Malonates Patents (Class 560/82)
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Patent number: 9067955Abstract: 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 alkyType: GrantFiled: May 9, 2006Date of Patent: June 30, 2015Assignee: Massachusetts Institute of TechnologyInventors: Stephen L. Buchwald, Artis Klapars, Jon C. Antilla, Gabriel E. Job, Martina Uhlenbrock, Fuk Y. Kwong, Gero Nordmann, Edward J. Hennessy
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Patent number: 8703991Abstract: 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: GrantFiled: November 3, 2009Date of Patent: April 22, 2014Assignee: Wellstat Therapeutics CorporationInventors: David D. Wirth, Richard Hudspeth
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Publication number: 20140066634Abstract: 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: ApplicationFiled: August 29, 2013Publication date: March 6, 2014Applicant: Boehringer Ingelheim International GmbHInventors: Wenjian SHI, Yanli Song, Yuhui Bao, Jun Lu, Yao Huang, Dirk Weber
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Publication number: 20130035431Abstract: 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: ApplicationFiled: August 5, 2011Publication date: February 7, 2013Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: 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
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Patent number: 8367747Abstract: 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: GrantFiled: May 22, 2009Date of Patent: February 5, 2013Assignee: Bezwada Biomedical, LLCInventor: Rao S. Bezwada
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Patent number: 8338635Abstract: 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: GrantFiled: May 30, 2008Date of Patent: December 25, 2012Assignee: Satomi NiwayamaInventor: Satomi Niwayama
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Patent number: 8044228Abstract: 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: GrantFiled: June 8, 2009Date of Patent: October 25, 2011Assignee: E.I. du Pont de Nemours and CompanyInventor: Marc B. Goldfinger
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Patent number: 7879256Abstract: 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: GrantFiled: March 30, 2007Date of Patent: February 1, 2011Assignee: E. I. du Pont de Nemours and CompanyInventors: Marc B. Goldfinger, Jose Manuel Rodriguez-Parada, Lee A. Silverman, Kai Qi
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Patent number: 7842410Abstract: 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: GrantFiled: October 4, 2006Date of Patent: November 30, 2010Assignee: Samsung SDI Co., Ltd.Inventors: Jin-gyu Lee, Sang-kook Mah, Myung-sup Jung, Young-gyoon Ryu, Jae-jun Lee, Do-yun Kim
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Patent number: 7671230Abstract: 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: GrantFiled: October 1, 2002Date of Patent: March 2, 2010Assignee: TDA Research, Inc.Inventors: Robert D. Bolskar, J. Michael Alford
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Publication number: 20090137819Abstract: 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: ApplicationFiled: December 8, 2006Publication date: May 28, 2009Inventors: Junichi Yasuoka, Shoji Fukuyo, Tetsuya Ikemoto
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Publication number: 20090131708Abstract: 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: ApplicationFiled: June 23, 2006Publication date: May 21, 2009Applicant: BASF AktiengesellschaftInventor: Norbert GOTZ
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Patent number: 7507764Abstract: 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: GrantFiled: October 13, 2004Date of Patent: March 24, 2009Assignee: Tego BioSciences CorporationInventor: Andreas Hirsch
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Publication number: 20090030200Abstract: 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: ApplicationFiled: July 24, 2008Publication date: January 29, 2009Applicants: NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY, NIPPON CHEMICAL INDUSTRIAL CO., LTD.Inventors: Tsuneo IMAMOTO, Kazuhiro YOSHIDA, Miwako NISHIMURA, Aya KOIDE
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Publication number: 20080200675Abstract: 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: ApplicationFiled: June 23, 2006Publication date: August 21, 2008Applicant: BASF AktiengesellschaftInventors: Norbert Gotz, Volker Maywald, Michael Keil
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Patent number: 7411084Abstract: 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: GrantFiled: September 26, 2002Date of Patent: August 12, 2008Assignee: Emisphere Technologies, Inc.Inventor: Joseph N. Bernadino
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Publication number: 20080103049Abstract: 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: ApplicationFiled: September 14, 2005Publication date: May 1, 2008Applicant: BSDG AktiengesellschaftInventors: Matthias Witschel, Frank Stelzer, Toralf Kuhn, Liliana Parra Rapado, Eike Hupe, Cyrill Zagar, Robert Reinhard, Bernd Sievernich, Thomas Ehrhardt
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Patent number: 7208621Abstract: 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: GrantFiled: July 14, 2006Date of Patent: April 24, 2007Assignee: Daicel Chemical Industries, Ltd.Inventors: Satoru Nose, Kieko Sano, Takeshi Hamatani
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Patent number: 7109369Abstract: 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: GrantFiled: November 1, 2004Date of Patent: September 19, 2006Assignee: Daicel Chemical Industries, Ltd.Inventors: Satoru Nose, Kieko Sano, Takeshi Hamatani
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Patent number: 7094894Abstract: 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: GrantFiled: April 30, 2003Date of Patent: August 22, 2006Assignee: BASF AktiengesellschaftInventors: 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
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Patent number: 7038047Abstract: 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, compositiType: GrantFiled: July 8, 2002Date of Patent: May 2, 2006Assignee: BASF AktiengesellschaftInventors: 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
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Patent number: 6867310Abstract: 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: GrantFiled: January 27, 1999Date of Patent: March 15, 2005Assignee: Massachusetts Institute of TechnologyInventors: Stephen L. Buchwald, John P. Wolfe, Jens Ahman, Malisa Troutman, Michael Palucki, Ken Kamikawa, Andre Chieffi
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Patent number: 6759548Abstract: 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: GrantFiled: July 18, 2002Date of Patent: July 6, 2004Assignee: Bayer AktiengesellschaftInventors: 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
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Patent number: 6613934Abstract: 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: GrantFiled: June 10, 1997Date of Patent: September 2, 2003Assignee: Degussa AGInventors: Udo Jegelka, Wolfgang Kleemiss, Bruno Klotz-Berendes, Marcel Feld
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Patent number: 6555287Abstract: 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: GrantFiled: October 10, 2000Date of Patent: April 29, 2003Assignee: Brewer Science, Inc.Inventor: Shreeram V. Deshpande
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Patent number: 6541655Abstract: 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: GrantFiled: September 7, 2001Date of Patent: April 1, 2003Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Barry M. Trost, Iwao Hachiya
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Patent number: 6538153Abstract: A method for synthesizing compounds of the formula where C60 is a C60 fullerene.Type: GrantFiled: September 25, 2001Date of Patent: March 25, 2003Assignee: C Sixty Inc.Inventors: Andreas Hirsch, Uwe Reuther
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Patent number: 6395921Abstract: [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: GrantFiled: August 9, 2000Date of Patent: May 28, 2002Assignee: Bayer AktiengesellschaftInventors: Albrecht Marhold, Jörn Stölting
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Patent number: 6307090Abstract: 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: GrantFiled: January 22, 1999Date of Patent: October 23, 2001Assignee: The United States of America as represented by the Department of Health and Human ServicesInventors: Terrence R. Burke, Jr., Zhu-jun Yao, C. Richter King
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Patent number: 6165680Abstract: 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: GrantFiled: January 21, 1999Date of Patent: December 26, 2000Assignee: Samsung Electronics Co., Ltd.Inventor: Sang-jun Choi
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Patent number: 6156925Abstract: 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: GrantFiled: September 24, 1999Date of Patent: December 5, 2000Assignee: American Cyanamid CompanyInventors: Oliver Meyer, Rudi Eisenacht
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Patent number: 6072073Abstract: 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: GrantFiled: August 18, 1999Date of Patent: June 6, 2000Assignee: Yale UniversityInventors: Motoi Kawatsura, John F. Hartwig
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Patent number: 5777152Abstract: 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: GrantFiled: February 29, 1996Date of Patent: July 7, 1998Assignee: Huels AktiengesellschaftInventors: Christoph Theis, Radu Bordeianu, Wilfried Latz
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Patent number: 5756815Abstract: 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: GrantFiled: March 18, 1997Date of Patent: May 26, 1998Assignee: American Cyanamid CompanyInventor: Marcus Knell
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Patent number: 5750766Abstract: 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: GrantFiled: March 18, 1997Date of Patent: May 12, 1998Assignee: American Cyanamid CompanyInventors: Guenter Krummel, Marcus Knell
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Patent number: 5688992Abstract: 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: GrantFiled: March 31, 1995Date of Patent: November 18, 1997Assignee: The United States of America as represented by the Department of Health and Human ServicesInventors: Terrence R. Burke, Jr., Bin Ye, Miki Akamatsu, Hemanta K. Kole, Xinjian Yan, Peter R. Roller
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Patent number: 5618907Abstract: 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: GrantFiled: June 5, 1995Date of Patent: April 8, 1997Assignee: The Boeing CompanyInventors: Hyman R. Lubowitz, Clyde H. Sheppard, Ronald R. Stephenson
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Patent number: 5508025Abstract: 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: GrantFiled: December 23, 1994Date of Patent: April 16, 1996Assignee: Kao CorporationInventors: Masahide Hoshino, Mitsuru Sugiyama, Akira Kawamata, Hiroko Joukura, Genji Imokawa
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Patent number: 5478964Abstract: 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: GrantFiled: December 10, 1992Date of Patent: December 26, 1995Assignee: Allied-Signal Inc.Inventor: Edmond Differding
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Patent number: 5463020Abstract: 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: GrantFiled: June 30, 1994Date of Patent: October 31, 1995Assignee: BASF AktiengesellschaftInventors: Rainer Becker, Michael Huellmann, Christof Palm, Wolfgang Franzischka
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Patent number: 5442093Abstract: 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: GrantFiled: May 9, 1994Date of Patent: August 15, 1995Assignee: Schering CorporationInventor: Anantha Sudhakar
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Patent number: 5391811Abstract: .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: GrantFiled: November 3, 1993Date of Patent: February 21, 1995Assignee: Bayer AktiengesellschaftInventors: Stefan Bohm, Albrecht Marhold
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Patent number: 5312999Abstract: 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: GrantFiled: March 2, 1992Date of Patent: May 17, 1994Assignee: Daiichi Seiyaku Co., Ltd.Inventors: Toshihiro Fujiwara, Tutomu Ebata
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Patent number: 5288750Type: GrantFiled: January 31, 1991Date of Patent: February 22, 1994Assignee: Orion-yhtyma OyInventors: Pentti Pohto, Paivi A. Aho, Reijo J. Backstrom, Erkki J. Honkanen, Inge-Britt Y. Linden, Erkki A. O. Nissinen
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Patent number: 5102886Abstract: 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: GrantFiled: October 12, 1990Date of Patent: April 7, 1992Assignee: American Home Products CorporationInventor: Michael S. Malamas
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Patent number: 5093496Abstract: 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: GrantFiled: April 4, 1991Date of Patent: March 3, 1992Assignee: American Home Products CorporationInventor: Michael S. Malamas
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Patent number: 4828764Abstract: 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: GrantFiled: June 18, 1987Date of Patent: May 9, 1989Assignee: Research CorporationInventor: Darryl D. DesMarteau
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Patent number: 4829099Abstract: 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: GrantFiled: July 17, 1987Date of Patent: May 9, 1989Assignee: Bioresearch, Inc.Inventors: William D. Fuller, Robert K. Blair, Murray Goodman
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Patent number: 4808747Abstract: 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: GrantFiled: March 14, 1985Date of Patent: February 28, 1989Assignee: Huls AGInventor: Walter K. Homann
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Patent number: 4766141Abstract: 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: GrantFiled: October 14, 1987Date of Patent: August 23, 1988Assignee: Pfizer Inc.Inventor: Christopher A. Lipinski