Phosphorus Attached Directly Or Indirectly To The Hetero Ring By Nonionic Bonding Patents (Class 540/542)
  • Publication number: 20030008849
    Abstract: Compounds of the formula: 1
    Type: Application
    Filed: December 27, 2000
    Publication date: January 9, 2003
    Inventors: Jeremy I. Levin, James M. Chen, Derek C. Cole, Mila T. Du, Leif M. Laakso
  • Patent number: 6503898
    Abstract: This invention relates to substituted cyclic carbonyls and derivatives thereof useful as retroviral protease inhibitors, to pharmaceutical compositions comprising such compounds, and to methods of using these compounds for treating viral infection. A representative compound of the invention is the compound of formula: wherein R22 and R23 are allyl.
    Type: Grant
    Filed: July 10, 1998
    Date of Patent: January 7, 2003
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventors: Patrick Yuk-Sun Lam, Prabhakar Kondaji Jadhav, Charles Joseph Eyermann, Carl Nicholas Hodge, George Vincent De Lucca, James David Rodgers
  • Publication number: 20020198178
    Abstract: Pyrrolidine compounds of Formula I: 1
    Type: Application
    Filed: October 10, 2001
    Publication date: December 26, 2002
    Inventors: Christopher A. Willoughby, Keith Rosauer, Kevin T. Chapman, Sander G. Mills, Dong-Ming Shen, Min Shu
  • Publication number: 20020177706
    Abstract: Novel cyclo azaphospha hydrocarbons according to formula I 1
    Type: Application
    Filed: April 11, 2002
    Publication date: November 28, 2002
    Inventors: Thomas Hoyer, Morten Dahl Sorensen
  • Patent number: 6458783
    Abstract: Inhibition of farnesyl transferase, which is an enzyme involved in ras oncogene expression, is effected by compounds of the formulas their enantiomers, diastereomers, and pharmaceutically acceptable salts, prodrugs and solvates thereof.
    Type: Grant
    Filed: April 21, 2000
    Date of Patent: October 1, 2002
    Assignee: Bristol-Myers Squibb Company
    Inventors: Charles Z. Ding, John T. Hunt, Katerina Leftheris, Rajeev S. Bhide
  • Patent number: 6399598
    Abstract: The invention provides compounds of formula as described in the claims, or an optical isomer, diastereomer or enantiomer thereof, or a pharmaceutically-acceptacle salt, or biohydrolyzable amide, ester, or imide thereof are useful as inhibitors of metalloproteases. Also disclosed are pharmaceutical compositions and methods of treating diseases, disorders and conditions characterized by metalloprotease activity using these compounds or the pharmaceutical compositions containing them.
    Type: Grant
    Filed: March 1, 2000
    Date of Patent: June 4, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Stanislaw Pikul, Neil Gregory Almstead, Rimma Sandler Bradley, Kelly Lynn McDow-Dunham, Biswanath De, Michael George Natchus, Yetunde Olabisi Taiwo, Thomas Lee Cupps
  • Publication number: 20020052364
    Abstract: Compounds of formula I are described, their production and use in pharmaceutical agents.
    Type: Application
    Filed: November 27, 2001
    Publication date: May 2, 2002
    Inventors: Ernese Csuzdi, Tamas Hamori, Gizella Abraham, Sandor Solyom, Istvan Tarnawa, Pal Berzsenyl, Ferenc Andrasi, lstvan Ling, Antal Simay, Melinda Gal, Katalin Horvath, Eszter Szentkuti, Marta Szollosy, Istvan Pallagi
  • Patent number: 6358976
    Abstract: This invention relates to novel fused heterocycles which are useful as antagonists of the &agr;v&bgr;3 and related integrin receptors, to pharmaceutical compositions containing such compounds, processes for preparing such compounds, and to methods of using these compounds, alone or in combination with other therapeutic agents, for the inhibition of cell adhesion, the treatment of angiogenic disorders, inflammation, bone degradation, cancer metastasis, diabetic retinopathy, thrombosis, restenosis, macular degeneration, and other conditions mediated by cell adhesion and/or cell migration and/or angiogenesis.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: March 19, 2002
    Inventors: John Wityak, Aleksandra Ewa Tobin
  • Publication number: 20010056088
    Abstract: Hydroxamic acids having the formula 1
    Type: Application
    Filed: June 14, 2001
    Publication date: December 27, 2001
    Applicant: American Cyanamid Company
    Inventors: Jeremy I. Levin, James M. Chen
  • Patent number: 6172050
    Abstract: Phospholipid derivatives of Formula X: wherein A is the ring system in which R is a linear or branched alkyl radical having 10 to 24 carbon atoms which may contain one or more double or triple bonds; R1 and R2 are independently hydrogen or linear alkyl radicals having 1 to 3 carbon atoms; y is 0, 1, 2 or 3; m and n are independently 0 or in an integer, with the proviso that m+n is between 2 and 8; or A is a tropanio or quinuclidinio ring system, which is linked via a carbon-carbon bond and is optionally substituted by one or more methyl groups; processes for the preparation of the derivatives, and methods for treating tumors therewith.
    Type: Grant
    Filed: August 4, 1997
    Date of Patent: January 9, 2001
    Assignee: Asta Medica Aktiengesellschaft
    Inventors: Gerhard Nössner, Bernhard Kutscher, J{umlaut over (u)}rgen Engel, Wolfgang Schumacher, Jurij Stekar, Peter Hilgard
  • Patent number: 6156746
    Abstract: Inhibition of farnesyl transferase, which is an enzyme involved in ras oncogene expression, is effected by compounds of the formula ##STR1## and their enantiomers, diastereomers, and their pharmaceutically acceptable salts, including prodrugs and solvates thereof.The compounds of formula I are useful in the treatment of a variety of cancers. In addition, the formula I compounds may also be useful in the treatment of diseases other than cancer.
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: December 5, 2000
    Assignee: Bristol-Myers Squibb Company
    Inventors: Katerina Leftheris, John T. Hunt, Charles Z. Ding
  • Patent number: 6130231
    Abstract: This invention relates to novel fused heterocycles which are useful as antagonists of the .alpha..sub.v .beta..sub.3 and related integrin receptors, to pharmaceutical compositions containing such compounds, processes for preparing such compounds, and to methods of using these compounds, alone or in combination with other therapeutic agents, for the inhibition of cell adhesion, the treatment of angiogenic disorders, inflammation, bone degradation, cancer metastasis, diabetic retinopathy, thrombosis, restenosis, macular degeneration, and other conditions mediated by cell adhesion and/or cell migration and/or angiogenesis.
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: October 10, 2000
    Assignee: DuPont Pharmaceuticals
    Inventors: John Wityak, Aleksandra Ewa Tobin
  • Patent number: 6121258
    Abstract: The invention provides compounds of formula ##STR1## as described in the claims, or an optical isomer, diastereomer or enantiomer thereof, or a pharmaceutically-acceptable salt, or biohydrolyzable amide, ester, or imide thereof are useful as inhibitors of metalloproteases.Also disclosed are pharmaceutical compositions and methods of treating diseases, disorders and conditions characterized by metalloprotease activity using these compounds or the pharmaceutical compositions containing them.
    Type: Grant
    Filed: August 26, 1997
    Date of Patent: September 19, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Stanislaw Pikul, Neil Gregory Almstead, Rimma Sandler Bradley, Kelly Lynn McDow-Dunham, Biswanath De, Michael George Natchus, Yetunde Olabisi Taiwo, Thomas Lee Cupps
  • Patent number: 6037334
    Abstract: Compounds of formula I ##STR1## in which R.sub.1, R.sup.2 are the same or different and denote a hydrogen atom, an alkyl group, a cycloalkyl group, a hydroxyalkyl group, an alkenyl group, an alkinyl group or an aralkyl group or R.sup.1 and R.sup.2 together denote an alkylene residue which, together with the bound oxygen atoms and the phosphorus atom carrying the oxygen atoms, forms a saturated 5-membered to 8-membered ring;R.sup.3 denotes an optionally substituted amino group, an alkyl group, a cycloalkyl residue or an optionally substituted aryl residue;n denotes an integer between 1 and 4,as well as hydrates, solvates and physiologically tolerated salts thereof, their optically active forms, processes for their production as well as pharmaceutical preparations having factor Xa-inhibitory properties which contain these compounds.
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: March 14, 2000
    Assignee: Roche Diagnostics GmbH
    Inventors: Ralf Kucznierz, Herbert Leinert, Wolfgang von der Saal, Richard Neidlein, Christiane Kehr
  • Patent number: 5998443
    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: October 8, 1997
    Date of Patent: December 7, 1999
    Assignee: Eli Lilly and Company
    Inventors: Henry U. Bryant, Jeffrey A. Dodge, Jeffrey S. Nissen
  • Patent number: 5990352
    Abstract: A salt useful as an active species in an organic reaction and represented by the following chemical formula (1): ##STR1## wherein n stands for an integer of from 1 to 8, Z.sup.n- represents an n-valent anion of an active hydrogen compound, a, b, c and d each stands for a positive integer, and Rs represent the same or different hydrocarbon groups. In addition, a simple and efficient process is provided for producing a poly(alkylene oxide) by polymerizing an alkylene oxide compound in the presence of the salt represented by the chemical formula (1).
    Type: Grant
    Filed: February 5, 1997
    Date of Patent: November 23, 1999
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Tadahito Nobori, Masahiro Kouno, Toshiaki Suzuki, Kazumi Mizutani, Shinji Kiyono, Yoshiho Sonobe, Usaji Takaki
  • Patent number: 5990307
    Abstract: This invention relates to a process for the preparation of the formula I compound [2-((8,9)-dioxo-2,6-diazabicyclo[5.2.0]-non-1(7)-en-2-yl)ethyl]phosphonic acid, a NMDA antagonist useful as an anticonvulsant and neuroprotectant in situations involving excess release of excitatory amino acids. ##STR1## In the process of the present invention, 3-aminopropyl carbamic acid 1,1-dimethylethyl ester is reacted with a dialkyl vinylphosphonate to obtain N-[3-(t-butyloxycarbonyl-amino)propyl]-2-aminoethylphosphonic acid dialkyl ester (d) in 80% yield. Reaction of (d) with a 3,4-dialkoxycyclobut-3-en-1,2-dione gives [3-[[2-(dialkoxyphosphoryl)ethyl]-(2-alkoxy-3,4-dioxo-1,2-cyclobuten-1-yl) amino]propyl] carbamic acid 1,1-dimethylethyl ester (e) in 96% yield. Deprotection and cyclization of (e) in trifluoroacetic acid gives [2-((8,9)-dioxo-2,6-diazabicyclo[5.2.0]-non-1(7)-en-2-yl)ethyl]phosphonic acid dialkyl ester (c) in 58% yield.
    Type: Grant
    Filed: July 31, 1998
    Date of Patent: November 23, 1999
    Assignee: American Home Products Corporation
    Inventors: Andre A. Asselin, William A. Kinney, Jean Schmid
  • Patent number: 5985856
    Abstract: The present invention is drawn to water soluble derivatives aliphatic acid aromatic secondary and tertiary amine containing drugs. The present invention is further drawn to methods of making water soluble derivatives of aliphatic and aromatic secondary and tertiary amine containing drugs.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: November 16, 1999
    Assignee: University of Kansas
    Inventors: Valentino Stella, Jeffrey P. Krise, Jan J. Zygmunt, Ingrid Gunda Georg
  • Patent number: 5977101
    Abstract: Vitronectin receptor antagonists having the formula: ##STR1## which are useful for the treatment of inflammation, cancer and cardiovascular disorders, such as atherosclerosis and restenosis, and diseases wherein bone resorption is a factor, such as osteoporsis.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: November 2, 1999
    Assignee: SmithKline Beecham Corporation
    Inventors: Fadia El-Fehail Ali, William Bondinell, William Francis Huffman, M. Amparo Lago, Richard McCulloch Keenan, Chet Kwon, William Henry Miller, Thomas Nguyen, Dennis T. Takata
  • Patent number: 5958969
    Abstract: This invention relates to the field of pharmaceutical and organic chemistry and provides benzothiophene compounds, intermediates, formulations, and methods.
    Type: Grant
    Filed: September 3, 1997
    Date of Patent: September 28, 1999
    Assignee: Eli Lilly and Company
    Inventors: Henry Uhlman Bryant, Michael John Martin, Ken Matsumoto
  • Patent number: 5955452
    Abstract: The present invention concerns new lipid derivatives of phosphonocarboxylic acids of the general formula I, ##STR1## in which the meaning of the symbols is elucidated in the description, tautomers thereof and their physiologically tolerated salts of inorganic and organic bases as well as processes for the production thereof and pharmaceutical agents containing these compounds.
    Type: Grant
    Filed: August 26, 1998
    Date of Patent: September 21, 1999
    Assignee: Roche Diagnostics GmbH
    Inventors: Harald Zilch, Dieter Herrmann, Hans-George Opitz, Gerd Zimmermann, Edgar Voss
  • Patent number: 5955461
    Type: Grant
    Filed: December 12, 1997
    Date of Patent: September 21, 1999
    Assignee: Schering Aktiengesellschaft
    Inventors: Andreas Huth, Lechoslaw Turski
  • Patent number: 5914351
    Abstract: Compounds of the formula ##STR1## wherein Q is a hydrazone derivative;R.sup.1 is hydrogen, halogen, alkyl or alkoxy;R.sup.2 is hydrogen, halogen, alkyl, alkoxy, alkenoxy, alkynyloxy, halomethyl, trifluoromethoxy, alkylthio, nitro or cyano; andR.sup.6 is a substituted carboxamide, carbothioamide, phosphonosoamide, or phosphonothioamide,useful as anti-HIV agents.
    Type: Grant
    Filed: December 12, 1997
    Date of Patent: June 22, 1999
    Assignees: Uniroyal Chemical Company, Inc., Uniroyal Chemical Co./CIE.
    Inventors: Walter Gerhard Brouwer, Ewa Maria Osika
  • Patent number: 5889001
    Abstract: Tricyclic diazepines of the formula: ##STR1## wherein A, B, D, E, F, Y and Z are defined in the specification which compounds have vasopressin and oxytocin antagonist activity.
    Type: Grant
    Filed: June 13, 1997
    Date of Patent: March 30, 1999
    Assignee: American Cyanamid Company
    Inventors: Jay Donald Albright, Marvin Fred Reich, Fuk-Wah Sum, Efren Guillermo Delos Santos
  • Patent number: 5854237
    Abstract: Tricyclic diazepines of the formula: ##STR1## wherein A, B, D, E, F, Y and Z are defined in the specification which compounds have vasopressin and oxytocin antagonist activity.
    Type: Grant
    Filed: June 17, 1997
    Date of Patent: December 29, 1998
    Assignee: American Cyanamid Company
    Inventors: Jay Donald Albright, Marvin Fred Reich, Fuk-Wah Sum, Efren Guillermo Delos Santos
  • Patent number: 5849735
    Abstract: Tricyclic compound of the general Formula I: ##STR1## as defined herein which exhibit antagonist activity at V.sub.1 and/or V.sub.2 receptors and exhibit in vivo vasopressin antagonist activity, methods for using such compounds in treating diseases characterized by excess renal reabsorption of water, and process for preparing such compounds.
    Type: Grant
    Filed: December 22, 1995
    Date of Patent: December 15, 1998
    Assignee: American Cyanamid Company
    Inventors: Jay D. Albright, Aranapakam M. Venkatesan, Efren G. Delos Santos
  • Patent number: 5817602
    Abstract: Thiadiazabicyclodecanes of formula (I) wherein, Z is oxygen or sulfur; R is an optional substituent and W is an optionally condensed or substituted phenyl radical and the salts, complexes and stereisomers thereof, have good selective pre- and post-emergence herbicidal properties.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: October 6, 1998
    Assignee: Novartis Corporation
    Inventors: Georg Pissiotas, Hans Moser, Hans-Georg Brunner
  • Patent number: 5786353
    Abstract: Tricyclic compounds of the general Formula I: ##STR1## as defined herein which exhibit antagonist activity at V.sub.1 and/or V.sub.2 receptors and exhibit in vivo vasopressin antagonist activity, methods for using such compounds in treating diseases characterized by excess renal reabsorption of water, and processes for preparing such compounds.
    Type: Grant
    Filed: July 11, 1997
    Date of Patent: July 28, 1998
    Assignee: American Cyanamid Company
    Inventors: Jay Donald Albright, Marvin Fred Reich, Fuk-Wah Sum, Xuemei Du
  • Patent number: 5747487
    Abstract: Tricyclic compounds of the general Formula I: ##STR1## as defined herein which exhibit antagonist activity at V.sub.1 and/or V.sub.2 receptors and exhibit in viva vasopressin antagonist activity, methods for using such compounds in treating diseases characterized by excess renal reabsorption of water, and processes for preparing such compounds.
    Type: Grant
    Filed: April 25, 1996
    Date of Patent: May 5, 1998
    Assignee: American Cyanamid Company
    Inventors: Jay Donald Albright, Marvin Fred Reich
  • Patent number: 5739128
    Abstract: Tricyclic compounds of the general Formula I: ##STR1## as defined herein which exhibit antagonist activity at V.sub.1 and/or V.sub.2 receptors and exhibit in vivo vasopressin antagonist activity, methods for using such compounds in treating diseases characterized by excess renal reabsorption of water, and processes for preparing such compounds.
    Type: Grant
    Filed: April 24, 1996
    Date of Patent: April 14, 1998
    Assignee: American Cyanamid Company
    Inventors: Jay Donald Albright, Marvin Fred Reich, Fuk-Wah Sum, Xuemei Du
  • Patent number: 5736538
    Abstract: Tricyclic compounds of the general Formula I: ##STR1## as defined herein which exhibit antagonist activity at V.sub.1 and/or V.sub.2 receptors and exhibit in vivo vasopressin antagonist activity, methods for using such compounds in treating diseases characterized by excess renal reabsorption of water, and processes for preparing such compounds.
    Type: Grant
    Filed: April 25, 1996
    Date of Patent: April 7, 1998
    Assignee: American Cyanamid Company
    Inventors: Jay Donald Albright, Xuemei Du
  • Patent number: 5736540
    Abstract: Tricyclic diazepines of the formula: ##STR1## wherein A, B, D, E, F, Y and Z are defined in the specification which compounds have vasopressin and oxytocin antagonist activity.
    Type: Grant
    Filed: May 8, 1996
    Date of Patent: April 7, 1998
    Assignee: American Cyanamid Company
    Inventors: Jay Donald Albright, Marvin Fred Reich, Fuk-Wah Sum, Efren Guillermo Delos Santos
  • Patent number: 5733905
    Abstract: Tricyclic diazepines of the formula: ##STR1## wherein A, B, D, E, F, Y and Z are defined in the specification which compounds have vasopressin and oxytocin antagonist activity.
    Type: Grant
    Filed: May 8, 1996
    Date of Patent: March 31, 1998
    Assignee: American Cyanamid Company
    Inventors: Jay Donald Albright, Marvin Fred Reich, Fuk-Wah Sum, Efren Guillermo Delos Santos
  • Patent number: 5731299
    Abstract: The present invention relates to phosphonsulfonates and the pharmaceutically-acceptable salts and esters thereof, having the following structure according to formula (I): ##STR1## The present invention further relates to pharmaceutical compositions containing a safe and effective amount of a compound of the present invention, and pharmaceutically-acceptable excipients. Finally, the present invention relates to methods for treating or preventing pathological conditions characterized by abnormal calcium and phosphate metabolism in humans or other mammals, including treating or preventing osteoporosis and arthritis, especially rheumatoid arthritis and osteoarthritis. This method comprises administering to a human or other mammal in need of such treatment of a safe and effective amount of a compound or composition of the present invention.
    Type: Grant
    Filed: May 7, 1993
    Date of Patent: March 24, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Frank Hallock Ebetino, Allan Vincent Bayless, Susan Mary Dansereau
  • Patent number: 5719278
    Abstract: Tricyclic compound of the general Formula I: ##STR1## as defined herein which exhibit antagonist activity at V.sub.1 and/or V.sub.2 receptors and exhibit in vivo vasopressin antagonist activity, methods for using such compounds in treating diseases characterized by excess renal reabsorption of water, and process for preparing such compounds.
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: February 17, 1998
    Assignee: American Cyanamid Company
    Inventors: Jay D. Albright, Efren G. Delos Santos, Xuemei Du, Marvin F. Reich
  • Patent number: 5712396
    Abstract: .alpha.-Phosphonosulfonate compounds are provided which inhibit the enzyme squalene synthetase and thereby inhibit cholesterol biosynthesis. These compounds have the formula ##STR1## wherein R.sup.2 is OR.sup.5 or R.sup.5a ; R.sup.3 and R.sup.5 are independently H, alkyl, arylalkyl, aryl or cycloalkyl; R.sup.5a is H, alkyl, arylalkyl or aryl; R4 is H, alkyl, aryl, arylalkyl, or cycloalkyl;, Z is H, halogen, lower alkyl or lower alkenyl; and R.sup.1 is a lipophilic group which contains at least 7 carbons and is alkyl, alkenyl, alkynyl, mixed alkenyl-alkynyl, aryl, arylalkyl, cycloalkyl, cycloalkylalkyl, heteroaryl, heteroarylalkyl, cycloheteroalkyl, cycloheteroalkylalkyl; as further defined above; including pharmaceutically acceptable salts and or prodrug esters of the phosphonic (phosphinic) and/or sulfonic acids.
    Type: Grant
    Filed: July 5, 1994
    Date of Patent: January 27, 1998
    Inventors: David R. Magnin, Scott A. Biller, John K. Dickson, Jr., R. Michael Lawrence, Richard B. Sulsky
  • Patent number: 5698541
    Abstract: The invention concerns compounds of the general formula I ##STR1## in which R denotes a lower alkyl which can be substituted if desired by hydroxy, alkoxy, amino, dialkylamino, alkylmercapto, alkylsulfinyl, alkanesulfonyl, cycloalkyl, aryl or a heterocyclic ring, or it denotes lower alkenyl, cycloalkyl, cycloalkenyl, aryl or a heterocyclic ring andR.sub.1 and R.sub.2 can be, independently of one another, hydrogen, lower alkyl, cycloalkyl, aryl or arylmethyl,their optically active salts as well as their pharmacologically acceptable salts, processes for their production as well as pharmaceutical agents which contain these compounds for treating diseases of calcium metabolism. Moreover the invention concerns compounds of formula II as intermediate products for the production of compounds of formula I.
    Type: Grant
    Filed: September 25, 1996
    Date of Patent: December 16, 1997
    Assignee: Boehringer Mannheim GmbH
    Inventors: Gerd Zimmermann, Angelika Esswein, Christos Tsaklakidis, Frieder Bauss
  • Patent number: 5686445
    Abstract: Tricyclic compounds of the general Formula I: ##STR1## as defined herein which exhibit antagonist activity at V.sub.1 and/or V.sub.2 receptors and exhibit in vivo vasopressin antagonist activity, methods for using such compounds in treating diseases characterized by excess renal reabsorption of water, and processes for preparing such compounds.
    Type: Grant
    Filed: April 25, 1996
    Date of Patent: November 11, 1997
    Assignee: American Cyanamid Company
    Inventors: Jay Donald Albright, Xuemei Du
  • Patent number: 5686466
    Abstract: A novel compound of the formula: ##STR1## wherein Ar represents an optionally substituted tricyclic condensed benzene ring group which includes at least one heterocyclic ring as a component ring; n represents an integer from 2 to 10; R.sup.1 represents H or an optionally substituted hydrocarbon group, which may be different from one another in the repetition of n; and Y represents an optionally substituted 4-piperidinyl, 1-piperazinyl or 4-benzyl-1-piperidinyl group, or a salt thereof, inhibiting excellent cholinesterase inhibitory activity and monoamine reuptake inhibitory activity, thus being useful as therapeutic and/or prophylactic medicaments of senile dementia.
    Type: Grant
    Filed: March 20, 1996
    Date of Patent: November 11, 1997
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Giichi Goto, Yuji Ishihara, Keisuke Hirai
  • Patent number: 5659035
    Abstract: A method for the production of azacycloalkane-2,2-diphosphonic acids of general formula; ##STR1## where n is a whole number of from 2 to 16, Y is H, an alkyl or alkenyl, a substituted alkyl, or an aryl, such that the group "Y" remains unchanged during the reaction,by reaction of a lactam with a phosphorus trihalide in the presence of phosphorous acid and/or water, in which the reaction mixture also includes an organic amine and/or or an organic amine salt, said reaction being followed by hydrolysis of the reaction mixture and purification of the reaction product to obtain the diphosphonic acid.The method is exemplified by the preparation of azacycloheptane-2,2-diphosphonic acid, and azacyclononane-2,2-diphosphonic acid.
    Type: Grant
    Filed: December 8, 1994
    Date of Patent: August 19, 1997
    Assignee: Albright & Wilson Limited
    Inventors: Michael Bamber, Gary Woodward
  • Patent number: 5633237
    Abstract: A class of imidazo[1,2-a]pyridinylalkyl phosphonic acid compounds is described for treatment to reduce neurotoxic injury associated with anoxia or ischemia which typically follows stroke, cardiac arrest or perinatal asphyxia. The treatment includes administration of a compound of this class alone or in a composition in an amount effective as an antagonist to inhibit excitotoxic actions at major neuronal excitatory amino acid receptor sites. Compounds of most interest are those of the formula: ##STR1## and the carboxylic and phosphonic alkyl esters and salts thereof; wherein R.sup.9 is selected from hydrido, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl and cycloheptyl; wherein each of Y.sub.m and Y.sub.
    Type: Grant
    Filed: July 6, 1994
    Date of Patent: May 27, 1997
    Assignee: G.D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Gilbert W. Adelstein, Karen B. Peterson, Sofya Tsymbalov
  • Patent number: 5631372
    Abstract: A process for producing 1-substituted-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane salts having the formula ##STR1## wherein the Z substituent is OH, OR, OC(O)R, SO.sub.3, SO.sub.2 R, NO.sub.2, NO, or PO(OR).sub.2, wherein R is an aryl or C.sub.1 -C.sub.8 alkyl group; n is 0, 1 or 2; each of R.sub.1, R.sub.2, R.sub.3, P.sub.4 and R.sub.5 independently represent hydrogen, C.sub.1 to C.sub.8 alkyl, or aryl 1-substituted-1,4-diazoniabicyclo[2.2.2]octane or 1,4-diazoniabicyclo[2.2.2]octane mono-N-oxide is reacted to attach the Z group and then the result is reacted with molecular fluorine in the presence of a solvent that substantially does not react with fluorine and a fluoride scavenger that results in an X counter ion. These compounds are useful as fluorinating agents for the introduction of fluorine into organic compounds.
    Type: Grant
    Filed: May 6, 1996
    Date of Patent: May 20, 1997
    Assignee: AlliedSignal Inc.
    Inventors: Andrew J. Poss, George A. Shia, Dennis M. Lavery
  • Patent number: 5624918
    Abstract: The present invention provides a phosphonic diester derivative of the following general formula (1): ##STR1## wherein A represents an oxygen atom or a sulfur atom; R.sup.1, R.sup.2, R.sup.9 and R.sup.10 are the same or different and they each represent a hydrogen atom, a lower alkoxy group, a nitro group, a lower alkyl group, a halogen-substituted lower alkyl group or a halogen atom; R.sup.3 represents a phenyl group, --B--R.sup.6 (wherein B represents an oxygen atom or a sulfur atom and R.sup.6 represents a hydrogen atom, a lower alkyl group, a cycloalkyl group, a phenyl group, a phenyl(lower)alkyl group optionally having a halogen atom as a substituent on the phenyl ring, a phenoxy(lower)alkyl group, a lower alkoxycarbonyl(lower)alkyl group, a carboxy(lower)alkyl group or a lower alkenyl group) or --NR.sup.7 R.sup.8 (wherein R.sup.7 and R.sup.
    Type: Grant
    Filed: February 5, 1995
    Date of Patent: April 29, 1997
    Assignee: Otsuka Pharmaceutical Factory, Inc.
    Inventors: Yasuhisa Kurogi, Kazuyoshi Miyata, Shizuo Nakamura, Mitsuyoshi Kondo, Takeshi Iwamoto, Chieko Naba, Yoshihiko Tsuda, Yasuhide Inoue, Jun Kanaya, Keigo Sato
  • Patent number: 5610294
    Abstract: This invention relates to substituted cyclic carbonyls and derivatives thereof useful as retroviral protease inhibitors, to pharmaceutical compositions comprising such compounds, and to methods of using these compounds for treating viral infection. A representative compound of the invention is the compound of formula: ##STR1## wherein R.sup.22 and R.sup.23 are allyl.
    Type: Grant
    Filed: February 16, 1994
    Date of Patent: March 11, 1997
    Assignee: The Du Pont Merck Pharmaceutical Company
    Inventors: Patrick Y. Lam, Prabhakar K. Jadhav, Charles J. Eyermann, Carl N. Hodge, George V. De Lucca, James D. Rodgers
  • Patent number: 5602113
    Abstract: Disclosed are novel pyrido[2,3,-b][1,5]benzodiazepines. These compounds are useful in the treatment of AIDS, ARC and related disorders associated with HIV infection.
    Type: Grant
    Filed: December 29, 1994
    Date of Patent: February 11, 1997
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Karl D. Hargrave, Ernest Cullen, John R. Proudfoot, Karl G. Grozinger, Kollol Pal, Julian Adams
  • Patent number: 5597824
    Abstract: A compound of the formula: ##STR1## wherein B is a purin-9-yl group or a heterocyclic isostere of a purin-9-yl group; or a pyrimidin-1-yl group or a heterocyclic isostere of a pyrimidin-1-yl group; A is --CH-- or A--G taken together is --C(.dbd.O)--, --C(.dbd.CH.sub.2)--, --C(OH)(CH.sub.2 OH)-- or ##STR2## and G and D are functional groups; or a pharmaceutically acceptable salt or ester thereof.
    Type: Grant
    Filed: June 25, 1992
    Date of Patent: January 28, 1997
    Assignee: Abbott Laboratories
    Inventors: Daniel W. Norbeck, Jacob J. Plattner, Terry J. Rosen
  • Patent number: 5593979
    Abstract: Disclosed are novel pyrido[2,3-b][1,4]benzodiazepines. These compounds are useful in the treatment of AIDS, ARC and related disorders associated with HIV infection.
    Type: Grant
    Filed: December 29, 1994
    Date of Patent: January 14, 1997
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Karl D. Hargrave, Ernest Cullen, John R. Proudfoot, Karl G. Grozinger, Kollol Pal, Julian Adams
  • Patent number: 5580979
    Abstract: The present invention makes available novel compounds represented by the general formula ##STR1## wherein Y represents a phosphate analog. Which compounds are useful for inhibiting an interaction between a protein containing an SH2 domain and a phophotyrosine-containing polypeptide.
    Type: Grant
    Filed: March 15, 1994
    Date of Patent: December 3, 1996
    Assignee: Trustees of Tufts University
    Inventor: William W. Bachovchin
  • Patent number: 5550117
    Abstract: Disclosed are novel dipyrido[3,2-b:2',3'-e][1,4]diazepines and their use in the treatment of HIV-1 infection.
    Type: Grant
    Filed: December 29, 1994
    Date of Patent: August 27, 1996
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Karl D. Hargrave, Ernest Cullen, John R. Proudfoot, Karl G. Grozinger, Kollol Pal, Julian Adams
  • Patent number: RE37781
    Abstract: This invention relates to substituted cyclic carbonyls and derivatives thereof useful as retroviral protease inhibitors, to pharmaceutical compositions comprising such compounds, and to methods of using these compounds for treating viral infection. A representative compound of the invention is the compound of formula: wherein R22 and R23 are allyl.
    Type: Grant
    Filed: March 10, 1999
    Date of Patent: July 2, 2002
    Assignee: DuPont Pharmaceuticals Company
    Inventors: Patrick Y. Lam, Prabhakar K. Jadhav, Charles J. Eyermann, Carl N. Hodge, George V. De Lucca, James D. Rodgers