Nitrogen Attached Directly Or Indirectly To The Sulfonate Group By Acyclic Nonionic Bonding Patents (Class 558/48)
  • Patent number: 7034015
    Abstract: The invention relates to a novel class of aminobenzophenones derivatives, to pharmaceutical preparations comprising said compounds, to dosage units of such preparations, to methods of treating patients comprising administering said compounds, and to the use of said compounds in the manufacture of pharmaceutical preparations.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: April 25, 2006
    Assignee: Leo Pharma A/S
    Inventors: Erik Rytter Ottosen, Anne Marie Horneman, Xifu Liang
  • Patent number: 6992205
    Abstract: Sulfonic acid ester derivatives represented by the general formula (4) or (5) are produced by reacting an amino alcohol derivative represented by the general formula (1) or (2) with an organic sulfonyl halide represented by the general formula (3), in a mixed solvent composed of an aprotic organic solvent and water in the presence of a non-water-prohibiting inorganic base. This procedure can be carried out in a simple, easy, safe and economical manner while reducing the load on the environment. Wherein n represents an integer of 0 to 5, A represents a phenyl group, which may be substituted, R represents a methanesulfonyl, ethanesulfonyl, p-toluenesulfonyl or p-nitrobenzenesulfonyl group and X represents a chloride, bromine or iodine atom.
    Type: Grant
    Filed: May 16, 2003
    Date of Patent: January 31, 2006
    Assignee: Kaneka Corporation
    Inventors: Fumihiko Kano, Shigeki Kunihiro, Noritaka Yoshida, Natsuki Mori
  • Patent number: 6888027
    Abstract: This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the following formula: (I) A is an aryl group; Q1 is a covalent bond or an aryl leader group; J is a sulfonamide linkage selected from: —S(?O)2NR1— and —NR1S(?O)2—; R1 is a sulfonamido substituent; and, Q2 is an acid leader group; with the proviso that if J is —S(?O)2NR1—, then Q1 is an aryl leader group; and pharmaceutically acceptable salts, solvates, amides, esters, ethers, chemically protected forms, and prodrugs thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit HDAC, and, e.g., to inhibit proliferative conditions, such as cancer and psoriasis.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: May 3, 2005
    Assignee: Topotarget UK Limited
    Inventors: Clare J Watkins, Maria Rosario Romero-Martin, Kathryn G Moore, James Ritchie, Paul W Finn, Ivars Kalvinsh, Einars Loza, Klara Dikovska, Vija Gailite, Maxim Vorona, Irina Piskunova, Igor Starchenkov, Victor Andrianov, C. John Harris, James E. S. Duffy
  • Patent number: 6852755
    Abstract: This invention pertains to nitrogen mustard compounds (Formula (II)) and prodrugs therefor (Formula (I)), methods for their preparation, pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, in therapy and treatment, for example, of cancer, wherein: R1 and R2 are independently —Cl, —Br, —I, —OSO2CH3, or —OSO2Ph; R1a, R2a, R1b, and R2b are independently —H, a C1-4alkyl group, or a C1-4haloalkyl group; R3 is —F, —Cl, —Br, —I, —OCHF2, —C?CH, —OCF3, —CH3, —CF3, —SF5, —SCF3, or —CF2CF3; R4 is —H or as defined for R3?, R5 is —H or —F; R7 is —H, —C(CH3)3, or —CH2—CH—CH2; Z is —CH2—T—W; T is —CH2—, —O—, —S—, —(S?O)—, or —(SO2)—; W is one of: (1) —COOH; (2)—(C?O)OR8; (3) —(C?O)NR9R9; (4) —SO2NHR10?, (5) SO2OR11; (6)—PO3R11R11; (7) a tetrazol-5-yl group; (8) —CONH—SO2R12; and, (9)-M-Het.
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: February 8, 2005
    Assignee: Cancer Research Campaign Technology Limited
    Inventors: Caroline J. Springer, Lawrence C. Davies
  • Publication number: 20040157919
    Abstract: The present invention relates to novel, non-peptidic small organic compounds having an affinity for cyclophilin (CyP)-type immunophilin proteins, and to pharmaceutical compositions comprising one or more of the said compounds. The invention further relates to the uses of these compounds and compositions for binding CyP-type proteins, inhibiting their peptidyl-prolyl isomerase activity, and for research, development, and therapeutic applications in a variety of medical disorders.
    Type: Application
    Filed: November 14, 2003
    Publication date: August 12, 2004
    Inventors: Yong-Qian Wu, Sergei Belyakov, Gregory S. Hamilton, David Limburg, Joseph P. Steiner, Mark Vaal, Ling Wei, Douglas Wilkinson
  • Publication number: 20040127473
    Abstract: Disclosed and claimed are compounds suitable for use as an inhibitor of oestrone sulphatase in a subject in need thereof, as well as compositions containing such compounds and methods for using such compounds.
    Type: Application
    Filed: September 30, 2003
    Publication date: July 1, 2004
    Inventors: Michael John Reed, Barry Victor Lloyd Potter
  • Patent number: 6756409
    Abstract: The invention relates to novel phenoxyphenyl alkanesulphonates, processes for their preparation, their use for producing medicaments for the treatment and/or prophylaxis of diseases, in particular for the treatment of states of pain and neurodegenerative disorders.
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: June 29, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Markus Heil, Heinrich Meier, Paul Naab, Arnd Voerste, Jean-Marie-Viktor De Vry, Dirk Denzer, Frank Mauler, Klemens Lustig, Jan-Bernd Lenfers
  • Patent number: 6730783
    Abstract: Aminoguanidine and alkoxyguanidine compounds, including compounds of the formula: wherein X is O or NR9 and R1-R4, R6-R9, R11, R12, Ra, Rb, Rc, Y, Z, n and m are set forth in the specification, as well as hydrates, solvates or pharmaceutically acceptable salts thereof, that inhibit proteolytic enzymes such as thrombin are described. Also described are methods for preparing the compounds of Formula I. The novel compounds of the present invention are potent inhibitors of proteases, especially trypsin-like serine proteases, such as chymotrypsin, trypsin, thrombin, plasmin and factor Xa. Certain of the compounds exhibit antithrombotic activity via direct, selective inhibition of thrombin, or are intermediates useful for forming compounds having antithrombotic activity.
    Type: Grant
    Filed: April 22, 2003
    Date of Patent: May 4, 2004
    Assignee: 3-Dimensional Pharmaceuticals, Inc.
    Inventors: Bruce E. Tomczuk, Richard M. Soll, Tianbao Lu, Cynthia L. Fedde, Carl R. Illig, Thomas P. Markotan
  • Patent number: 6706765
    Abstract: Aminoguanidine and alkoxyguanidine compounds, including compounds of the formula: wherein X is O or NR9 and R1-R4, R6-R9, R11, R12, Ra, Rb, Rc, Y, Z, n and m are set forth in the specification, as well as hydrates, solvates or pharmaceutically acceptable salts thereof, that inhibit proteolytic enzymes such as thrombin are described. Also described are methods for preparing the compounds of Formula I. The novel compounds of the present invention are potent inhibitors of proteases, especially trypsin-like serine proteases, such as chymotrypsin, trypsin, thrombin, plasmin and factor Xa. Certain of the compounds exhibit antithrombotic activity via direct, selective inhibition of thrombin, or are intermediates useful for forming compounds having antithrombotic activity.
    Type: Grant
    Filed: February 6, 2003
    Date of Patent: March 16, 2004
    Assignee: 3-Dimensional Pharmaceuticals, Inc.
    Inventors: Bruce E. Tomczuk, Richard M. Soll, Tianbao Lu, Cynthia L. Fedde, Carl R. Illig, Thomas P. Markotan, Thomas P. Stagnaro
  • Publication number: 20030220497
    Abstract: O-medium alkyl esters of diflunisal and related compounds are disclosed having anti-platelet activity, hydroxy radical scavenging properties, enhanced hepatic clearance and low ulcerogenic potential. These compounds have general formula (I) wherein n equals 3-13.
    Type: Application
    Filed: December 27, 2002
    Publication date: November 27, 2003
    Applicant: The University of Queensland
    Inventors: Daniel Yung-Yu Hung, Michael Stephen Roberts
  • Publication number: 20030149083
    Abstract: Specified phenylalanine derivatives and analogues thereof have an antagonistic activity to &agr; 4 integrin. They are used as therapeutic agents for various diseases concerning &agr; 4 integrin.
    Type: Application
    Filed: May 20, 2002
    Publication date: August 7, 2003
    Applicant: AJINOMOTO CO. INC
    Inventors: Yasuhiro Tanaka, Toshihiko Yoshimura, Hiroyuki Izawa, Chieko Ejima, Mitsuhiko Kojima, Yuko Satake, Eiji Nakanishi, Nobuyasu Suzuki, Shingo Makino, Manabu Suzuki, Masahiro Murata
  • Patent number: 6518310
    Abstract: Aminoguanidine and alkoxyguanidine compounds, including compounds of the formula: wherein X is O or NR9 and R1-R4, R6-R9, R11, R12, Ra, Rb, Rc, Y, Z, n and m are set forth in the specification, as well as hydrates, solvates or pharmaceutically acceptable salts thereof, that inhibit proteolytic enzymes such as thrombin are described. Also described are methods for preparing the compounds of Formula I. The novel compounds of the present invention are potent inhibitors of proteases, especially trypsin-like serine proteases, such as chymotrypsin, trypsin, thrombin, plasmin and factor Xa. Certain of the compounds exhibit antithrombotic activity via direct, selective inhibition of thrombin, or are intermediates useful for forming compounds having antithrombotic activity.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: February 11, 2003
    Assignee: 3-Dimensional Pharmaceuticals, Inc.
    Inventors: Bruce E. Tomczuk, Richard M. Soll, Tianbao Lu, Cynthia L Fedde, Carl R Illig, Thomas P. Markotan, Thomas P Stagnaro
  • Publication number: 20020198396
    Abstract: A sulphamate compound suitable for use as an inhibitor of oestrone sulphatase (E.C.3.1.6.2) is described. The compound is a polycyclic compound comprising at least two ring components, wherein the polycyclic compound comprises at least one sulphamate group attached to at least one of the ring components, and wherein at least one oxime group is attached to or is part of at least one of the ring components.
    Type: Application
    Filed: May 17, 2000
    Publication date: December 26, 2002
    Inventors: Michael John Reed, Barry Victor Lloyd Potter
  • Patent number: 6482860
    Abstract: The invention provides methods and compositions relating to novel pentafluorophenylsulfonamide derivatives and analogs and their use as pharmacologically active agents. The compositions find particular use as pharmacological agents in the treatment of disease states, particularly cancer, vascular restenosis, microbial infections, and psoriasis, or as lead compounds for the development of such agents.
    Type: Grant
    Filed: July 18, 1997
    Date of Patent: November 19, 2002
    Assignee: Tularik Inc.
    Inventors: John A. Flygare, Julio Cesar Medina, Bei Shan, David Louis Clark, Terry J. Rosen
  • Patent number: 6433000
    Abstract: Novel sulfatase inhibitor/estrogen receptor blocker compounds useful in the treatment of estrogen dependent illnesses are disclosed. The compounds generally comprise a sulfamate moiety and an aromatic, estrogen receptor blocker moiety. Methods for synthesizing these compounds and using them in the therapeutic and/or prophylactic treatment of an estrogen-dependent disease are also disclosed.
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: August 13, 2002
    Assignee: Duquesne University of the Holy Ghost
    Inventors: Pui-Kai Li, Kyle W. Selcer
  • Publication number: 20010044464
    Abstract: The present invention relates to a hydrazine oxoacetamide derivative or its salt which exhibits an excellent insecticidal effect even at a low concentration.
    Type: Application
    Filed: April 19, 2001
    Publication date: November 22, 2001
    Applicant: AGRO-KANESHO CO., LTD.
    Inventors: Syuichi Usui, Kiyoshi Takasuka, Yukinori Takekita, Junko Uchida, Norio Osaki
  • Patent number: 6268520
    Abstract: Novel tricyclic compounds of formula I as defined in the specification, a process for their preparation and their use for the preparation of optically active or racemic colchicine and thiocolchicine derivatives.
    Type: Grant
    Filed: April 5, 1999
    Date of Patent: July 31, 2001
    Assignee: Hoechst Marion Roussel
    Inventors: Francis Brion, Bernadette Chappert, Christian Diolez, Christian Marie, Alain Mazurie, Michel Middendorp, Didier Pronine, Edmond Toromanoff
  • Patent number: 6248780
    Abstract: Novel sulfatase inhibitor/estrogen receptor blocker compounds useful in the treatment of estrogen dependent illnesses are disclosed. The compounds generally comprise a sulfamate moiety and an aromatic, estrogen receptor blocker moiety. Methods for synthesizing these compounds and using them in the therapeutic and/or prophylactic treatment of an estrogen-dependent disease are also disclosed.
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: June 19, 2001
    Assignee: Duquesne University of the Holy Ghost
    Inventors: Pui-Kai Li, Kyle W. Selcer
  • Patent number: 6187944
    Abstract: Acrylonitrile compounds having pesticidal activity of formula (I) and salts thereof. wherein Q is Y is ═C(R4)— or ═N—, R1 is alkyl, haloalkyl, etc., each of R2 and R3 is halogen, alkyl which may be substituted, alkenyl which may be substituted, etc., R4 is hydrogen, halogen, alkyl or haloalkyl, 1 is from 1 to 4, m is from 0 to 5, n is from 0 to 3, q is from 0 to 4, when 1 is 2 or more, a plurality of R2 may be the same or different, when each of m, n and q is 2 or more, a plurality of R3 may be the same or different.
    Type: Grant
    Filed: August 16, 1999
    Date of Patent: February 13, 2001
    Assignee: Ishihara Sangyo Kaisha Ltd.
    Inventors: Toru Koyanagi, Yuji Nakamura, Masayuki Morita, Koji Sugimoto, Tsuyoshi Ikeda, Munekazu Ogawa
  • Patent number: 6169116
    Abstract: Compounds of formula I wherein R1, R2, R3, R4 and R5 are as defined in the description, are useful as pharmaceuticals.
    Type: Grant
    Filed: June 28, 1999
    Date of Patent: January 2, 2001
    Assignee: Novartis AG
    Inventor: Robert Swoboda
  • Patent number: 6111102
    Abstract: Compounds of the formula I or salts thereof, in whichX is oxygen, --O--NR.sup.2 -- or --SO.sub.2 --NR.sup.2 --, and Y is N or CH,R.sup.1 is (C.sub.1 -C.sub.6)alkyl, (C.sub.2 -C.sub.6)alkenyl or (C.sub.2 -C.sub.6)alkynyl, which are in each case optionally substituted, or, in the case where X=oxygen, also (subst.) phenyl,R.sup.2 is H, (C.sub.1 -C.sub.6)alkyl, (C.sub.2 -C.sub.6)alkenyl or -alkynyl or (C.sub.3 -C.sub.6)cycloalkyl,R.sup.3 and R.sup.4 are H, (subst.) (C.sub.1 -C.sub.4)alkyl or (subst.) (C.sub.1 -C.sub.4)alkoxy or halogen, (C.sub.1 -C.sub.4)alkylthio, (C.sub.1 -C.sub.4)-alkylamino or di[(C.sub.1 -C.sub.4)alkyl]-amino,R.sup.5 is H or (C.sub.1 -C.sub.4)alkyl and R.sup.6 is hydrogen,may be prepared by reacting compounds of the formula II,R.sup.1 --X--R.sup.7 (II)with compounds of the formulae III, IV and VR.sup.8 --OCN (III)SO.sub.2 Cl.sub.2 (IV) ##STR1## where R.sup.7 and R.sup.8 are H, a quarternary ammonium ion or one equivalent of a metal cation.
    Type: Grant
    Filed: March 2, 1999
    Date of Patent: August 29, 2000
    Assignee: Hoechst Aktiengesellschaft
    Inventor: Gunter Schlegel
  • Patent number: 6084131
    Abstract: A process for the preparation of protected dihydroxypropyl trialkylammonium salts, particularly in chiral form is described. In particular, a process for the preparation of (2,2-dimethyl-1,3-dioxolan-4-ylmethyl)trialkylammonium salts, particularly in chiral form is described. Furthermore, a process is described wherein the (2,2-dimethyl-1,3-dioxolan-4ylmethyl)trialkylammonium salts is a 2,2-dimethyl-1,3-dioxolan-4-ylmethyl trimethylammonium salt, preferably in chiral form. The protected dihydroxypropyl trialkylammonium salts lead to L-carnitine (9) when in chiral form (5).
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: July 4, 2000
    Assignee: Board of Trustees operating Michigan State University
    Inventors: Rawle I. Hollingsworth, Guijun Wang
  • Patent number: 6075146
    Abstract: The invention relates to intermediates and processes for producing benzothiophenes employing hydroxylamines.
    Type: Grant
    Filed: July 28, 1998
    Date of Patent: June 13, 2000
    Assignee: Eli Lilly and Company
    Inventor: Erik Christopher Chelius
  • Patent number: 5952462
    Abstract: Antigens capable of eliciting antibodies which can catalyze chemical reactions, in particular, the cleavage or formation of a peptide linkage, comprising a hapten or a hapten and a suitable carrier molecule are disclosed. Haptens include, among others, silicon and boron containing compounds. Antibodies which are catalytically active for chemical reactions, in particular, the cleavage or formation of a selected peptide linkage or an ester bond, and which are elicited by such antigens are disclosed as well as methods for producing the antibodies and methods for catalyzing the cleavage or formation of a peptide linkage or in ester bond in a molecule.
    Type: Grant
    Filed: November 2, 1994
    Date of Patent: September 14, 1999
    Assignee: IGEN International Inc.
    Inventors: Michael J. Powell, Richard C. Titmas, Richard J. Massey
  • Patent number: 5912379
    Abstract: Processes for preparing sulfonylureas Compounds of the formula I or salts thereof, ##STR1## in which X is oxygen, --O--NR.sup.2 -- or --SO.sub.2 --NR.sup.2 --, and Y is N or CH,R.sup.1 is (C.sub.1 -C.sub.6)alkyl, (C.sub.2 -C.sub.6)alkenyl or (C.sub.2 -C.sub.6)alkynyl, which are in each case optionally substituted, or, in the case where X=oxygen, also (subst.) phenyl,R.sup.2 is H, (C.sub.1 -C.sub.6)alkyl, (C.sub.2 -C.sub.6)alkenyl or -alkynyl or (C.sub.3 -C.sub.6)cycloalkyl,R.sup.3 and R.sup.4 are H, (subst.) (C.sub.1 -C.sub.4)alkyl or (subst.) (C.sub.1 -C.sub.4)alkoxy or halogen, (C.sub.1 -C.sub.4)alkylthio, (C.sub.1 -C.sub.4)alkylamino or di?(C.sub.1 -C.sub.4)alkyl!-amino,R.sup.5 is H or (C.sub.1 -C.sub.4)alkyl and R.sup.6 is hydrogen,may be prepared by reacting compounds of the formula II,R.sup.1 --X--R.sup.7 (II)with compounds of the formulae III, IV and VR.sup.8 --OCN (III)SO.sub.2 Cl.sub.2 (IV) ##STR2## where R.sup.7 and R.sup.8 are H, a quarternary ammonium ion or one equivalent of a metal cation.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: June 15, 1999
    Assignee: Hoechst Aktiengesellschaft
    Inventor: Gunter Schlegel
  • Patent number: 5892088
    Abstract: There are disclosed novel sulfamate compounds containing N-substituted carbomoyl group including their racemates and (R)- and (S)-optical isomers represented by Formulas I, II and III, pharmaceutically useful for the prophylaxis and treatment of the disorders of the central nervous system, especially for nervous myalgia, epilepsy and minimal brain dysfunction: ##STR1## (III).
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: April 6, 1999
    Assignee: Yukong Limited
    Inventors: Yong Moon Choi, Dong Il Han, Hyung Cheol Kim
  • Patent number: 5869725
    Abstract: Derivatives of gamma-amino-alpha,beta-unsaturated sulfonic acids, a process for the preparation of the same and their utilization in the synthesis of pseudopeptides characterized by the presence of at least a sulfonamide type bond conjugated to a double bond are described.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: February 9, 1999
    Assignee: Pharmacia & UpJohn S.P.A.
    Inventors: Cesare Gennari, Donatella Potenza, Barbara Salom
  • Patent number: 5811454
    Abstract: The invention provides a compound which is a 3-fluorobenzamide of the formula (A) ##STR1## wherein R-NH is the residue of an .alpha.-amino acid R-NH.sub.2 or oligopeptide R-NH.sub.2, and M is a nitrogen mustard group of the formula ##STR2## wherein Y and L, which may be the same or different in a molecule, are leaving groups; or a pharmaceutically acceptable salt thereof. The compounds are useful as prodrugs for treating cancer.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: September 22, 1998
    Assignee: Cancer Research Campaign Technology Limited
    Inventor: Caroline J. Springer
  • Patent number: 5804532
    Abstract: Herbicides derived from 2-cyano-1,3-diones have the formula: ##STR1## wherein R, R.sup.1, R.sup.2 R.sup.3, R.sup.4 and R.sup.5 are as defined in the description. The compounds are intended for use pre- and post-emergence as selective herbicides in maize and a large number of other monocotyledon crops.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: September 8, 1998
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventors: Paul Alfred Cain, Susan Mary Cramp, Claude Lambert, Derek Ian Wallis, Thomas David Yarwood, Gillian Mary Little, John Morris, Tibor Musil, Simon Neil Pettit, Philip Henry Gaunt Smith
  • Patent number: 5763610
    Abstract: A composition comprising a nitrogen-containing olefinic compound and a process for using the nitrogen-containing olefinic compound to produce a water-soluble polymer which has applications in a subterranean formation are provided. The nitrogen-containing olefinic compound can be made from an amine and an alkylating agent. The polymer produced can be used in drilling fluids, workover fluids, completion fluids, permeability corrections, water or gas coning prevention, fluid loss prevention, matrix acidizing, fracture acidizing, and combinations of any two or more thereof.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: June 9, 1998
    Assignee: Phillips Petroleum Company
    Inventors: Iqbal Ahmed, Ahmad Moradi-Araghi, Odd Ivar Eriksen
  • Patent number: 5760006
    Abstract: The use of compounds of the following formula I: ##STR1## for treating psoriasis is disclosed.
    Type: Grant
    Filed: June 23, 1997
    Date of Patent: June 2, 1998
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Richard P. Shank, Claudia K. Derian
  • Patent number: 5654461
    Abstract: 3-O-Carbamoyl-2-phenyl-1,3-propanediol sulfamate racemate, represented by the following structural formula I: ##STR1## and its (R)- and (S)-optical isomers, which are very effective for prophylaxis and the treatment of central nervous system disorders including nervous muscular pain, epilepsy and minimal brain dysfunctions, are disclosed. They are prepared from 2-phenyl-1,3-propanediol monocarbamate and its optical isomers, respectively.
    Type: Grant
    Filed: March 14, 1996
    Date of Patent: August 5, 1997
    Assignee: Yukong Limited
    Inventors: Yong Moon Choi, Dong Il Han, Hyung Cheol Kim
  • Patent number: 5550273
    Abstract: A process for preparing fluorocarbon fluoroalkanesulfonates comprises (a) forming a mixture comprising at least one fluoroalkanesulfonyl halide, e.g., perfluoromethanesulfonyl fluoride, at least one fluorocarbon-substituted carbinol, e.g., 1,1-dihydroperfluorobutoxyethoxyethanol, and at least one base, e.g., triethyl amine; and (b) allowing the mixture to react in the absence of solvent at a temperature below ambient. The process is volume-efficient and provides high yields of fluorocarbon fluoroalkanesulfonates useful as intermediates in, e.g., drug synthesis.
    Type: Grant
    Filed: November 16, 1994
    Date of Patent: August 27, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Patricia M. Savu
  • Patent number: 5532410
    Abstract: L-(-)-carnitine is prepared from D-(+)-carnitinamide by (a) reacting D-(+)-carnitinamide in an acid medium with a straight or branched chain aliphatic alcohol thereby forming D-(+)-carnitine ester, (b) acylating the D-(+)-carnitine ester with an anhydride R.sub.2 O, thereby forming an acylated ester intermediate, (c) acid hydrolyzing the ester group of the acyl carnitine ester thereby obtaining acyl D-(+)-carnitine, (d) lactonizing the acyl D-(+)-carnitine to a lactone of L-(-)-carnitine, and (e) reacting the lactone with base thereby forming L-(-)-carnitine.
    Type: Grant
    Filed: April 4, 1994
    Date of Patent: July 2, 1996
    Assignee: Sigma-Tau Industrie Farmaceutiche Ruinite S.p.A.
    Inventors: Fabio Giannessi, Nazareno Scafetta, Ida Bernabei, Maria O. Tinti, Francesco De Angelis
  • Patent number: 5491260
    Abstract: A Process for Preparing L-(-)-carnitine is disclosed which comprises acylating D-(+)-carnitinenitrile or D-(+)-carnitineamide to their respective acyl derivatives which, via acid hydrolysis, yield D-(+)-carnitine which is converted to the lactone of L-(-)-carnitine. The lactone when in base yields L-(-)-carnitine.
    Type: Grant
    Filed: April 7, 1994
    Date of Patent: February 13, 1996
    Assignee: Sigma-Tau Industrie Farmaceutiche Riunite S.p.A.
    Inventors: Fabio Giannessi, Roberto Castagnani, Maria O. Tinti, Francesco De Angelis, Paolo De Witt, Domenico Misiti
  • Patent number: 5488118
    Abstract: The present invention relates to a process for producing an optically active erythro-3-amino-1,2-epoxy compound represented by the following general formula (3): ##STR1## wherein R1 represents a hydrocarbon residue having 3 to 12 carbon atoms; and R2 represents optionally protected amino, provided that when the carbon atom at the *3-position has an S configuration, then the carbon atom at the *2-position has an S configuration, and when the carbon atom at the *3-position has an R configuration, then the carbon atom at the *2-position has an R configuration.
    Type: Grant
    Filed: November 28, 1994
    Date of Patent: January 30, 1996
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Taichi Koshigoe, Hitoshi Satoh, Kenichi Yamamoto
  • Patent number: 5468870
    Abstract: Dye-donor element for use according to thermal dye sublimation transfer comprising a support having thereon a dye layer containing a dye corresponding to the following formula ##STR1## wherein Z represents CN, COOR.sup.1 or CONR.sup.2 R.sup.3 ;R.sup.1, R.sup.2 and R.sup.3 each independently represent hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, or R.sup.2 and R.sup.3 together represent the necessary atoms to close a heterocyclic nucleus or substituted heterocyclic nucleus;Y represents OR.sup.4 or NR.sup.5 R.sup.6 or CN;R.sup.4 represents hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, SO.sub.2 R.sup.7, COR.sup.7, CSR.sup.7, POR.sup.7 R.sup.8 ;R.sup.5 and R.sup.6 each independently has one of the significances given to R.sup.4 or represent substituted or unsubstituted amino, or R.sup.5 and R.sup.
    Type: Grant
    Filed: October 20, 1994
    Date of Patent: November 21, 1995
    Assignee: AGFA-GAVAERT, N.V.
    Inventor: Luc J. Vanmaele
  • Patent number: 5414120
    Abstract: The present invention relates to novel polyether-substituted compounds of imides and their use as surface-active agents.
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: May 9, 1995
    Assignee: Bayer AG
    Inventors: Klaus Pohmer, Rainer Weber, Cornelia Dorzbach-Lange, Reinhard Haida, Hans-Heinrich Moretto
  • Patent number: 5405871
    Abstract: Compounds of the formula ##STR1## wherein each of o and p, independently of the other, is 0, 1, 2, 3, 4 or 5, the radicals R.sub.1 being the same or different when o is greater than 1 and the radicals R.sub.2 being the same or different when p is greater than 1;each of R.sub.1 and R.sub.2, independently of the other, is C.sub.1 -C.sub.4 alkyl, halo-C.sub.1 -C.sub.4 alkyl, halogen, --NO.sub.2, --OH, C.sub.1 -C.sub.4 alkoxy, halo-C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, halo-C.sub.1 -C.sub.4 alkylthio, --O--S(.dbd.O)--R.sub.6, --O--S(.dbd.O).sub.2 --R.sub.6, phenoxy or --N(R.sub.11)SO.sub.2 R.sub.12 and/or two substituents R.sub.1 and/or two substituents R.sub.2 are, independently of one another, together --Y--Z--Y--;R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl or halo-C.sub.1 -C.sub.4 alkyl;R.sub.4 is hydrogen, C.sub.1 -C.sub.4 alkyl, halo-C.sub.1 -C.sub.4 alkyl, unsubstituted phenyl or naphthyl or mono- or di-substituted phenyl or naphthyl;R.sub.5 is --S--R.sub.7, --S(.dbd.O)--R.sub.7, --S(.dbd.O).
    Type: Grant
    Filed: April 6, 1994
    Date of Patent: April 11, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Roger G. Hall, Alfons Pascual, Odd Kristiansen
  • Patent number: 5387700
    Abstract: A process for producing chlorosulfate and sulfamate esters of 2,3:4,5-bis-O-(1-methylethylidene)-.beta.-D-fructopyranose and (1-methylcyclohexyl)methanol is disclosed. The process involves a two step procedure involving in the first step reacting of an alcohol with sulfuryl chloride in the presence of a tertiary or heterocyclic amine base in a solvent selected from the group consisting of toluene, t-butyl methyl ether or tetrahydrofuran to produce a chlorosulfate intermediate, which is preferably stabilized by an aqueous wash and/or treatment with a base, and in the second step reacting of the resulting intermediate with an amine in a solvent selected from the group consisting of t-butyl methyl ether, tetrahydrofuran and lower alkanol.
    Type: Grant
    Filed: August 12, 1993
    Date of Patent: February 7, 1995
    Assignee: McNeilab, Inc.
    Inventors: Cynthia A. Maryanoff, Lorraine Scott, Kirk L. Sorgi
  • Patent number: 5387707
    Abstract: 4-[(2-chloroethyl)-(2-hydroxyethyl)-amino]benzoyl amino acids of formula (IV), wherein X represents a group (a), where Pro represents hydrogen or a straight or branched chain C.sub.1-6 alkyl group, and salts thereof, and processes for their production.
    Type: Grant
    Filed: April 10, 1992
    Date of Patent: February 7, 1995
    Inventors: John Mann, Caroline J. Springer
  • Patent number: 5304661
    Abstract: Acyclic terpene compounds useful as intermediates for producing sarcophytol A which have an anti-carcinogenic promotor activity and anti-tumor activity, which compounds are shown by the general formula (I): ##STR1##
    Type: Grant
    Filed: April 9, 1993
    Date of Patent: April 19, 1994
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Hisao Takayanagi, Yasunori Kitano, Yasuhiro Morinaka
  • Patent number: 5292911
    Abstract: Novel monocyclic terpene derivative of the formula: ##STR1## wherein R is hydrogen atom, trimethylsilyl group or 1-ethoxyethyl group, and novel intermediates therefor. The terpene derivative (I) is a useful intermediate for preparing Sarcophytol A having an anti-carcinogenesis promoter activity and an antitumor activity.
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: March 8, 1994
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Hisao Takayanagi, Yasunori Kitano, Yasuhiro Morinaka
  • Patent number: 5273993
    Abstract: Methods of treating chronic arthritis and osteoporosis which utilize both known and novel compounds which would fall under the general formula:(HO)p--A--[--OS(O).sub.2 NR.sup.1 R.sup.2 ].sub.zwherein A encompasses a wide range of values including but not limited to aryl, loweralkyl, cycloalkyl, and carbohydrates including sucrose and fructose; p is equal to the number of unreacted hydroxy groups contained on the molecule and may be zero; z is the number of --OS(O).sub.2 NR.sup.1 R.sup.2 groups and is always at least one; R.sup.1 and R.sup.2 are selected from hydrogen, loweralkyl, carboxy and the like; a novel process for preparing the compounds is provided wherein an appropriate sulfamic acid aryl ester is reacted with a hydroxy substituted A radical which may or may not contain thereon protected carboxyl, amino or hydroxy substituents, in an aprotic solvent containing a tertiary amine base. Pharmaceutical compositions for the treatment of chronic arthritis and osteoporosis are also provided.
    Type: Grant
    Filed: November 19, 1992
    Date of Patent: December 28, 1993
    Assignee: A. H. Robins Company, Incorporated
    Inventors: Young S. Lo, Joseph C. Nolan, William J. Welstead, Jr., David A. Walsh, Dwight A. Shamblee, Ibrahim M. Uwaydah
  • Patent number: 5248828
    Abstract: A method for preparing a sulfone represented by the following formula: ##STR1## wherein R' represents a lower alkyl group, an aryl group or an aryl group whose nucleus has at least one substituent selected from the group consisting of a halogen atom, nitro group, a lower alkyl group, phenyl group and a phenyl group substituted with a halogen atom, or an alkali metal salt thereof. A sulfonic acid ester of 4-hydroxybiphenyl is condensed at a temperature of 0.degree. to 200.degree. C. in a presence of a Lewis acid or a super-strong acid with a sulfonyl chloride represented by the formula R'SO.sub.2 Cl, wherein R' is the same as that defined above.
    Type: Grant
    Filed: June 10, 1992
    Date of Patent: September 28, 1993
    Assignee: Sanko Kaihatsu Kagaku Kenkyusho
    Inventors: Toranosuke Saito, Shigeru Oda, Hiroki Tsunomachi, Daishiro Kishimoto
  • Patent number: 5235084
    Abstract: A method for preparing a sulfone represented by the following formula: ##STR1## wherein R and R' each represent a lower alkyl group, an aryl group or an aryl group whose nucleus has at least one substituent selected from the group consisting of a halogen atom, nitro group, a lower alkyl group, phenyl group and a phenyl group substituted with a halogen atom, comprises the step of condensing a sulfonic acid ester of 4-hydroxybiphenyl represented by the following formula: ##STR2## with a sulfonyl chloride of R'SO.sub.2 Cl at a temperature of 0.degree. to 200.degree. C. in the presence of a Lewis acid or a superstrong acid.
    Type: Grant
    Filed: April 7, 1992
    Date of Patent: August 10, 1993
    Assignee: Sanko Kaihatsu Kagaku Kenkyusho
    Inventors: Toranosuke Saito, Shigeru Oda, Hiroki Tsunomachi, Daishiro Kishimoto
  • Patent number: 5194446
    Abstract: Methods of treating chronic arthritis and osteoporosis which utilize both known and novel compounds which would fall under the general formula:(HO)p--A--[--OS(O).sub.2 NR.sup.1 R.sup.2 ].sub.zwherein A encompasses a wide range of values including but not limited to aryl, loweralkyl, cycloalkyl, and carbohydrates including sucrose and fructose; p is equal to the number of unreacted hydroxy groups contained on the molecule and may be zero; z is the number of --OS(O).sub.2 NR.sup.1 R.sup.2 groups and is always at least one; R.sup.1 and R.sup.2 are selected from hydrogen, loweralkyl, carboxy and the like; a novel process for preparing the compounds is provided wherein an appropriate sulfamic acid aryl ester is reacted with a hydroxy substituted A radical which may or may not contain thereon protected carboxyl, amino or hydroxy substituents, in an aprotic solvent containing a tertiary amine base. Pharmaceutical compositions for the treatment of chronic arthritis and osteoporosis are also provided.
    Type: Grant
    Filed: July 24, 1991
    Date of Patent: March 16, 1993
    Assignee: A. H. Robins Company, Incorporated
    Inventors: Young S. Lo, Joseph C. Nolan, William J. Welstead, Jr., David A. Walsh, Dwight A. Shamblee, Ibrahim M. Uwaydah
  • Patent number: 5192785
    Abstract: Sulfamate esters of the formula(HO).sub.p --A--[OSO.sub.2 NR.sup.1 R.sup.2 ].sub.zwhere A is aryloxyalkyl, p is the number of unreacted hydroxy groups present on the alkyl moiety and may be zero, z is the number of --OS(O).sub.2 NR.sup.1 R.sup.2 groups attached to carbons of the alkyl moiety and is always at least one; R.sup.1 and R.sup.2 are selected from hydrogen, loweralkyl, carboxy, and the like are useful in treating glaucoma.
    Type: Grant
    Filed: June 10, 1991
    Date of Patent: March 9, 1993
    Assignee: A. H. Robins Company, Incorporated
    Inventors: Young S. Lo, Joseph C. Nolan, Dwight A. Shamblee
  • Patent number: 5179212
    Abstract: 3-Pyrrolidinol or its salt is economically produced by cyclizing an aminobutanol derivative of the formula: ##STR1## wherein R is an alkyl or a substituted or unsubstituted phenyl group, or its salt.
    Type: Grant
    Filed: November 30, 1990
    Date of Patent: January 12, 1993
    Assignee: Kanegafuchi Chemical Industry Co., Ltd.
    Inventors: Satomi Takahashi, Shigeo Hayashi, Naoaki Taoka, Noboru Ueyama
  • Patent number: 5142089
    Abstract: Dye corresponding to the following formula - ##STR1## wherein Z represents CN, COOR.sup.1 or CONR.sup.2 R.sup.3 ;R.sup.1, R.sup.2 and R.sup.3 each independently represents hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, or R.sup.2 and R.sup.3 together represent the necessary atoms to close a heterocyclic nucleus or substituted heterocyclic nucleus;Y represents OR.sup.4 or NR.sup.5 R.sup.6 or CN;R.sup.4 represents hydrogen, substituted or unsubstituted or unsubstituted aryl, SO.sub.2 R.sup.7, COR.sup.7, CSR.sup.7, POR.sup.7 R.sup.8 ;R.sup.5 and R.sup.6 each independently has one of the significances given to R.sup.4 or represents substituted or unsubstituted amino, or R.sup.5 and R.sup.6 together represent the necessary atoms to close a heterocyclic nucleus or substituted heterocyclic nucleus, including a heterocyclic nucleus with an aliphatic or aromatic ring fused-on;R.sup.7 and R.sup.
    Type: Grant
    Filed: June 4, 1991
    Date of Patent: August 25, 1992
    Assignee: Agfa-Gevaert, N.V.
    Inventor: Luc J. Vanmaele