Plural Halogens Attached Indirectly To The Sulfonate Group By Acyclic Bonding Patents (Class 558/54)
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Patent number: 11440981Abstract: A process comprising polymerizing at least one fluorinated monomer in an aqueous medium containing initiator and polymerization agent to form an aqueous dispersion of particles of fluoropolymer, the polymerization agent comprising: fluoropolyether acid or salt thereof having a number average molecular weight of at least about 800 g/mol; and fluorosurfactant having the formula: [R1—On-L-A?]Y+ wherein: R1 is a linear or branched partially or fully fluorinated aliphatic group which may contain ether linkages; n is 0 or 1; L is a linear or branched alkylene group which may be nonfluorinated, partially fluorinated or fully fluorinated and which may contain ether linkages; A? is an anionic group selected from the group consisting of carboxylate, sulfonate, sulfonamide anion, and phosphonate; and Y+ is hydrogen, ammonium or alkali metal cation; with the proviso that the chain length of R1—On-L- is not greater than 6 atoms.Type: GrantFiled: August 13, 2013Date of Patent: September 13, 2022Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Paul Douglas Brothers, Subhash Vishnu Gangal
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Patent number: 10822568Abstract: The object of the present invention is to provide a foreign substance removing lubricant composition having high foreign substance removing effects and being capable of improving the lubricating properties as compared to conventional lubricant compositions, a foreign substance removing lubricant composition applied member, and a method for using the foreign substance removing lubricant composition. The foreign substance removing lubricant composition of the present invention comprises a perfluoroalkyl group containing compound (S) having a perfluoroalkyl group or a fluoropolyether containing compound. As a result, foreign substance removing effects can be enhanced, and the lubricating properties can be improved as compared to the conventional lubricant compositions.Type: GrantFiled: January 26, 2017Date of Patent: November 3, 2020Assignee: NIPPECO LTD.Inventors: Yoshiro Yoshida, Yousuke Kimura
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Patent number: 8900794Abstract: A photoacid generator compound has the formula (I): [A-(CHR1)p]k-(L)-(CH2)m—(C(R2)2)n—SO3?Z+??(I) wherein A is a substituted or unsubstituted, monocyclic, polycyclic, or fused polycyclic C5 or greater cycloaliphatic group optionally comprising O, S, N, F, or a combination comprising at least one of the foregoing, R1 is H, a single bond, or a substituted or unsubstituted C1-30 alkyl group, wherein when R1 is a single bond, R1 is covalently bonded to a carbon atom of A, each R2 is independently H, F, or C1-4 fluoroalkyl, wherein at least one R2 is not hydrogen, L is a linking group comprising a sulfonate group, a sulfonamide group, or a C1-30 sulfonate or sulfonamide-containing group, Z is an organic or inorganic cation, p is an integer of 0 to 10,k is 1 or 2, m is an integer of 0 or greater, and n is an integer of 1 or greater.Type: GrantFiled: September 28, 2012Date of Patent: December 2, 2014Assignee: Rohm and Haas Electronic Materials LLCInventors: Emad Aqad, Cheng-Bai Xu, Mingqi Li, Shintaro Yamada, William Williams, III
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Publication number: 20140275526Abstract: This disclosure relates to compounds containing a fluorophore covalently bonded to at least one protected sulfonate group of formula (I): in which X and R2-R5 are defined in the specification. This disclosure also relates to use of these compounds as dyes in an imaging methods, as well as intermediates that can be used to prepare these compounds.Type: ApplicationFiled: March 10, 2014Publication date: September 18, 2014Applicant: University of MassachusettsInventors: Stephen C. Miller, Steven M. Pauff, Adam Choi
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Publication number: 20140249192Abstract: The present invention provides compounds, that are N-alkyl-2-(1-(5-substituted-2-(3-oxo-3-(trifluoromethylsulfonamido)propyl)benzyl)pyrrolidin-2-yl)oxazole-4-carboxamide wherein the 5 substituent is selected from the group consisting of halo and alkyloxy radicals. The compound may be represented by the following formula wherein R1 is selected from the group consisting of CO2R7 and CON(R7)SO2R7 wherein R1, R2, R3, R4, and R7 are as defined in the specification. The compounds may be administered to treat DP1, FP, EP1, EP3, TP and/or EP4 receptor mediated diseases or conditions.Type: ApplicationFiled: February 12, 2014Publication date: September 4, 2014Applicant: Allergan, Inc.Inventors: Jose L. Martos, William R. Carling, David F. Woodward, Jenny W. Wang, Jussi J. Kangasmetsa
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Publication number: 20140193752Abstract: There are disclosed sulfonic acid precursor compositions, as are methods of using these compositions in, for example, photolithography. Other embodiments are also disclosed.Type: ApplicationFiled: March 28, 2012Publication date: July 10, 2014Applicant: The Research Foundation of State University of New YorkInventors: Robert L. Brainard, Brian Cardineau
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Publication number: 20130217908Abstract: The invention relates to a method for improving stability of radiopharmaceutical precursors, and in particular protected amino acid derivatives which are used as precursors for production of radiolabelled amino acids for use in in vivo imaging procedures such as positron emission tomography (PET). The invention further includes compositions comprising a radiopharmaceutical precursor and a drying agent, and cassettes for automated synthesis apparatus comprising the same.Type: ApplicationFiled: October 28, 2011Publication date: August 22, 2013Applicant: GE HEALTHCARE LIMITEDInventors: Tone Hauk Fritzell, Torild Wickstrom
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Patent number: 8501382Abstract: There are disclosed sulfonic acid precursor compositions, as are methods of using these compositions in, for example, photolithography. Other embodiments are also disclosed.Type: GrantFiled: February 19, 2010Date of Patent: August 6, 2013Assignee: The Research Foundation of State Univ. of New YorkInventor: Robert L. Brainard
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Patent number: 8435717Abstract: A sulfonic acid onium salt represented by the following formula (1) can be used as a superior radiosensitive acid generator for resist compositions. It is possible to form a good pattern by using a resist composition containing this sulfonic acid onium salt. In formula (1), R1 represents a monovalent organic group, and Q+ represents a sulfonium cation or iodonium cation.Type: GrantFiled: February 14, 2008Date of Patent: May 7, 2013Assignee: Central Glass Company, LimitedInventors: Yuji Hagiwara, Jonathan Joachim Jodry, Satoru Narizuka, Kazuhiko Maeda
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Patent number: 8357819Abstract: The invention relates to a process for the synthesis of (Z)-3-[2-butoxy-3?-(3-heptyl-1-methylureido)biphenyl-4-yl]-2-methoxyacrylic acid of formula (I): and also to the process for the synthesis of the reaction intermediates of general formula (XII), and to the said compounds when R2 is chosen from the methyl, trifluoromethyl, phenyl and 4-tolyl radicals:Type: GrantFiled: April 18, 2008Date of Patent: January 22, 2013Assignee: Galderma Research & DevelopmentInventor: Jean-Guy Boiteau
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Publication number: 20120316169Abstract: (R,S) 2-aryl-propionamide derivatives, or their single enantiomers (R) and (S) are disclosed useful in the treatment or prevention of symptoms and disorders such as pain and inflammation associated with the bradykinin B1 pathway.Type: ApplicationFiled: October 28, 2010Publication date: December 13, 2012Applicant: DOMPÉ S.P.A.Inventors: Andrea Beccari, Andrea Aramini, Gianluca Bianchini, Alessio Moriconi
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Patent number: 8324417Abstract: The present invention relates to a process for the preparation of alkyl esters of (S)-2-amino-5-cyclopropyl-4,4-difluoropentanoic acid, which are intermediates useful in the synthesis of (S)—N-(1-cyanocyclopropyl)-5-cyclopropyl-4,4-difluoro-2-((S)-2,2,2-trifluoro-1-(4-fluorophenyl)ethylamino)pentanamide and related compounds, which are compounds that are cysteine protease inhibitors.Type: GrantFiled: August 16, 2010Date of Patent: December 4, 2012Assignee: ViroBay, Inc.Inventors: Barry Hart, Jeff Dener, Michael Green, Michael Standen, Oldrich Kocian
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Patent number: 8212065Abstract: A method for the production of optically active ?-alkylcarbonyl compounds with retention of the stereo information of the starting compound. The starting compound used here is a carbonyl compound which has, in the ?-position, a leaving group which is substituted by an alkyl group with inversion of the configuration. The substitution of the leaving group is effected with the use of an alkylmagnesium Grignard and a zinc (II) salt or a zinc organyl. The method permits the production of optically active ?-alkylcarbonyl compounds at very mild temperatures (for example 0° C.) with the use of starting compounds which are easy to prepare and economical and nontoxic catalysts, it also being possible to achieve a very high yield.Type: GrantFiled: September 18, 2008Date of Patent: July 3, 2012Assignee: Albert-Ludwigs-Universitat FreiburgInventors: Bernhard Breit, Christopher Studte
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Publication number: 20120142707Abstract: Compounds having drug and bio-affecting properties, their pharmaceutical compositions and methods of use are set forth. In particular, modified C-3 betulinic acid and other structurally related natural products derivatives that possess unique antiviral activity are provided as HIV maturation inhibitors. These compounds are useful for the treatment of HIV and AIDS.Type: ApplicationFiled: June 2, 2011Publication date: June 7, 2012Inventors: Alicia Regueiro-Ren, Jacob Swidorski, Zheng Liu, Nicholas A. Meanwell, Sing-Yuen Sit, Jie Chen
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Patent number: 8173350Abstract: An oxime compound represented by the formula (I): wherein Y represents an unsubstituted or substituted n-valent C6-C14 aromatic hydrocarbon group, n represents an integer of 1 to 6, R1 represents a C1-C30 aliphatic hydrocarbon group etc., R2 represents a linear or branched chain C1-C20 aliphatic hydrocarbon group etc., W represents —CO—O— etc., Q1 and Q2 each independently represent a fluorine atom etc., Z represents a C1-C20 halogenated aliphatic hydrocarbon group etc, and the resist composition containing the same.Type: GrantFiled: July 21, 2009Date of Patent: May 8, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Tatsuro Masuyama, Kazuhiko Hashimoto, Takashi Hiraoka, Ichiki Takemoto
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Publication number: 20110269761Abstract: The invention relates to substituted aryl-sulphonylglycine derivatives of general formula (I) wherein the groups Ra to Rf, A and Z are defined as in the specification and claims, which are suitable for preparing a pharmaceutical composition for the treatment of metabolic disorders, particularly type 1 or type 2 diabetes mellitus.Type: ApplicationFiled: April 17, 2009Publication date: November 3, 2011Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBHInventors: Elke Langkopf, Frank Himmelsbach, Juergen Mack, Alexander Pautsch, Corinna Schoelch, Annette Schuler-Metz, Ruediger Streicher, Holger Wagner
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Patent number: 7964749Abstract: The invention provides a method for obtaining the intermediate (II), useful for manufacturing Valsartan and a drug directed to a treatment of arterial hypertension or heart failure. The process comprises a) Imination of the aldehyde group of a compound (VII) by L-Valine (IV) salts with organic or inorganic bases and a polar solvent or water, where X means halogen or an —OSO2R group, where R is CF3, tolyl, methyl or F; to give an imine-type compound (VIII), where B+ is the protonated form of an organic base or an alkaline cation; b) Reduction of the imine group of the compound (VIII) followed by acidification, to give the compound (VI); and c) N-Acylation of the compound (VI) with valeryl chloride to give the compound (II). Steps a) and b) can be performed in a “one pot” reaction.Type: GrantFiled: October 19, 2006Date of Patent: June 21, 2011Assignee: Inke, S.A.Inventors: Pere Dalmases Barjoan, Joan Huguet Clotet
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Publication number: 20110112320Abstract: A process for manufacture of hydrofluoroalkanesulfonic acid with at least one hydrogen bonded to the carbon atom adjacent to the carbon atom bonded to the sulfonic acid group comprising: contacting a fluoroolefin with sulfite in an aqueous solution adjusted to about pH 4 to pH 12; removing water from the solution to form a solid; directly treating the solid with oleum; and distilling the hydrofluoroalkanesulfonic acid therefrom. Also a process for manufacture of potassium hydrofluoroalkanesulfonate in high purity is described.Type: ApplicationFiled: January 20, 2011Publication date: May 12, 2011Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Mark Andrew Harmer, Christopher P. Junk, Zoe Schnepp
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Publication number: 20110046406Abstract: The present invention relates to a process for the preparation of alkyl esters of (S)-2-amino-5-cyclopropyl-4,4-difluoropentanoic acid, which are intermediates useful in the synthesis of (S)-N-(1-cyanocyclopropyl)-5-cyclopropyl-4,4-difluoro-2-(S)-2,2,2-trifluoro-1-(4-fluorophenyl)ethylamino)pentanamide and related compounds, which are compounds that are cysteine protease inhibitors.Type: ApplicationFiled: August 16, 2010Publication date: February 24, 2011Applicant: ViroBay, Inc.Inventors: Barry Hart, Jeff Dener, Michael Green, Michael Standen, Oldrich Kocian
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Publication number: 20100305352Abstract: A method for the production of optically active ?-alkylcarbonyl compounds with retention of the stereo information of the starting compound. The starting compound used here is a carbonyl compound which has, in the ?-position, a leaving group which is substituted by an alkyl group with inversion of the configuration. The substitution of the leaving group is effected with the use of an alkylmagnesium Grignard and a zinc (II) salt or a zinc organyl. The method permits the production of optically active ?-alkylcarbonyl compounds at very mild temperatures (for example 0° C.) with the use of starting compounds which are easy to prepare and economical and nontoxic catalysts, it also being possible to achieve a very high yield.Type: ApplicationFiled: September 18, 2008Publication date: December 2, 2010Inventors: Bernhard Breit, Christopher Studte
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Patent number: 7838684Abstract: The present invention relates to compositions of matter that are ionic liquids, the compositions comprising any of eleven cations combined with any of three fluorinated sulfonated anions. Compositions of the invention should be useful as solvents and, perhaps, as catalysts for many reactions, including aromatic electrophilic substitution, nitration, acylation, esterification, etherification, oligomerization, transesterification, isomerization and hydration.Type: GrantFiled: May 27, 2009Date of Patent: November 23, 2010Assignee: E.I. du Pont de Nemours and CompanyInventors: Mark Andrew Harmer, Christopher P. Junk, Jemma Vickery
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Publication number: 20100286430Abstract: The invention relates to a process for the synthesis of (Z)-3-[2-butoxy-3?-(3-heptyl-1-methylureido)biphenyl-4-yl]-2-methoxyacrylic acid of formula (I): and also to the process for the synthesis of the reaction intermediates of general formula (XII), and to the said compounds when R2 is chosen from the methyl, trifluoromethyl, phenyl and 4-tolyl radicals:Type: ApplicationFiled: April 18, 2008Publication date: November 11, 2010Applicant: GALDERMA RESEARCH & DEVELOPMENTInventor: Jean-Guy Boiteau
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Publication number: 20100276674Abstract: An organic light-emitting device comprising an anode; a hole transport layer; a light-emitting layer; and a cathode, characterised in that the hole transport layer comprises a polymer having a repeat unit comprising a 9,9 biphenyl fluorene unit wherein the 9-phenyl rings are independently and optionally substituted and the fluorene unit is optionally fused.Type: ApplicationFiled: November 18, 2008Publication date: November 4, 2010Applicants: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, SUMATION CO., LIMITEDInventors: Natasha M. Conway, Mary J. McKiernan, Brian Tierney
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Publication number: 20100221659Abstract: A compound has a partial structure shown by a following formula (1), wherein R1 represents a hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 8 carbon atoms, R2 represents a substituted or unsubstituted hydrocarbon group having 1 to 8 carbon atoms, Rf represents a fluorine atom or a perfluoroalkyl group having 1 to 4 carbon atoms, L represents an integer from 0 to 4, n represents an integer from 0 to 10, and m represents an integer from 1 to 4.Type: ApplicationFiled: April 14, 2010Publication date: September 2, 2010Applicant: JSR CorporationInventors: Takuma Ebata, Tomoki Nagai
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Patent number: 7759512Abstract: Methods of making a fluorinated sulfonate ester include combining a perfluoroalkanesulfonyl halide and a fluorinated alcohol in water in the presence of hydroxide ion, and recovering at least a portion of the resultant fluorinated sulfonate ester.Type: GrantFiled: July 21, 2008Date of Patent: July 20, 2010Assignee: 3M Innovative Properties CompanyInventors: Michael J. Bulinski, William M. Lamanna
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Publication number: 20100016624Abstract: Methods of making a fluorinated sulfonate ester include combining a perfluoroalkanesulfonyl halide and a fluorinated alcohol in water in the presence of hydroxide ion, and recovering at least a portion of the resultant fluorinated sulfonate ester.Type: ApplicationFiled: July 21, 2008Publication date: January 21, 2010Inventors: Michael J. Bulinski, William M. Lamanna
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Patent number: 7585994Abstract: The invention relates to a method for producing perfluoroalkanesulfonic acid esters and for further transforming the same into the salts thereof. The invention also relates to the use of the produced compounds in electrolytes, batteries, capacitors, supercapacitors, and galvanic cells.Type: GrantFiled: May 31, 2006Date of Patent: September 8, 2009Assignee: Merck Patent GmbHInventors: Nikolai Ignatyev, Michael Schmidt, Udo Heider, Peter Sartori, Andry Kucheryna
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Publication number: 20090137831Abstract: The invention provides novel aryl and aliphatic esters of fluorinated alkanesulfonic acids. The invention also provides novel fluorinated alkanesulfonamides and a process to make the same. The invention also provides a process for the arylation of an amine by contacting the amine with an aryl ester of a fluorinated alkanesulfonic acid.Type: ApplicationFiled: November 20, 2008Publication date: May 28, 2009Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventor: Vsevolod Rostovtsev
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Patent number: 7531290Abstract: Sulfonate salts have the formula: R1SO3—CH(Rf)—CF2SO3?M+ wherein R1 is alkyl or aryl, Rf is H or trifluoromethyl, and M+ is a Li, Na, K, ammonium or tetramethylammonium ion. Onium salts, oximesulfonates and sulfonyloxyimides and other compounds derived from these sulfonate salts are effective photoacid generators in chemically amplified resist compositions.Type: GrantFiled: October 27, 2006Date of Patent: May 12, 2009Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Katsuhiro Kobayashi, Youichi Ohsawa, Takeshi Kinsho, Takeru Watanabe
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Patent number: 7435526Abstract: A positive photosensitive composition comprises a compound capable of generating a specified sulfonic acid upon irradiation with one of an actinic ray and radiation and (B) a resin capable of decomposing under the action of an acid to increase the solubility in an alkali developer.Type: GrantFiled: June 14, 2004Date of Patent: October 14, 2008Assignee: FUJIFILM CorporationInventors: Kunihiko Kodama, Toshiaki Aoai
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Publication number: 20080153032Abstract: The present application relates to a compound of formula where X is selected from the group CF3SO3, C4F9SO3, N(SO2C2F5)2, N(SO2CF3SO2C4F9), N(SO2C3F7)2, N(SO2C4F9)2, CF3CHFO(CF2)2SO3, and CH3CH2CH2O(CF2)4SO3. A photoresist composition comprising a polymer containing an acid labile group, the above compounds, and one or more additional photoacid generators is also provided for.Type: ApplicationFiled: December 20, 2006Publication date: June 26, 2008Inventors: M. Dalil Rahman, Takanori Kudo
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Patent number: 7247740Abstract: The present invention relates to a process for the preparation of perfluoroalkanesulfonic acid esters and to the further conversion thereof into salts, and to the use of the resultant compounds in electrolytes and in batteries, capacitors, supercapacitors and electrochemical cells.Type: GrantFiled: November 25, 2002Date of Patent: July 24, 2007Assignee: Merck Patent GmbHInventors: Michael Schmidt, Nicolai Ignatyev, Udo Heider, Peter Sartori, Andrij Kucheryna
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Patent number: 7102023Abstract: One aspect of the present invention relates to optionally substituted halogenated benzyl halides and the like. These compounds are useful as halogenated benzyl ether-based protecting groups for a variety of functional groups. Another aspect of the present invention relates to use of said protecting groups in an orthogonal protecting group strategy for the synthesis of complex molecules that comprise a number of suitable functional groups. Another aspect of the present invention relates to saccharides bearing various arrays of protecting groups of the present invention. Another aspect of the present invention relates to a method of synthesizing an oligosaccharide or glycoconjugate, comprising the steps of: using a saccharide bearing at least one protecting group of the present invention to glycosylate a second molecule to give a product comprising said saccharide; and removing a protecting group of the present invention from said product.Type: GrantFiled: February 6, 2004Date of Patent: September 5, 2006Assignee: Massachusetts Institute of TechnologyInventors: Stephen L. Buchwald, Obadiah J. Plante, Peter H. Seeberger
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Patent number: 7084290Abstract: The invention relates to a method for producing perfluoroalkanesulfonic acid esters and for further transforming the same into the salts thereof. The invention also relates to the use of the produced compounds in electrolytes, batteries, capacitors, supercapacitors, and galvanic cells.Type: GrantFiled: May 4, 2002Date of Patent: August 1, 2006Assignee: Merck Patent GmbHInventors: Nikolai Ignatyev, Michael Schmidt, Udo Heider, Peter Sartori, Andry Kucheryna
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Patent number: 6919470Abstract: The invention relates to novel aryl and heteroaryl sulfonates of formula (Ia) and to methods for producing them and to novel aryl and heteroaryl sulfonates of formula (I) for treating and/or preventing diseases, especially for treating pain and neurodegenerative diseases, A representing (C6-C10)-aryl or 5-10-membered heteroaryl, D representing (C6-C10)-arylene or 5-10-membered heteroarylene, R1 representing (C4-C8)-alkyl, (C2-C8)-alkyl, the carbon chain being interrupted by one or two heteroatoms or groups chosen from the following group: —O—, —S—, —SO— and —SO2—, (C2-C8)-alkenyl or (C2-C8)-alkinyl, in formula (Ia); and R1 representing (C3-C8)-alkyl, (C2-C8)-alkyl, the carbon chain being interrupted by one or two heteroatoms or groups chosen from the following group: —O—, —S—,—SO— and —SO2—, (C2-C8)-alkenyl or (C2-C8)-alkinyl.Type: GrantFiled: March 19, 2001Date of Patent: July 19, 2005Assignee: Bayer AktiengesellschaftInventors: Markus Heil, Heinrich Meier, Paul Naab, Arnd Voerste, Jean-Marie-Viktor de Vry, Dirk Denzer, Frank Mauler, Klemens Lustig, Volker Hinz, Swen Allerheiligen
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Patent number: 6844462Abstract: The invention relates to the biphenyldiols of the formula (V) The corresponding racemic and enantiomerically pure triflate compounds thereof, where R1 and R2 are H, R3 is chlorine, and R4 is methoxy. In an alternate embodiment, R1 and R2 are hydrogen and R3 and R4 are C1-C4-alkoxy, fluorine, or chlorine.Type: GrantFiled: April 7, 2003Date of Patent: January 18, 2005Assignee: Bayer AktiengesellschaftInventors: Birgit Drieben-Hölscher, Joachim Kralik, Inga Ritzkopf, Christian Steffens, Guido Giffels, Claus Dreisbach, Thomas Prinz
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Publication number: 20040158091Abstract: The invention relates to a method for producing perfluoroalkanesulfonic acid esters and for further transforming the same into the salts thereof. The invention also relates to the use of the produced compounds in electrolytes, batteries, capacitors, supercapacitors, and galvanic cells.Type: ApplicationFiled: November 28, 2003Publication date: August 12, 2004Inventors: Nikolai Ignatyev, Michael Schmidt, Udo Heider, Peter Sartori, Andry Kucheryna
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Patent number: 6753435Abstract: An object of the present invention is to provide intermediates for the synthesis of 1&agr;-hydroxyvitamin D derivatives useful as drugs and processes for the preparation thereof.Type: GrantFiled: September 25, 2002Date of Patent: June 22, 2004Assignee: Teijin LimitedInventors: Masahiro Koga, Toru Minoshima
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Patent number: 6710198Abstract: Described are bis(perfluoro-n-alkane-sulfonate) compounds, methods for preparing these compounds and use of these compounds, for example as starting materials for the synthesis of chiral and phosphine ligands for transition metal catalysts.Type: GrantFiled: August 9, 2001Date of Patent: March 23, 2004Assignee: Merck Patent Gesellschaft mit beschränkter HaftungInventors: Andreas Wachtler, Karl-Heinz Derwenskus, Andreas Meudt
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Publication number: 20030113658Abstract: A novel photoacid generator containing a structure of the following formula (I), 1Type: ApplicationFiled: June 28, 2002Publication date: June 19, 2003Inventors: Satoshi Ebata, Eiji Yoneda, Tomoki Nagai, Tatsuya Toneri, Yong Wang, Haruo Iwasawa, Yukio Nishimura
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Patent number: 6576782Abstract: The invention concerns a halogenation in position meta of a phenol fuction. Said halogenation comprises a step which consists in halogenating an aromatic derivative of a medium or advantageously strong acid, the aromatic radical being a phenyl substituted in ortho and in para by functions attracting electrons by inductive effect. The invention is applicable to organic synthesis.Type: GrantFiled: October 4, 2001Date of Patent: June 10, 2003Assignee: Rhodia ChimieInventors: Jean-Roger Desmurs, Geneviève Padilla, Jean-Francis Spindler
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Patent number: 6395918Abstract: The present invention provides a method of converting a hydroxy group in alcohols containing an electron withdrawing group into perfluoroalkane sulfonate and fluorosulfonate esters, which are good leaving groups, with inversion of configuration where the hydroxyl-bearing carbon is chiral. The method consists of converting an alcohol to an O—N,N-dialkylsulfamate ester and reacting it with a perfluoroalkansulfonic or fluorosulfonic acid. The method has applications in the synthesis of pharmaceutical and agrochemical compounds.Type: GrantFiled: October 27, 2000Date of Patent: May 28, 2002Inventors: Hans Jacob Edgar Loewenthal, Ron Benjamin Loewenthal
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Patent number: 6353125Abstract: Described are bis(perfluoro-n-alkane-sulfonate) compounds, methods for preparing these compounds and use of these compounds, for example as starting materials for the synthesis of chiral and phosphine ligands for transition metal catalysts.Type: GrantFiled: September 25, 2000Date of Patent: March 5, 2002Assignee: Merck Patent GmbHInventors: Andreas Wächtler, Karl-Heinz Derwenskus, Andreas Meudt
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Patent number: 6316009Abstract: “Biphenyl derivatives substituted with an aromatic or heteroaromatic radical, and pharmaceutical and cosmetic compositions containing them” in which: Ar represents an aromatic or a heteroaromatic radical optionally substituted, in particular, with an alkyl or a carboxyl group, R2 and R3 represent, in particular, H or alkyl, or R2 and R3, taken together, form a 5- or 6-membered ring, R4 and R5 represent, in particular, H or halogen, R6 represents, in particular, H or lower alkyl, and the salts of the compounds of formula (I). These compounds can be used in particular in the treatment of dermatological complaints associated with a keratinization disorder, and for combating ageing of the skin.Type: GrantFiled: April 6, 1999Date of Patent: November 13, 2001Assignee: Galderma Research & DevelopmentInventors: Jean-Michel Bernardon, Philippe Nedoncelle
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Aryl sulfonamides and analogues thereof and their use in the treatment of neurodegenerative diseases
Patent number: 6262112Abstract: The present invention relates to new aryl ether sulphonamides and analogs, processes for their preparation and their use for the treatment of neurodegenerative disorders, in particular for the prophylaxis and treatment of neurodegenerative disorders, in particular for the treatment of cerebral apoplexy and craniocerebral trauma.Type: GrantFiled: November 15, 1999Date of Patent: July 17, 2001Assignee: Bayer AktiengesellschaftInventors: Joachim Mittendorf, Jürgen Dressel, Michael Matzke, Jörg Keldenich, Klaus-Helmut Mohrs, Siegfried Raddatz, Jürgen Franz, Peter Spreyer, Verena Vöhringer, Joachim Schuhmacher, Michael-Harold Rock, Ervin Horváth, Arno Friedl, Frank Mauler, Jean Marie Viktor de Vry, Reinhard Jork -
Patent number: 6086794Abstract: An organic nonlinear optical material comprising a compound having the iodonium salt structure represented by the general formula (I): ##STR1## wherein .pi..sub.1 to .pi..sub.n are the same or different and each is an atomic group having .pi. electron, I.sub.1 to I.sub.n-1 are an iodonium cation, A.sub.1 to A.sub.n-1 are the same or different and each is a counter anion for the iodonium cation, R.sup.1 and R.sup.2 are the same or different and each is a hydrogen atom or an electron donative group, and n is an integer of 2 to 4. The material has large nonlinear optical constants and shows no light absorption in the visible light region.Type: GrantFiled: January 23, 1998Date of Patent: July 11, 2000Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Hideharu Nobutoki, Tetsuyuki Kurata
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Patent number: 6072068Abstract: The present invention relates to certain 16-hydroxy-11-(substituted phenyl)-estra-4,9-diene derivatives, to processes for their preparation, to pharmaceutical formulations containing them and to their use in medicinal therapy, particularly in the treatment or prophylaxis of glucocorticoid dependent diseases or symptoms.Type: GrantFiled: July 14, 1999Date of Patent: June 6, 2000Assignee: Akzo Nobel N.V.Inventors: Marinus Bernard Groen, Ronald Gebhard
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Patent number: 5914423Abstract: A process for the preparation of a compound of formula (I):HetSCH.sub.2 CH.sub.2 CH.dbd.CF.sub.2 (I)wherein Het is an optionally substituted 5- or 6-membered heterocyclic ring, which comprises reacting a compound of formula (II):HetSH (II)with a compound of formula (III):CF.sub.2 .dbd.CHCH.sub.2 CH.sub.2 L (III)wherein L is chlorine or bromine or a group --OSO2R.sup.a wherein R.sup.a is a C1-4 alkyl group or a phenyl group optionally substituted by a C1-4 alkyl group.Type: GrantFiled: November 24, 1997Date of Patent: June 22, 1999Assignee: Zeneca, LimitedInventors: Michael Drysdale Turnbull, Nigel James Willetts, Steven Fitzjohn, Prafula Govind Kholia, Harjindersingh Bansal, Alfred Glyn Williams
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Patent number: 5760269Abstract: The invention provides the novel compound 4,4,4-trichlorobutyl methanesufonate, useful as an intermediate in the production of certain agricultural pesticides, and a process for its manufacture.Type: GrantFiled: December 6, 1996Date of Patent: June 2, 1998Assignee: Zeneca LimitedInventors: Martin Charles Bowden, Trevor Robert Perrior
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Patent number: 5753776Abstract: This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.Type: GrantFiled: June 6, 1995Date of Patent: May 19, 1998Assignee: Exfluor Research CorporationInventors: Thomas R. Bierschenk, Timothy J. Juhlke, Hajimu Kawa, Richard J. Lagow