Plural Ring Hetero Atoms In The Polycyclo Ring System Patents (Class 546/197)
  • Patent number: 6552049
    Abstract: Compounds of the formula useful for the treatment of depression such as obsessive compulsive disorder, panic attacks, generalized anxiety disorder, social anxiety disorder, sexual dysfunction, eating disorders, obesity, addictive disorders caused by ethanol or cocaine abuse and related illnesses.
    Type: Grant
    Filed: April 24, 2002
    Date of Patent: April 22, 2003
    Assignee: Wyeth
    Inventors: Gary P. Stack, Hong Gao, Elizabeth S. Gildersleeve
  • Publication number: 20030073680
    Abstract: The present invention provides amino ceramide-like compounds which inhibit glucosyl ceramide (GlyCer) formation by inhibiting the enzyme GlyCer synthase, thereby lowering the level of glycosphingolipids. The compounds of the present invention have improved GlcCer synthase inhibition activity and are therefore useful in therapeutic methods for treating various conditions and diseases associated with altered glycosphingolipid levels.
    Type: Application
    Filed: April 29, 2002
    Publication date: April 17, 2003
    Applicant: The Regents of The University of Michigan
    Inventors: James A. Shayman, Norman S. Radin
  • Publication number: 20030073690
    Abstract: Novel compounds of the formula 1
    Type: Application
    Filed: May 23, 2002
    Publication date: April 17, 2003
    Inventors: Deen Tulshian, Ginny D. Ho, Lisa S. Silverman, Julius J. Matasi, Robbie L. McLeod, John A. Hey, Richard W. Chapman, Ana Bercovici, Francis M. Cuss
  • Patent number: 6544997
    Abstract: The present invention of compounds of formula (I) a stereochemically isomeric form thereof, an N-oxide form thereof or a pharmaceutically acceptable acid addition salt thereof, —R1—R2— is a bivalent radical of formula wherein in said bivalent radicals one or two hydrogen atoms may be substituted with C1-6alkyl or hydroxy; R3 is hydrogen or halo; R4 is hydrogen or C1-6alkyl; R5 is hydrogen or C1-6alkyl; L is C3-6cycloalkyl, oxoC5-6cycloalkyl, C2-6alkenyl, or L is a radical of formula —Alk—R6—, Alk—X—R7, —Alk—Y—C(═O)—R9, or —Alk—Y—C(═O)—NR11R12 wherein each Alk is C1-12alkanediyl; and R6 is hydrogen, amino, cyano, C1-6alkylsulfonylamino, C3-6cycloalkyl, oxoC5-6cycloalkyl, aryl or a heterocyclic ringsystem; R7 is hydrogen, C1-6alkyl, hydroxyC1-6alkyl, C3-6cycloalkyl, aryl or a heterocyclic ringsystem; X is O, S, SO2 or NR8; said R8 being hydrogen or C1-6alkyl; R9 is hydrogen, C1-6alkyl, C3-
    Type: Grant
    Filed: June 8, 2001
    Date of Patent: April 8, 2003
    Assignee: Janssen Pharmaceutica, N.V.
    Inventors: Jean-Paul René Marie André Bosmans, Ann Louise Gabriëlle Meulemans, Michel Anna Jozef De Cleyn, Henricus Jacobus Maria Gijsen
  • Patent number: 6541637
    Abstract: A process for drying paroxetine hydrochloride anhydrate comprising (A) reacting a paroxetine compound with hydrogen chloride in the presence of isopropyl alcohol and crystallizing the resulting product, to obtain paroxetine hydrochloride anhydrate, and drying the resulting paroxetine hydrochloride anhydrate at a temperature of not more than 60° C. and under normal pressure or lower in an atmosphere which does not substantially contain moisture until the content of isopropyl alcohol attains to not more than 15% by weight; and (B) further drying the paroxetine hydrochloride anhydrate at a temperature of 80° to 110°C. in an atmosphere reduced to not more than 20 mm Hg until the content of isopropyl alcohol attains to not more than 5% by weight.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: April 1, 2003
    Assignee: Sumika Fine Chemicals Co., Ltd.
    Inventors: Mitsuru Okatake, Taro Ishibashi, Yoshihiro Kawata
  • Publication number: 20030060472
    Abstract: New compounds of formula I are described: 1
    Type: Application
    Filed: June 20, 2001
    Publication date: March 27, 2003
    Inventors: David Alexander Learmonth, Patricio Manuel Vieira Araujo Soares da Silva
  • Publication number: 20030050304
    Abstract: The present invention provides compounds of formula (I): 1
    Type: Application
    Filed: June 25, 2002
    Publication date: March 13, 2003
    Inventors: William W. McWhorter, Valentina Badescu
  • Publication number: 20030045526
    Abstract: Compounds of the formula: 1
    Type: Application
    Filed: April 23, 2002
    Publication date: March 6, 2003
    Applicant: Wyeth
    Inventor: Gary P. Stack
  • Publication number: 20030040623
    Abstract: The present invention relates to specific photochromic h-annellated benzo[f]chromene derivatives and their use in synthetic resins of all types, especially for ophthalmic applications. In particular, the present invention relates to photochromic compounds derived from benzo[f]chromenes, which in the open form have especially long-wave absorption maxima making it possible to obtain violet to blue tints when used in phototropic glasses.
    Type: Application
    Filed: May 10, 2002
    Publication date: February 27, 2003
    Inventors: Claudia Mann, Manfred Melzig, Udo Weigand
  • Patent number: 6521758
    Abstract: Tosylate salts are useful in purifying 4-(fluorophenyl)-3-carbinol-piperidines from the corresponding des-fluoro impurity. The purified compounds are advantageously used in paroxetine synthesis.
    Type: Grant
    Filed: May 14, 2001
    Date of Patent: February 18, 2003
    Assignee: Synthon BV
    Inventors: Jacobus M. Lemmens, Theodorus H. A. Peters, Pavel Slanina
  • Publication number: 20030032809
    Abstract: Described herein are methods for manufacturing amorphous paroxetine hydrochloride by mixing a carboxylic acid salt of paroxetine with hydrogen chloride and isolating the amorphous paroxetine hydrochloride. Also described herein are methods for manufacturing substantially pure paroxetine free base and methods for obtaining paroxetine salts such as paroxetine acetate, paroxetine trifluoroacetate, and paroxetine formate. Also described are methods for preparing paroxetine carbonate, paroxetine phosphate, paroxetine sulfate, and analogous salts thereof. The paroxetine salts may be formulated for the treatment of medical disorders as described.
    Type: Application
    Filed: April 25, 2002
    Publication date: February 13, 2003
    Inventors: Subhash P. Upadhyaya, Bruce Ronsen, Bryant Wojcik
  • Publication number: 20030028027
    Abstract: Paroxetine maleate and its preparation and use in the treatment and prevention of inter alia depression.
    Type: Application
    Filed: June 17, 2002
    Publication date: February 6, 2003
    Applicant: SmithKline Beecham plc
    Inventors: Victor Witold Jacewicz, David Alan Jones, John Man
  • Patent number: 6514967
    Abstract: The invention relates to compounds of the following general formula (I): in which: R1 and R2 represent a hydrogen atom, or form a ring, especially a benzene ring, R3 represents a hydrogen atom or an alkyl group, especially a methyl group, X and Y, independently of one another, represent a carbon atom, or a heteroatom such as a sulphur atom S, or a group with the formula (a) in which R4 and R5 represent a hydrogen atom or a methyl group, or R4 and R5 form a heterocycle, and their use for the preparation of a drug intended for the treatment of pathologies associated with abnormally high concentrations of extracellular glutamate.
    Type: Grant
    Filed: December 16, 1999
    Date of Patent: February 4, 2003
    Assignee: Centre National de la Recherche Scientifique
    Inventors: Jean-Marc Kamenka, Isoline Caubere, Gerard Barbanel
  • Patent number: 6511976
    Abstract: This invention concerns the compounds of formula (I), the N-oxide forms, the pharmaceutically acceptable addition salts and the stereochemically isomeric forms thereof, wherein n is zero, 1, 2, 3, 4, 5 or 6; X is CH2 or O; R1 and R2 each independently are hydrogen, C1-6alkyl, C1-6alkylcarbonyl, halomethylcarbonyl or C1-6alkyl substituted with hydroxy, C1-6alkyloxy, carboxyl, C1-6alkylcarbonyloxy, C1-6alkyloxycarbonyl or aryl; or R1 and R2 taken together with the nitrogen atom to which they are attached may form a morpholinyl ring or an optionally substituted heterocycle; R3 and R4 are both halogen; or R3 is halogen and R4 is hydrogen; or R3 is hydrogen and R4 is halogen; and aryl is phenyl or phenyl substituted with 1, 2 or 3 substituents selected from halo, hydroxy, C1-6alkyl and halomethyl. The compounds of formula (I) may be used as therapeutic agents.
    Type: Grant
    Filed: April 6, 2000
    Date of Patent: January 28, 2003
    Assignee: Jannsen Pharmaceutica, N.V.
    Inventors: José Ignacio Andrés-Gil, Francisco Javier Fernández-Gadea, Pilar Gil-Lopetegui, Adolfo Díaz-Martinez
  • Publication number: 20030018050
    Abstract: The present invention relates to indole and 2,3-dihydroindole derivatives having formula (I) 1
    Type: Application
    Filed: August 16, 2002
    Publication date: January 23, 2003
    Applicant: H. Lundbeck A/S
    Inventors: Ejner Knud Moltzen, Jens Kristian Perregaard, Ivan Mikkelsen, Garrick Paul Smith
  • Publication number: 20030018045
    Abstract: This invention provides compounds of Formula I having the structure 1
    Type: Application
    Filed: July 2, 2002
    Publication date: January 23, 2003
    Applicant: Wyeth
    Inventors: Mark Anthony Ashwell, William Ronald Solvibile, Dominick Anthony Quagliato, Albert John Molinari
  • Patent number: 6509464
    Abstract: Compounds of formula (I), their salts and solvates, wherein the substituents are as described herein, are FKBP inhibitors.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: January 21, 2003
    Assignee: Pfizer Inc
    Inventors: Martin J. Wythes, Michael J. Palmer, Mark I. Kemp, Malcolm C. MacKenny, Robert J. Maguire, James F. Blake, Jr.
  • Patent number: 6509339
    Abstract: This invention concerns the compounds of formula the N-oxide forms, the pharmaceutically acceptable acid addition salts and the stereochemically isomeric forms thereof, wherein R1 is C1-6alkyloxy, C2-6alkenyloxy or C2-6alkynyloxy; R2 is hydrogen or C1-6alkyloxy, or when taken together R1 and R2 may form a bivalent radical of formula wherein in said bivalent radicals one or two hydrogen atoms may be substituted with C1-6alkyl, R3 is hydrogen or halo; L is C3-6cycloalkyl, C5-6cycloalkanone, C2-6alkenyl optionally substituted with aryl, or L is a radical of formula -Alk-R4, -Alk-NR5R6, 1-R6-4-piperidinyl, Alk-X—R7, -Alk-Y—C(═O)—R9, or -Alk-Y—C(═O)—NR11R12 wherein each Alk is C1-12alkanediyl; R4 is hydrogen, C1-6alkylsulfonylamino, C3-6cycloalkyl, C5-6cycloalkanone, Ar-, di(Ar)methyl, Ar-oxy- or Het1; R5 is hydrogen or C1-6alkyl; R6 is Het2; R7 is hydrogen, C1-6alkyl, hydroxyC1-6alkyl, C3-6cycloalkyl, Ar or Het2; X is O, S, SO2 or NR8; said R8 being hydrog
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: January 21, 2003
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Jean-Paul René Marie Bosmans, Christopher John Love, Marc Gustaaf Celine Verdonck, Joannes Adrianus Jacobus Schuurkes
  • Patent number: 6503927
    Abstract: A stable amorphous paroxetine hydrochloride composition suitable as a therapeutic agent is prepared employing an aqueous solvent medium containing an acidulant and polyvinylpyrrolidone and drying the resulting solid dispersion. The preferred compositions include amorphous paroxetine hydrochloride, polyvinylpyrrolidone and citric acid.
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: January 7, 2003
    Assignee: Pentech Pharmaceuticals, Inc.
    Inventors: Bruce Ronsen, Yogesh D. Sadhale, Ragab El-Rashidy
  • Publication number: 20030004188
    Abstract: Invented is paroxetine hydrochloride anhydrate in Form B and paroxetine hydrochloride anhydrate in Form D. Also invented are pharmaceutical formulations comprising these compounds and methods of using these compounds in therapy.
    Type: Application
    Filed: August 12, 2002
    Publication date: January 2, 2003
    Applicant: SmithKline Beecham Corporation
    Inventors: Neal Ward, Victor Witold Jacewicz
  • Patent number: 6500846
    Abstract: The present invention relates to a novel flavone derivative, pharmaceutically acceptable salt, hydrate, solvate and isomer thereof which is useful as an inhibitor against Cyclin Dependent Kinase (CDK), a process for preparation thereof, and a composition of anti-cancer agent or agent for treating neurodegenerative disease comprising this compound as an active ingredient.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: December 31, 2002
    Assignee: LG Chemical, Ltd.
    Inventors: Chang Yong Hong, Tae Sik Park, Young Kwan Kim, Jin Ho Lee, Jong Hyun Kim, Dong Myung Kim, Ho Sun Son, Sang Woong Kim, Eunice Eun Kyeong Kim
  • Patent number: 6500818
    Abstract: Compounds having the following formula wherein L, M, R2, R3, R4, R5, R6, R7, X1 and X2 are as defined in the specification, pharmaceutically-acceptable salt thereof, useful for treating depression, anxiety, asthma, rheumatoid arthritis, Alzheimer's disease, cancer, schizophrenia, oedema, allergic rhinitis, inflammation, pain, gastrointestinal-hypermotility, emesis, Huntington's disease, psychoses, hypertension, migraine, bladder hypermotility, or urticaria, compositions including such compounds and processes for making such compounds.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: December 31, 2002
    Assignee: Astrazeneca AB
    Inventors: Peter Robert Bernstein, Robert Frank Dedinas, Cyrus John Ohnmacht, Keith Russell
  • Publication number: 20020198387
    Abstract: A process for producing a paroxetine represented by the following formula (4), which comprises reacting an N-alkylpiperidine represented by the following general formula (1) with a haloformic acid ester represented by the general formula (2) to prepare an alkoxycarbonylpiperidine represented by the general formula (3), and hydrolyzing the alkoxycarbonylpiperidine under alkaline conditions: 1
    Type: Application
    Filed: May 30, 2002
    Publication date: December 26, 2002
    Applicant: ASAHI GLASS COMPANY LTD.
    Inventors: Shu-zhong Wang, Yasushi Matsumura
  • Publication number: 20020193401
    Abstract: Compounds of the formula 1
    Type: Application
    Filed: April 25, 2002
    Publication date: December 19, 2002
    Applicant: Wyeth
    Inventors: Megan Tran, Gary P. Stack
  • Publication number: 20020193406
    Abstract: Piperidine compounds, processes for preparing them, pharmaceutical compositions comprising them and their use in therapy are disclosed.
    Type: Application
    Filed: June 18, 2002
    Publication date: December 19, 2002
    Applicant: SmithKline Beecham plc
    Inventors: Andrew Simon Craig, Victor Witold Jacewicz, Michael Urquhart
  • Publication number: 20020193400
    Abstract: Compounds of the formula 1
    Type: Application
    Filed: April 23, 2002
    Publication date: December 19, 2002
    Applicant: Wyeth
    Inventors: George E.M. Husbands, Gary P. Stack, Richard E. Mewshaw, Ian A. Cliffe
  • Patent number: 6495568
    Abstract: Compounds of formula (I): or pharmaceutically or veterinarily acceptable salts thereof, or pharmaceutically or veterinarily acceptable solvates of either entity, wherein the broken line represents an optional bond; A is C or CH; B is CH2, O or absent; R1 and R2 are each independently selected from hydrogen, C1 to C6 alkyl optionally substituted with C1 to C4 alkoxy or phenyl, and C1 to C6 alkenyl; or, together with the carbon atom to which they are attached, form a C3 to C6 cycloalkyl group which optionally incorporates a heteroatom linkage selected from O, SO, SO2 and NR6 or which is optionally benzo-fused; R3 is hydrogen, halo, R7 or OR7; R4 is hydrogen, C1 to C4 alkyl, C1 to C4 alkoxy, trifluoromethyl or halo; R6 is hydrogen or C1 to C4 alkyl; R7 is an optionally substituted monocyclic or bicyclic ring system; m is 1 or 2; and n is 0, 1 or 2; with the proviso that B is not O when A is C; are MMP inhibitors useful in the treatment of, inter alia, tissue ulceration, wound repair and skin di
    Type: Grant
    Filed: October 12, 2001
    Date of Patent: December 17, 2002
    Assignee: Warner-Lambert Company
    Inventors: Kevin Neil Dack, Gavin Alistair Whitlock
  • Patent number: 6495549
    Abstract: Compounds of formula (I), their salts and solvates, wherein the substituents are as described herein, are FKBP inhibitors.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: December 17, 2002
    Assignee: Pfizer Inc
    Inventors: Martin J. Wythes, Michael J. Palmer, Mark I. Kemp, Malcolm C. MacKenny, Robert J. Maguire, James F. Blake, Jr.
  • Patent number: 6492394
    Abstract: A compound of the Formula (I): wherein Z, R1, R, and Ar2 are as defined in the specification. This invention also relates to sulfonamide compounds of the Formula (I) that are inhibitors of procollagen C-proteinase, pharmaceutical compositions containing them, methods for their use, and methods for preparing the compounds.
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: December 10, 2002
    Assignee: Syntex (U.S.A.) LLC
    Inventors: Roland Joseph Billledeau, Chris Allen Broka, Jeffrey Allen Campbell, Jian Jeffrey Chen, Sharon Marie Dankwardt, Nancy Delaet, Leslie Ann Robinson, Keith Adrian Murray Walker
  • Publication number: 20020183310
    Abstract: This invention provides estrogen receptor modulators of formula 1, having the structure 1
    Type: Application
    Filed: April 15, 2002
    Publication date: December 5, 2002
    Applicant: Wyeth
    Inventors: Christopher P. Miller, Michael D. Collini, Heather A. Harris, James C. Keith
  • Publication number: 20020183354
    Abstract: Compounds of the formula: 1
    Type: Application
    Filed: April 25, 2002
    Publication date: December 5, 2002
    Applicant: Wyeth
    Inventors: Megan Tran, Gary P. Stack
  • Publication number: 20020183353
    Abstract: Compounds of the formula 1
    Type: Application
    Filed: April 24, 2002
    Publication date: December 5, 2002
    Applicant: Wyeth
    Inventors: Gary P. Stack, Hong Gao, Elizabeth S. Gildersleeve
  • Patent number: 6479517
    Abstract: This invention relates to the fields of pharmaceutical and organic chemistry and provides novel phosphorous-containing benzothiophene compounds which are useful for the treatment of the various medical indications associated with post-menopausal syndrome, as well as estrogen dependent diseases including cancer of the breast, uterus and cervix. The present invention further relates to intermediate compounds and processes useful for preparing the pharmaceutically active compounds of the present invention, and pharmaceutical compositions.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: November 12, 2002
    Assignee: Eli Lilly and Company
    Inventors: Henry U. Bryant, Jeffrey A. Dodge, Jeffrey S. Nissen
  • Patent number: 6476035
    Abstract: The present invention relates to indole and 2,3-dihydroindole derivatives having formula (I) or any of its any of its enantiometers or any mixture thereof, or an acid addition salt thereof, wherein A, R1, R2, R3, W, X, Y and Z are as described in the description. The compounds are potent serotonin reuptake inhibitors and have 5-HT1A receptor antagonistic activity.
    Type: Grant
    Filed: January 25, 2000
    Date of Patent: November 5, 2002
    Inventors: Ejner Knud Moltzen, Jens Kristian Perregaard, Ivan Mikkelsen, Garrick Paul Smith
  • Patent number: 6476227
    Abstract: A piperidine derivative, which can be used as an intermediate for pharmaceuticals such as paroxetine useful as antidepressants, represented by the general formula (I): wherein R1 is hydrogen atom, benzyloxycarbonyl group or tert-butoxycarbonyl group; R2 is hydroxymethyl group, an alkylsulfonyloxymethyl group having an alkyl moiety of 1 to 2 carbon atoms, phenylsulfonyloxymethyl group which may have methyl group at the 4-position, (3,4-methylenedioxyphenyl)oxymethyl group, carboxyl group or —CO2R7 group in which R7 is an alkyl group having 1 to 5 carbon atoms, and Z is methylene group or carbonyl group, with proviso that, (A) when R1 is benzyloxycarbonyl group or tert-butoxycarbonyl group, then R2 is hydroxymethyl group, an alkylsulfonyloxymethyl group having an alkyl moiety of 1 to 2 carbon atoms, phenylsulfonyloxymethyl group which may have methyl group at the 4-position or (3,4-methylenedioxyphenyl)oxymethyl group, and Z is methylene group; or (B) when R1 is hydrogen atom and Z is ca
    Type: Grant
    Filed: April 14, 2000
    Date of Patent: November 5, 2002
    Assignee: Sumika Fine Chemicals Co., Ltd.
    Inventors: Kiyoshi Sugi, Nobushige Itaya, Tadashi Katsura, Masami Igi, Shigeya Yamazaki, Taro Ishibashi, Teiji Yamaoka, Yoshihiro Kawada, Yayoi Tagami
  • Patent number: 6472394
    Abstract: Disclosed are compounds represented by structural formula I: or a pharmaceutically acceptable salt, ester or solvate thereof, wherein W is R1—CR3R12NR4C(O)— or R11C(O)NR4—; the dotted line is an optional double bond; X is —CHR8—, —C(O)—, or —C(═NOR9)—; Y is R1 is optionally substituted cycloalkyl, cycloalkylalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocycloalkyl or heterocycloalkyl-alkyl; R2 is optionally substituted aryl or heteroaryl; R3 is alkyl, aryl or heteroaryl; R4 and R12 are H or alkyl; R8 is H, alkyl or alkoxyalkyl; R9 is H, alkyl or arylalkyl; R10 is H, alkyl or aryl; R11 is or, when R2 is R6-heteroaryl or R10 is not H, R11 can also be R5-phenylalkyl; n is 1-3 and m is 1-5; and R14 is 1-3 substituents selected from H, alkyl, halogen, —OH, alkoxy and CF3; and pharmaceutical compositions containing the compounds and methods of using the compounds in the tr
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: October 29, 2002
    Assignee: Schering Corporation
    Inventors: Brian A. McKittrick, Jing Su, John W. Clader, Shengjian Li, Guihau Guo
  • Patent number: 6469029
    Abstract: The present invention is directed to non-peptidic factor Xa inhibitors which are useful for the treatment of arterial and venous thrombotic occlusive disorders, inflammation, cancer, and neurodegenerative diseases. The factor Xa inhibitors provide compounds having Formula I: or pharmaceutically acceptable salts thereof; wherein Q is phenyl, benzyl, pyridyl, thienyl, indolyl, quinolinyl, benzothienyl, biphenylyl, or imidazolyl; any of which can include one or more optional substituents independently selected from halo, trifluoromethyl, hydroxy, amino, nitro, cyano, C1-3 alkoxy, C1-3 alkyl, methylenedioxy, carboxamido, acetamido, or amidino; X is methylene, carbonyl, or sulfonyl; Z is methylene, ethylene, or propylene; M is methylene or ethylene; and R1 R2 and R3 are independently hydrogen or C1-3 alkyl.
    Type: Grant
    Filed: September 13, 2000
    Date of Patent: October 22, 2002
    Assignee: 3-Dimensional Pharmaceuticals, Inc.
    Inventors: Scott C. Miller, Juan José Marugán Sánchez, Kristin D. Haslow, Jonathan Hall
  • Publication number: 20020151567
    Abstract: The present invention provides a process for preparing N-methylparoxetine, an intermediate in the synthesis of paroxetine, by reacting sesamol-tetrabutylammonium salt with CIPMA. The synthesis of the intermediate in the prior are resulted in a particularly low yield. The use of the sesamol-tetrabutylammonium salt increases the yield by more than three folds over the prior art. The present invention is not limited to the synthesis of N-methylparoxetine, but also includes other similar compounds.
    Type: Application
    Filed: February 2, 2002
    Publication date: October 17, 2002
    Inventor: Nina Finkelstein
  • Publication number: 20020151716
    Abstract: The synthesis of paroxetine can be made more convenient by using a solvent system comprising an aliphatic alcohol and a hydrocarbon co-solvent. The solvent system is used particularly in the hydrolysis of paroxetine phenylcarbamate and preferably uses butanol and toluene as the system.
    Type: Application
    Filed: February 15, 2002
    Publication date: October 17, 2002
    Inventors: Jacobus M. Lemmens, Theodorus H. A. Peters, Frantisek Picha
  • Publication number: 20020147219
    Abstract: The invention relates to new compounds of formula I 1
    Type: Application
    Filed: October 16, 2001
    Publication date: October 10, 2002
    Inventors: Horst Dollinger, Franz Esser, Birgit Jung, Kurt Schromm, Georg Speck
  • Patent number: 6462041
    Abstract: The present invention is directed to gambogic acid, analogs and derivatives thereof, represented by the general Formulae I-III: wherein R1-R5 are defined herein. The present invention also relates to the discovery that compounds having Formula I-III are activators of caspases and inducers of apoptosis. Therefore, the activators of caspases and inducers of apoptosis of this invention can be used to induce cell death in a variety of clinical conditions in which uncontrolled cell growth and spread of abnormal cells occurs.
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: October 8, 2002
    Assignee: Cytovia, Inc.
    Inventors: Sui Xiong Cai, Han-Zhong Zhang, Yan Wang, Ben Tseng, Shailaja Kasibhatla, John A. Drewe
  • Patent number: 6458785
    Abstract: Selected amino acid hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. The present invention relates to retroviral protease inhibitors and, more particularly, relates to selected novel compounds, composition and method for inhibiting retroviral proteases, such as human immunodeficiency virus (HIV) protease, prophylactically preventing retroviral infection or the spread of a retrovirus, and treatment of a retroviral infection.
    Type: Grant
    Filed: April 18, 2001
    Date of Patent: October 1, 2002
    Assignee: G. D. Searle
    Inventors: Daniel P Getman, Gary A. DeCrescenzo, John N. Freskos, Michael L. Vazquez, James A. Sikorski, Balekudru Devadas, Srinivasan Nagarajan, David L. Brown, Joseph J. McDonald
  • Publication number: 20020137938
    Abstract: A process for the preparation of a carbamate of formula (1): 1
    Type: Application
    Filed: March 27, 2002
    Publication date: September 26, 2002
    Applicant: SmithKlineBeecham plc
    Inventor: Edward Lucas
  • Publication number: 20020133011
    Abstract: 1
    Type: Application
    Filed: May 3, 2002
    Publication date: September 19, 2002
    Applicant: SmithKline Beecham plc
    Inventors: Victor Witold Jacewicz, Marvin Sungwhan Yu, Evgeny Shapiro
  • Patent number: 6451816
    Abstract: The invention relates to the use of pharmacologically valuable pyridyl alkane, pyridyl alkene and/or pyridyl alkine acid amides according to general formula (I) in the treatment of tumors or for immunosuppression.
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: September 17, 2002
    Assignee: Klinge Pharma GmbH
    Inventors: Elfi Biedermann, Max Hasmann, Roland Löser, Benno Rattel, Friedemann Reiter, Barbara Schein, Klaus Seibel, Klaus Vogt
  • Patent number: 6448243
    Abstract: A novel 1,4-substituted cyclic amine derivative represented by the following formula or a pharmacologically acceptable salt thereof: (wherein A, B, C, D, T, Y and Z represent each methine or nitrogen; R1, R2, R3, R4 and R5 represent each a substituent; n represents 0 or an integer of 1 to 3; m represents 0 or an integer of 1 to 6; and p represents an integer of 1 to 3.) The compound has a serotonin antagonism and is clinically useful as medicament, in particular, for treating, ameliorating and preventing spastic paralysis or central muscle relaxants for ameliorating myotonia.
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: September 10, 2002
    Assignee: Eisai Co., Ltd.
    Inventors: Noritaka Kitazawa, Kohshi Ueno, Keiko Takahashi, Teiji Kimura, Atsushi Sasaki, Koki Kawano, Tadashi Okabe, Makoto Komatsu, Manabu Matsunaga, Atsuhiko Kubota
  • Patent number: 6444685
    Abstract: This invention provides compounds of Formula I having the structure wherein R1, R2, R3, R4, W, X, and Y are as defined hereinbefore or a pharmaceutically acceptable salt thereof, which are useful in treating metabolic disorders related to insulin resistance or hyperglycemia.
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: September 3, 2002
    Assignee: Wyeth
    Inventors: Fuk-Wah Sum, Michael Sotirios Malamas
  • Patent number: 6444822
    Abstract: Described herein is the process for the preparation of 3-substituted 4-phenyl-piperidine derivatives of formula (I) in which X is selected from H and F, and R is selected from the group consisting of H, C1-C6 alkyl, C3-C6 alkenyl, and benzyl, comprising three steps starting from the monoamide of malonic acid and cinnamic aldehyde, or derivatives thereof.
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: September 3, 2002
    Assignee: Chemi S.p.A.
    Inventors: Lorenzo De Ferra, Pietro Massardo, Oreste Piccolo, Giorgio Cignarella
  • Patent number: 6440899
    Abstract: Cyclohexenonedioxothiochromanoyl derivatives of the formula I where X is oxygen, sulfur, S═O, S(═O)2, CR4R5, C═O or C═NR6, the other substituents are as defined in the specification, and and agriculturally useful salts thereof; processes for preparing the cyclohexenonedioxotheiochromanoyl derivatives; compositions comprising them, and the use of these derivatives or of compositions comprising them for controling undesirable piants.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: August 27, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Witschel, Klaus Langemann, Wolfgang von Deyn, Ulf Misslitz, Ernst Baumann, Stefan Engel, Guido Mayer, Ulf Neidlein, Oliver Wagner, Roland Götz, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 6436956
    Abstract: Paroxetine hydrochloride anhydrous designated as Form IV having at least one, some or all of the following characteristics: a) Infrared spectra as shown in FIG. 1 and 2, b) A X-ray powder diffraction pattern as shown in Schedule “C”, c) A melting point of between about 80°0 C. to about 95° C.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: August 20, 2002
    Assignee: Brantford Chemicals Inc.
    Inventors: K. S. Keshava Murthy, Allan Rey, Gamini Weeratunga