Chalcogen Bonded Directly To The Hetero Ring Patents (Class 549/222)
  • Patent number: 6921756
    Abstract: The invention relates to bacterial antibiotic resistance and, in particular, to compositions and methods for overcoming bacterial antibiotic resistance. The invention provides novel ?-lactamase inhibitors, which are structurally unrelated to the natural product and semi-synthetic ?-lactamase inhibitors presently available, and which do not require a ?-lactam pharmacophore. The invention also provides pharmaceutical compositions and methods for inhibiting bacterial growth.
    Type: Grant
    Filed: April 8, 2003
    Date of Patent: July 26, 2005
    Assignee: MethylGene, Inc.
    Inventors: Jeffrey M. Besterman, Jubrail Rahil, Arkadii Vaisburg
  • Patent number: 6914109
    Abstract: The invention relates to a process for the preparation of 15-pentadecanolide by hydrogenating 15-pentadecenolide and to its use.
    Type: Grant
    Filed: March 18, 2002
    Date of Patent: July 5, 2005
    Assignee: Symrise GmbH & Co. KG
    Inventors: Walter Kuhn, Oskar Koch, Hans-Ulrich Funk, Gerhard Senft
  • Patent number: 6894175
    Abstract: 2-Decarboxy-2-phosphinico prostaglandin derivatives are disclosed. These derivatives comprise a modified ?-chain and an ?-chain bonded to a ring structure. The modified ?-chain has a 2-decarboxy-2-phosphinico group. The derivatives can be used to treat a variety of pharmaceutical and cosmetic conditions.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: May 17, 2005
    Assignee: The Procter & Gamble Company
    Inventor: Mitchell Anthony DeLong
  • Publication number: 20040242544
    Abstract: Novel derivatives of ascorbic acid and compositions comprising them are provided. The novel derivatives are of the following general formula (I): where R1 is a C2-C22 saturated or unsaturated fatty acid residues, amino acid residues, or a C1-C17 alkyl ; R2 is a group of the following formula (II) wherein R5 or R6 are the same or different and represent hydrogen, a C1-C4 alkyl, or R5 is C1-C4 alkyl group and R6 is a metal cation or ammonium cation; R3 or R4 are the same or different and represent hydrogen, C2-C22 saturated or unsaturated fatty acid residues, amino acid residues, or a C1-C17 alkyl.
    Type: Application
    Filed: July 15, 2004
    Publication date: December 2, 2004
    Inventors: Vladimir Babtsov, Yury Shapiro, Emma Kvitnitsky, Valery Belakhov
  • Patent number: 6590107
    Abstract: A method and composition for the treatment of HIV infection, HBV infection, or abnormal cellular proliferation in humans and other host animals is disclosed that includes the administration of an effective amount of a 1,3-oxaselenolane nucleoside or a pharmaceutically acceptable salt thereof, optionally in a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: March 5, 2001
    Date of Patent: July 8, 2003
    Assignees: Emory University, The University of Georgia Research Foundation, Inc.
    Inventors: Raymond F. Schinazi, Chung K. Chu, Jinfa Du
  • Publication number: 20030096795
    Abstract: The invention relates to calcium (3S) tetrahydro-3-furanyl(1S,2R)-3-[[(4-aminophenyl)sulfonyl](isobutyl)amino]-1-benzyl-2-(phosphonooxy)propylcarb-amate, to processes for its preparation, and to its use in the treatment of diseases caused by retroviruses.
    Type: Application
    Filed: November 25, 2002
    Publication date: May 22, 2003
    Inventors: Ian Gordon Armitage, Andrew David Searle, Hardev Singh
  • Publication number: 20030092738
    Abstract: Compounds of formula (I) wherein the substituent groups defined by R1, R2, R3 and R4 are each independently selected of H, C(═O)R, P(═O)R′R″, S(═O)R′R″, substituted or unsubstituted C1-C18 alkyl, substituted or unsubstituted C2-C18 alkenyl, substituted or unsubstituted C2-C18 alkynyl, substituted or unsubstituted aryl; wherein each of the R′, R″ groups is independently selected from the group consisting of H, OH, NO2, NH2, SH, CN, halogen, ═O, C(═O)H, C(═O)CH3, CO2H, CO2CH3, substituted or unsubstituted C1-C18 alkyl, substituted or unsubstituted C2-C18 alkenyl, substituted or unsubstituted C2-C18 alkynyl, substituted or unsubstitued aryl; wherein R1, R2, R3 could form part of a heterocyclic ring; R2 can be independently an internal salt; wherein X1, X2 and X3 on formula (I) are independently placed in any particular position of the chain and independently selected of H, OH, OR′, SH, SR′, SOR′, SO2R′, NO2, NH2, NHR′
    Type: Application
    Filed: October 10, 2002
    Publication date: May 15, 2003
    Inventors: Tatsuo Higa, Junichi Tanaka, Dolores Garcia Gravalos
  • Patent number: 6500811
    Abstract: Compounds of the formula I are suitable for the production of pharmaceuticals for the prophylaxis and therapy of disorders in the course of which an increased activity of matrix-degrading enzymes is involved.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: December 31, 2002
    Assignee: Aventis Pharma Deutschland GmbH
    Inventors: Manfred Schudok, Wilfried Schwab, Gerhard Zoller, Eckart Bartnik, Frank Büttner, Klaus-Ulrich Weithmann
  • Patent number: 6472406
    Abstract: The intention relates to bacterial antibiotic resistance and, in particular, to compositions and methods for overcoming bacterial antibiotic resistance. The invention provides novel &bgr;-lactamase inhibitors, which are structurally unrelated to the natural product and semi-synthetic &bgr;-lactamase inhibitors presently available, and which do not require a &bgr;-lactam pharmacophore. The invention also provides pharmaceutical compositions and methods for inhibiting bacterial growth.
    Type: Grant
    Filed: July 5, 2000
    Date of Patent: October 29, 2002
    Assignee: MethylGene, Inc.
    Inventors: Jeffrey M. Besterman, Daniel Delorme, Jubrail Rahil
  • Patent number: 6436989
    Abstract: The present invention relates to prodrugs of a class of sulfonamides which are aspartyl protease inhibitors. In one embodiment, this invention relates to a novel class of prodrugs of HIV aspartyl protease inhibitors characterized by favorable aqueous solubility, high oral bioavailability and facile in vivo generation of the active ingredient. This invention also relates to pharmaceutical compositions comprising these prodrugs. The prodrugs and pharmaceutical compositions of this invention are particularly well suited for decreasing the pill burden and increasing patient compliance. This invention also relates to methods of treating mammals with these prodrugs and pharmaceutical compositions.
    Type: Grant
    Filed: December 24, 1997
    Date of Patent: August 20, 2002
    Assignee: Vertex Pharmaceuticals, Incorporated
    Inventors: Michael R. Hale, Roger D. Tung, Christopher T. Baker, Andrew Spaltenstein
  • Patent number: 6388098
    Abstract: A process for preparing a high-purity ascorbic acid-2-monophosphate salt in a convenient manner and in a high yield, comprising hydrolyzing an ascorbic acid-2-polyphosphate or a salt thereof in the presence of magnesium ion at a pH of 7 or more.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: May 14, 2002
    Assignee: Showa Denko Kabushiki Kaisha
    Inventors: Kazuhiro Ohmori, Yuji Kobayashi, Tomokazu Soda
  • Publication number: 20020035273
    Abstract: A process for preparing a high-purity ascorbic acid-2-monophosphate salt in a convenient manner and in a high yield, comprising hydrolyzing an ascorbic acid-2-polyphosphate or a salt thereof in the presence of magnesium ion at a pH of 7 or more.
    Type: Application
    Filed: March 17, 2000
    Publication date: March 21, 2002
    Inventors: Kazuhiro Ohmori, Yuji Kobayashi, Tomokazu Soda
  • Patent number: 6344567
    Abstract: A process for producing an ascorbic acid-2-phosphoric ester salt, where an ascorbic acid-2-phosphoric ester salt solution reduced in the content of excess phosphoric acid or a salt thereof mingled in the solution can be obtained from a solution containing an ascorbic acid-2-phosphoric ester or a salt thereof and a phosphoric acid or a salt thereof, with industrially high efficiency. A process for producing an alkaline earth metal salt of an ascorbic acid-2-phosphoric ester, comprising adding an alkaline earth metal compound to a stock solution containing an ascorbic acid-2-phosphoric ester or a salt thereof and a phosphoric acid or a salt thereof, at a liquid temperature of 0 to 30° C. to adjust the pH to 8.5 to 10.5.
    Type: Grant
    Filed: July 31, 2000
    Date of Patent: February 5, 2002
    Assignee: Showa Denko Kabushiki Kaisha
    Inventors: Yoshio Fujiwara, Yuji Kobayashi, Makoto Saito
  • Patent number: 6337406
    Abstract: Chiral phosphine ligands derived from chiral natural products including D-mannitol and tartaric acid. The ligands contain one or more 5-membered phospholane rings with multiple chiral centers, and provide high stereoselectivity in asymmetric reactions.
    Type: Grant
    Filed: August 19, 1999
    Date of Patent: January 8, 2002
    Assignee: The Penn State Research Foundation
    Inventor: Xumu Zhang
  • Patent number: 6323339
    Abstract: One aspect of the present invention relates to differentially protected glycosyl phosphates. Another aspect of the present invention relates to the preparation of glycosyl phosphates from glycal precursors. In another aspect of the present invention, glycosyl phosphates are used as glycosyl donors in glycosylation reactions.
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: November 27, 2001
    Assignee: Massachusetts Institute of Technology
    Inventors: Peter H. Seeberger, Obadiah J. Plante
  • Patent number: 6316491
    Abstract: Radioicol derivatives represented by the following formula (I) having tyrosine kinase inhibition activity or pharmacologically acceptable salts thereof: wherein R1 and R2 are the same or different, and each represents hydrogen, alkanoyl, alkenoyl, tert-butyldiphenylsilyl or tert-butyldimethylsilyl; R3 represents Y—R5 (wherein Y represents substituted or unsubstituted alkylene; and R5 represents CONR6R7 (wherein R6 represents hydrogen, hydroxyl, substituted or unsubstituted lower alkyl, substituted or unsubstituted higher alkyl, and the like; R7 represents hydroxyl, substituted lower alkyl, and the like), CO2R12 (wherein R12 represents substituted lower alkyl, substituted or unsubstituted higher alkyl, and the like), and the like) and the like; X represents halogen or is combined together with R4 to represent a single bond; and R4 is combined together with X to represent a single bond, or represents hydrogen, alkanoyl, and the like.
    Type: Grant
    Filed: June 24, 1998
    Date of Patent: November 13, 2001
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Yoji Ino, Nobuyoshi Amishiro, Mayumi Miyata, Chikara Murakata, Harumi Ogawa, Tadakazu Akiyama, Shiro Akinaga, Shiro Soga, Yukimasa Shiotsu
  • Patent number: 6288243
    Abstract: A process for separating L-ascorbyl 2-monophosphate from a mixture of the products of the desalting of the product mixture obtained from the phosphorylation under basic conditions of an L-ascorbic acid salt is described. This process is characterized by passing an aqueous solution of the desalted mixture containing among other components the desired L-ascorbyl 2-monophosphate through a column of a basic anion exchange resin, with resulting adsorption of the components onto the resin, desorbing among other adsorbed components the L-ascorbyl 2-monophosphate from the resin using as the eluent an aqueous alkali hydroxide solution, and collecting from the eluate the fraction which contains as its principal dissolved component the desired L-ascorbyl 2-monophosphate in the form of the appropriate mono-alkali metal salt.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: September 11, 2001
    Assignee: Roche Vitamins Inc.
    Inventor: Paul Nösberger
  • Patent number: 6281390
    Abstract: Compounds of formula III, wherein R6 und R7 signify identical or different secondary phosphino; R8 is —CH2—OH, —CH2—NH2—, —CH2O——B—FU, —CH2—NH2—B—FU, or —O—B—FU; R9 has the same significance as R8 or is C1-C4-alkyl or C1-C4-alkoxy; or R8 and R9 together signify HOCH(CH2—O—)2, H2NCH—(CH2—O—)2, FU—B—OCH(CH2—O—)2 or FU—B—HNCH(CH2—O—)2; B is a bridging group; and FU is a functional group. The compounds may be bonded to inorganic or organic carriers. Their d-8 metal complexes are valuable catalysts for the enantioselective hydrogenation of prochiral organic compounds with carbon multiple bonds or carbon/hetero atom multiple bonds.
    Type: Grant
    Filed: November 17, 1999
    Date of Patent: August 28, 2001
    Assignee: Solvias AG
    Inventors: Benoît Pugin, Ivo Steiner, Rhony Niklaus Aufdenblatten, Antonio Togni
  • Patent number: 6271397
    Abstract: A high-purity L-ascorbic acid-2-phosphoric acid potassium crystal having excellent stability, and a method for simply producing the high-purity L-ascorbic acid-2-phosphoric acid potassium in a high yield by adding dropwise a solution containing L-ascorbic acid-2-phosphoric potassium to methanol or simultaneously mixing methanol and a solution containing L-ascorbic acid-2-phosphoric acid potassium. By the production method of the present invention, high-purity L-ascorbic acid-2-phosphoric acid potassium crystal having excellent stability can be simply produced in a high yield. The L-ascorbic acid-2-phosphoric acid potassium crystal obtained by the production method of the present invention is used for feedstuff, cosmetic materials, medical products, food additive and the like.
    Type: Grant
    Filed: June 7, 1999
    Date of Patent: August 7, 2001
    Assignee: Showa Denko Kabushiki Kaisha
    Inventors: Kazuhiro Oomori, Yuji Kobayashi, Takamitsu Utsukihara, Sumio Soya
  • Patent number: 6242615
    Abstract: Processes for preparing compounds of the formula (I) are described: P1OOC—CH(OH)—CHR1—CONH—Z wherein P1 is hydrogen or a protecting group, Z is a group —CHR2COOP2 or —CHR2CONR3R4 wherein P2 is hydrogen or a protecting group and R1-R4 are values known in the TNF-inhibitor art. The compounds of the formula (I) are useful in inhibiting TNF and one or more matrix metalloproteinase enzymes. One intermediate in a process of the invention is formula (II).
    Type: Grant
    Filed: September 28, 1999
    Date of Patent: June 5, 2001
    Assignees: Zeneca Limited, Zeneca Pharma S.A.
    Inventors: Jacques Pelleter, Marie-Jeanne Pasquet, Thomas Geoffrey Colerick Bird
  • Patent number: 6121464
    Abstract: A process for preparing salts of ascorbyl 2-phosphoric esters of the formula I, ##STR1## where the variables have the following meanings: M is sodium, potassium, magnesium, aluminum; ##STR2## k.sym. is the valence and m=equivalents, where the product of k.multidot.m can be from 3 to 5,comprisesa) dissolving calcium L-ascorbate-2-phosphate in an aqueous solution of ascorbyl 2-phosphoric esters at a pH of from 0.5 to 4,b) removing the calcium ions from the resulting solution,c) adjusting the pH of the solution which remains to from 7 to 11 by means of sodium, potassium, magnesium or aluminum salts andd) isolating the salts of the ascorbyl 2-phosphoric ester of the formula I.
    Type: Grant
    Filed: July 13, 1999
    Date of Patent: September 19, 2000
    Inventors: Andreas Bottcher, Hans Gurski
  • Patent number: 6054444
    Abstract: The present invention relates to phosphonic acid derivatives that inhibit N-Acetylated .alpha.-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: Grant
    Filed: April 24, 1997
    Date of Patent: April 25, 2000
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Paul F. Jackson, Keith M. Maclin, Kevin L. Tays, Barbara S. Slusher
  • Patent number: 6040335
    Abstract: Compounds represented by the general formula (I) or pharmacologically acceptable salts thereof: ##STR1## (where R is a group --NHCHR.sub.1 R.sub.2, --N(CHR.sub.1 R.sub.2).sub.2, --N(CHR.sub.1 R.sub.2)CHR.sub.3 R.sub.4, --N.sup.+ (CHR.sub.1 R.sub.2).sub.3, --N.sup.+ (CHR.sub.1 R.sub.2).sub.2 CHR.sub.3 R.sub.4 or --N.sup.+ (CHR.sub.1 R.sub.2)(CHR.sub.3 R.sub.4)CHR.sub.5 R.sub.6 (where R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6, which may be the same or different, are each a hydrogen atom, an alkyl group, an alkenyl group, an aryl group or an aralkyl group, or an alkyl, alkenyl, aryl or aralkyl group which is substituted by at least one substituent selected from the group consisting of a halogen atom, a hydroxyl group, a lower alkoxy group, a lower alkylacyloxy group, a lower alkylacyl group, a lower alkoxycarbonyl group, a nitro group, a cyano group and a heterocyclic group, with CHR.sub.1 R.sub.2, CHR.sub.3 R.sub.4 or CHR.sub.5 R.sub.
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: March 21, 2000
    Assignee: Suntory Limited
    Inventors: Masayuki Saitoh, Yasuo Kitajima, Norio Iwasawa, Kenju Miura, Munetada Haruyama, Junko Hashino
  • Patent number: 5849933
    Abstract: The process for manufacturing ascorbic acid 2-mono-phosphates from ascorbic acid 2-polyphosphates, in particular 2-triphosphates by subjecting the ascorbic acid 2-triphosphates to drying conditions.
    Type: Grant
    Filed: October 18, 1996
    Date of Patent: December 15, 1998
    Assignee: Roche Vitamins Inc.
    Inventor: Bruno Leuenberger
  • Patent number: 5846753
    Abstract: A method of detecting the presence of a substance being monitored in a medium, selected from the group of substances including organophosphorus compounds and the metal ions Zn, Be and Bi, including the steps of: providing a 1,2-dioxetane phenyl phosphate compound; providing a phosphatase that catalytically degrades the 1,2-dioxetane phenyl phosphate compound to produce light, the catalytic activity of the phosphatase toward 1,2-dioxetane phenyl phosphate compound being altered by the substance being monitored; exposing the 1,2-dioxetane phenyl phosphate compound and the phosphatase together to a medium which may contain the substance being monitored; detecting light produced after the exposing step; and determining, from the detected light, the presence and concentration in the medium of the substance being monitored.
    Type: Grant
    Filed: May 30, 1995
    Date of Patent: December 8, 1998
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Joseph A. Akkara, David L. Kaplan, Madhu S. R. Ayyagari, Kenneth A. Marx, Sanjay Kamtekar, Rajiv Pande, Sukant K. Tripathy, Jayant Kumar
  • Patent number: 5830871
    Abstract: Inhibitors of E-, P- and L-selectin binding are synthesized by an aldol addition reaction between a glycoside aldehyde precursor and dihydroxyacetone phosphate or a derivative thereof. The addition reaction is catalyzed by aldolase. The inhibitors exhibit an activity comparable to sialyl Lewis X with respect to the E-selectin binding assay and high activities in the P- and L-selectin binding assays. The inhibitors are employable for blocking neutrophil inflamatory conditions.
    Type: Grant
    Filed: October 28, 1996
    Date of Patent: November 3, 1998
    Assignee: The Scripps Research Institute
    Inventors: Chi-Huey Wong, Francisco Moris-Varas, Chun-Cheng Lin
  • Patent number: 5750516
    Abstract: This invention provides a phosphoric diester of formula (I) which is available on di-esterification of phosphoric acid with L-ascorbic acid involving its 5-hydroxyl group and tocopherol involving its hydroxyl group or a pharmacologically acceptable salt thereof. ##STR1## The compound of the invention can be used with advantage as an antioxidant (radical-scavenging) agent and a prophylactic and therapeutic agent for ischemic organ disorders (e.g. myocardial infarction, heart failure, arrhythmia, cerebral infarction, stroke (cerebral apoplexy), renal failure, etc.).
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: May 12, 1998
    Assignee: Senju Pharmaceutical Co., Ltd.
    Inventors: Masayuki Nakamura, Kazumi Ogata, Takahiro Sakaue, Noriko Saito, Masahito Iemura
  • Patent number: 5698584
    Abstract: The invention encompasses the novel compound of Formula I useful in the treatment of cyclooxygenase-2 mediated diseases. ##STR1## The invention also encompasses certain pharmaceutical compositions for treatment of cyclooxygenase-2 mediated diseases comprising compounds of Formula I.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: December 16, 1997
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Cameron Black, Serge Leger, Petpiboon Prasit, Zhaoyin Wang, Pierre Hamel, Yongxin Han, Gregory Hughes
  • Patent number: 5610122
    Abstract: The present invention relates to a new 3-aryl-4-hydroxy-.DELTA..sup.3 -dihydrofuranone derivatives of the general formula (I) ##STR1## in which the radicals A, B, G, X, Y, Z and n have the meaning given in the description, to a plurality of processes for their preparation, and to their use as pesticides.
    Type: Grant
    Filed: September 9, 1994
    Date of Patent: March 11, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Thomas Bretschneider, Bernd-Wieland Kr uger, Hans-Joachim Santel, Markus Dollinger, Ulrike Wachendorff-Neumann, Christoph Erdelen
  • Patent number: 5602115
    Abstract: The bisphosphonates of formula (III)R.sub.2 --X--(CW).sub.m1 --CR.sub.3 R.sub.4 --CH.sub.2 --CM[PO--(OR.sub.1).sub.2 ].sub.2 (III)bicyclic bisphosphonates (V), and cyclic bisphosphonates (VII) are useful as antiarthritic agents and do not have the side effects of anti-arthritic agents which are prostaglandin synthetase inhibitors.
    Type: Grant
    Filed: November 28, 1994
    Date of Patent: February 11, 1997
    Assignee: The Upjohn Company
    Inventor: Richard A. Nugent
  • Patent number: 5582739
    Abstract: A process for reducing the phosphate content in waste water from the preparation of salts of ascorbic acid 2-monophosphate comprisesA. treating the waste water from the crystallization of the metal salts of ascorbic acid 2-monophosphate with an alkali metal or alkaline earth metal hypochlorite, chlorine or H.sub.2 O.sub.2,andB. precipitating, at a pH of 9-12, the inorganic phosphate which has been produced from organically bound phosphorus and/or was present in the waste water, especially as calcium phosphate.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: December 10, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Kaiser, Joachim Paust
  • Patent number: 5578471
    Abstract: The invention relates to a process for the preparation of ascorbic acid-2-phosphate, which comprises reacting ascorbic acid or araboascorbic acid with ATP to produce ascorbic acid-2-phosphate in an aqueous medium in the presence of an effective amount of an enzyme derived from a microorganism and capable of catalyzing the enzymatic reaction of ascorbic acid or araboascorbic acid with ATP to produce ascorbic acid-2-phosphate and recovering the resultant ascorbic acid-2-phosphate from the reaction solution.
    Type: Grant
    Filed: September 28, 1993
    Date of Patent: November 26, 1996
    Assignee: Kyowa Hakko Kogyo Kabushiki Kaisha
    Inventors: Tatsuro Fujio, Akihiko Maruyama
  • Patent number: 5574171
    Abstract: Enantioselective hydroformylation of vinyl compounds using a catalyst composition of a chiral carbohydrate phosphorous ligand with a Rh, Pt, Co or Ir metal, to produce chiral 2-substituted propanals, wherein the phosphorous of the ligand is substituted with electron withdrawing groups.
    Type: Grant
    Filed: April 24, 1995
    Date of Patent: November 12, 1996
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Timothy A. Ayers, Thaliyil V. Rajanbabu
  • Patent number: 5552535
    Abstract: A method for the synthesis of a plurality of oligonucleotides comprising the steps of(i) forming a first oligonucleotide on a first cleavable link attached to a solid support;(ii) attaching to the first oligonucleotide a cleavable linker moiety;(iii) forming a second oligonucleotide on the cleavable linker moiety; and(iv) cleaving the first cleavable link and the cleavable linker moiety to give a plurality of oligonucleotides; wherein the cleavable linker moiety is of the Formula (1): ##STR1## in which A.sup.1, A.sup.2 and E are as defined herein, and novel compounds which may be used in the operation of the method.
    Type: Grant
    Filed: November 7, 1994
    Date of Patent: September 3, 1996
    Assignee: Zeneca Limited
    Inventors: Michael J. McLean, David Holland, Andrew J. Garman, Robert C. Sheppard
  • Patent number: 5516919
    Abstract: Metal salts or substitutted or non-substituted ammonium salts of ascorbic acid derivatives can be produced in high yield by treating an acidic aqueous solution containing ascorbic acid-2-phosphate or ascorbic acid-2-sulfate with a porous adsorbent such as activated carbon, followed by treating the adsorbent with a basic aqueous solution containing e.g. a metal salt of an organic acid or substituted or non-substituted ammonium salt ion to elute the desired salt of ascorbic acid derivative.
    Type: Grant
    Filed: April 18, 1995
    Date of Patent: May 14, 1996
    Assignee: Wako Pure Chemical Industries, Ltd.
    Inventors: Atsunori Sano, Kuniaki Okamoto, Jun Ebashi
  • Patent number: 5474995
    Abstract: The invention encompasses the novel compound of Formula I useful in the treatment of cyclooxygenase-2 mediated diseases, ##STR1## The invention also encompasses certain pharmaceutical compositions for treatment of cyclooxygenase-2 mediated diseases comprising compounds of Formula I.
    Type: Grant
    Filed: January 10, 1994
    Date of Patent: December 12, 1995
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Yves Ducharme, Jacques Y. Gauthier, Petpiboon Prasit, Yves Leblanc, Zhaoyin Wang, Serge Leger, Michel Therien
  • Patent number: 5451686
    Abstract: Novel anti-inflammatory furanone compounds have the following formula: ##STR1## where R.sub.1 independently is H, or alkyl of 1 to 9 carbons and n is an integer having the values of 1 or 2, and where when n is 1 the R.sub.1 group is attached to the 5 position of the 2-furanone, when n is 2 then R.sub.1 is attached to both the 3 and 5 positions, with the proviso that when n is 1 then R.sub.1 is not H; Y.sub.1 is H, alkyl of 1 to 20 carbons, phenyl C.sub.1 -C.sub.20 alkyl, C.sub.1 -C.sub.20 alkenyl containing one or more olefinic bonds, where R.sub.3 is H, C.sub.1 -C.sub.20 alkyl, C.sub.1 -C.sub.20 alkenyl containing one or more olefinic bonds, phenyl, halogen substituted phenyl or C.sub.1 -C.sub.6 alkyl substituted phenyl, with the proviso that when Y.sub.1 is CO--OR.sub.3 or CONHR.sub.3 then R.sub.3 is not hydrogen; Y.sub.2 is H, an alkyl group of 1 to 25 carbons, or phenyl.
    Type: Grant
    Filed: April 15, 1994
    Date of Patent: September 19, 1995
    Assignee: Allergan, Inc.
    Inventor: Michael E. Garst
  • Patent number: 5428058
    Abstract: There are disclosed compounds of the formula: ##STR1## wherein R.sup.1 is hydrogen, alkyl, cycloalkyl, arylalkyl, --(CH.sub.2).sub.r CH.dbd.CH.sub.2, --(CH.sub.2).sub.s OY, --(CH.sub.2).sub.t CH(OZ)CH.sub.3, or Ar;X is O, S, or NR.sup.2 ;Y and Z are each, independently, hydrogen, alkyl, or --COR.sup.3 ;R.sup.2 and R.sup.3 are each, independently, hydrogen, alkyl, or arylalkyl;Ar is an aryl radical that may be optionally substituted;m=1-5;n=0-1;p=1-9;r=0-6;s=2-6; andt=0-6or a pharmaceutically acceptable salt thereof which are useful as antiinflammatory agents.
    Type: Grant
    Filed: September 28, 1994
    Date of Patent: June 27, 1995
    Assignee: American Home Products Corporation
    Inventor: Dominic R. Mobilio
  • Patent number: 5428162
    Abstract: Novel compounds of the formula (1), ##STR1## in which R.sub.1 is hydrogen or acyl, R.sub.2 to R.sub.5 are independently hydrogen, chloro, alkyl phenylalkyl, aryl, cycloalkyl, alkoxy, alkylthio, hydroxy, amino or substituted amino, R.sub.6 is hydrogen, R.sub.7 to R.sub.10 are independently hydrogen, alkyl or alkoxy, R.sub.17 or R.sub.19 is hydrogen or alkyl, and R.sub.18 is hydrogen, alkyl, aralkyl or aryl, are described for use as stabilizers for organic materials against thermal, oxidative or light-induced degradation.
    Type: Grant
    Filed: September 20, 1993
    Date of Patent: June 27, 1995
    Assignee: Ciba-Geigy Corporation
    Inventor: Peter Nesvadba
  • Patent number: 5420302
    Abstract: A process for isolating the calcium salt of ascorbyl 2-monophosphate from aqueous alkaline reaction mixtures as are obtained on reaction of ascorbic acid with a molar excess of phosphorus oxychloride in the presence of a tertiary amine while maintaining a pH of from 12 to 13 during the reaction by means of an aqueous alkali metal hydroxide solution, which comprisesa) starting from a reaction mixture which has been obtained by reacting ascorbic acid with phosphorus oxychloride in the presence of pyridine while maintaining a pH of from 12 to 13 by means of an aqueous potassium hydroxide solution,b) precipitating, as potassium magnesium phosphate, the phosphate ions which have been formed in this reaction by means of magnesium chloride in amounts of about 1 mol per mol of phosphate ions,c) removing the potassium magnesium phosphate,d) distilling the remaining aqueous solution to remove the pyridine together with part of the water,e) reacting the resulting aqueous solution with calcium chloride andf) isolating th
    Type: Grant
    Filed: August 6, 1993
    Date of Patent: May 30, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Kaiser, Friedhelm Balkenhohl, Joachim Paust
  • Patent number: 5409912
    Abstract: A new compound, which we have named Leustroducsin H, has formula (I): ##STR1## and pharmaceutically acceptable salts thereof. This compound may be prepared by hydrolysis of naturally occurring Leustroducsins and the compound may be used for the treatment or prophylaxis of thrombocytopenia.
    Type: Grant
    Filed: April 8, 1994
    Date of Patent: April 25, 1995
    Assignee: Sankyo Company, Limited
    Inventors: Yukio Sugimura, Tomoyuki Shibata, Kazuhiko Tamaki, Shinwa Kurihara, Takafumi Kohama, Akio Shiraishi, Tomowo Kobayashi, Kazuhiko Sasagawa, Naomi Shimazaki
  • Patent number: 5371248
    Abstract: Monoalkylated benzofuran adducts provide high temperature stable lubricant fluids having not only excellent thermal stability, but good low-temperature properties and excellent additive solubility as well.
    Type: Grant
    Filed: February 22, 1993
    Date of Patent: December 6, 1994
    Assignee: Mobil Oil Corporation
    Inventor: Leslie R. Rudnick
  • Patent number: 5334587
    Abstract: New compounds, which we have named the "Leustroducsins" have the formula (I): ##STR1## in which R represents a 5-methylhexanoyloxy group, a 6-methyloctanoyloxy group or a 7-methyloctanoyloxy group, and salts thereof, and may be prepared by fermentation using a microorganism of the genus Streptomyces, especially a strain of the species Streptomyces platensis, such as strain SANK 60191 (FERM BP-3288). These compounds may be used for the treatment or prophylaxis of: adverse reactions resulting from cancer chemotherapy or radiotherapy; infections; cancer; cerebral dysfunction; and fungal infections.
    Type: Grant
    Filed: March 25, 1992
    Date of Patent: August 2, 1994
    Assignee: Sankyo Company, Limited
    Inventors: Takafumi Kohama, Isao Kaneko, Takemichi Nakamura, Takeshi Kagasaki, Ryuzo Enokita, Keiichi Matsuda
  • Patent number: 5319104
    Abstract: The invention relates to new derivatives of macrocyclic lactones, a process for their preparation, a pyrolysis process using these new derivatives and the use of the pyrolysis products for the preparation of saturated macrocyclic lactones.
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: June 7, 1994
    Assignee: Haarmann & Reimer GmbH
    Inventors: Rudolf Hopp, Horst Finkelmeier, Oskar Koch, Alfred Korber
  • Patent number: 5298633
    Abstract: Anti-inflammatory 4-substituted 2-furanones are made from intermediates having the formulas: ##STR1##
    Type: Grant
    Filed: October 28, 1992
    Date of Patent: March 29, 1994
    Assignee: Allergan, Inc.
    Inventors: Gary C. M. Lee, Michael E. Garst
  • Patent number: 5248790
    Abstract: Antibiotic substances having the general formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are as defined herein.
    Type: Grant
    Filed: June 30, 1992
    Date of Patent: September 28, 1993
    Assignee: E. R. Squibb & Sons, Inc.
    Inventor: Uwe D. Treuner
  • Patent number: 5229378
    Abstract: Presented are a glycyrrhetic acid derivative of the following formula ##STR1## or a pharmacologically acceptable salt thereof, which has antioxidant, antiinflammatory and/or antiallergic activity, a process for producing said compound or salt, and an antioxidant, antiinflammatory and/or antiallergic composition comprising said compound or salt.
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: July 20, 1993
    Assignee: Senju Pharmaceutical Co., Ltd.
    Inventors: Kazumi Ogata, Kyouzo Yamamoto, Reiko Matsuda
  • Patent number: 5225571
    Abstract: Compounds of the formula ##STR1## in which R.sub.1 is H or alkyl of 1 to 20 carbons, CO--R.sub.2, CO--O--R.sub.2, CO--NH--R.sub.2, or PO(OR.sub.2).sub.2 or PO(OR.sub.2)R.sub.2, where R.sub.2 independently is H, alkyl of 1 to 20 carbons, phenyl, or lower alkyl substituted phenyl or halogen substituted phenyl; n is an integer between 8 to 14; Y is H, alkyl having 1-20 carbon atoms, aryl[lower alkyl], aryl, lower alkyl[aryl], alkenyl containing one or more olephinic bonds and 1-20 carbon atoms, CO--R.sub.3, CO--OR.sub.3, CONHR.sub.3, SO.sub.2 R.sub.3, SO.sub.2 NHR.sub.3 where R.sub.3 is aryl[lower alkyl], aryl, lower alkyl[aryl], alkenyl containing one or more olephinic bonds and 1-20 carbon atoms, further Y is PO(OH).sub.2, PO(OH)OR.sub.4, PO(OH)R.sub.4 PO(OR.sub.4).sub.2, where R.sub.4 is independently alkyl of 1-20 carbons or phenyl, have anti-inflammatory activity.
    Type: Grant
    Filed: April 30, 1991
    Date of Patent: July 6, 1993
    Assignee: Allergan, Inc.
    Inventor: Gary C. M. Lee
  • Patent number: 5212079
    Abstract: A process for the preparation of ascorbic acid-2-phosphate, which comprises reacting ascorbic acid or araboascorbic acid with a phosphate donor other than ATP in an aqueous medium in the presence of an effective amount of an enzyme derived and capable of preferentially catalyzing the enzymatic phosphorylation in the 2-position of ascorbic acid or araboascorbic acid by said phosphate donor, and recovering the resultant ascorbic acid-2-phosphate from the reaction solution.
    Type: Grant
    Filed: September 6, 1991
    Date of Patent: May 18, 1993
    Assignee: Kyowa Hakko Kogyo Kabushiki Kaisha
    Inventors: Tatsuro Fujio, Akihiko Maruyama, Satoshi Koizumi
  • Patent number: 5210220
    Abstract: The invention is concerned with a process for the manufacture of ascorbyl phosphates, namely of phosphates of the formula ##STR1## wherein M.sup.k.sym. denotes a cation, k.sup..sym. denotes the valency and m denotes the equivalents, with the proviso that the product from k.m=3, by phsophorylating ascorbic acid.k is 1 to 3, especially 1 or 2.The process comprises using pre-formed sodium (or potassium) dichlorophosphate as the phosphorylating reagent, adding ascorbic acid to this pre-formed phosphorylating reagent in aqueous solution, especially at pH values between about 11.0 and about 13.0, in the presence of a water-soluble trialkylamine as the catalyst and at temperatures between about +10.degree. C. and about -8.degree. C., especially at temperatures below 0.degree. C., and, if desired, trans-salting the I which is obtained as the sodium (or potassium) salt and/or, if desired, purifying via an amine salt.
    Type: Grant
    Filed: October 25, 1991
    Date of Patent: May 11, 1993
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Horst Pauling, Christof Wehrli