Nitrogen Attached Directly To The Phosphorus By Nonionic Bonding Patents (Class 562/10)
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Patent number: 8871693Abstract: A gelling agent for a hydrocarbon fracturing fluid is disclosed, comprising the general formula of: in which X is an OR1, NR1R2, or SR1 group, R1 is an organic group having 2-24 carbon atoms, and R2 is an organic group or a hydrogen. Y is an NR3R4 or SR3 group, R3 is an organic group having 2-24 carbon atoms, and R4 is an organic group or a hydrogen. A method of making a gelling agent for a hydrocarbon fracturing fluid is also disclosed. Phosphorus oxyhalide is reacted with a chemical reagent to produce substantially only diester phosphorus oxyhalide, the chemical reagent comprising at least one of an organic alcohol having 2-24 carbon atoms, an organic amine with an organic group having 2-24 carbon atoms, and an organic sulfide having 2-24 carbon atoms. The diester phosphorus oxyhalide is then hydrolyzed to produce diester phosphoric acid.Type: GrantFiled: August 26, 2009Date of Patent: October 28, 2014Assignee: GasFrac Energy Services Inc.Inventors: Shaun T. Mesher, Chris Collett
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Patent number: 8795659Abstract: The present disclosure relates to salts and compositions of isophosphoramide mustard and isophosphoramide mustard analogs. In one embodiment the salts can be represented by the formula I: (I) wherein A+ represents an ammonium species selected from the protonated (conjugate acid) or quaternary forms of aliphatic amines and aromatic amines, including basic amino acids, heterocyclic amines, substituted and unsubstituted pyridines, guanidines and amidines; and X and Y independently represent leaving groups. Also disclosed herein are methods for making such compounds and formulating pharmaceutical compositions thereof. Methods for administering the disclosed compounds to subjects, particularly to treat hyperproliferative disorders, also are disclosed.Type: GrantFiled: July 3, 2012Date of Patent: August 5, 2014Assignee: Dekk-Tec, Inc.Inventor: Lee R. Morgan
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Publication number: 20130149296Abstract: The present disclosure relates to salts and compositions of isophosphoramide mustard and isophosphoramide mustard analogs. In one embodiment the salts can be represented by the formula I: (I) wherein A+ represents an ammonium species selected from the protonated (conjugate acid) or quaternary forms of aliphatic amines and aromatic amines, including basic amino acids, heterocyclic amines, substituted and unsubstituted pyridines, guanidines and amidines; and X and Y independently represent leaving groups. Also disclosed herein are methods for making such compounds and formulating pharmaceutical compositions thereof. Methods for administering the disclosed compounds to subjects, particularly to treat hyperproliferative disorders, also are disclosed.Type: ApplicationFiled: July 3, 2012Publication date: June 13, 2013Inventor: Lee R. MORGAN
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Patent number: 8394948Abstract: Novel CE-phosphoramidites and CPG reagents have been synthesized from a serinol backbone. These reagents are useful to introduce functional groups or directly label oligonucleotides. The versatile serinol scaffold allows for labeling at any position (5? or 3? termini, or any internal position) during automated DNA synthesis. Multiple labels or functional groups can be achieved by repetitive coupling cycles. Optimal spacer arms and protected label moieties have been specially designed. Further, the natural 3-carbon atom internucleotide phosphate distance is retained when inserted internally.Type: GrantFiled: September 28, 2010Date of Patent: March 12, 2013Assignees: Glen Research Corporation, Nelson Biotechnologies, Inc.Inventors: Paul S. Nelson, Hugh Mackie, Andrew Murphy
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Patent number: 8283453Abstract: The present invention provides a method for selectively placing carbon nanotubes on a substrate surface by using functionalized carbon nanotubes having an organic compound that is covalently bonded to such carbon nanotubes. The organic compound comprises at least two functional groups, the first of which is capable of forming covalent bonds with carbon nanotubes, and the second of which is capable of selectively bonding metal oxides. Such functionalized carbon nanotubes are contacted with a substrate surface that has at least one portion containing a metal oxide. The second functional group of the organic compound selectively bonds to the metal oxide, so as to selectively place the functionalized carbon nanotubes on the at least one portion of the substrate surface that comprises the metal oxide.Type: GrantFiled: August 14, 2009Date of Patent: October 9, 2012Assignee: International Business Machines CorporationInventors: Ali Afzali-Ardakani, Phaedon Avouris, James B. Hannon, Christian Klinke
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Patent number: 8221712Abstract: An absorption medium for the removal of acid gases from a fluid stream comprises an aqueous solution a) of at least one amine and b) at least one phosphonic acid, wherein the molar ratio of b) to a) is in the range from 0.0005 to 1.0. The phosphonic acid is, e.g., 1-hydroxyethane-1,1-diphosphonic acid. The absorption medium exhibits a reduced regeneration energy requirement compared with absorption media based on amines or amine/promoter combinations, without significantly decreasing the absorption capacity of the solution for acid gases.Type: GrantFiled: October 9, 2009Date of Patent: July 17, 2012Assignee: BASF SEInventors: Gerald Vorberg, Torsten Katz, Georg Sieder, Christian Riemann, Erika Dengler
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Publication number: 20120136171Abstract: A method for the manufacture of aminoalkylene phosphonic acids broadly is disclosed. In the essence, an amine corresponding to a specific formula is reacted in aqueous medium with phosphorous acid and formaldehyde to thereby yield a medium insoluble reaction product. The insoluble product formed i.e. the aminoalkylene phosphonic acid can be separated, optionally washed, and recovered. This process yields high purity and selectivity reaction products. The excess phosphonic acid can be recycled into the processing sequence.Type: ApplicationFiled: May 28, 2010Publication date: May 31, 2012Applicant: STRAITMARK HOLDING AGInventors: Patrick Notté, Cedric Nicolas Pirard, David Lemin
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Publication number: 20110143971Abstract: A gelling agent for a hydrocarbon fracturing fluid is disclosed, comprising the general formula of: in which X is an OR1, NR1R2, or SR1 group, R1 is an organic group having 2-24 carbon atoms, and R2 is an organic group or a hydrogen. Y is an NR3R4 or SR3 group, R3 is an organic group having 2-24 carbon atoms, and R4 is an organic group or a hydrogen. A method of making a gelling agent for a hydrocarbon fracturing fluid is also disclosed. Phosphorus oxyhalide is reacted with a chemical reagent to produce substantially only diester phosphorus oxyhalide, the chemical reagent comprising at least one of an organic alcohol having 2-24 carbon atoms, an organic amine with an organic group having 2-24 carbon atoms, and an organic sulfide having 2-24 carbon atoms. The diester phosphorus oxyhalide is then hydrolyzed to produce diester phosphoric acid.Type: ApplicationFiled: August 26, 2009Publication date: June 16, 2011Applicant: GASFRAC ENERGY SERVICES INC.Inventors: Shaun T. Mesher, Chris Collett
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Publication number: 20100190753Abstract: Methods, compounds, pharmaceutical compositions and kits are described for treating or preventing amyloid-+related disease.Type: ApplicationFiled: August 27, 2009Publication date: July 29, 2010Applicant: BELLUS Health (International) LimitedInventors: Xianqi KONG, Walter A. Szarek, Francine Gervais
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Publication number: 20100145034Abstract: The present invention provides a method for selectively placing carbon nanotubes on a substrate surface by using functionalized carbon nanotubes having an organic compound that is covalently bonded to such carbon nanotubes. The organic compound comprises at least two functional groups, the first of which is capable of forming covalent bonds with carbon nanotubes, and the second of which is capable of selectively bonding metal oxides. Such functionalized carbon nanotubes are contacted with a substrate surface that has at least one portion containing a metal oxide. The second functional group of the organic compound selectively bonds to the metal oxide, so as to selectively place the functionalized carbon nanotubes on the at least one portion of the substrate surface that comprises the metal oxide.Type: ApplicationFiled: August 14, 2009Publication date: June 10, 2010Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Alina Afzali-Ardakani, Phaedon Avouris, James B. Hannon, Christian Klinke
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Patent number: 7667070Abstract: The present invention has for an object a cationic lipophilic compound of the following general formula (I): wherein: a) R1 and R?1 each represent, independently from one another, an alkyl chain, an alkenyl chain or a polyalkenyl chain with from 10 to 24 carbon atoms, with the polyalkenyl chain having from 2 to 4 double links; b) R2 is a hydrogen atom or an alkyl chain having from 1 to 4 carbon atoms; and R3 is a group with the following formula (IIa) —(CH2)n— or following formula (IIb) —C(?NH)—NH—(CH2)n— wherein: n is an integer equal to 0, 1, 2, 3 or 4; and d) A+ is an organic cation; e) X? is an anion.Type: GrantFiled: November 7, 2003Date of Patent: February 23, 2010Assignees: Centre National de la Recherche Scientifique (CNRS), Institut National de la Sante de de la Recherche Medicale (INSERM), Universite de Bretagne Occidentale, Centre Hospitalier Universitaire de BrestInventors: Hervé Des Abbayes, Jean-Jacques Yaouanc, Jean-Claude Clement, Karine Le Ny, Claude Ferec, Tristan Montier, Pascal Delepine
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Patent number: 7319163Abstract: This invention relates to novel compounds which are thyroid receptor ligands, preferably antagonists, and to methods for using such compounds in the treatment of cardiac arrhythmias, thyrotoxicosis and subclinical hyperthyrodism.Type: GrantFiled: June 24, 2005Date of Patent: January 15, 2008Assignee: Karo Bio ABInventors: Johan Malm, Chris Litten, Theresa Apelqvist, Asa Hedfors, Peter Brandt, Karin Edvinsson, Sandra Gordon
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Patent number: 7094928Abstract: This invention relates to an improved process for synthesizing (±)-2-Amino-N-[2-(2,5-dimethoxyphenyl]-2-hydroxyethyl acetamide monohydrochloride in good yield and in a cost effective manner from 1-(2,5-dimethoxyphenyl)-2-bromoethanone by reacting the same with hexamine in the presence of novel solvent system comprising Tetrahydrofuran and water. The resulting aminoethanone is acylated with haloacetylchloride and sodium acetate in acetone-water solvent system. This product is reduced selectively first with sodium borohydride and subsequently with stannous chloride. This product is converted in situ to the corresponding hydrochloride salt immediately after reduction on its own.Type: GrantFiled: August 21, 2002Date of Patent: August 22, 2006Assignee: Sanmar Specialty Chemicals Ltd.Inventors: Rajaram Sankara Subramanian, Venkatanathan Satagopan, Rajagopalan Srinivasan
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Patent number: 6737416Abstract: A compound represented by the following general formula (I) and a pharmacologically acceptable salt thereof: wherein R1 represents hydrogen atom, an alkyl group, a substituted alkyl group and the like; R2 and R3 represent hydrogen atom, an alkyl group, a substituted alkyl group, an alkoxyl group and the like; X represents —CH2—, —O—, or —NH—; A represents the following group (II): [in which R7 and R8 represent hydrogen atom, an alkyl group, an acyl group, an alkoxycarbonyl group and the like; R9 and R10 represents hydrogen atom, a halogen atom, hydroxyl group, phenyl group, an alkyl group and the like] and the like; and E represents hydrogen atom and the like, which has inhibitory activity against carboxypeptidase B and is useful for therapeutic and/or preventive treatment of a thrombotic disease.Type: GrantFiled: October 7, 2002Date of Patent: May 18, 2004Assignee: Meiji Seika Kaisha Ltd.Inventors: Kenichi Fushihara, Chika Kikuchi, Tetsuya Matsushima, Kenichi Kanemoto, Eriko Satoh, Takehiro Yamamoto, Kokichi Suzuki
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Publication number: 20040043969Abstract: A diverse set of tubulin binding agents have been discovered which are structurally characterized, in a general sense, by a semi-rigid molecular framework capable of maintaining aryl-aryl, pseudo pi stacking distances appropriate for molecular recognition of tubulin. In phenolic or amino form, these ligands may be further functionalized to prepare phosphate esters, phosphate salts, phosphoramidates, and other prodrugs capable of demonstrating selective targeting and destruction of tumor cell vasculature.Type: ApplicationFiled: April 1, 2003Publication date: March 4, 2004Inventors: Kevin G. Pinney, Vani P. Mocharla, Zhi Chen, Charles M. Garner, Anjan Ghatak, Mallinath Hadimani, Jimmy Kessler, James M. Dorsey, Klaus Edvardsen, David J. Chaplin, Joseph Prezioso, Usha R. Ghatak
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Publication number: 20030083505Abstract: New benzenedicarboxylic acid derivative compounds; pharmaceutical compositions, diagnostic methods, and diagnostic kits that include those compounds; and methods of using those compounds for inhibiting NAALADase enzyme activity, detecting diseases where NAALADase levels are altered, effecting neuronal activity, effecting TGF-&bgr; activity, inhibiting angiogenesis, and treating glutamate abnormalities, neuropathy, pain, compulsive disorders, prostate diseases, cancers, and glaucoma.Type: ApplicationFiled: June 21, 2002Publication date: May 1, 2003Inventors: Paul F. Jackson, Takashi Tsukamoto, Barbara S. Slusher, Eric Wang
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Patent number: 6528499Abstract: The present invention relates to novel compounds and formulations thereof which compounds are ligands, e.g., agonists or antagonists, for a metabotropic glutamate receptor or a NAALADase enzyme or both. The present invention also relates to methods of modulating the activity of a metabotropic glutamate receptor or a NAALADase enzyme or both, e.g., in a subject in need thereof, using a compound or formulation of the present invention. The present invention also relates to methods of treating a subject suffering from a chronic or acute disease, malady or condition due at least in part to an abnormality in the activity of an endogenous metabotropic glutamate receptor or a NAALADase enzyme or both, using a compound or formulation of the present invention.Type: GrantFiled: September 15, 2000Date of Patent: March 4, 2003Assignee: Georgetown UniversityInventors: Alan P. Kozikowski, Jarda T. Wroblewski, Fajun Nan
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Patent number: 6479470Abstract: The present invention relates to novel compounds and formulations thereof which compounds are ligands, e.g., agonists or antagonists, for a metabotropic glutamate receptor or a NAALADase enzyme or both. The present invention also relates to methods of modulating the activity of a metabotropic glutamate receptor or a NAALADase enzyme or both, e.g., in a subject in need thereof, using a compound or formulation of the present invention. The present invention also relates to methods of treating a subject suffering from a chronic or acute disease, malady or condition due at least in part to an abnormality in the activity of an endogenous metabotropic glutamate receptor or a NAALADase enzyme or both, using a compound or formulation of the present invention.Type: GrantFiled: April 27, 2000Date of Patent: November 12, 2002Assignee: Georgetown UniversityInventors: Alan P. Kozikowski, Jarda T. Wroblewski, Fajun Nan
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Publication number: 20020133036Abstract: The compounds of formula (I) are hydrophilic aryl phosphate, thiophosphate, and aminophosphate intestinal apical membrane Na-mediated phosphate co-transportation inhibitors. The compounds can be administered orally, where they act to inhibit Na-dependent phosphate uptake in the intestines, or internally, where they interact with the phosphate control functions of the kidneys and parathyroid. They are therefore useful for inhibiting sodium-mediated phosphate uptake, reducing serum PTH, calcium, calcitriol, and phosphate, and treating renal disease in an animal, including a human.Type: ApplicationFiled: January 7, 2002Publication date: September 19, 2002Inventor: Brian E. Peerce
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Patent number: 6300325Abstract: This invention relates to novel benzo-2-triazole substituted compounds, pharmaceutical compositions, processes for their preparation, and use thereof in treating IL-8, GRO&agr;, GRO&bgr;, GRO&ggr; and NAP-2 mediated diseases.Type: GrantFiled: July 9, 1999Date of Patent: October 9, 2001Assignee: SmithKline Beecham CorporationInventors: Katherine L. Widdowson, Melvin C. Rutledge
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Patent number: 6288046Abstract: The present invention relates to phosphonic acid derivatives that inhibit N-Acetylated &agr;-Linked Acidic Dipeptidase (NAALADase) enzyme activity, pharmaceutical compositions comprising such derivatives, and methods of using such derivatives to inhibit NAALADase activity, to treat a glutamate abnormality and to treat a prostate disease in an animal.Type: GrantFiled: April 26, 1999Date of Patent: September 11, 2001Assignee: Guilford Pharmaceuticals Inc.Inventors: Paul F. Jackson, Keith M. Maclin, Kevin L. Tays, Barbara S. Slusher
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Patent number: 6218563Abstract: The present invention provides a process for preparing a cyanophosphonamide comprising contacting phosphoric anhydride and a cyanide, preferably in the presence of a Lewis base, to produce a cyanophosphonate intermediate, and subsequently contacting the cyanophosphonate intermediate with an amino compound.Type: GrantFiled: November 29, 1999Date of Patent: April 17, 2001Assignee: Monsanto CompanyInventors: Patrick J. Lennon, Serge G. Vulfson
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Patent number: 6071965Abstract: The present invention relate to phosphinic alkanoic acid derivatives that inhibit N-Acetylated .alpha.-Linked Acidic Dipeptidase (NAALADase) enzyme activity, pharmaceutical compositions comprising the same, and methods of using the same to inhibit NAALADase activity and to treat glutamate abnormalities and prostate diseases.Type: GrantFiled: December 31, 1997Date of Patent: June 6, 2000Assignee: Guilford Pharmaceuticals Inc.Inventors: Paul F. Jackson, Weixing Li, Keith M. Maclin, Kevin L. Tays, Takashi Tsukamoto, Barbara S. Slusher
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Patent number: 6031091Abstract: A versatile reagent with a non-nucleotide monomeric unit having a ligand, and first and second coupling groups which are linked to the non-nucleotide monomeric unit. The ligand can be either a chemical moiety, such as a label or intercalator, or a linking arm which can be linked to such a moiety. Such reagent permits preparation of versatile nucleotide/non-nucleotide polymers, having any desired sequence of nucleotide and non-nucleotide monomeric units, each of the latter of which bear a desired ligand. These polymers can for example, be used as probes which can exhibit enhanced sensitivity and/or which are capable of detecting a genus of nucleotides each species of which has a common target nucleotide sequence of interest bridged by different sequences not of interest.Type: GrantFiled: August 7, 1997Date of Patent: February 29, 2000Assignee: Gen-Probe IncorporatedInventors: Lyle J. Arnold, Jr., Mark A. Reynolds, Ram S. Bhatt
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Patent number: 5935947Abstract: There are described compounds of the formula I ##STR1## in which R.sup.1 is (C.sub.1 -C.sub.10)-alkyl, (C.sub.1 -C.sub.8)-alkanoyl, (C.sub.6 -C.sub.10)-aryl or Het, each of which can be substituted by halogen, --OH, --NH.sub.2, --NH--CO--R.sup.7, --O--CO--R.sup.7 and --N--(R.sup.8).sub.2 where R.sup.7 =(C.sub.1 -C.sub.6)-alkyl and R.sup.8, independently of one another, is hydrogen or (C.sub.1 -C.sub.2)-alkyl or in which R.sup.1 is the radical of the formula II ##STR2## in which n is an integer from 3 to 10, m is zero to 3, R.sup.6, independently of one another, is (C.sub.1 -C.sub.6)-alkyl which is optionally substituted by halogen or --NH--CO--R.sup.7, where R.sup.7 =(C.sub.1 -C.sub.6)-alkyl, and X is absent or is (C.sub.1 -C.sub.10)-alkyl, and R.sup.2, R.sup.3, R.sup.4 or R.sup.5, independently of one another, are hydrogen, (C.sub.1 -C.sub.5) -alkyl, lithium, sodium, potassium or Si(R), where R=(C.sub.1 -C.sub.Type: GrantFiled: December 12, 1997Date of Patent: August 10, 1999Assignee: Hoechst AktiengesellschaftInventors: Christoph Naumann, Katsuhiro Yoshikawa, Kazuyuki Kitamura, Mizuho Inazu
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Patent number: 5908959Abstract: A process is provided for the preparation of 4-amino-1-hydroxybutylidene-1,1-bisphosphonic acid or salts thereof which comprises of:a) reacting 4-aminobutyric acid with phosphorous acid and phosphorus trichloride in the presence of a polyalkylene(glycol); andb) recovering said 4-amino-1-hydroxybutylidene-1,1-bisphosphonic acid or salts thereof.Type: GrantFiled: February 6, 1998Date of Patent: June 1, 1999Assignee: Apotex Inc.Inventors: Rudolf Kubela, Yong Tao
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Patent number: 5863536Abstract: The present invention includes phosphoramidate derivatives, compositions containing the same, and methods of using them as NAALADase inhibitors, particularly for the treatment of glutamate abnormalities and associated nervous tissue insult in a animal and for treatment of prostate disease and prostate cancer by inhibition of NAALADase enzyme.Type: GrantFiled: December 31, 1996Date of Patent: January 26, 1999Assignee: Guilford Pharmaceuticals Inc.Inventors: Paul F. Jackson, Barbara S. Slusher, Kevin L. Tays, Keith M. Maclin
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Patent number: 5760021Abstract: The present invention relates to compositions comprising pharnaceutically-acceptable carriers and a phosphonocarboxylate, or a pharmaceutically-acceptable salt thereof, having a structure according to formula (I): ##STR1##Type: GrantFiled: May 7, 1993Date of Patent: June 2, 1998Assignee: The Procter & Gamble CompanyInventors: Frank Hallock Ebetino, Allan Vincent Bayless, Susan Mary Dansereau
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Patent number: 5760285Abstract: Compounds of formula (II) ##STR1## wherein R is a biphenyl group optionally substituted by one or more substituents, the same or different, selected among halogen atoms, hydroxy groups, alkoxy, alkyl or thioalkyl groups having from 1 to 6 carbon atoms in the alkyl moiety, carboxylic groups, nitro groups, amino, mono- or di-alkylamino groups having from 1 to 6 carbon atoms in the alkyl moiety; R.sub.1 is a hydrogen atom or a straight or branched C.sub.1 -C.sub.4 allyl; R.sub.2 is a straight or branched C.sub.1 -C.sub.6 alkyl or an arylalkyl having from 1 to 6 carbon atoms in the alkyl moiety wherein the aryl is a phenyl, a naphthyl or a 5 or 6 membered aromatic heterocycle with one or two heteroatoms selected among nitrogen, oxygen and sulphur, optionally substituted as above indicated for the R substituent; R.sub.3 is a straight or branched C.sub.1 -C.sub.Type: GrantFiled: September 13, 1996Date of Patent: June 2, 1998Assignee: Zambon Group S.p.A.Inventors: Gabriele Norcini, Gabriele Morazzoni, Francesco Santangelo
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Patent number: 5733897Abstract: Imidobisphosphoric acids, process for their preparation, and use thereof.There are described compounds of the formula I ##STR1## in which R.sup.1 is (C.sub.1 -C.sub.10)-alkyl, (C.sub.1 -C.sub.8)-alkanoyl, (C.sub.6 -C.sub.10)-aryl or Het, each of which can be substituted by halogen, --OH, --NH.sub.2, --NH--CO--R.sup.7, --O--CO--R.sup.7 and --N--(R.sup.8).sub.2 where R.sup.7 =(C.sub.1 -C.sub.6)-alkyl and R.sup.8, independently of one another, is hydrogen or (C.sub.1 -C.sub.4)-alkyl or in which R.sup.1 is the radical of the formula II ##STR2## in which n is an integer from 3 to 10, m is zero to 3, R.sup.6, independently of one another, is (C.sub.1 -C.sub.6)-alkyl which is optionally substituted by halogen or --NH--CO--R.sup.7, where R.sup.7 =(C.sub.1 -C.sub.6)-alkyl, and X is absent or is (C.sub.1 -C.sub.10)-alkyl, and R.sup.2, R.sup.3, R.sup.4 or R.sup.5, independently of one another, are hydrogen, (C.sub.1 -C.sub.5)-alkyl, lithium, sodium, potassium or Si(R), where R=(C.sub.1 -C.sub.Type: GrantFiled: September 8, 1995Date of Patent: March 31, 1998Assignee: Hoechst AktiengesellschaftInventors: Christoph Naumann, Katsuhiro Yoshikawa, Kazuyuki Kitamura, Mizuho Inazu
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Patent number: 5658897Abstract: The present invention relates to cyclopentane (or cyclopentane) heptanoic or cyclopentane (or cyclopentene) heptenoic acid, 2-hydrocarbyl phosphinyloxyalkyl or phosphonamidoalkyl, 1-esters, and derivatives thereof, useful as therapeutic agents. In particular, the therapeutic agents of this invention are useful as ocular hypotensives.Type: GrantFiled: April 8, 1996Date of Patent: August 19, 1997Assignee: AllerganInventor: Robert M. Burk
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Patent number: 5608045Abstract: Compound of formula (I): ##STR1## in which: R.sub.1 represents a hydroxyl, alkoxy or amino (unsubstituted or substituted) group,R.sub.2 represents an unsubstituted or substituted alkyl group,X.sub.1 represents --NH--,X.sub.2 represents --O--,R.sub.3 represents a hydrogen atom or an alkyl or phenyl group,R.sub.4 represents an alkyl group which is always substituted with one or more hydroxyl, benzyloxy, benzyloxycarbonylamino, amino, mono- or dialkylamino, acetoxy or 2,2-dimethyl-1,3-dioxolan-4-yl groups, such groups being identical or different,R.sub.5 represents a 3-indolylmethyl, naphthylmethyl, alkyl, phenyl or benzyl group, its isomers as well as its addition salts with a pharmaceutically acceptable acid or base, and medicinal products containing the same are useful as endothelin convertase inhibitor.Type: GrantFiled: July 3, 1995Date of Patent: March 4, 1997Assignee: Adir et CompagnieInventors: Guillaume de Nanteuil, Georges Remond, Tony Verbeuren
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Patent number: 5585481Abstract: A versatile reagent with a non-nucleotide monomeric unit having a ligand, and first and second coupling groups which are linked to the non-nucleotide monomeric unit. The ligand can be either a chemical moiety, such as a label or intercalator, or a linking arm which can be linked to such a moiety. Such reagent permits preparation of versatile nucleotide/non-nucleotide polymers, having any desired sequence of nucleotide and non-nucleotide monomeric units, each of the latter of which bear a desired ligand. These polymers can for example, be used as probes which can exhibit enhanced sensitivity and/or which are capable of detecting a genus of nucleotides each species of which has a common target nucleotide sequence of interest bridged by different sequences not of interest.Type: GrantFiled: January 14, 1994Date of Patent: December 17, 1996Assignee: Gen-Probe IncorporatedInventors: Lyle J. Arnold, Jr., Mark A. Reynolds, Ram S. Bhatt
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Patent number: 5571937Abstract: This invention relates to new derivatized solid supports and compounds having the formula: ##STR1## wherein S may be a solid support; L may be a chemical bond or a suitable inorganic or organic linker; Z may be --SO.sub.2 -- or --S--S--; R may be --OH, an H-phosphonate, an alkanephosphonate, a phosphotriester, a phosphite triester, a phosphite diester, a phosphorothioate, a phosphorodithioate, a phosphoroamidate, a phosphoroamidite, --OR.sup.1 --SR.sup.1, a nucleotide, N, which may be substituted or modified in its sugar, phosphate or base or an oligonucleotide of the formula --(N).sub.g, --R.sup.2, wherein N is as defined above which may be the same or different; g is an integer from one to two hundred; R.sup.1 is a suitable protecting group; and R.sup.2 may be an H-phosphonate, an alkane-phosphonate, a phosphotriester, a phosphite triester, a phosphite diester, a phosphorothioate, a phosphorodithioate, a phosphoroamidate, a phosphoroamidite, --OH, --OR.sup.1, --SR.sup.1, or --O--P(OCH.sub.2 CH.sub.Type: GrantFiled: May 13, 1994Date of Patent: November 5, 1996Assignees: Sloan-Kettering Institute for Cancer Research, ZW Biomedical Research AGInventors: Kyoichi A. Watanabe, Wu-Yun Ren, Roger Weil
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Patent number: 5510510Abstract: Inhibition of farnesyl transferase, which is an enzyme involved in ras oncogene expression, and inhibition of cholesterol biosynthesis, are effected by compounds of the formula ##STR1## their enantiomers, diastereomers, and pharmaceutically acceptable salts, prodrugs, and solvates, wherein:x is --ONR.sup.1 C(O)--, --N(OR.sup.1)C(O)--, --NR.sup.1 C(O)--, --C(O)NR.sup.1 --, --NR.sup.1 S(O.sub.2)--, --C(O)O--, --OC(O)--, --C(O)--, --O--, --NR.sup.1 -- or --(S).sub.q --;Y is --CO.sub.2 R.sup.2, --SO.sub.3 R.sup.2 or --P(O) (OR.sup.2) (R.sup.3);R is alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkenylene or aryl;R.sup.3 is --(O).sub.t R.sup.4 ;R.sup.1, R.sup.2 and R.sup.4 are each independently hydrogen, alkyl, aryl or aralkyl;m and n are each independently 0 or an integer from 1 to 5;p and t are each independently 0 or 1; andq is an integer from 1 to 2.Type: GrantFiled: June 28, 1994Date of Patent: April 23, 1996Assignee: Bristol-Meyers Squibb CompanyInventors: Dinesh V. Patel, Scott A. Biller
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Patent number: 5481030Abstract: Compound of formula (I): ##STR1## in which: R.sub.1 represents a hydroxyl, alkoxy or amino (unsubstituted or substituted) group,R.sup.2 represents an unsubstituted or substituted alkyl group,X.sub.1 represents --NH--,X.sub.2 represents --0--,R.sub.3 represents a hydrogen atom or an alkyl or phenyl group,R.sub.4 represents an alkyl group which is always substituted with one or more hydroxyl, benzyloxy, benzyloxycarbonylamino, amino, mono- or dialkylamino, acetoxy or 2,2-dimethyl-1,3-dioxolan-4-yl groups, such groups being identical or different,R.sub.5 represents a 3-indolylmethyl, naphthylmethyl, alkyl, phenyl or benzyl group, its isomers as well as its addition salts with a pharmaceutically acceptable acid or base,and medicinal products containing the same are useful as endothelin convertase inhibitor.Type: GrantFiled: June 29, 1994Date of Patent: January 2, 1996Assignee: Adir et CompagnieInventors: Guillaume de Nanteuil, Georges Remond, Tony Verbeuren
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Patent number: 5442101Abstract: The invention relates to novel methylenebisphosphonic acid ester amide derivatives of general formula (I), in which formula W.sup.1, W.sup.2, W.sup.3 and W.sup.4 are independently the group OR.sup.1 or the group NR.sup.2 R.sup.3 wherein R.sup.1, R.sup.2 and R.sup.3 independently are hydrogen or straight or branched, optionally unsaturated C.sub.1 -C.sub.22 -alkyl, optionally substituted, optionally unsaturated C.sub.3 -C.sub.10 -cycloalkyl, aryl, aralkyl or silyl SiR.sub.3, or the groups R.sup.2 and R.sup.3 form together with the adjacent nitrogen atom a 3 to 10-membered saturated, partly saturated or aromatic heterocyclic ring, wherein in addition to the nitrogen atom, there may be one or two heteroatoms from the group N, O and S, provided that in formula (I) at least one of the groups W.sup.1, W.sup.2, W.sup.3 and W.sup.4 is hydroxy and at least one of the groups W.sup.1, W.sup.2, W.sup.3 and W.sup.4 is amino group NR.sup.2 R.sup.3, Q.sup.1 and Q.sup.Type: GrantFiled: October 20, 1993Date of Patent: August 15, 1995Assignee: Leiras OyInventors: Hannu Hanhijarvi, Heikki Nupponen, Jouko Vepsalainen, Esko Pohjala
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Patent number: 5273969Abstract: Compounds which are inhibitors of cholesterol biosynthesis (by inhibiting de novo squalene biosynthesis), and thus are useful as hypocholesterolemic agents and antiatherosclerotic agents are provided which have the structure ##STR1## wherein m is 0, 1, 2 or 3; n is 0, 1, 2, 3 or 4;Y.sup.1 and Y.sup.2 are H or halogen;R.sup.2, R.sup.3 and R.sup.4 may be the same or different and are independently H, metal ion, C.sub.1 to C.sub.8 alkyl or C.sub.3 to C.sub.12 alkenyl;X is O, S, NH or NCH.sub.2 R.sup.15 wherein R.sup.15 is H or C.sub.1 to C.sub.5 alkyl; andR.sup.1 is R.sup.5 --Q.sup.1 --Q.sup.2 --Q.sup.3 -- wherein R.sup.5, Q.sup.1, Q.sup.2 and Q.sup.3 are as defined herein;and when m is o, X is other than S; and if m is o and X is O, then n is 1, 2, 3 or 4; including all stereoisomers thereof.Type: GrantFiled: March 15, 1993Date of Patent: December 28, 1993Assignee: E. R. Squibb & Sons, Inc.Inventors: Scott A. Biller, Michael J. Sofia
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Patent number: 5212164Abstract: Compounds which are inhibitors of cholesterol biosynthesis (by inhibiting de novo squalene biosynthesis), and thus are useful as hypocholesterolemic agents and antiatherosclerotic agents are provided which have the structure ##STR1## wherein m is 0, 1, 2 or 3; n is 0, 1, 2, 3 or 4;Y.sup.1 and Y.sup.2 are H or halogen;R.sup.2, R.sup.3 and R.sup.4 may be the same or different and are independently H, metal ion, C.sub.1 to C.sub.8 alkyl or C.sub.3 to C.sub.12 alkenyl;X is O, S, NH or NCH.sub.2 R.sup.15 wherein R.sup.15 is H or C.sub.1 to C.sub.5 alkyl; andR.sup.1 is R.sup.5 --Q.sup.1 --Q.sup.2 --Q.sup.3 -- wherein R.sup.5, Q.sup.1, Q.sup.2 and Q.sup.3 are as defined herein;and when m is o, X is other than S; and if m is o and X is 0, then n is 1, 2, 3 or 4; including all stereoisomers thereof.Type: GrantFiled: March 29, 1990Date of Patent: May 18, 1993Assignee: E. R. Squibb & Sons, Inc.Inventors: Scott A. Biller, Michael J. Sofia
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Patent number: 5208224Abstract: Novel phosphorus containing compounds are described, as well as methods for the preparation and pharmaceutical composition of same, which are useful in preventing the intestinal absorption of cholesterol and thus are useful in the treatment of hypercholesterolemia and atherosclerosis.Type: GrantFiled: March 13, 1991Date of Patent: May 4, 1993Assignee: Warner-Lambert CompanyInventors: Gary L. Bolton, Janak K. Padia, Bharat K. Trivedi
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Patent number: 5187266Abstract: A compound having the structure: ##STR1## wherein R is CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7, t-C.sub.4 H.sub.9 or C.sub.6 H.sub.5 ; R.sup.1 is NH.sub.2, NHCH.sub.3, NHC.sub.2 H.sub.5, NHC.sub.3 H.sub.7, NHC.sub.4 H.sub.9, NHCH.sub.2 CH.sub.2 Cl, NHC.sub.6 H.sub.5, N(CH.sub.3).sub.2, N(C.sub.2 H.sub.5).sub.2, N(C.sub.3 H.sub.7).sub.2, NCH.sub.3 (C.sub.2 H.sub.5), NCH.sub.3 (C.sub.3 H.sub.7), N(CH.sub.2 CH.sub.2 Cl).sub.2, NHOH, NHNHCO.sub.2 CH.sub.2 C.sub.6 H.sub.5, NHNHCO.sub.2 C(CH.sub.3).sub.3, OCH.sub.3, OC.sub.2 H.sub.5, OC.sub.3 H.sub.7, OC.sub.4 H.sub.9, OC.sub.6 H.sub.5, OC.sub.2 C.sub.6 H.sub.5, CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7, C.sub.4 H.sub.9, CH.sub.2 NO.sub.2 or CH.sub.2 NH.sub.2 ; and R.sup.2 is NHCH.sub.2 CH.sub.2 Cl or N(CH.sub.2 CH.sub.2 Cl).sub.2.These compounds may be used to eliminate occult leukemic clonogenic cells from bone marrow by contacting the bone marrow with a solution comprising levels of said compound sufficient to eliminate occult leukemic clonogenic cells.Type: GrantFiled: February 24, 1992Date of Patent: February 16, 1993Assignee: Board of Regents the University of Texas SystemInventors: David Farquhar, Yugiang Wang
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Patent number: 5177240Abstract: A class of phosphono-hydroisoquinoline 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 phosphono-hydroisoquinoline compound 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 Formula I: ##STR1## wherein each of R.sup.1 through R.sup.4 is hydrido, wherein each of Z.sup.1 and Z.sup.2 is hydroxyl, wherein W is a single bond connecting the phosphorus atom with the aromatic ring and wherein the A ring is aromatic. Also disclosed are two classes of intermediate compounds having a fully unsaturated A ring, which intermediate compounds are useful in methods to make product compounds of Formula I.Type: GrantFiled: December 31, 1990Date of Patent: January 5, 1993Assignee: G. D. Searle & Co.Inventors: Alexis A. Cordi, Michael L. Vazquez
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Patent number: 5175153Abstract: The present invention is novel substituted .alpha.-amino acids, pharmaceutical compositions, method of use, and preparations therefore having utility for treating disorders which benefit from blockade of aspartate and glutamate receptors.Type: GrantFiled: October 14, 1988Date of Patent: December 29, 1992Assignee: Warner-Lambert CompanyInventors: Christopher F. Bigge, James T. Drummond, Vlad E. Gregor, Graham Johnson, Michael R. Pavia
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Patent number: 5100654Abstract: A phosphorylated derivative of L-dopa of the formula ##STR1## wherein when X is ##STR2## wherein Z is --CH.sub.2, N, S or a linkage other than oxygen which renders the phosphate group resistant to hydrolysis by phosphatase enzymes in tissues and biological fluids,then Y is OQ, wherein Q is H or an alkyl with one to twelve carbon atoms, orwherein X is OQ, then Y is ##STR3## wherein R' is hydrogen or a pharmaceutically acceptable cation and R is a moiety which increases hydropobicity. The phosphorylated derivative of L-dopa is useful as an agent to increase the melanin content in mammalian skin and hair.Type: GrantFiled: April 7, 1989Date of Patent: March 31, 1992Assignee: Yale UniversityInventors: John M. Pawelek, Michael P. Osber
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Patent number: 5091552Abstract: A compound having the structure: ##STR1## wherein R is CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7, t--C.sub.4 H.sub.9 or C.sub.6 H.sub.5 ; R.sup.1 is NH.sub.2, NHCH.sub.3, NHC.sub.2 H.sub.5, NHC.sub.3 H.sub.7, NHC.sub.4 H.sub.9, NHCH.sub.2 CH.sub.2 Cl, NHC.sub.6 H.sub.5, N(CH.sub.3).sub.2, N(C.sub.2 H.sub.5).sub.2, N(C.sub.3 H.sub.7).sub.2, NCH.sub.3 (C.sub.2 H.sub.5), NCH.sub.3 (C.sub.3 H.sub.7), N(CH.sub.2 CH.sub.2 Cl).sub.2, NHOH, NHNHCO.sub.2 CH.sub.2 C.sub.6 H.sub.5, NHNHCO.sub.2 C(CH.sub.3).sub.3, OCH.sub.3, OC.sub.2 H.sub.5, OC.sub.3 H.sub.7, OC.sub.4 H.sub.9, OC.sub.6 H.sub.5, OC.sub.2 C.sub.6 H.sub.5, CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7, C.sub.4 H.sub.9, CH.sub.2 NO.sub.2 or CH.sub.2 NH.sub.2 ; and R.sup.2 is NHCH.sub.2 CH.sub.2 Cl or N(CH.sub.2 CH.sub.2 Cl).sub.2.These compounds may be used to eliminate occult leukemic clonogenic cells from bone marrow by contacting the bone marrow with a solution comprising levels of said compound sufficient to eliminate occult leukemic clonogenic cells.Type: GrantFiled: March 14, 1989Date of Patent: February 25, 1992Assignee: Board of Regents, The University of Texas SystemInventor: David Farquhar
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Patent number: 5070082Abstract: The N-phosphorylation of basic nitrogenous drug compounds to produce pro-drugs with enhanced water solubility or lipid solubility, or reduced toxicity, is disclosed. Drugs containing amine, amidine, guadinine, isourea, isothiourea an biguanide functions may be converted to such pro-drugs. The pro-drugs are hydrolyzed in the body, regenerating the original drugs with the release of a salt of phsophoric acid.Type: GrantFiled: March 18, 1991Date of Patent: December 3, 1991Assignee: American Cyanamid CompanyInventors: Keith C. Murdock, Ving J. Lee
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Patent number: 5024691Abstract: As new compounds, substituted aryloxyphenoxy benzamides having the formula ##STR1## in which X is CH or nitrogen; Y is chlorine, bromine, fluorine, iodine, methyl, cyano or hydrogen; Z is hydrogen, chlorine, bromine, fluorine, iodine, CH.sub.n, F.sub.3-n where n is an integer from 0 to 3; R is nitrogen dioxide, hydrogen or halogen; R' is hydrogen, CH.sub.3, lower alkyl, having 1-10 carbon atoms, SCCl.sub.3, ##STR2## or --PO.sub.3 R.sup.3.sub.2 wherein R.sup.3 is hydrogen, alkyl having 1-10 carbon atoms, aryl, or an equivalent of base such as a salt; R" is cyano, --C.tbd.CH, ##STR3## wherein R.sup.4 is hydrogen, alkyl having 1-10 carbon atoms, aryl or an equivalent of base such as a salt; and m is 0, 1, 2 or 3.Type: GrantFiled: August 4, 1986Date of Patent: June 18, 1991Assignee: ICI Americas Inc.Inventor: Sreeramulu Nagubandi