Malonates Patents (Class 560/82)
  • Patent number: 9067955
    Abstract: The present invention relates to copper-catalyzed carbon-heteroatom and carbon-carbon bond-forming methods, such as the reaction of Z-X with C(L)(R)(R?)2 in the present of a catalyst and a base, thereby forming C(Z)(R)(R?)2; wherein X represents I, Cl, alkylsulfonate, or arylsulfonate; Z represents optionally substituted aryl, heteroaryl or alkenyl; L represents H or a negative charge; catalyst comprises a copper atom or ion, and a ligand, wherein the ligand is an optionally substituted aryl alcohol, alkyl amine, 1,2-diamine, 1,2-aminoalcohol, 1,2-diol, imidazolium carbene, pyridine, or 1,10-phenanthroline; the ligand is a chelating ligand; and the base represents a Bronsted base; R represents H, optionally substituted alkyl, cycloalkyl, aralkyl, aryl, or heteroaryl; R? represents independently for each occurrence H, alkyl, cycloalkyl, aralkyl, aryl, or heteroaryl, formyl, acyl, —CO2R?, —C(O)N(R)2, sulfonyl, —P(O)(OR?)2, —CN, or —NO2; R? represents independently for each occurrence optionally substituted alky
    Type: Grant
    Filed: May 9, 2006
    Date of Patent: June 30, 2015
    Assignee: Massachusetts Institute of Technology
    Inventors: Stephen L. Buchwald, Artis Klapars, Jon C. Antilla, Gabriel E. Job, Martina Uhlenbrock, Fuk Y. Kwong, Gero Nordmann, Edward J. Hennessy
  • Patent number: 8703991
    Abstract: A method for synthesizing (phenylalkyloxy)phenyl-oxobutanoic acid compounds is described. The corresponding (phenylalkyloxy)acylphenyl compound is halogenated, giving the alpha haloketone. The halide is displaced by the anion of a di-alkyl malonate to give a substituted malonic ester. Hydrolysis of the ester and decarboxylation of the diacid gives the desired product.
    Type: Grant
    Filed: November 3, 2009
    Date of Patent: April 22, 2014
    Assignee: Wellstat Therapeutics Corporation
    Inventors: David D. Wirth, Richard Hudspeth
  • Publication number: 20140066634
    Abstract: Disclosed is a method for the synthesis of 6-iodo-2-oxindole useful as intermediate in the manufacture of pharmaceutically active ingredients. Also disclosed is a novel intermediate used in the synthesis of this compound.
    Type: Application
    Filed: August 29, 2013
    Publication date: March 6, 2014
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Wenjian SHI, Yanli Song, Yuhui Bao, Jun Lu, Yao Huang, Dirk Weber
  • Publication number: 20130035431
    Abstract: Provided are compounds of the formula: wherein m=0-3 and n=0-3, and R1 represents CxH2x wherein x=0 to 4 or cyclohexane; R2 represents H, a C1-C6 alkyl group at any of the ortho-, meta- or para-positions, a residue including heteroatoms chosen from O, N, and S, or mixtures thereof; and R3 and R4 represent hydrocarbon residues of OXO-C5-C9 alcohols which are different isomers of equal carbon number or different in carbon number. Also provided are processes for making the compounds and plasticized polymer compositions containing said compounds.
    Type: Application
    Filed: August 5, 2011
    Publication date: February 7, 2013
    Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Jihad Mohammed Dakka, Stephen Zushma, Christine A. Costello, Edmund John Mozeleski, Diana S. Smirnova, Allen David Godwin, Pierre J. Osterrieth, Jörg Friedrich Wilhelm Weber, Paul Hamden Daniels, Thomas M. Larson, Catherine A. Faler
  • Patent number: 8367747
    Abstract: Novel bioabsorbable and/or biocompatible polyurethanes, polyureas, polyamideurethanes and polyureaurethanes with tunable physical, mechanical properties and hydrolytic degradation profiles are provided for use in biomedical applications such as stents, stent coatings, scaffolds, foams, and films. The disclosed polymers may be derived from biocompatible and/or bioabsorbable polyisocyanates. The present invention also relates to new and improved methods for the preparation of the biocompatible and/or bioabsorbable polyisocyanates.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: February 5, 2013
    Assignee: Bezwada Biomedical, LLC
    Inventor: Rao S. Bezwada
  • Patent number: 8338635
    Abstract: A method for hydrolyzing an ester is provided. In accordance with the method, a compound A is provided which has first and second ester moieties. The compound is reacted in a liquid medium with a base having the formula MaXb, such that the first ester moiety is converted to a carboxyl moiety and the second ester moiety remains, wherein the ratio [Xk?]:[A] in the liquid medium is no greater than 1.6, and wherein k>0.
    Type: Grant
    Filed: May 30, 2008
    Date of Patent: December 25, 2012
    Assignee: Satomi Niwayama
    Inventor: Satomi Niwayama
  • Patent number: 8044228
    Abstract: This invention relates to liquid crystal compositions, and polymer networks and articles comprising the compositions. The compositions comprise at least one compound of the group of compounds represented by the structures of each of the following Formulas (IV), (V) and (VI), as defined herein. A process for making the composition is also provided.
    Type: Grant
    Filed: June 8, 2009
    Date of Patent: October 25, 2011
    Assignee: E.I. du Pont de Nemours and Company
    Inventor: Marc B. Goldfinger
  • Patent number: 7879256
    Abstract: The invention relates to compounds of Formula (I): The invention further relates to liquid crystal compositions comprising compounds of Formula (I); compositions further comprising one or more chiral compounds; and polymer networks derived from the polymerization of the liquid crystal compositions. Another embodiment relates to processes for providing compounds of Formula (I).
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: February 1, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Marc B. Goldfinger, Jose Manuel Rodriguez-Parada, Lee A. Silverman, Kai Qi
  • Patent number: 7842410
    Abstract: A solid acid including a carbon nanotube (CNT), a spacer group combined with the CNT and an ionically conductive functional group connected to the spacer group. A polymer electrolyte membrane may include the same composition, and may be used in a fuel cell. The polymer electrolyte membrane using the solid acid has excellent ionic conductivity and suppresses the cross-over of methanol. The polymer electrolyte membrane is used as an electrolyte membrane of a fuel cell, for example, a direct methanol fuel cell.
    Type: Grant
    Filed: October 4, 2006
    Date of Patent: November 30, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin-gyu Lee, Sang-kook Mah, Myung-sup Jung, Young-gyoon Ryu, Jae-jun Lee, Do-yun Kim
  • Patent number: 7671230
    Abstract: This invention provides improved methods for the derivatization and solubilization of fullerenes, which are particularly useful for those fullerenes that are normally insoluble and which are specifically applied, among others, to endohedral fullerenes, including endohedral metallofullerenes; empty fullerenes, including small-bandgap fullerenes and other insoluble fullerenes and to very high molecular weight fullerenic materials generated in fullerenic soot, including giant fullerenes, fullerenic polymers, carbon nanotubes and metal-carbon nanoencapsulates. More specifically the invention relates to improved methods for cyclopropanation of fullerenes. Specific reaction conditions are provided which allow for cyclopropanation reactions to be successfully performed for the first time on insoluble classes of fullerenes.
    Type: Grant
    Filed: October 1, 2002
    Date of Patent: March 2, 2010
    Assignee: TDA Research, Inc.
    Inventors: Robert D. Bolskar, J. Michael Alford
  • Publication number: 20090137819
    Abstract: The present invention provides a method of producing a compound (IIa) or a compound (IIb), provides a method of producing a compound (IIIa) or a compound (IIIb), provides a method of producing a compound (Va) or its salt or a compound (Vb) or its salt, provides a method of producing a compound (IIIa) or a compound (IIIb), further, provides a method of producing a compound (Va) or its salt or a compound (Vb) or its salt including these production methods.
    Type: Application
    Filed: December 8, 2006
    Publication date: May 28, 2009
    Inventors: Junichi Yasuoka, Shoji Fukuyo, Tetsuya Ikemoto
  • Publication number: 20090131708
    Abstract: A process for preparing substituted phenylmalonic esters of the formula I in which R is alkyl and Q is halogen, alkyl, alkoxy, haloalkyl or haloalkoxy and the index m is an integer from 1 to 5 comprising steps A) and B): A) halogenation of compounds of the formula II, in which the variables are as defined for formula I, to give compounds of the formula III, B) hydrodechlorination of the compounds of the formula III to give substituted phenylmalonic esters of the formula I; novel phenylmalonic ester derivatives, and also their use as intermediates.
    Type: Application
    Filed: June 23, 2006
    Publication date: May 21, 2009
    Applicant: BASF Aktiengesellschaft
    Inventor: Norbert GOTZ
  • Patent number: 7507764
    Abstract: Herein are disclosed substituted fullerenes, comprising a fullerene core (Cn), wherein n is an even integer greater than or equal to 60; 3 or 5 dihydrocarbylmalonate (>C(COOR1)(COOR2)) groups bonded to the fullerene core; and 1 or 3 polar extended malonate groups (>C(COOR3)(COOR4)) bonded to the fullerene core. The substituted fullerenes can form micelles, and can be used to ameliorate oxidative stress diseases.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: March 24, 2009
    Assignee: Tego BioSciences Corporation
    Inventor: Andreas Hirsch
  • Publication number: 20090030200
    Abstract: Disclosed is a process of preparing an optically active allyl compound comprising asymmetrically coupling an allyl compound with an organic nucleophilic compound in the presence of a catalyst. The catalyst is preferably a transition metal complex compound having a phosphine ligand. The phosphine ligand is preferably a 2,3-bis(dialkylphosphino)pyrazine derivative. The pyrazine derivative is preferably a quinoxaline derivative. The transition metal is preferably palladium.
    Type: Application
    Filed: July 24, 2008
    Publication date: January 29, 2009
    Applicants: NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY, NIPPON CHEMICAL INDUSTRIAL CO., LTD.
    Inventors: Tsuneo IMAMOTO, Kazuhiro YOSHIDA, Miwako NISHIMURA, Aya KOIDE
  • Publication number: 20080200675
    Abstract: A process for preparing substituted phenylmalonic esters of the formula in which R is alkyl and Q is halogen, alkyl, alkoxy, haloalkyl or haloalkoxy and the index m is an integer from 1 to 5, where the groups Q can be identical or different if the index m is greater than 1, comprising steps A), B) and C): A) reaction of compounds of the formula II, in which the variables are as defined for formula I to give compounds of the formula III, B) conversion of the compounds of the formula III into ketals of the formula IV in which R? is C1-C4-alkyl or benzyl, C) hydrolysis of the compounds of the formula IV to give compounds of the formula I; novel phenylmalonic ester derivatives, and their use as intermediates.
    Type: Application
    Filed: June 23, 2006
    Publication date: August 21, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Norbert Gotz, Volker Maywald, Michael Keil
  • Patent number: 7411084
    Abstract: The present invention relates to a method of preparing a phenoxy alkanoic, alkenoic, or alkynoic acid or a salt thereof from a phenoxy containing compound via a dicarboxylate intermediate. The phenoxy alkanoic, alkenoic, and alkynoic acids and salts thereof prepared by this method are suitable for use in composition for delivering active agents via oral or other routes of administration to animals. Furthermore, the present invention relates to phenoxy dicarboxylic acids and their salts for delivering active agents, such as biologically or chemically active agents, to a target.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: August 12, 2008
    Assignee: Emisphere Technologies, Inc.
    Inventor: Joseph N. Bernadino
  • Publication number: 20080103049
    Abstract: The present invention relates to benzoyl-substituted serineamides of the formula I in which the variables Het and R1 to R10 are as defined in the description, and to their agriculturally useful salts, to processes and intermediates for their preparation, and to the use of these compounds or of the compositions comprising these compounds for controlling unwanted plants.
    Type: Application
    Filed: September 14, 2005
    Publication date: May 1, 2008
    Applicant: BSDG Aktiengesellschaft
    Inventors: Matthias Witschel, Frank Stelzer, Toralf Kuhn, Liliana Parra Rapado, Eike Hupe, Cyrill Zagar, Robert Reinhard, Bernd Sievernich, Thomas Ehrhardt
  • Patent number: 7208621
    Abstract: A novel monomethyl malonate derivative is represented by following Formula (I): wherein X is a halogen atom; and Me is methyl group. This compound can be prepared by the steps of (A) reacting a benzyl halide derivative represented by following Formula (II): wherein X and Y may be the same as or different from each other and are each a halogen atom, with dimethyl malonate in the presence of a base to yield a dimethyl malonate derivative represented by following Formula (III): wherein X and Me have the same meanings as defined above; and (B) hydrolyzing the dimethyl malonate derivative of Formula (III). The compound is useful in the production of an indanonecarboxylic acid ester having a halogen atom on the indanone ring.
    Type: Grant
    Filed: July 14, 2006
    Date of Patent: April 24, 2007
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Satoru Nose, Kieko Sano, Takeshi Hamatani
  • Patent number: 7109369
    Abstract: A novel monomethyl malonate derivative is represented by following Formula (I): wherein X is a halogen atom; and Me is methyl group. This compound can be prepared by the steps of (A) reacting a benzyl halide derivative represented by following Formula (II): wherein X and Y may be the same as or different from each other and are each a halogen atom, with dimethyl malonate in the presence of a base to yield a dimethyl malonate derivative represented by following Formula (III): wherein X and Me have the same meanings as defined above; and (B) hydrolyzing the dimethyl malonate derivative of Formula (III). The compound is useful in the production of an indanonecarboxylic acid ester having a halogen atom on the indanone ring.
    Type: Grant
    Filed: November 1, 2004
    Date of Patent: September 19, 2006
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Satoru Nose, Kieko Sano, Takeshi Hamatani
  • Patent number: 7094894
    Abstract: Disclosed are a method for producing fungicidal triazolopyrimidine compounds, agents containing said compounds, and the use thereof for controlling harmful fungi. Also disclosed are triazolopyrimidines of formula (I), in which the substituents have the following meaning: L1 represents alkyl; L2 represents halogen; L3represents hydrogen or halogen; X represents halogen, cyano, alkyl, alkoxy, or haloalkoxy; R1, R2 represent hydrogen, alkyl, haloalkyl, cycloalkyl, alkenyl, alkadienyl, alkinyl, or cycloalkinyl, phenyl, naphthyl, or a five-unit to ten-unit saturated, partially unsaturated, or aromatic heterocycle containing one to four heteroatoms from the group O, N, or S, R1 and R2 can also form a five-unit or six-unit ring along with the nitrogen atom to which they are linked. Said ring can be interrupted and/or substituted by an atom from the group O, N, and S while R1 and/or R2 can be substituted according to the description.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: August 22, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Jordi Tormo i Blasco, Carsten Blettner, Bernd Müller, Markus Gewehr, Wassilios Grammenos, Thomas Grote, Andreas Gypser, Joachim Rheinheimer, Peter Schäfer, Frank Schieweck, Anja Schwögler, Eberhard Ammermann, Siegfried Strathmann, Gisela Lorenz, Reinhard Stierl
  • Patent number: 7038047
    Abstract: Substituted 6-(2-methoxy-phenyl)-triazolopyrimidines of formula I in which R1 and R2 independently denote hydrogen or alkyl, alkenyl, alkynyl, or alkadienyl, haloalkyl, haloalkenyl, cycloalkyl, phenyl, naphthyl, or 5- or 6-membered heterocyclyl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, or 5- or 6-membered heteroaryl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, or where R1 and R2 radicals may be unsubstituted or substituted as defined in the description, or R1 and R2 together with the interjacent nitrogen atom represent a 5- or 6-membered heterocyclic ring, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, which may be substituted; L1, L2 independently denote hydrogen or halogen, provided that at least one from L1 or L2 is halogen; X is halogen, cyano, alkyl, alkoxy, haloalkoxy or alkenyloxy; processes for their preparation, compositi
    Type: Grant
    Filed: July 8, 2002
    Date of Patent: May 2, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Jordi Tormo i Blasco, Hubert Sauter, Bernd Müller, Markus Gewehr, Wassilios Grammenos, Thomas Grote, Andreas Gypser, Joachim Rheinheimer, Ingo Rose, Peter Schäfer, Frank Schieweck, Michael Rack, Eberhard Ammermann, Siegfried Strathmann, Gisela Lorenz, Reinhard Stierl
  • Patent number: 6867310
    Abstract: The present invention provides transition-metal-catalyst-based methods for the arylation and vinylation of activated methyl, methylene, and methine carbons with aryl halides, vinyl halides, and the like. The methods of the invention provide several improvements over existing methods, including the ability to synthesize efficiently and under mild conditions ?-aryl and ?-vinyl products from a wide range of starting materials, including ketones, esters, hydrazones, and imines. Furthermore, the methods of the invention may be used in an asymmetric sense, i.e. to produce enantiomerically-enriched chiral ?-aryl and ?-vinyl products.
    Type: Grant
    Filed: January 27, 1999
    Date of Patent: March 15, 2005
    Assignee: Massachusetts Institute of Technology
    Inventors: Stephen L. Buchwald, John P. Wolfe, Jens Ahman, Malisa Troutman, Michael Palucki, Ken Kamikawa, Andre Chieffi
  • Patent number: 6759548
    Abstract: The present invention relates to new compounds of the formula (I) in which X represents alkyl, Y represents halogen or alkyl and Z represents halogen or alkyl, with the proviso that one of the radicals Y and Z always represents halogen and the other alkyl, Het represents one of the groups in which A, B, D and G have the meanings given in the description, a plurality of processes for their preparation and their use as pesticides and herbicides.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: July 6, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Thomas Bretschneider, Hermann Hagemann, Folker Lieb, Michael Ruther, Arno Widdig, Peter Dahmen, Markus Dollinger, Christoph Erdelen, Hans-Joachim Santel, Ulrike Wachendorff-Neumann, Alan Graff, Wolfram Andersch
  • Patent number: 6613934
    Abstract: The invention relates to enantiomerically enriched malonic acid monoesters &agr;-monosubstituted by a tertiary hydrocarbon radical, or their salts, of the general formula I: in which R1, R3, R4 and R5 are identical or different hydrocarbon radicals, and wherein any two of the radicals R3, R4 and R5 may alternatively be present as a carbocyclic ring together with the quaternary carbon atom which they substitute, and M is hydrogen, one equivalent of a metal or an optionally substituted ammonium ion. The invention further relates to a process for the preparation of the enantiomerically enriched &agr;-monosubstituted malonic acid monoesters, or their salts, by enzymatic partial hydrolysis of the corresponding diesters.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: September 2, 2003
    Assignee: Degussa AG
    Inventors: Udo Jegelka, Wolfgang Kleemiss, Bruno Klotz-Berendes, Marcel Feld
  • Patent number: 6555287
    Abstract: An improved light attenuating compound for use in the production of microdevices is provided. Broadly, the light attenuating compound is difunctional and can be directly incorporated (either physically or chemically) into photolithographic compositions such as anti-reflective coatings (ARC) and contact or via hole fill materials. The preferred light attenuating compound comprises functional groups electronically isolated from the light absorbing moieties of the compound. As a result, the spectral properties of the compound are not negatively affected when the functional groups form bonds with other compounds during polymerization or crosslinking.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: April 29, 2003
    Assignee: Brewer Science, Inc.
    Inventor: Shreeram V. Deshpande
  • Patent number: 6541655
    Abstract: Complexes of a selected class of chiral ligands with molybdenum, tungsten or chromium, preferably molybdenum, are effective as catalysts in highly enantioselective and regioselective alkylation of allylic substrates.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: April 1, 2003
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Barry M. Trost, Iwao Hachiya
  • Patent number: 6538153
    Abstract: A method for synthesizing compounds of the formula where C60 is a C60 fullerene.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: March 25, 2003
    Assignee: C Sixty Inc.
    Inventors: Andreas Hirsch, Uwe Reuther
  • Patent number: 6395921
    Abstract: [Bis-(trifluoromethyl)-phenyl]-acetic acids are obtained in an advantageous manner by reacting an appropriate bromo- or iodo-bis-(trifluoromethyl)-benzene with a di-C1-C4-alkyl malonate in the presence of a deprotonating agent and a copper salt and hydrolysing and decarboxylating the reaction product in basic medium. It is possible to obtain a mixture of alkyl [bis-(trifluoromethyl)-phenyl]-acetate and alkyl [bis-(tri-fluoromethyl)-phenyl]-malonate by admixing the reaction mixture which is present before hydrolysis and complete decarboxylation with water and acid and heating. From the mixture, it is possible to obtain alkyl [bis-(trifluoromethyl)-phenyl]-acetate by distillation under reduced pressure and dialkyl [bis-(trifluoromethyl)-phenyl]-malonate by work-up by column chromatography, fractional distillation or film distillation. [Bis-(trifluoromethyl)-phenyl]-malonic esters are novel compounds.
    Type: Grant
    Filed: August 9, 2000
    Date of Patent: May 28, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Albrecht Marhold, Jörn Stölting
  • Patent number: 6307090
    Abstract: The invention relates to an acylated peptide, namely a compound of formula (I), wherein n is 0 to 15, X is oxalyl PTI is the bivalent radical of tyrosine or (preferably) the bivalent radical of phosphotyrosine or a phosphotyrosine mimetic, AA stands for a bivalent radical of a natural or unnatural amino acid, and Y is secondary amino group, or a salt thereof, said compound being useful for the treatment of diseases that respond to inhibition of the interaction of (a) protein(s) comprising (an) SH2 domain(s) and a protein tyrosine kinase or a modified version thereof.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: October 23, 2001
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Terrence R. Burke, Jr., Zhu-jun Yao, C. Richter King
  • Patent number: 6165680
    Abstract: A dissolution inhibitor for use in a chemically amplified photoresist, and a chemically amplified photoresist composition containing the same are provided. The dissolution inhibitor is a compound in which an acid-labile di-alkylmalonate group is combined as a functional group with a C.sub.1 to C.sub.20 hydrocarbon. The chemically amplified photoresist composition containing the dissolution inhibitor has a high contrast and high thermal decomposition temperature, making it suitable for forming a fine pattern having excellent profile.
    Type: Grant
    Filed: January 21, 1999
    Date of Patent: December 26, 2000
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Sang-jun Choi
  • Patent number: 6156925
    Abstract: A process for the preparation of dialkyl phenylmalonates of formula I, ##STR1## wherein R, R.sup.1, L.sup.1 and L.sup.2 have the meaning given in the claims which comprises treating an phenylbromide of formula II ##STR2## with a dialkyl malonate of formula III ##STR3## in an inert solvent in the presence of a base and a copper salt, wherein 1.0 mole of the phenylbromide of formula II is treated with the enolate obtained from 2.0 to 4.0 moles of the dialkyl malonate of formula III and 2.0 to 3.8 moles of the base.
    Type: Grant
    Filed: September 24, 1999
    Date of Patent: December 5, 2000
    Assignee: American Cyanamid Company
    Inventors: Oliver Meyer, Rudi Eisenacht
  • Patent number: 6072073
    Abstract: The invention is directed to a process for preparing an alpha-arylated or vinylated carbonyl-containing compounds, comprising reacting a compound having a carbonyl group with an arylating or vinylating compound in the presence of a base and a transition metal catalyst. The transition metal catalyst has the formula X.sub.n M(ER.sub.1-4).sub.m, wherein X is an optional ligand, M is a group 8 transition metal, E is an element bearing a nonbonding electron pair when E is not bonded to the metal, and R is a substituent bonded to E through a carbon, nitrogen, oxygen, or sulfur atom, with the proviso that R.sub.3 cannot contain 3 aryl groups, n is an integer from 0 to 4, and m is an integer from 1-4. The process of the invention is useful for preparation of alpha-arylated or vinylated carbonyl-containing compounds which are significant in the development of pharmacologically active compounds and polymers and oligomers.
    Type: Grant
    Filed: August 18, 1999
    Date of Patent: June 6, 2000
    Assignee: Yale University
    Inventors: Motoi Kawatsura, John F. Hartwig
  • Patent number: 5777152
    Abstract: 2-Aryl-2-chloramalonic diester is prepared by reacting 2-arylmalonic diesters with aqueous hypochlorite in the presence of an inert solubilizer at pH 8 to 14.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: July 7, 1998
    Assignee: Huels Aktiengesellschaft
    Inventors: Christoph Theis, Radu Bordeianu, Wilfried Latz
  • Patent number: 5756815
    Abstract: A process for the preparation of dialkyl arylmalonates of formula I, ##STR1## comprises treating an arylmethlhalide of formula II ##STR2## with magnesium in an inert solvent, and a dialkyl carbonate or an alkyl chloroformate. A and R are as defined. The process is useful in the preparation of intermediate agro or pharmaceutical chemicals, or liquid crystals.
    Type: Grant
    Filed: March 18, 1997
    Date of Patent: May 26, 1998
    Assignee: American Cyanamid Company
    Inventor: Marcus Knell
  • Patent number: 5750766
    Abstract: An effective and efficient process for the preparation of dialkyl arylmalonates of formula I, ##STR1## (ring A and R are defined in the specification). In this process, an arylmethylhalide of formula II ##STR2## is treated with magnesium in an inert solvent, the resulting Grignard reagent is treated with a dialkyl carbonate or an alkyl chloroformiate, and the resulting reaction mixture is treated with a base.
    Type: Grant
    Filed: March 18, 1997
    Date of Patent: May 12, 1998
    Assignee: American Cyanamid Company
    Inventors: Guenter Krummel, Marcus Knell
  • Patent number: 5688992
    Abstract: The present invention relates to non-phosphorus containing O-malonyltryrosyl compounds, derivatives thereof, uses of the O-malonyltryrosyl compounds in the synthesis of peptides, and O-malonyltryrosyl compound-containing peptides. The O-malonyltyrosyl malonyltyrosyl compounds and O-malonyltryrosyl compound-containing peptides of the present invention are uniquely stable to phosphotases, capable of crossing cell membranes, suitable for application to peptide synthesis of O-malonyltryrosyl compound-containing peptides, and amenable to prodrag defivatization for delivery into cells. The present invention also provides for O-malonyltryrosyl compound-containing peptides which exhibit inhibitory potency against binding interactions of receptor domains with phosphotyrosyl-containing peptide ligands.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: November 18, 1997
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Terrence R. Burke, Jr., Bin Ye, Miki Akamatsu, Hemanta K. Kole, Xinjian Yan, Peter R. Roller
  • Patent number: 5618907
    Abstract: The yield of fully substituted, multidimensional aromatic hubs in the condensation of hydroxyl and acid halide functionalities is improved by adding a thallium catalyst, such as thallium ethoxide (Tl--OC.sub.2 H.sub.5), in the solvent.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: April 8, 1997
    Assignee: The Boeing Company
    Inventors: Hyman R. Lubowitz, Clyde H. Sheppard, Ronald R. Stephenson
  • Patent number: 5508025
    Abstract: The invention relates to UV absorbers and cosmetic compositions containing a naphthalenemethylenemalonic diester represented by the following formula (1): ##STR1## wherein NAP represents a naphthalene group which may optionally have a substituent, and R.sup.1 and R.sup.2 each independently represent a hydrocarbon group, an alkoxyalkyl group, or an alkoxyalkylenoxyalkyl group. The UV absorbers and the cosmetic compositions of the invention exhibit excellent ultraviolet ray absorbing action, and are stable to light.
    Type: Grant
    Filed: December 23, 1994
    Date of Patent: April 16, 1996
    Assignee: Kao Corporation
    Inventors: Masahide Hoshino, Mitsuru Sugiyama, Akira Kawamata, Hiroko Joukura, Genji Imokawa
  • Patent number: 5478964
    Abstract: The invention describes N-fluorosulfonimides which are useful as fluorinating agents. The N-fluorosulfonimides are stable, easily synthesized, and allow the introduction of fluorine into organic compounds under mild conditions.
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: December 26, 1995
    Assignee: Allied-Signal Inc.
    Inventor: Edmond Differding
  • Patent number: 5463020
    Abstract: Polytetrahydrofuran or C.sub.2 -C.sub.10 -alkylene oxide/tetrahydrofuran copolymers having a molecular weight of from 250 to 20,000 Dalton are prepared by the cationic polymerization of tetrahydrofuran or tetrahydrofuran and C.sub.2 -C.sub.10 -alkylene oxides in the prsence of a promoter by a process in which the catalyst used is a mixture of one or more C.sub.2 -C.sub.6 -di- or tricarboxylic acids with boric acid.
    Type: Grant
    Filed: June 30, 1994
    Date of Patent: October 31, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Becker, Michael Huellmann, Christof Palm, Wolfgang Franzischka
  • Patent number: 5442093
    Abstract: Disclosed is a process for preparing compounds of the formula I ##STR1## wherein R is C.sub.1 -C.sub.6 alkyl, comprising heating a mixture of a difluorobenzene derivative, allene, a dialkyl malonate of the formula CH.sub.2 (CO.sub.2 R).sub.2, wherein R is C.sub.1 -C.sub.6 alkyl, and a base, in a polar organic solvent in the presence of a catalyst.
    Type: Grant
    Filed: May 9, 1994
    Date of Patent: August 15, 1995
    Assignee: Schering Corporation
    Inventor: Anantha Sudhakar
  • Patent number: 5391811
    Abstract: .alpha.-fluoro-.beta.-dicarbonyl compounds are prepared by reacting a halogenated dicarbonyl compound at temperatures of 20.degree. to 100.degree. C. with an addition product of hydrogen fluoride and a trialkylamine. This process is easy to carry out in technical terms and can also be carried out on a large scale.
    Type: Grant
    Filed: November 3, 1993
    Date of Patent: February 21, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Stefan Bohm, Albrecht Marhold
  • Patent number: 5312999
    Abstract: Propoxybenzene derivatives represented by the following formula ##STR1## wherein Ra represents a nitro group, an amino group which may have a protecting group or an --NHCH.dbd.C(COO--C.sub.1-6 -Alkyl).sub.2 group, Rb represents a hydrogen atom, a protecting group for the hydroxyl group or a substituted sulfonyl group and Xa and Xb, which may be the same or different, each represents a halogen atom, and processes for preparation thereof are disclosed. These derivatives are useful in preparing antibacterial agents.
    Type: Grant
    Filed: March 2, 1992
    Date of Patent: May 17, 1994
    Assignee: Daiichi Seiyaku Co., Ltd.
    Inventors: Toshihiro Fujiwara, Tutomu Ebata
  • Patent number: 5288750
    Type: Grant
    Filed: January 31, 1991
    Date of Patent: February 22, 1994
    Assignee: Orion-yhtyma Oy
    Inventors: Pentti Pohto, Paivi A. Aho, Reijo J. Backstrom, Erkki J. Honkanen, Inge-Britt Y. Linden, Erkki A. O. Nissinen
  • Patent number: 5102886
    Abstract: This invention relates to 1'-aminospiro[isoquinoline-4(1H),3'-pyrrolidine]-1,2',3,5'(2H)-tetrones of structural formula (I) ##STR1## wherein: R.sup.1 and R.sup.2 are independently hydrogen, alkyl containing 1 to 6 carbon atoms, halogen, lower alkoxy containing 1 to 6 carbon atoms, trifluoromethyl, nitro, aryl or aryl(lower alkyl)oxy wherein aryl contains 6 to 10 carbon atoms and lower alkyl contains 1 to 6 carbon atoms;R.sup.3 is lower alkyl containing 1 to 6 carbon atoms, aryl, aryl(lower alkyl) or dihalogen substituted aryl (lower alkyl) wherein aryl contains 6 to 10 carbon atoms and lower alkyl contains 1 to 6 carbon atoms;R.sup.4 and R.sup.
    Type: Grant
    Filed: October 12, 1990
    Date of Patent: April 7, 1992
    Assignee: American Home Products Corporation
    Inventor: Michael S. Malamas
  • Patent number: 5093496
    Abstract: This invention relates to spiro-isoquinoline-pyrrolidines and their pharmaceutically acceptable salts thereof, to processes for their preparation, to methods for using the compounds, and to pharmaceutical preparations thereof. The compounds have pharmaceutical properties which render them beneificial for the prevention or treatment of diabetes mellitus associated complications.
    Type: Grant
    Filed: April 4, 1991
    Date of Patent: March 3, 1992
    Assignee: American Home Products Corporation
    Inventor: Michael S. Malamas
  • Patent number: 4828764
    Abstract: N-fluoro-N-perfluoromethyl sulfonamide compounds are provided as fluorinating agents for the fluorination of organic compounds by either the direct electrophilic fluorination of organic compounds or by the fluorination of organic compound carbanions.
    Type: Grant
    Filed: June 18, 1987
    Date of Patent: May 9, 1989
    Assignee: Research Corporation
    Inventor: Darryl D. DesMarteau
  • Patent number: 4829099
    Abstract: Metabolically-acceptable, surgical adhesives are prepared from polyisocyanates having the structral formula: ##STR1## wherein R is a polyvalent aliphatic radical of about 1 to 10 carbon atoms or a polyvalent aromatic radical of 6 to about 24 carbon atoms;A is C, S or P;Z is O or S;Y is 1 when A is C or P, and 2 when A is S;n is 1 or 2;p is at least 1;q is 0 or 1, with the proviso that when A is carbon or sulfur, q is 0;r is 0 or 1, with the proviso that when A is carbon or sulfur, r is 0;X is a residue of an organic compound having active hydrogen-containing groups; andX' is a residue of an organic compound having at least 1 active hydrogen-containing group.
    Type: Grant
    Filed: July 17, 1987
    Date of Patent: May 9, 1989
    Assignee: Bioresearch, Inc.
    Inventors: William D. Fuller, Robert K. Blair, Murray Goodman
  • Patent number: 4808747
    Abstract: Alkylidene compounds and arylidene compounds are prepared by reacting the corresponding CH-acidic compounds with carbonyl compounds in the presence of a catalyst comprising a metal compound of a metal of Groups IIA, IIIA, IVA, IB, IIB, VIB, VIIB, or VIIIB of the periodic table of elements. The rate of reaction is increased by adding 1 to 40% water referred to the weight of catalyst used.
    Type: Grant
    Filed: March 14, 1985
    Date of Patent: February 28, 1989
    Assignee: Huls AG
    Inventor: Walter K. Homann
  • Patent number: 4766141
    Abstract: Spiro-succinimides are disclosed which are useful as aldose reductase inhibitors and as therapeutic agents for the treatment of complications arising from diabetes. Pharmaceutical compositions containing the spiro- compounds and a method of treating diabetic complications are also disclosed.
    Type: Grant
    Filed: October 14, 1987
    Date of Patent: August 23, 1988
    Assignee: Pfizer Inc.
    Inventor: Christopher A. Lipinski