Polycyclo Alicyclic Ring System Attached Directly Or Indirectly To The Sulfonate Group By Nonionic Bonding Patents (Class 562/100)
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Patent number: 8173353Abstract: The present invention provides a sulfonium compound represented by the formula (I): wherein Q1 and Q2 each independently represent a fluorine atom or a C1-C6 perfluoroalkyl group, R1 represents a C5-C42 organic group having a ?-ketoester structure and A+ represents an organic counter ion, and a chemically amplified photoresist composition comprising the above-mentioned sulfonium compound and a resin comprising a structural unit having an acid-labile group and being insoluble or poorly soluble in an aqueous alkali solution but becoming soluble in an aqueous alkali solution by the action of an acid.Type: GrantFiled: March 23, 2010Date of Patent: May 8, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Tatsuro Masuyama, Junji Shigematsu, Hanwoo Park
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Patent number: 8148044Abstract: A positive photosensitive composition includes at least one compound that when exposed to actinic rays or radiation, generates any of the sulfonic acids of general formula (I) and a resin whose solubility in an alkali developer is increased by the action of an acid, wherein each of X1 and X2 independently represents a fluorine atom or a fluoroalkyl group, R1 represents a group with a polycyclic structure, provided that the polycyclic structure may have a substituent, and R2 represents a hydrogen atom, a chain alkyl group, a monocyclic alkyl group, a group with a polycyclic structure or a monocyclic aryl group, provided that each of the chain alkyl group, monocyclic alkyl group, polycyclic structure and monocyclic aryl group may have a substituent, and provided that R1 and R2 may be bonded to each other to thereby form a polycyclic structure.Type: GrantFiled: October 29, 2009Date of Patent: April 3, 2012Assignee: Fujifilm CorporationInventors: Shuhei Yamaguchi, Tomotaka Tsuchimura, Yuko Tada
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Patent number: 8124313Abstract: A compound represented by general formula (I); and a compound represented by general formula (b1-1). wherein Q1 represents a divalent linkage group or a single bond; Y1 represents an alkylene group which may have a substituent or a fluorinated alkylene group which may have a substituent; X represents a cyclic group of 3 to 30 carbon atoms which may have a substituent, and has an —SO2— bond in the structure thereof; M+ represents an alkali metal ion; and A+ represents an organic cation.Type: GrantFiled: January 22, 2010Date of Patent: February 28, 2012Assignee: Tokyo Ohka Kogyo Co., Ltd.Inventors: Takehiro Seshimo, Yoshiyuki Utsumi, Akiya Kawaue, Hideo Hada, Hiroaki Shimizu, Tsuyoshi Nakamura
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Publication number: 20120015911Abstract: Methods, compounds, pharmaceutical compositions and kits are described for treating or preventing amyloid-related disease.Type: ApplicationFiled: September 20, 2011Publication date: January 19, 2012Applicant: Bellus Health Inc.Inventors: Xianqi Kong, Xinfu Wu, Abderrahim Bouzide, Isabelle Valade, David Migneault, Francine Gervais, Daniel Delorme, Benoit Bachand, Mohamed Atfani, Sophie Levesque, Bita Samim
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Patent number: 8044100Abstract: Methods, compounds, pharmaceutical compositions and kits are described for treating or preventing amyloid-related disease.Type: GrantFiled: December 21, 2005Date of Patent: October 25, 2011Assignee: Bellus Health Inc.Inventors: Xianqi Kong, Xinfu Wu, Abderrahim Bouzide, Isabelle Valade, David Migneault, Francine Gervais, Daniel Delorme, Benoit Bachand, Mohamed Atfani, Sophie Levesque, Bita Samim
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Patent number: 8043786Abstract: The invention provides novel acid generators which are unproblematic in combustibility and accumulation inside the human body and can generate acids having high acidities and high boiling points and exhibiting properly short diffusion lengths in resist coating films and which permit the formation of resist patterns excellent smoothness with little dependence on the denseness of a mask pattern; sulfonic acids generated from the acid generators; sulfonyl halides useful as raw material in the synthesis of the acid generators; and radiation-sensitive resin compositions containing the acid generators. The acid generators have structures represented by the general formula (I), wherein R1 is a monovalent substituent such as alkoxycarbonyl, alkylsulfonyl, or alkoxysulfonyl; R2 to R4 are each hydrogen or alkyl; k is an integer of 0 or above; and n is an integer of 0 to 5.Type: GrantFiled: February 20, 2004Date of Patent: October 25, 2011Assignee: JSR CorporationInventors: Satoshi Ebata, Yong Wang, Isao Nishimura
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Publication number: 20110201823Abstract: A salt represented by the formula (I0): wherein Q1 and Q2 each independently represent a fluorine atom or a C1-C6 perfluoroalkyl group, L1 represents a divalent C1-C17 hydrocarbon group in which one or more —CH2— can be replaced by —O— or —CO—, m represents 1 or 2, and Zm+ represents m-valent organic or inorganic cation.Type: ApplicationFiled: February 11, 2011Publication date: August 18, 2011Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Isao YOSHIDA, Koji ICHIKAWA
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Publication number: 20110071120Abstract: Provided herein are novel solid state forms of tapentadol salts, process for their preparation, pharmaceutical compositions, and method of treating thereof. The tapentadol salts include an L-(?)-camphorsulfonate salt, a dibenzoyl-(L)-tartrate salt, a dibenzoyl-(D)-tartrate salt, a malate salt, a maleate salt, or a salicylate salt.Type: ApplicationFiled: September 21, 2010Publication date: March 24, 2011Applicant: ACTAVIS GROUP PTC EHFInventors: Mayur Devjibhai Khunt, Sandipan Prabhurao Bondge, Vikas Daulatrao Ahirao, Depashri Vikas Ahirao, Nitin Sharadchandra Pradhan
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Publication number: 20100267983Abstract: The invention discloses water-soluble triterpenephenol compounds having antitumor activity represented by formula (I), wherein the substituents R1˜R4 and M are defined as in the description. The invention also discloses a method for preparing the compounds of formula (I) used quinone methide triterpene compounds as starting materials. The water-soluble triterpenephenol compounds disclosed in the invention can be made into various dosage forms including injection, tablet, capsule, granule and liniment, particularly suitable for making into injection.Type: ApplicationFiled: November 5, 2008Publication date: October 21, 2010Applicant: SHANGHAI HUATUO MEDICAL SCIENCE CO., LTDInventors: Jiafeng Zeng, Junfang Pan, Baoying Li, Qin Zhu, Tong Fang, Huiyan Ni
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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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Publication number: 20100210871Abstract: The invention relates to a process for converting ammonium salts of organic acids to the particular free organic acid, wherein an aqueous solution of the ammonium salt is contacted with an organic extractant and the salt is dissociated at temperatures and pressures at which the aqueous solution and the extractant are in the liquid state, and a stripping medium or entraining gas is introduced in order to remove NH3 from the aqueous solution and transfer at least a portion of the free organic acid formed to the organic extractant. The invention described here thus provides an improved process for releasing an organic acid, preferably a carboxylic, sulphonic or phosphonic acid, especially an alpha-hydroxycarboxylic acid or beta-hydroxycarboxylic acid, from the ammonium salt thereof by release and removal of ammonia and simultaneous extraction of the acid released with a suitable extractant from the aqueous phase. This process corresponds to a reactive extraction.Type: ApplicationFiled: February 16, 2010Publication date: August 19, 2010Applicant: EVONIK DEGUSSA GMBHInventors: Christoph Kobler, Dieter Buss, Axel Ronneburg, Christoph Weckbecker
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Publication number: 20100119974Abstract: A resist composition including a base component (A) which exhibits changed solubility in an alkali developing solution under action of acid and an acid-generator component (B) including a compound represented by (b1-1), a compound represented by (b1-1?) and/or a compound represented by (b1-1?) (R1?-R3? represents an aryl group or an alkyl group, provided that at least one of R1?-R3? represents a substituted aryl group being substituted with a group represented by (b1-1-0), and two of R1?-R3? may be mutually bonded to form a ring with the sulfur atom; X represents a C3-C30 hydrocarbon group; Q1 represents a carbonyl group-containing divalent linking group; X10 represents a C1-C30 hydrocarbon group; Q3 represents a single bond or a divalent linking group; Y10 represents —C(?O)— or —SO2—; represents a C1-C10 alkyl group or a fluorinated alkyl group: Q2 represents a single bond or an alkylene group; and W represents a C2-C10 alkylene group).Type: ApplicationFiled: November 10, 2009Publication date: May 13, 2010Inventors: Hideo Hada, Yoshiyuki Utsumi, Takehiro Seshimo, Akiya Kawaue
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Publication number: 20100081839Abstract: The present invention describes an improved industrial process for crystallizing out polymorph ‘Form I’ of (+) clopidogrel hydrogen sulphate (also called clopidogrel bisulphate) in) from either a Type-1 solvent or liquid characterized by comprising two or more functional groups or their mixtures thereof; or a Type-II solvent and/or solvent mixture selected from the group of methyl ethyl ketone, cyclopentylmethyl ether, dipropylglycolether, dibutylglycol ether, propylmethyl cellosolve, butylmethylcellosolve, propylethylellosolve, butylethylcellosolve or their cross combinations in a reproducible manner without detectable contamination of polymorph designated as ‘Form II’. The invention also discloses improvements in the preparation of clopidogrel free base and process for recovery and recycling of resolving agent camphor sulphonic acid.Type: ApplicationFiled: July 24, 2009Publication date: April 1, 2010Applicant: IPCA Laboratories Ltd.Inventors: Ashok KUMAR, Priti Jayesh Bhayani, Vaibhav Chinubhai Doshi, Ashvini Saxena, Gunjan Pramod Pathak, Rashmi Abhyankar, Sarvanan Manavalan, Mukesh Purohit, Santosh Parihar
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Publication number: 20090234155Abstract: An acid generating agent used for chemically amplified resist compositions is provided, which agent is represented by the following formula (1): wherein X represents a monocyclic or polycyclic hydrocarbon group having 3 to 30 carbon atoms, and having at least one hydrogen atom on the ring substituted by an alkyl or alkoxy group which and may be unsubstituted or substituted with a group selected from an ether group, an ester group, a carbonyl group, an acetal group, an epoxy group, a nitrile group and an aldehyde group, or by a perfluoroalkyl group, a hydroxyalkyl group, or a cyano group; R6 is an alkyl group, an alkoxy group, or a heteroatom selected from the group consisting of N, S and F; m is an integer from 0 to 2; and A+ is an organic counterion.Type: ApplicationFiled: June 19, 2008Publication date: September 17, 2009Applicant: Korea Kumho Petrochemical Co., Ltd.Inventors: Jung-Hoon Oh, Dong-Cheol Seo, Hyun-Sang Joo, Chang-Soo Lee
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Publication number: 20090098072Abstract: The invention relates to the use of compounds of formula (X—Ar—Y), in which X and Y respectively are selected independently of one another from the groups H, C-1-8 alkyl and groups as per formulae (Ia), (Ib) or (Ic), together with other groups that are defined as cited in the description, as antioxidants. The invention also relates to corresponding novel compounds and preparations and to corresponding production methods for said compounds and preparations.Type: ApplicationFiled: March 26, 2007Publication date: April 16, 2009Inventors: Thomas Rudolph, Herwig Buchholz
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Publication number: 20090042128Abstract: The present invention provides a salt represented by the formula (I): wherein Q1 and Q2 each independently represent a fluorine atom or a C1-C6 perfluoroalkyl group, T represents a methylene group or a carbonyl group, R represents an adamantyl group substituted with at least one selected from the group consisting of a C1-C4 alkyl group, a C1-C4 alkoxy group, a hydroxyl group, a hydroxymethyl group, a cyano group and an oxo group, and A+ represents an organic counter ion. The present invention further provides a chemically amplified resist composition comprising the salt represented by the above-mentioned formula (I).Type: ApplicationFiled: July 22, 2008Publication date: February 12, 2009Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Ichiki Takemoto
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Patent number: 7414148Abstract: A process for producing an alkoxycarbonylfluoroalkanesulfonate represented by the formula [1] is provided. This process includes the steps of (a) reacting a halofluoroalkanoate represented by the formula [2], with a sulfinating agent, thereby obtaining an alkoxycarbonylfluoroalkanesulfinate represented by the formula [3]; and (b) reacting the alkoxycarbonylfluoroalkanesulfinate with an oxidizing agent, thereby obtaining the target alkoxycarbonylfluoroalkanesulfonate. Furthermore, it is possible to react the obtained alkoxycarbonylfluoroalkanesulfonate with a monovalent onium salt to conduct a salt exchange, thereby obtaining a alkoxycarbonylfluoroalkanesulfonic acid onium salt represented by the formula [4].Type: GrantFiled: October 24, 2007Date of Patent: August 19, 2008Assignee: Central Glass Company LimitedInventors: Masaki Fujiwara, Jonathan Joachim Jodry, Satoru Narizuka
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Patent number: 7399577Abstract: Compounds of the formula (I) or (II) wherein R1 is C1-C10haloalkylsulfonyl, halobenzenesulfonyl, C2- C10haloalkanoyl, halobenzoyl; R2 is halogen or C1-C10 haloalkyl; Arl is phenyl, biphenylyl, fluorenyl, naphthyl, anthracyl, phenanthryl, or heteroaryl, all of which are optionally substituted; Ar?1 is for example phenylene, naphthylene, diphonylene, heteroarylene, oxydiphenylene, phenyleneD-D1-D-phenylene or —Ar?1-A1—Y1-A1—Ar?1—; wherein these radicals optionally are substituted; Ae?, is phenylene, naphthylene, anthracylene, phenanthrylene, or heteroarylene, all optionally substituted; A, is for example a direct bond, —0—, —S—, or —NR6—; Y, inter alia is C1-C18alkylene; X is halogen; D is for example —0—, —S— or —NR6—; D, inter alia is C1-C18alkylene; are particularly suitable as photolatent acids in ArF resist technology.Type: GrantFiled: February 9, 2004Date of Patent: July 15, 2008Assignee: Ciba Specialty Chemicals CorporationInventors: Hitoshi Yamato, Toshikage Asakura, Akira Matsumoto, Peter Murer, Tobias Hintermann
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Patent number: 7105698Abstract: The process for separating the R(?)- and S(+)-5-[2-[[2-(2-ethoxyphenoxy)ethyl]amino]propyl]-2-methoxybenzene-sulfonamide enantiomers comprises (a) reacting a mixture of said enantiomers with an optically active organic acid to form diastereoisomeric salts with said enantiomers, where in said diastereoisomeric salts have different solubility and can be separated by crystallization; (b) separating the diastereoisomeric salt mixture enriched in the salt of one of the enantiomers; and (c) releasing said salts to obtain the R(?)or S(+) enantiomer. The R(?)-5-[2-[[2-(2-ethoxyphenoxy) ethyl]amino]propyl]-2-methoxybenzenesulfonamide enantiomer has ?-adrenergic blocking activity and is useful as an antihypertensive agent suitable for the treatment of congestive heart failure and benign prostatic hypertrophy.Type: GrantFiled: March 12, 2004Date of Patent: September 12, 2006Assignee: Ragactives, S.L.Inventors: Cristina Blanco Fernandez, Antonio Lorente Bonde-Larsen, Jorge Martin Juarez, Luis Octavio Silva Guisasola
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Process for resolution of tamsulosin and compounds, compositions, and processes associated therewith
Patent number: 6965051Abstract: Optically impure tamsulosin including racemic tamsulosin can be resolved into optically pure (R)- or (S)-tamsulosin by the use of diastereomeric sulfonate salts of tamsulosin in a fractional crystallization technique. Racemic tamsulosin free base is a useful starting material for the resolution process and a method of obtaining the same in solid form, including two crystalline polymorphic forms, is also provided.Type: GrantFiled: November 15, 2004Date of Patent: November 15, 2005Assignee: Synthon IP Inc.Inventors: Hans J. Hoorn, Theodorus H. A. Peters, Jaroslav Pis, Radim Scigel -
Patent number: 6861400Abstract: The present invention relates to novel hydrophobic soil dispersants having the formula: wherein A units are arylene units, one of which is phenyl, anthryl, or phenanthryl; each R is independently hydrogen, linear or branched C1-C4 alkyl, —O(R3O)mR4, and mixtures thereof; R3 is C2-C4 linear or branched alkylene, R4 is hydrogen, C1-C4 alkyl, phenyl, phenyl sulphonate, —CH2CH(SO3M)CH2OH, —CH2CH(OH)CH2SO3M, —(CH2)eSO3M, —(CH2)fCO2M, —(CH2)eCH(SO3M)-CH2SO3M, —(CH2)eCH(SO2M)-CH2SO3M, —(CH2)fPO3M, —PO3M, or mixtures thereof; M is hydrogen or a water-soluble cation, the index f is an integer from 1 to 6, the index e is an integer from 0 to 6, m is an integer from 0 to 25; R1 is a sulphonate group; R2 is an amino group; [CAP] is a chain capping unit selected from i) hydrogen; ii) an aryl unit having the formula: iii) an aryl unit having the formula: iv) an aryl unit having the formula: v) an aryl unit having the formula: vi) and mixtures thereof; R5 is hydrogen, —CH2OH, —CH2OSO3M, —CH3, and mixType: GrantFiled: July 31, 2002Date of Patent: March 1, 2005Assignee: The Procter & Gamble Co.Inventors: Daniel Stedman Connor, Rafael Ortiz
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Publication number: 20030109752Abstract: Optically impure tamsulosin including racemic tamsulosin can be resolved into optically pure (R)- or (S)-tamsulosin by the use of diastereomeric sulfonate salts of tamsulosin in a fractional crystallization technique. Racemic tamsulosin free base is a useful starting material for the resolution process and a method of obtaining the same in solid form, including two crystalline polymorphic forms, is also provided.Type: ApplicationFiled: July 31, 2002Publication date: June 12, 2003Inventors: Hans J. Hoorn, Theodorus H.A. Peters, Jaroslav Pis, Radim Scigel
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Patent number: 6265443Abstract: A method of treating neurotoxic injury, where the injury is the result of the release of oxygen-derived free radicals, is disclosed. The method utilizes carboxyfullerenes as free radicals scavengers to reduce the damage caused by the free radicals.Type: GrantFiled: June 2, 1997Date of Patent: July 24, 2001Assignee: Washington UniversityInventors: Dennis Wonkyu Choi, Laura Dugan, Tien-Sung Tom Lin, Tien-Yau Luh
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Patent number: 6143924Abstract: In the presence of an imide compound of the following formula (1), a sulfur oxide is reacted with an organic substrate to yield a corresponding sulfur acid or its salt. This process can efficiently produce an organic sulfur acid or its salt under relatively mild conditions. ##STR1## wherein each of R.sup.1 and R.sup.2 is, identical to or different from each other, a hydrogen atom, a halogen atom, an alkyl group, an aryl group, a cycloalkyl group, a hydroxyl group, an alkoxy group, a carboxyl group, an alkoxycarbonyl group, or an acyl group, where R.sup.1 and R.sup.2 may be combined to form a double bond or an aromatic or non-aromatic ring; X is an oxygen atom or a hydroxyl group, where one or two N-substituted cyclic imido groups indicated in the formula (1) may be further bonded to the aforementioned R.sup.1, R.sup.2 or to the double bond or aromatic or non-aromatic ring formed together by R.sup.1 and R.sup.2.Type: GrantFiled: March 9, 2000Date of Patent: November 7, 2000Assignee: Daicel Chemical Industries, LTDInventors: Yasutaka Ishii, Tatsuya Nakano
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Patent number: 5955501Abstract: Compounds having anti-inflammatory and other activities are disclosed. The compounds are derived from phorboids of the diterpene- and benzolactam-classes.Type: GrantFiled: June 7, 1995Date of Patent: September 21, 1999Assignee: Procyon Pharmaceuticals, Inc.Inventors: Paul E. Driedger, James Quick
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Patent number: 5922635Abstract: A solid superacid catalyst composition of a carrier material having a particle size of between 0.5 and 5000 nm and at least one pendant fluoroalkylsulfonic acid or fluoro, perfluoroalkylsulfonic acid group attached thereto. Also, methods for making this catalysts by attaching pendant fluoroalkylsulfonic acid or fluoro, perfluoroalkylsulfonic acid groups to the carrier material by various procedures to form the catalyst composition.Type: GrantFiled: May 6, 1998Date of Patent: July 13, 1999Inventors: George A. Olah, G. K. Surya Prakash
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Patent number: 5698595Abstract: Application of a compound having at least one sulfonic acid functional group which is at least partially non-neutralized, in a cosmetic or dermatological composition, to the skin is useful for treating intrinsic ageing of the skin.Type: GrantFiled: December 19, 1996Date of Patent: December 16, 1997Assignee: L'OrealInventors: Jean Paul Boelle, Jean-Pierre Laugier, Serge Forestier
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Patent number: 5648523Abstract: The invention relates to fullerene derivatives which are capable of scavenging free radicals. The derivatives have the formula F(--X).sub.m (--Y--Z).sub.n, in which F is a fullerene core; each X is independently --CO.sub.2.sup.-, --SO.sub.3.sup.-, --SH, or the like; each --Y--Z is independently (C.sub.3-30 alkyl ether).sub.50 --CH.sub.2 --CO.sub.2.sup.-, (C.sub.3-30 alkyl ester).sub.50 --CH.sub.2 --SO.sub.3.sup.-, (C.sub.3-30 alkyl amide).sub.50 --CH.sub.2 --SH, or the like; m is 0-30; n is 0-30; and the sum of m and n is 2-30.Type: GrantFiled: October 26, 1995Date of Patent: July 15, 1997Inventor: Long Y. Chiang
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Patent number: 5200533Abstract: A process suitable for industrially preparing 2,3-trans-1,4-bridged cyclohexane sulfonamide derivatives, especially useful as an intermediate for the synthesis of a trans bicyclo[2,2,1] heptane carboxylic acid derivative, a clinically important thromboxane A.sub.2 antagonist, comprising: allowing to react corresponding a cis/trans mixture of sulfonamide derivatives with an anionoid or water-soluble carbonyl reagent at pH 3-7 so that the trans isomer may form a water-soluble adduct with the anionoid or carbonyl reagent, separating the resulting adduct dissolved in an aqueous layer, and recovering the trans isomer by treating the adduct with a base or an acid. Also provided is an alkali metal hydrogen sulfite adduct of 2,3-trans 1,4-bridged cyclohexane sulfonamide derivative.Type: GrantFiled: March 12, 1992Date of Patent: April 6, 1993Assignee: Shionogi & Co., Ltd.Inventors: Masayuki Narisada, Mitsuaki Ohtani, Fumihiko Watanabe, Kyozo Kawata
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Patent number: 5144081Abstract: The invention relates to dialkoxybenzylidene-camphor derivatives of the formula I ##STR1## in which R.sup.1 and R.sup.2, in each case independently of one another, are a straight-chain or branched alkyl radical having 1 to 10 c atoms, andX is H or SO.sub.3 H,and to a process for their preparation and their use in cosmetic and pharmaceutical preparations.Type: GrantFiled: September 4, 1991Date of Patent: September 1, 1992Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Ulrich Heywang, Roland Martin, Ingeborg Stein
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Patent number: 5120865Abstract: A process suitable for industrially preparing 2,3-trans-1,4-bridged cyclohexane sulfonamide derivatives, especially useful as an intermediate for the synthesis of a trans bicyclo[2,2,1] heptane carboxylic acid derivative, a clinically important thromboxane A.sub.2 antagonist, comprising: allowing to react corresponding a cis/trans mixture of sulfonamide derivatives with an anionoid or water-soluble carbonyl reagent at pH3-7 so that the trans isomer may form a water-soluble adduct with the anionoid or carbonyl reagent, separating the resulting adduct dissolved in an aqueous layer, and recovering the trans isomer by treating the adduct with a base or an acid. Also provided is an alkali metal hydrogen sulfite adduct of 2,3-trans 1,4-bridged cyclohexane sulfonamide derivative.Type: GrantFiled: August 30, 1991Date of Patent: June 9, 1992Assignee: Shionogi & Co., Ltd.Inventors: Masayuki Narisada, Mitsuaki Ohtani, Fumihiko Watanabe, Kyozo Kawata
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Patent number: 5081152Abstract: A series of new azulene analogues are disclosed, which are represented by the following formula: ##STR1## wherein: R.sub.1 is --COOH, --COOR.sub.4 (R.sub.4 represents a lower alkyl), --CH.dbd.CH--COOH, --CH.sub.2 --COOH or --SO.sub.3 H;R.sub.2 is a hydrogen atom or lower-alkyl group;R.sub.3 is a hydrogen atom, a lower alkyl or benzyl group;A is --SO.sub.2 --, ##STR2## (R.sub.5 represents a lower alkyl); B is a phenyl, a lower alkylphenyl, a lower alkoxyphenyl, nitrophenyl, trifluoroalkylphenyl, mono-or di-halogenated-phenyl, naphthyl or tetrahydroaphthyl group;Y is an alkylene or alkenylene group.The compounds of the present invention are useful as thromboxane A.sub.2 and prostagrandin endoperoxide receptor antagonists.Type: GrantFiled: June 26, 1990Date of Patent: January 14, 1992Assignee: Kotobuki Seiyaku Co., Ltd.Inventors: Tsuyoshi Tomiyama, Akira Tomiyama, Masayuki Yokota, Shuuichi Wakabayashi, Hiromi Hayashi, Rei Koyama, Masafumi Yasunami
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Patent number: 5064641Abstract: Polyvalent metal salt of a sulphonated derivative of benzylidenecamphor having the general formula: ##STR1## in which M.sup.n+ denotes a polyvalent metal cation in which n is equal to 2, 3 or 4; andOne of the symbols X.sub.1 or X.sub.2 denotes a hydrogen atom, the other denoting one of the following radicals Y.sub.1 Y.sub.2 : ##STR2## where M.sup.n+ has the same meaning as above. Cosmetic composition screening out UV rays of wavelengths 280-380 nm, containing the compound of formula (I) as well as, optionally, other sunscreens.Type: GrantFiled: November 22, 1989Date of Patent: November 12, 1991Assignee: L'OrealInventors: Gerard Lang, Serge Forestier, Claudine Morie, Alain Lagrange
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Patent number: 4978780Abstract: A process for the preparation of ether sulfonates or polyglycol ether sulfonates by reacting an organic alcoholic or phenolic compound or the corresponding alkoxylate in aqueous solution with vinyl sulfonate in the presence of from 0.1 to 3.0% by weight of an alkaline catalyst and, if required, additionally in the presence of a phase-transfer catalyst, and ether sulfonates or polyglycol ether sulfonates prepared by this process and of the general formulaR--O(C.sub.n H.sub.2n O).sub.z --CH.sub.2 CH.sub.2 SO.sub.3 Xwhere R is H or an aliphatic or aromatic hydrocarbon radical (which may contain nitrogen as a heteroatom) of 1 to 30 carbon atoms, n is from 2 to 30, z is from 0 to 300 and X is an alkali metal.Type: GrantFiled: September 11, 1989Date of Patent: December 18, 1990Assignee: BASF AktiengesellschaftInventors: Rolf Fikentscher, Norbert Greif, Knut Oppenlaender, Karl Stork
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Patent number: 4857663Abstract: N-(3-Dialkylamino-2-propenylidene)-N-alkylalkanaminium salts substituted in the 2-position with an ether or thioether and having the formula ##STR1## are active as hypoglycemic agents.Type: GrantFiled: November 16, 1988Date of Patent: August 15, 1989Assignee: Merrell Dow Pharmaceuticals Inc.Inventors: Eugene R. Wagner, Donald P. Matthews, Charlotte L. Barney