Abstract: Compositions of matter comprising a pharmaceutically acceptable salt of an aryl-heterocyclic compound, such as ziprasidone, in a cyclodextrin. Preferred cyclodextrins are SBECD and HPBCD. The composition can comprise a dry mixture, a dry inclusion complex or an aqueous solution. The salt/cyclodextrin inclusion complex preferably provides an amount of ziprasidone of at least 2.5 mgA/ml when the complex is dissolved in water at 40% w/v. A variety of ziprasidone salts are preferred, including the mesylate, esylate, besylate, tartrate, napsylate, and tosylate.
Type:
Grant
Filed:
November 5, 1998
Date of Patent:
May 15, 2001
Assignee:
Pfizer Inc.
Inventors:
Yesook Kim, Kevin C. Johnson, Ravi M. Shanker
Abstract: This invention relates to a novel improved process for preparation of N-[4-(3,4-dichlorophenyl)-3,4-dihydro-1(2H)-naphthalenylidene]methanamine from 4-(3,4-dichloro-phenyl)-3,4-dihydro-1(2H)-naphthalenone and monomethylamine.
Type:
Grant
Filed:
September 2, 1999
Date of Patent:
May 15, 2001
Assignee:
Pfizer Inc
Inventors:
Juan Carlos Colberg, David Michael Pfisterer, Geraldine Patricia Taber
Abstract: This invention provides an improved process for cis-1-{2-[4-(6-methoxy-2-phenyl-1,2,3,4-tetrahydronaphthalen-1-yl)phenoxy]ethyl}pyrrolidine which is an intermediate for the preparation of (-)cis-6-phenyl-5-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-5,6,7,8-tetrahydronaphthalene-2-ol which is useful for the treatment of osteoporosis.
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:
Type:
Grant
Filed:
August 5, 1999
Date of Patent:
May 15, 2001
Assignee:
Pfizer Inc
Inventors:
Kishor A. Desai, Anton F. J. Fliri, Mark A. Sanner
Abstract: The present invention relates to a process for alkylating hindered sulfonamides by Michael addition to propiolates, and to novel intermediates prepared in said process. The products of these reactions can be converted into pharmaceutical compounds useful in the treatment of disease states mediated by matrix metalloproteinase enzymes. Novel intermediates prepared according to the present invention include compounds of the formula
wherein R1 is (C1-C6)alkyl or optionally substituted benzyl;
R2 and R3 are independently (C1-C6)alkyl or R2 and R3 are taken together to form a three to seven membered cycloalkyl, pyran-4-yl ring or a bicyclo ring of the formula
wherein the asterisk indicates the carbon atom common to R2 and R3; and group Q is as herein described.
Abstract: This invention provides terpenoid lactone compounds, and processes for producing the terpenoid lactone compounds, which comprise cultivating Oidiodedron griseum FERM BP-5778 and then isolating the terpenoid lactone compounds from the fermentation broth. The present invention also provides a pharmaceutical composition comprising the terpenoid lactone compound, which is useful in the treatment of IL-1 and TNF mediated diseases or the like.
Abstract: The present invention relates to methods for treating nitrate-induced tolerance in a mammal by administering a nitrate-induced tolerance treating amount of a compound of formulae (I), (II), (III) (IV), (V), (VI), (VII), (VIII), (IX), (XA) or (XB) as defined herein, or the pharmaceutically acceptable salts, prodrugs, polymorphs, hydrates, solvates, active metabolites or stereoisomers thereof. The invention also relates to pharmaceutical compositions for the treatment of nitrate-induced tolerance in a mammal comprising a nitrate-induced tolerance treating amount of a compound of formulae (I), (II), (III) (IV), (V), (VI), (VII), (VIII), (IX), (XA) or (XB) as defined herein, or the pharmaceutically acceptable salts, prodrugs, polymorphs, hydrates, solvates, active metabolites or stereoisomers thereof, and a pharmaceutically acceptable vehicle, diluent or carrier.
Abstract: Compounds of formula (I) and pharmaceutically acceptable salts thereof, wherein R1, R2, AA and Y are as defined herein, inhibit phosphodiesterase type IV or inhibit the production of tumor necrosis factor, and therefore are useful in the treatment of certain conditions and diseases including asthma, arthritis, and sepsis.
Abstract: This invention relates to certain 4-aminoquinazoline derivatives of the formula
and their pharmaceutically acceptable salts wherein R1, Q1, m, n, and Z are defined as in the specification. The compounds of formula I and pharmaceutically acceptable salts are useful for the treatment of hyperproliferative disorders and conditions in mammals.
Abstract: This invention provides terpenoid lactone compounds, and processes for producing the terpenoid lactone compounds, which comprise cultivating Oidiodedron griseum FERM BP-5778 and then isolating the terpenoid lactone compounds from the fermentation broth. The present invention also provides a pharmaceutical composition comprising the teipenoid lactone compound, which is useful in the treatment of IL-1 and TNF mediated diseases or the like.
Abstract: A compound of the formula:
and the pharmaceutically acceptable acid addition salts thereof, wherein
A is NR1R2, CR1R2R11, or C(═CR1R12)R2, NHCR1R2R11, OCR1R2R11, SCR1R2R11, NHNR1R2, CR2R11NHR1, CR2R11OR1, CR2R11SR1 or C(O)R2;
wherein the rest of the variables are herein below defined, used for inflammatory disorders.
Abstract: The present invention relates to dioxocyclopentyl hydroxamide derivatives of the formula
wherein X, Z and Q are as defined in the specification, and to pharmaceutical compositions and methods of treatment thereof.
Abstract: A compound of the formula
wherein X, Y, R1 and R2 are as defined above, useful in the treatment of arthritis or cancer and other diseases involving selective inhibition of matrix metaloproteinase-13.
Abstract: The invention provides S-(+)-3-{1-(1,3-benzodioxol-5-yl)-2-[(2-methoxy-4-methylphenyl)sulfonylamino]-2-oxoethyl}-1-methyl-1H-indole-6-carboxylic acid, which is substantially free from its (R)-(−)-enantiomer, and pharmaceutically acceptable derivatives thereof. The compounds are useful in the treatment of inter alia acute renal failure, restenosis and pulmonary hypertension.
Type:
Grant
Filed:
April 18, 2000
Date of Patent:
April 3, 2001
Assignee:
Pfizer Inc.
Inventors:
Stephen Challenger, Kevin Neil Dack, Andrew Michael Derrick, Roger Peter Dickinson, David Ellis, Yousef Hajikarimian, Kim James, David James Rawson
Abstract: The invention relates to compounds of the formula I
and pharmaceutically acceptable salts thereof, wherein
R2a and R2b are independently selected from the group consisting essentially of hydrogen and hereinafter recited substituents, provided that one, but not both of R2a and R2b must be independently selected as hydrogen, wherein said substituents comprise:
wherein the dashed lines in formulas (Ia) and (Ib) independently and optionally represent a single or double bond, provided that in formula (Ia) both dashed lines cannot both represent double bonds at the same time; and
R, R1, R3, R4, R5, R6, R7, R18 and m are as defined. The invention further relates to intermediates for the preparation of the compounds of formula I, and to pharmaceutical compositions containing, and methods of using, the compounds of formula I, or acceptable salts thereof, for the inhibition of phosphodiesterase (PDE) type IV or the production of tumor necrosis factor (TNF) in a mammal.
Abstract: The present invention relates to 2-aminopyridine derivatives of the formula I:
or pharmaceutically acceptable salts thereof, wherein
A and B are each independently H, or together, A and B form a ring fused to the phenyl ring, said ring being saturated or unsaturated and containing from 5 to 7 ring member atoms, where said ring member atoms may optionally comprise from 1 to 2 heteroatoms selected independently from the group consisting of N, O or S, provided that no two adjacent ring members are heteroatoms;
X is oxygen or a single bond;
Y is (C1-C6)alkyl;
R1 is hydrogen, (C1-C6)alkyl or a (C1-C6 alkyl) group substituted with —NR2R3
wherein R2 and R3 are either selected independently from the group consisting of H, alkyl, aryl, aralkyl or tetrahydronaphthalene, wherein said aryl group or said aryl moiety of said aralkyl group is phenyl or naphthyl, said alkyl group or said alkyl moiety of said aralkyl group contains from one to six carbon atoms and is straight-chained or branched,
Abstract: This invention relates to certain squalene synthetase inhibitors useful as hypocholesterolemic agents, hypotriglyceridemic agents, antiatherosclerosis agents, antifungal agents, anti-Alzheimer's agents or anti-acne agents.
Abstract: A process is provided for the preparation of a compound of formulae (IA) (sidenafil) and (IB)
comprising reacting a compound of formula (IIA) and (IIB) respectively in the presence of —OR, wherein R in the case of formation of compound (IA) is CH2CH3 and R in the case of formation of compound (IB) is CH2CH2CH3, where X is a leaving group:
Type:
Grant
Filed:
October 8, 1999
Date of Patent:
March 27, 2001
Assignee:
Pfizer Inc.
Inventors:
Peter James Dunn, Philip Charles Levett