Acyclic Hydrocarbyl Group Bonded Directly To The Bicyclo Ring System Patents (Class 568/736)
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Publication number: 20130288137Abstract: An electrolyte includes an alkali metal salt; an aprotic solvent; and a redox shuttle additive including an aromatic compound having at least one aromatic ring fused with at least one non-aromatic ring, the aromatic ring having two or more oxygen or phosphorus-containing substituents.Type: ApplicationFiled: April 26, 2012Publication date: October 31, 2013Inventors: Wei Weng, Zhencheng Zhang, Khalil Amine
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Publication number: 20130150607Abstract: This invention is directed to a new process for making an alkylaromatic compound. In an embodiment of this invention, the process is directed to selective synthesizing an alkylaromatic compound comprising a high amount of dialkylate product. In general, this process involves contacting at least one alkylatable aromatic compound with an alkylating agent and a catalyst under suitable reaction conditions such that the resulting reactor effluent prior to any stripping step may be characterized by a dialkylate product content of at least 44 wt % and a trialkylate and higher polyalkylate product content of no more than 20 wt %. The alkylaromatic compounds produced have excellent thermal and oxidative stabilities, good additive solvency, and improved seal compatibility while maintaining good VI and low temperature properties. They are useful as lubricant basestocks and lubricant additives.Type: ApplicationFiled: December 7, 2011Publication date: June 13, 2013Inventor: Beth A. WINSETT
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Publication number: 20130150608Abstract: This invention is directed to an improvement in the process for the production of alkylaromatic compounds that results in lower levels of residual unreacted materials in the final product. This invention comprises: 1) alkylation of an aromatic compound with an alkylating agent and a catalyst to produce an effluent stream comprising an alkylaromatic compound and unreacted materials; 2) heating the effluent stream; 3) stripping the effluent stream in a stripping device in the presence of steam; 4) separating a stripping stream from the stripping device, the stripping stream rich in unreacted materials; and 5) separating a product stream from the stripping device, the product stream rich in alkylated aromatic compound.Type: ApplicationFiled: December 13, 2011Publication date: June 13, 2013Inventors: Beth A. Winsett, James I. Arnett, II, Kenwyn M. Leger, Brady A. Compton
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Publication number: 20120202994Abstract: The invention relates to a method for carrying out a chemical reaction for producing a target compound by heating in a reactor a reaction medium containing at least one first reactant, such that a chemical bond inside the first reactant or between the first and a second reactant is formed or modified. The reaction medium is brought into contact with a solid heating medium that can be warmed by electromagnetic induction and that is inside the reactor and is surrounded by the reaction medium. Said heating medium is heated by electromagnetic induction with the aid of an inductor and the target bond is formed from the first reactant or from the first and a second reactant and said target bond is separated from the heating medium.Type: ApplicationFiled: April 16, 2012Publication date: August 9, 2012Inventors: Carsten Friese, Andreas Kirschning, Jürgen Wichelhaus, Sascha Volkan Ceylau
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Patent number: 7973200Abstract: The invention relates to the use as perfuming ingredients of 8a-alkyl-perhydro-naphthalenol derivatives, to impart odor notes of the woody-earthy type.Type: GrantFiled: October 29, 2008Date of Patent: July 5, 2011Assignee: Firmenich SAInventors: Robert Moretti, Olivier Etter
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Publication number: 20100249404Abstract: The invention relates to a method for carrying out a chemical reaction for producing a target compound by heating in a reactor a reaction medium containing at least one first reactant, such that a chemical bond inside the first reactant or between the first and a second reactant is formed or modified. The reaction medium is brought into contact with a solid heating medium that can be warmed by electromagnetic induction and that is inside the reactor and is surrounded by the reaction medium. Said heating medium is heated by electromagnetic induction with the aid of an inductor and the target bond is formed from the first reactant or from the first and a second reactant and said target bond is separated from the heating medium.Type: ApplicationFiled: June 11, 2010Publication date: September 30, 2010Inventors: Carsten Friese, Andreas Kirschning, Jurgen Wichelhaus, Sascha Volhan Ceylan
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Patent number: 7592492Abstract: The present invention relates to the use as perfuming ingredients of certain derivatives of perhydro-1-naphthalenol of formula: wherein, in particular, each R represents a hydrogen atom or a methyl group, R1 and R3 represent a methyl or ethyl group, and R2 represents a hydrogen atom or a lower acyl group.Type: GrantFiled: May 3, 2007Date of Patent: September 22, 2009Assignee: Firmenich SAInventors: Robert Moretti, Olivier Etter
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Publication number: 20090130043Abstract: The present invention relates to the use as perfuming ingredients of certain derivatives of perhydro-1-naphthalenol of formula: wherein, in particular, each R represents a hydrogen atom or a methyl group, R1 and R3 represent a methyl or ethyl group, and R2 represents a hydrogen atom or a lower acyl group.Type: ApplicationFiled: May 3, 2007Publication date: May 21, 2009Inventors: Robert Moretti, Olivier Etter
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Patent number: 6838583Abstract: An antimicrobial compound, composition containing such compound, and method of use of the same for reducing the presence of microorganism on a substrate or in a fluid environment comprising an antimicrobial effective carrier and one or more essential antimicrobial compounds including non-halogenated naphthol compounds.Type: GrantFiled: May 20, 2003Date of Patent: January 4, 2005Assignee: Warner-Lambert Company LLCInventors: David Scott Harper, Robert A. Coburn, Andre Soshinsky, Constantine Georgiades, Marianne D. Huntley
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Publication number: 20040197886Abstract: The present invention provides the excellent crystallization method suitable for production on the industrial scale for obtaining the reduced coenzyme Q10 crystal.Type: ApplicationFiled: May 10, 2004Publication date: October 7, 2004Inventors: Takahiro Ueda, Shiro Kitamura, Yasuyoshi Ueda
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Patent number: 5962002Abstract: This invention relates to 1,1,1,4-substituted naphthaline compounds, compositions, processes for their preparation and processes for their use as pesticides, especially insecticides, acaricides and fungicides.Type: GrantFiled: July 10, 1997Date of Patent: October 5, 1999Assignee: BTG International LimitedInventors: Bhupinder Pall Singh Khambay, Duncan Batty, Stuart Cameron, David Gordon Beddie
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Patent number: 5744623Abstract: Terpene-quinone with antitumor activity defined from a cyclocondensation reaction of Diels-Alder, used to obtain families or series of said compounds having a new structure and presenting a cytotoxic activity to cellular cultures P-388, A-549, HT-29 and MEL-28, with levels of IC.sub.50 lower than 1 microgram per unit of milliliter.Type: GrantFiled: October 4, 1996Date of Patent: April 28, 1998Assignee: Pharma Mar, s.a.Inventors: M.sup.a Dolores Garcia Gravalos, Marina Gordaliza Escobar, Santana Jose M.sup.a Miguel Del Corral, Ma del Mar Mahiques Bujanda, Arturo San Feliciano Martin
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Patent number: 5420362Abstract: 4-Halo-1-naphthol is reacted with a secondary amine and formaldehyde to produce a reaction mixture containing a Mannich base which is hydrogenated to produce 2-methyl-1-naphthol. Advantageously, the procedure can be carried out in one pot.Type: GrantFiled: October 8, 1993Date of Patent: May 30, 1995Assignee: Clairol, Inc.Inventors: Mu-Ill Lim, Linas Stasaitis, Yuo-Guo Pan, Alexander Chan
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Patent number: 5344997Abstract: A fluorided silica-alumina catalyst, particularly one with a silica:alumina ratio in the range of 1:1-9:1 containing from 1 to 6 weight percent fluoride, is particularly effective in the liquid phase alkylation of benzene by linear olefins to produce linear alkyl benzenes at temperatures no greater than 140.degree. C. These catalysts also are effective in the liquid phase alkylation of alkylatable aromatics generally with a variety of alkylating agents, including olefins, alcohols, and alkyl halides.Type: GrantFiled: December 14, 1992Date of Patent: September 6, 1994Assignee: UOPInventor: Joseph A. Kocal
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Patent number: 5302732Abstract: Silica-aluminas having a sodium content less than about 0.1 weight percent show increased stability when used as a catalyst for the alkylation of aromatic compounds. Where such silica-aluminas are used as the catalyst in detergent alkylation their increased stability permits continuous alkylation to be performed at lower temperatures, as a result of which the detergent alkylate product shows an incrementally higher linearity. Fluorided silica-aluminas having a sodium content of under 0.05 weight percent are particularly advantageous.Type: GrantFiled: September 14, 1992Date of Patent: April 12, 1994Assignee: UOPInventors: Karl Z. Steigleder, Christine M. Conway, David M. Baldwin, Diane C. Dierking
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Patent number: 5286902Abstract: A process is disclosed for the synthesis of 2-(6-methoxy-2-naphthyl)propionic acid that utilizes 2,6-diisopropylnaphthalene.Type: GrantFiled: April 15, 1991Date of Patent: February 15, 1994Assignee: Koch Industries, Inc.Inventors: Dustin K. James, Andrew P. Komin, John R. Siegman
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Patent number: 5278343Abstract: 2-Methyl-1-naphthol is obtained by isomerization of 2-methylene-1-tetralone. For the isomerization of 2-methylene-1-tetralone there is used a Pd-, Rh- or Ru-based catalyst that has been previously treated with hydrogen gas. 2-Methylene-1-tetralone synthesized from 1-tetralone by the Mannich reaction can be used for this purpose.Type: GrantFiled: February 22, 1993Date of Patent: January 11, 1994Assignee: Kuraray Company, Ltd.Inventors: Masato Taniura, Yoshin Tamai
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Patent number: 5243058Abstract: A naphthalene derivative of the following general formula (1) having at least one allyl or propenyl group is described. ##STR1## In the formula, each G represents a hydrogen atoms or ##STR2## R.sup.1 's independently represent a hydrogen atom, an allyl group or a propenyl group provided that at least one or R.sup.1 's is an allyl group or a propenyl group, and R.sup.2 's independently represent a hydrogen atom, an unsubstituted or substituted monovalent hydrocarbon group having from 1 to 6 carbon atoms, or a halogen atom. The derivative is useful for modifying curable resins or resin compositions to provide cured products which have a low water absorption, high strength and a high glass transition temperature. The derivative has good working properties and a good heat resistance.Type: GrantFiled: January 24, 1992Date of Patent: September 7, 1993Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Toshio Shiobara, Kazutoshi Tomiyoshi, Hisashi Shimizu, Manabu Narumi
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Patent number: 5223602Abstract: This invention relates to naphthol aralkyl resins of the general formula (I) ##STR1## in which A is a naphthalene nucleus, R is hydrogen or methyl, and n is an integer from 0 to 15 and cured products thereof, which are highly heat- and moisture-resistant, possess excellent impact strength and other mechanical properties, and are useful for such applications as lamination, molding, casting, and adhesion.Type: GrantFiled: January 24, 1992Date of Patent: June 29, 1993Assignee: Nippon Steel Chemical Co., Ltd.Inventors: Masashi Kaji, Takanori Aramaki, Norito Nakahara, Yasuharu Yamada
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Patent number: 5171915Abstract: It is disclosed that aromatic compounds can be alkylated with mono-olefinic HVI-PAO dimer in contact with an acidic catalyst to produce novel alkylated aromatic compositions. It has been found that the novel HVI-PAO dimer alkylated aromatic compositions exhibit an extraordinary combination of properties relating to low viscosity with high viscosity index and low pour point which renders them very useful as lubricant basestock. Further, it has been found that the novel alkylaromatic compositions of the present invention show improved oxidative stability. Depending upon the substituent groups on the aromatic nucleus, useful lubricant additives can be prepared for improved antiwear, antioxidant and other properties. HVI-PAO dimer is prepared as a product or by-product from 1-alkene oligomerization using reduced chromium oxide on solid support.Type: GrantFiled: February 21, 1989Date of Patent: December 15, 1992Assignee: Mobil Oil CorporationInventors: Thomas R. Forbus, Bruce P. Pelrine
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Patent number: 5087769Abstract: A method of forming 6-substituted-2-vinyl naphthalene from a 2-substituted naphthalene compound wherein the substituent in the 2-position is an ortho-para directing electron-donating group not reactive with hydrogen fluoride, comprises contacting the naphthalene compound and an acylating agent with substantially anhydrous hydrogen fluoride to acylate the naphthalene compound to a 6-substituted-2-acylnaphthalene compound, hydrogenating the 6-substituted-2-acylnaphthalene compound to convert the 2-acyl substituent to an alcohol substituent, dehydrating the product of hydrogenation in the presence of a free radical inhibitor to convert the alcohol substituent to an olefinic substituent, and isolating the formed 6-substituted-2-vinylnaphthalene subsequent to the dehydration.Type: GrantFiled: September 26, 1990Date of Patent: February 11, 1992Assignee: Hoechst Celanese CorporationInventors: Mohammad Aslam, Henry C. Linstid, III., Kenneth G. Davenport
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Patent number: 5068293Abstract: The invention relates to naphthol-based epoxy resins of the general formula (I) ##STR1## in which A is a naphthalene nucleus, R is hydrogen or methyl, and n is an integer from 0 to 15, naphthol aralkyl resins which are intermediates for said epoxy resins, a process for the preparation of said naphthol aralkyl resins, and epoxy resin compositions containing said naphthol-based epoxy resins which are highly heat- and moisture-resistant, possess excellent impact strength and other mechanical properties, and are useful for such applications as lamination, molding, casting, and adhesion.Type: GrantFiled: August 30, 1990Date of Patent: November 26, 1991Assignee: Nippon Steel Chemical Co., Ltd.Inventors: Masashi Kaji, Takanori Aramaki, Norito Nakahara, Yasuharu Yamada
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Patent number: 5041639Abstract: New polysubstituted derivatives of naphthalene. These derivatives correspond to the following formula: ##STR1## in which: R.sub.1 to R.sub.4 is H or CH.sub.3R.sub.5 is ##STR2## or (iv) the radical: 2-oxazolinyl m is 0 or 1R.sub.8.sbsb.r is H, alkyl, OR.sub.11, R.sub.11 being H, alkyl or ##STR3## R.sub.13 being alkyl or aryl or R.sub.8 is ##STR4## when m=1, r' and r" representing H, alkyl mono or polyhydroxyalkyl, aryl or a heterocycle when they are taken together, R.sub.9 is H or alkyl, R.sub.10 is H, alkyl and the acetals of the said compounds ##STR5## --OR.sub.14, R.sub.14 being H, alkyl, mono or polyhydroxyalkyl, aryl or aralkyl a rest of a sugar or represents ##STR6## being 0, 1, 2 or 3 R.sub.6 represents a hydrogen atom or a lower alkyl radical,R.sub.7 represents H, alkyl, halogen, hydroxyl, sulfydryl, alkoxy, alkylthio, acyloxy, acylthio, acylamino or primary, secondari or tertiary amino and the salts of the said compounds.These compounds find an application in the cosmetic and pharmaceutical fields.Type: GrantFiled: September 15, 1989Date of Patent: August 20, 1991Assignee: Centre International de Recherches Dermatologiques C.I.R.D.Inventors: Braham Shroot, Jacques Eustache, Martine Bouclier
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Patent number: 5003113Abstract: In a process of producing isopropylnaphthols by oxidizing diisopropylnaphthalenes with molecular oxygen in a liquid phase to provide a reaction mixture which contains therein diisopropylnaphthalene monohydroperoxides and then acid decomposing the monohydroperoxides to isopropylnaphthols, the improvement comprising separating an organic layer from the reaction mixture, adding lower aliphatic alcohols of 1-4 carbons to the organic layer, crystallizing the diisopropylnaphthalenes while allowing the diisopropylnaphthalene monohydroperoxides to remain dissolved in the lower aliphatic alcohols, thereby to separate the monohydroperoxides from the diisopropylnaphthalenes.A further improvement in the process comprises crystallizing the isopropylnaphthols from aromatic hydrocarbons of 6-12 carbons.Type: GrantFiled: November 22, 1989Date of Patent: March 26, 1991Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Michio Tanaka, Masayasu Ishibashi, Katsuo Taniguchi
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Patent number: 4978789Abstract: A process for producing an alkenyl substituted aromatic compound having the general formula (I): ##STR1## wherein Ar represents an aromatic ring, R.sup.1 represents an alkenyl group having 2 to 8 carbon atoms, p is 1, 2, or 3 provided that R.sup.1 may be the same or different when p is 2 or 3, R.sup.2 represents an alkyl group having 1 to 8 carbon atoms, q is 0, 1, or 2 provided that R.sup.2 may be the same or different when q is 2, X represents --OH or --NR.sup.3 R.sup.4 wherein R.sup.3 and R.sup.4 independently represent hydrogen or an alkyl group having 1 to 2 carbon atoms, n is 1 or 2, provided that the sum of p and q is 1, 2, or 3 comprising the step of catalytically dehydrogenating an alkyl substituted aromatic compound having the general formula (III): ##STR2## wherein R.sup.5 represents an alkyl group having 2 to 8 carbon atoms and Ar, R.sup.2, X, p, q, and n are the same as defined above, n is 1 or 2, provided that R.sup.Type: GrantFiled: July 10, 1989Date of Patent: December 18, 1990Inventors: Katsuo Taniguchi, Shigeki Fujikawa, Yoshito Kurano
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Patent number: 4906790Abstract: A method of oxidizing secondary alkyl substituted naphthalenes with molecular oxygen in a liquid phase to hydroperoxides, carbinols or mixtures of these, which comprises: oxidizing the secondary alkyl substituted naphthalenes in the presence of an aromatic hydrocarbon having a fused ring which contains at least one methylene group therein in amounts of not more than about 1000 ppm based on the secondary alkyl substituted napththalene used.A process of producing isopropylnaphthols is also disclosed, which comprises: oxidizing diisopropylnaphthalenes with molecular oxygen in a liquid phase to diisopropylnaphthalene monohydroperoxides in the presence of (a) either an aromatic hydrocarbon having a fused ring which contains at least one methylene group therein, or a paladium catalyst soluble in the reaction mixture, and (b) an organic polar compound such as acetonitrile; and then acid-decomposing the diisopropylnaphthalene monohydroperoxide to the isopropylnaphthol.Type: GrantFiled: September 9, 1988Date of Patent: March 6, 1990Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Masaharu Ishiguro, Hisaya Miki, Nobuya Hirokane
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Patent number: 4833164Abstract: 2-Substituted-1-naphthols are 5-lipoxygenase inhibitors which make them useful in the treatment of inflammation, obstructive lung diseases and/or psoriasis. Useful 2-substituent groups are alkyls, alkenyls, alkynyls, cycloalkyls, cycloalkenyls, the groups CH.sub.2 --C.tbd.C--(CH.sub.2).sub.m R.sup.5 and CH.dbd.CH--(CH.sub.2).sub.n R.sup.5 (where m is 1-4, n is 0-3 and R.sup.5 includes phenyl, COOR.sup.9, where R.sup.9 is H or alkyl of 1-4 carbons, AR.sup.6 (where A is a methylene chain and R.sup.6 is a variety of groups including Cl, Br, I, CHO, CN, COOR.sup.9, NH.sub.2, SC(NH)NH.sub.2, phenyl, P(O)(OR.sup.9).sub.2, etc.), and CHR.sup.7 R.sup.21 (where R.sup.7 is a variety of aromatic and heterocyclic groups and R.sup.21 is H, optionally substituted phenyl and a variety of heterocyclic groups).Type: GrantFiled: March 19, 1986Date of Patent: May 23, 1989Assignee: E. I. Du Pont de Nemours and CompanyInventor: Douglas G. Batt
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Patent number: 4760174Abstract: Tetralin derivatives of the formula I ##STR1## where X, R.sup.1, R.sup.2 and R.sup.3 have the meanings stated in the description, and their preparation are described. The novel compounds are useful for the treatment of disorders.Type: GrantFiled: September 20, 1985Date of Patent: July 26, 1988Assignee: BASF AktiengesellschaftInventors: Fritz-Frieder Frickel, Hans-Heiner Wuest, Axel Nuerrenbach
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Patent number: 4680310Abstract: Tetrahydronaphthalene derivatives of the formula ##STR1## wherein Y, m, n, R and R.sup.1 to R.sup.9 are as set forth herein, are described.These compounds have a pronounced calcium-antagonistic and anti-arrhythmic activity and can accordingly be used as medicaments, especially for the control or prevention of angina pectoris, ischaemia, arrhythmias and high blood pressure. The compounds of formula I can be prepared by the amination of a compound of the formula ##STR2## with a corresponding N-methyl-phenylalkylamine and optional subsequent O-acylation. Compounds of formula II and IV are also described and are within the scope of the invention.Type: GrantFiled: October 10, 1985Date of Patent: July 14, 1987Assignee: Hoffmann-La Roche Inc.Inventors: Urs Hengartner, Henri Ramuz
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Patent number: 4551562Abstract: The nuclear hydroxylation of phenol with organic solutions of hydrogen peroxide in the presence of a catalyst is carried out in improved manner by employing both (1) a special, practically water free solution of hydrogen peroxide in an organic solvent which does not form an azeotrope with water or whose highest azeotrope with water, boil near or above the boiling point of hydrogen peroxide, and (2) employing as a catalyst XO.sub.2 where X is sulfur, selenium, or tellurium. Besides increasing the yield and the ability to carry out the reaction in a simpler manner when selenium dioxide is employed as a catalyst, there can also be controlled the ortho-para ratio, respectively, the ortho-ortho ratio of the product.Type: GrantFiled: March 13, 1984Date of Patent: November 5, 1985Assignee: Degussa AktiengesellschaftInventors: Karlheinz Drauz, Axel Kleemann
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Patent number: 4473713Abstract: At least one of the other functions comprising an aryl-aliphatic ether, e.g., veratrol, is catalytically hydrolyzed with water, e.g., to guaiacol, in the presence of a catalytically effective amount of a salt of a carboxylic acid.Type: GrantFiled: September 27, 1982Date of Patent: September 25, 1984Assignee: Rhone-Poulenc Specialites ChimiquesInventor: Serge Ratton
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Patent number: 4408077Abstract: A process and intermediates for preparing 6-(lower alkoxy)-5-(trifluoromethyl)-1-naphthalenecarboxylic acid derivatives are disclosed. The derivatives are useful for preparing aldose reductase inhibitors. With reference to the process, 1,1,1-trifluoro-5-(2-methylphenyl)-2,3-pentadione 3-oxime is cyclized to give a key intermediate 3,4-dihydro-1-hydroxy-5-methyl-1-(trifluoromethyl)-2(1H)-naphthalenone oxime; and 3,4-dihydro-1-hydroxy-5-methyl-1-(trifluoromethyl)-2(1H)-naphthalenone is aromatized to 5-methyl-1-(trifluoromethyl)-2-naphthalenol with a dehydrating agent.Type: GrantFiled: November 13, 1981Date of Patent: October 4, 1983Assignee: Ayerst, McKeena & Harrison, Inc.Inventors: Kazimir Sestanj, Steven Fung, Nedumparambil A. Abraham, Francesco Bellini
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Patent number: 4334106Abstract: An improved process is provided for the preparation of a certain class of hydroxyphenyl-indanol compounds by the cyclization of a phenol selected from the group consisting of an isopropenylphenol, oligomers thereof, and mixtures of any of said group in any combination and proportion, by dissolving said phenol in a stoichiometric excess of an organic acid selected from the group consisting of trifluoroacetic acid, trichloroacetic acid, difluoroacetic acid, dichloroacetic acid, fluoroacetic acid, chloroacetic acid, formic acid, and mixtures thereof at a temperature falling within a range of from about 0.degree. C. to about 90.degree. C. to form a solution; and maintaining said solution at a temperature falling within the above said range until the formation of said indanol is substantially complete.The dihydroxy compounds produced by the present method are useful in the preparation of epoxy, alkyd, and urethane resins in particular.Type: GrantFiled: February 5, 1981Date of Patent: June 8, 1982Assignee: The Upjohn CompanyInventor: Shenghong A. Dai
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Patent number: 4323714Abstract: Hydroxy-substituted aromatic compounds may be alkylated by treatment with an alkylating agent such as an olefin or an alcohol at a temperature in the range of from about 50.degree. to about 200.degree. C. and a pressure in the range of from about atmospheric to about 100 atmospheres in the presence of a fluoro-substituted resin. The resulting product will comprise both mono- and di-alkylated hydroxy-substituted aromatic compounds.Type: GrantFiled: November 20, 1980Date of Patent: April 6, 1982Assignee: UOP Inc.Inventors: Thomas P. Malloy, Dusan J. Engel
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Patent number: 4320235Abstract: 1-(Aralkyl)-2-naphthols are prepared by reacting a 2-naphthol with a styrene in the presence of a carboxylic acid.The 1-(aralkyl)-2-naphthols obtainable by the process according to the invention are valuable starting materials for the preparation of dyes, pest control agents, drugs, ointments, emulsifiers, dispersants, stabilizers, hydraulic fluids, plasticizers, corrosion inhibitors, disinfectants, crop protection agents and scents.Type: GrantFiled: November 21, 1980Date of Patent: March 16, 1982Assignee: BASF AktiengesellschaftInventors: Franz Merger, Gerhard Nestler
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Patent number: 4238628Abstract: Process for the production of undegraded alkylated aromatic compounds by alkylating an aromatic compound with a C.sub.3 or higher olefin polymer having terminal ethylene units.Type: GrantFiled: September 28, 1978Date of Patent: December 9, 1980Assignee: Standard Oil Company (Indiana)Inventors: Paul J. Cahill, Carl E. Johnson
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Patent number: 4199531Abstract: A novel method for producing hydroquinone and quinone derivatives by a regio- and stereo-specific coupling reaction of hydroquinone derivative having a terminal activated (poly)prenyl side chain with a prenyl derivative. This method can provide in good yield various hydroquinone and quinone derivatives having any prenyl length of the side chain.Type: GrantFiled: October 11, 1977Date of Patent: April 22, 1980Assignee: Takeda Chemical Industries, Ltd.Inventors: Shinji Terao, Kaneyoshi Kato
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Patent number: 4171458Abstract: Process for the manufacture of .alpha.-naphthol by hydrolyzing .alpha.-naphthyl esters of aliphatic carboxylic acids in a distillation column by means of steam in counter-current at a particular temperature, and in a certain ratio, in the presence of naphtholsulfonic acids and/or sulfonic acids of naphthyl esters. The .alpha.-naphthol obtainable by the process of the invention is a valuable starting material for the manufacture of dyes, drugs and insecticides, e.g. .alpha.-naphthyl N-methylcarbamate.Type: GrantFiled: February 10, 1978Date of Patent: October 16, 1979Assignee: BASF AktiengesellschaftInventors: Ludwig Schuster, Eckhard Hickmann, Klaus Halbritter
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Patent number: 4156789Abstract: 5,6,7,8-Tetrahydro-1,6,7-naphthalenetriols having the formula ##STR1## wherein R.sup.8, R.sup.9 and R.sup.10 are the same or different and are hydrogen, lower alkyl, monocyclic aryl-lower alkyl, lower alkoxy, carboxy, or monocyclic cycloalkyl, are intermediates useful in the preparation of compounds used to treat coronary diseases.Type: GrantFiled: October 9, 1975Date of Patent: May 29, 1979Assignee: E. R. Squibb & Sons, Inc.Inventors: Frederic P. Hauck, Christopher M. Cimarusti, Venkatachala L. Narayanan
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Patent number: 4120902Abstract: A process for the separation and purification of reaction product from the oxidation of hydrocarbyl aromatic compounds to hydrocarbyl aromatic hydroperoxides is provided comprising (1) extracting the oxidation effluent with an aqueous alcoholic base, (2) contacting the aqueous phase thus produced with a paraffin hydrocarbon solvent to remove residual unoxidized hydrocarbyl aromatic, (3) extracting the aqueous hydrocarbyl aromatic hydroperoxide phase remaining with an aromatic solvent, and (4) washing of the hydroperoxide-containing aromatic phase with water to remove base. The resulting hydroperoxide phase substantially free of unoxidized hydrocarbyl aromatic can be subjected to acid-catalyzed cleavage to produce hydroxy aromatic and carbonyl compound products without encountering the problem of azeotrope formation between unoxidized hydrocarbyl aromatic reactant with cleavage product.Type: GrantFiled: March 7, 1977Date of Patent: October 17, 1978Assignee: Phillips Petroleum CompanyInventor: Yulin Wu