prior to use in the reduction reactions or the compounds of formulas (I) and (II) may be generated in situ.
    Type: Grant
    Filed: April 26, 1999
    Date of Patent: March 14, 2000
    Assignee: Pfizer Inc.
    Inventor: George Joseph Quallich
  • Patent number: 6037355
    Abstract: The present invention provides a compound of formula (I): ##STR1## and a pharmaceutically acceptable salt thereof, wherein Ar is phenylene optionally substituted with halo, hydroxy, cyano, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 halo-substituted alkyl or C.sub.1 -C.sub.4 halo-substituted alkoxy, X is --A--X.sup.1 -- or --X.sup.2 --A--, where A is a direct bond or C.sub.1 -C.sub.4 alkylene, and X.sup.1 is oxy, thio, sulfinyl or sulfonyl; Ar is phenylene, pyridylene or thienylene optionally substituted with halo, hydroxy, cyano, nitro, amino, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 halo-substituted alkyl, C.sub.1 -C.sub.4 halo-substituted alkoxy, C.sub.1 -C.sub.4 alkylamino or di(C.sub.1 -C.sub.4)alkylamino; Y is CN or CONR.sup.1 R.sup.2 wherein R.sup.1 and R.sup.2 are independently hydrogen or C.sub.1 -C.sub.4 alkyl; and R is hydrogen or C.sub.1 -C.sub.6 alkyl; W is C.sub.2 -C.sub.
    Type: Grant
    Filed: June 29, 1998
    Date of Patent: March 14, 2000
    Assignee: Pfizer Inc
    Inventors: Takashi Mano, Rodney W. Stevens
  • Patent number: 6034102
    Abstract: A method of treating atherosclerosis, independent of lipid lowering, in mammals, including humans, in need of treatment by inhibiting progression of an atherogenic lesion or by stabilizing plaque. Such lesion progression inhibition or plaque stabilization is preferably achieved by directly inhibiting chemokine expression leading to excessive inflammatory cell recruitment by administering a therapeutically effective amount of a compound of formula I.
    Type: Grant
    Filed: October 21, 1997
    Date of Patent: March 7, 2000
    Assignee: Pfizer Inc
    Inventor: Robert J. Aiello
  • Patent number: 6034107
    Abstract: The present invention provides novel 5-substituted picolinic acid compounds of formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## wherein R.sup.1 and R.sup.2 are independently H, C.sub.2 -C.sub.6 acyl or halo-substituted benzoyl; and R.sup.3 is --C(O)O--C.sub.1 -C.sub.6 alkyl, C(O)OH, CN, CONH.sub.2, CONHCH.sub.3, CON(CH.sub.3).sub.2, 1-methyltetrazole or 2-methyltetrazole, with the proviso that when R.sub.2 is acetyl and R.sup.3 is methoxycarbonyl, R.sup.1 is not H; and that when R.sup.3 is CN, CONH.sub.2, CONHCH.sub.3, CON(CH.sub.3).sub.2, 1-methyltetrazole or 2-methyltetrazole, R.sup.1 and R.sup.2 are H.The present invention also relates to a pharmaceutical composition comprising compound of the present invention, which is useful in the treatment of IL-1 and TNF mediated diseases or the like.The present invention further relates to a process for producing the compounds of the formula (I).
    Type: Grant
    Filed: October 26, 1998
    Date of Patent: March 7, 2000
    Assignee: Pfizer Inc.
    Inventors: Hideo Hirai, Katsuomi Ichikawa, Nakao Kojima, Hiroyuki Nishida, Kunio Satake, Nobuji Yoshikawa
  • Patent number: 6034082
    Abstract: Compounds of formula (I) ##STR1## and salts thereof, wherein: R.sup.1 is C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.7 cycloalkyl, C.sub.3 -C.sub.7 cycloalkyl(C.sub.1 -C.sub.4)alky aryl or aryl(C.sub.1 -C.sub.4)alkyl; wherein the C.sub.1 -C.sub.6 alkyl group is optionally substituted by fluorine and the C.sub.3 -C.sub.7 cycloalkyl or C.sub.3 -C.sub.7 cycloalkyl(C.sub.1 -C.sub.4)alkyl group is optionally substituted in the cycloalkyl ring by up to two substituents each independently selected from halo, C.sub.1 -C.sub.4 alkoxy or halo(C.sub.1 -C.sub.4)alkoxy; R.sup.2 is phenyl optionally substituted with one or two halo substituents or is indolyl, thienyl, benzothienyl or naphthyl; R.sup.3 is NH.sub.2,--NR.sup.4 SO.sub.2 (C.sub.1 -C.sub.6 alkyl), --NR.sup.4 SO.sub.2 aryl, --NR.sup.4 SO.sub.2 N(R.sup.4).sub.2, NR.sup.4 CO(C.sub.1 -C.sub.6 alkyl), --NR.sup.4 CO aryl or a group or formula (a) ##STR2## wherein W is O, NR.sup.5, CH(OH), CHCO.sub.2 H, CHN(R.sup.4).sub.2, CHF, CF.sub.2, C.dbd.O or CH.sub.2 ; R.sup.
    Type: Grant
    Filed: May 13, 1998
    Date of Patent: March 7, 2000
    Assignee: Pfizer Inc.
    Inventors: Alexander Roderick MacKenzie, Allan Patrick Marchington, Donald Stuart Middleton, Sandra Dora Meadows
  • Patent number: 6034076
    Abstract: The cephalosporin compound [6R, 7R]-7-[2-(2-Amino-4-thiazolyl)-2-(Z)-(methoxyimino)acetamido]-3-[1-(methyl amino)pyridinium-4-thiomethyl]-ceph-3-em-4-carboxylic acid chloride hydrochloride is provided as a mono-, di- or tri-hydrate. The hydrates are produced by treating an aqueous solution of the corresponding carboxylate with hydrogen chloride and have been found to possess unexpectedly superior stability properties over other forms of the compound. The hydrates may be used in the treatment and/or prevention of bacterial infections in humans and animals.
    Type: Grant
    Filed: August 14, 1997
    Date of Patent: March 7, 2000
    Assignee: Pfizer Inc.
    Inventor: Richard Andrew Bentely Webster
  • Patent number: 6031114
    Abstract: A method for preparing hydroxamic acid derivatives which are useful as analgesic, antiinflammatory, or neuroprotective agents.
    Type: Grant
    Filed: August 16, 1999
    Date of Patent: February 29, 2000
    Assignee: Pfizer Inc.
    Inventors: Keith M. DeVries, Brian C. Vanderplas
  • Patent number: 6030792
    Abstract: This invention provides novel antibodies and engineered versions thereof and methodology for monitoring biological media for protein fragments, especially collagen fragments resulting from collagenase cleavage of type II collagen.
    Type: Grant
    Filed: November 2, 1998
    Date of Patent: February 29, 2000
    Assignee: Pfizer Inc
    Inventors: Ivan G. Otterness, Peter S. Mezes, James T. Downs, Kimberly S. Johnson
  • Patent number: 6031105
    Abstract: The present invention relates to certain compounds of the formula (I), ##STR1## which are useful in the synthesis of certian .beta.-adrenergic receptor agonists. The invention also relates to a process for synthesizing the compounds of formula (I) and to compounds of the formula (II), ##STR2## wherein R.sup.1, R.sup.2 and R.sup.4 are defined herein, which are useful in the synthesis of the compounds of formula (I). The invention also relates to a process for synthesizing a compound of formula (II). The invention further relates to processes for synthesizing compounds of formula (Z*), ##STR3## R.sup.1, R.sup.2 and Y.sup.2* are defined herein.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: February 29, 2000
    Assignee: Pfizer Inc
    Inventor: Steven W. Wright
  • Patent number: 6028086
    Abstract: A compound of formula (I) wherein a, b, V, W, X, Y, Z, R.sup.1 and R.sup.2 are as defined above. The compound of formula (I) and the pharmaceutically acceptable salts thereof are useful in inhibiting phosphodiesterase (PDE) type IV and the production of tumor necrosis factor (TNF) and in the treatment of asthma, arthritis, bronchitis, chronic obstructive airways disease, psoriasis, allergic rhinitis, dermatitis and other inflammatory diseases characterized by phosphodiesterase (PDE) type IV activity as well as AIDS, sepsis, septic shock and other diseases, such as cachexia, involving the production of TNF.
    Type: Grant
    Filed: June 1, 1998
    Date of Patent: February 22, 2000
    Assignee: P Pfizer Inc
    Inventor: Allen J. Duplantier
  • Patent number: 6028096
    Abstract: A new group of parasiticidal pyrazoles of formula (I) wherein R.sup.2 is NH.sub.2, H, halogen, NH(C.sub.1-6 alkyl optionally substituted with one or more halogen), NH(allyl optionally substituted with one or more halogen), NH(benzyl optionally substituted with one or more halogen), NHSCF.sub.3, or R.sup.2 is C.sub.1-6 alkyl optionally substituted with one or more halogen; R.sup.3, R.sup.5 and R.sup.7 are each independently H, halogen, Sf.sub.5, C.sub.1-6 alkyl optionally substituted with one or more halogen, C.sub.1-6 alkoxy optionally substituted with one or more halogen, or S(O).sub.n (C.sub.1-6 alkyl optionally substituted with one or more halogen) wherein n is 0, 1 or 2; X is O or NOY; Y is H or C.sub.1-6 alkyl optionally substituted with one or more halogen; R.sup.8 is H, C.sub.1-8 alkyl optionally substituted with one or more halogen, or C.sub.3-8 cycloalkyl optionally substituted by one or more halogen, or by one or more C.sub.1-4 alkyl optionally substituted with one or more halogen, or by C.sub.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: February 22, 2000
    Assignee: Pfizer Inc
    Inventor: Bernard Joseph Banks
  • Patent number: 6025350
    Abstract: This invention relates to compounds of the formula ##STR1## and to pharmaceutically acceptable salts thereof. The compounds of formula 1 are potent antibacterial and antiprotozoal agents that may be used to treat various bacterial and protozoal infections and disorders related to such infections. The invention also relates to pharmaceutical compositions containing the compounds of formula 1 and to methods of treating bacterial and protozoal infections by administering the compounds of formula 1.
    Type: Grant
    Filed: July 29, 1998
    Date of Patent: February 15, 2000
    Assignee: Pfizer Inc.
    Inventors: Hiroko Masamune, Wei-Guo Su, Bingwei V. Yang
  • Patent number: 6022984
    Abstract: An efficent synthesis of furan sulfonamide compounds of formula ##STR1## comprising reacting a compound of formula 11 with a Grignard reagent in a reaction inert solvent, wherein R' is (C.sub.1 -C.sub.6)alkyl. The compound of formula II is prepared by reacting a compound of formula III with a compound of formula IV wherein R' is (C.sub.1 -C.sub.6)alkyl with a chorinating reagent and an acid scaverger in an inert solvent. The invention also includes a novel compound of the formula ##STR2## wherein R' is (C.sub.1 -C.sub.6)alkyl and Q is halo, hydroxy or amino.
    Type: Grant
    Filed: May 26, 1999
    Date of Patent: February 8, 2000
    Assignee: Pfizer Inc.
    Inventors: Frank J. Urban, Vytautas J. Jasys
  • Patent number: 6022968
    Abstract: This invention relates to novel processes for preparing the pharmaceutically active compound 5-(3-[(2S)-exo-bicyclo[2.2.1]hept-2-yloxy]-4-methoxyphenyl)3,4,5,6 tetrahydropyrimidin-2(1H)-one and its corresponding 2R enantiomer and for preparing certain intermediates used in the synthesis of these compounds. It also relates to novel intermediates used in the synthesis of such pharmaceutically active compounds and to other novel compounds that are related to such intermediates.
    Type: Grant
    Filed: August 18, 1997
    Date of Patent: February 8, 2000
    Assignee: Pfizer Inc
    Inventors: Thomas G. LaCour, Charles William Murtiashaw, III
  • Patent number: 6022978
    Abstract: Benzimidazole Derivatives having the formulae ##STR1## wherein B, Y, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined in the specification. These compounds and their pharmaceutically acceptable salts are useful in the treatment of CNS and stress related disorders.
    Type: Grant
    Filed: March 20, 1997
    Date of Patent: February 8, 2000
    Assignee: Pfizer Inc.
    Inventor: Robert A. Volkmann
  • Patent number: 6022971
    Abstract: The present invention provides compounds of the formula (I): ##STR1## and the pharmaceutically acceptable salts thereof, wherein R is C.sub.3 -C.sub.7 cycloalkyl, aryl or C.sub.1 -C.sub.6 alkyl, said C.sub.1 -C.sub.6 alkyl being optionally substituted by fluoro, --COOH, --COO(C.sub.1 -C.sub.4) alkyl, C.sub.3 -C.sub.7 cycloalkyl, adamantyl, aryl or het.sup.1, and said C.sub.3 -C.sub.7 cycloalkyl being optionally substituted by 1 or 2 substituents each independently selected from C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.7 cycloalkyl, C.sub.1 -C.sub.4 alkoxy, hydroxy, fluoro, fluoro(C.sub.1 -C.sub.4) alkyl and fluoro(C.sub.1 -C.sub.4)alkoxy;R.sup.1 is phenyl, benzyl, naphthyl, thienyl, benzothienyl or indolyl, each optionally substituted by 1 or 2 substituents each independently selected from C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halo and trifluoromethyl;R.sup.2 represents various groups;X is C.sub.1 -C.sub.4 alkylene; andX.sup.1 is a direct link or C.sub.1 -C.sub.6 alkylene.
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: February 8, 2000
    Assignee: Pfizer Inc
    Inventors: Alexander Roderick MacKenzie, Allan Patrick Marchington, Donald Stuart Middleton, Sandra Dora Meadows
  • Patent number: 6020335
    Abstract: An (N-(pyridinylmethyl)-heterocyclic)ylideneamine compound of the formula ##STR1## wherein R.sup.3, A, and B are as described below, and its pharmaceutically acceptable salts and prodrugs. Compounds of the formula I and their pharmaceutically acceptable salts and prodrugs are useful in the treatment of addictive disorders, such as the use of tobacco or other nicotine containing products, neurological and mental disorders such as senile dementia of the Alzheimer's type, Parkinson's disease, attentional hyperactivity disorder, anxiety, obesity, Tourette's Syndrome and ulcerative colitis.
    Type: Grant
    Filed: November 4, 1997
    Date of Patent: February 1, 2000
    Assignee: Pfizer Inc
    Inventors: Arthur A. Nagel, Steven W. Goldstein, Stanley Jung, Peter H. Dorff
  • Patent number: 6019986
    Abstract: Compounds of formula (I): ##STR1## or pharmaceutically, veterinarily or agriculturally acceptable salts thereof, or pharmaceutically, veterinarily or agriculturally acceptable solvates of either entity, wherein R.sup.1 is 2,4,6-trisubstituted phenyl or 3,5-disubstituted pyridin-2-yl; R.sup.3 is hydrogen; C.sub.2 to C.sub.5 alkyl substituted with one or more halo and with hydroxy; C.sub.2 to C.sub.5 alkanoyl substituted with one or more halo; C.sub.2 to C.sub.6 alkenyl optionally substituted with one or more halo; halo; amino or CONH.sub.2 ; R.sup.5 is hydrogen, amino or halo; R.sup.2 and R.sup.4 are each independently selected from hydrogen, fluoro, chloro and bromo; R.sup.6 and R.sup.8 are hydrogen; and R.sup.7 is hydrogen or C.sub.1 to C.sub.4 alkyl optionally substituted with one or more halo; are parasiticidal agents.
    Type: Grant
    Filed: July 1, 1999
    Date of Patent: February 1, 2000
    Assignee: Pfizer Inc.
    Inventor: Bernard Joseph Banks
  • Patent number: 6017964
    Abstract: The present invention provides novel methods of increasing serum levels of testosterone comprising administering to a mammal in need of such treatment an effective amount of a compound of formula I ##STR1## wherein R.sup.1 and R.sup.2 may be the same or different provided that, when R.sup.1 and R.sup.2 are the same, each is a methyl or ethyl group, and, when R.sup.1 and R.sup.2 are different, one of them is a methyl or ethyl group and the other is hydrogen or a benzyl group; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: December 9, 1998
    Date of Patent: January 25, 2000
    Assignee: Pfizer Inc.
    Inventors: David B. MacLean, David D. Thompson