Nitrogen Attached Indirectly To A Sulfinate Group By Acyclic Nonionic Bonding Patents (Class 562/126)
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Patent number: 10662150Abstract: A sulfonic acid salt composition includes compounds of formula (I), wherein n is 1 or 2, R1 is H or C1-C6 alkyl, R2 is COOM, SO3M or CH(OH)SO2—OM, each M is an equivalent of a multivalent metal, preferably magnesium, calcium, aluminum, zinc and combinations thereof. The molar ratio of a compound wherein n is 1 to a compound wherein n is 2 is below 0.1. The sulfonic acid salt composition is useful for color stabilization of non-living organic matter such as from lacquers, paints, powder-coatings, and polymers in particular water-absorbent polymers.Type: GrantFiled: December 12, 2017Date of Patent: May 26, 2020Assignee: L. BRÜGGEMANN GMBH & CO. KGInventors: Josef Berghofer, Stefan Mark, Tamara Bittlingmayer, Jessica Schreiweis
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Patent number: 9517934Abstract: The present invention in one embodiment provides a process of generating chlorine dioxide by reacting formamidinesulfinic acid (FSA) and sodium chlorite in an aqueous solution.Type: GrantFiled: March 10, 2014Date of Patent: December 13, 2016Assignee: The United States of America as Represented by the Secretary of the ArmyInventors: Christopher J. Doona, Kenneth Kustin
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Publication number: 20140314779Abstract: Cell culture media comprising antioxidants are provided herein as are methods of using the media for cell culturing and polypeptide production from cells. Compositions comprising polypeptides, such as therapeutic polypeptides, produced by the methods herein are also provided.Type: ApplicationFiled: March 14, 2014Publication date: October 23, 2014Applicant: GENENTECH, INC.Inventors: Natarajan VIJAYASANKARAN, Steven J. MEIER, Sharat VARMA, Yi YANG
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Patent number: 8563061Abstract: A method of inhibiting enzymatic browning in food involves the contacting of hypotaurine, a salt of hypotaurine or an equivalent of hypotaurine with the food. The hypotaurine can be provided from solution, an extract, or in solid form to a food that can loose its appeal to a consumer due to browning, such as cut fruits and vegetables, seafood, or a beverage. The antibrowning agent can be applied to the food by spraying, dusting, dipping, or dissolving, depending upon the form of the food to which the agent is added.Type: GrantFiled: April 21, 2009Date of Patent: October 22, 2013Assignee: University of Florida Research Foundation, Inc.Inventors: Maurice R. Marshall, Diane Schulbach
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Patent number: 8426110Abstract: A chemically amplified positive resist composition comprises an acid-decomposable keto ester compound of steroid skeleton which is insoluble in alkaline developer, but turns soluble in alkaline developer under the action of acid. The composition is exposed to EB, deep-UV or EUV and developed to form a pattern with a high resolution and improved LER.Type: GrantFiled: January 31, 2012Date of Patent: April 23, 2013Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Takeru Watanabe, Tomohiro Kobayashi, Katsuya Takemura, Jun Hatakeyama
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Patent number: 8324274Abstract: A drug delivery system (DDS) for administration of a water soluble, cationic, and amphiphilic pharmaceutically active substance (API) which DDS comprises amorphous particles of <100 nm of a poorly water soluble complex of the API with a Na-salt of N-all-trans-retinoyl cysteic acid methyl ester and/or a Na-salt of N-13-cis-retinoyl cysteic acid methyl ester, which particles are entrapped in nanoparticles formed a Na-salt of N-all-trans-retinoyl cysteic acid methyl ester and/or a Na-salt of N-13-cis-retinoyl cysteic acid methyl ester, the w/w-ratio of Na-salt of N-alltrans-retinoyl cysteic acid methyl ester and/or a Na-salt of N-13-cis-retinoyl cysteic acid methyl ester to the complex is about 0.5:1 to about 20:1. A pharmaceutical composition comprising such a DDS. Methods for preparation of such a DDS and such a pharmaceutical composition. Use of such a DDS and pharmaceutical composition for treatment of cancer.Type: GrantFiled: December 18, 2008Date of Patent: December 4, 2012Assignee: Ardenia Invesments, Ltd.Inventors: Julian Aleksov, Igor Lokot
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Publication number: 20110224427Abstract: This invention relates to sulfur based compounds useful in methods of carbon dioxide or sulfur dioxide removal.Type: ApplicationFiled: March 11, 2011Publication date: September 15, 2011Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventor: Mark A. Scialdone
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Publication number: 20110151077Abstract: A method of inhibiting enzymatic browning in food involves the contacting of hypotaurine, a salt of hypotaurine or an equivalent of hypotaurine with the food. The hypotaurine can be provided from solution, an extract, or in solid form to a food that can loose its appeal to a consumer due to browning, such as cut fruits and vegetables, seafood, or a beverage. The antibrowning agent can be applied to the food by spraying, dusting, dipping, or dissolving, depending upon the form of the food to which the agent is added.Type: ApplicationFiled: April 21, 2009Publication date: June 23, 2011Applicant: University of Florida Research Foundation, Inc.Inventors: Kurt F. Schulbach, Diane Schulbach, Maurice R. Marshall
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Publication number: 20110118114Abstract: Superabsorbents comprising a compound of the formula (I) in which M is a hydrogen atom, an ammonium ion, a monovalent metal ion or one equivalent of a divalent metal ion of groups 1, 2, 8, 9, 10, 12 or 14 of the periodic table of the elements; R1 is OH or NR4R5 where R4 and R5 are each independently H or C1-C6-alkyl; R2 is H or an alkyl, alkenyl, cycloalkyl or aryl group, where this group optionally has 1, 2 or 3 substituents which are each independently selected from C1-C6-alkyl, OH, O—C1-C6-alkyl, halogen and CF3; and R3 is COOM, SO3M, COR4, CONR4R5 or COOR4, where M, R4 and R5 are each as defined above or, when R2 is aryl which is optionally substituted as specified above, are also H, salts thereof or mixtures of such compounds and/or salts thereof, exhibit improved stability to discoloration in the course of storage under elevated temperatures and/or elevated air humidity.Type: ApplicationFiled: July 29, 2009Publication date: May 19, 2011Applicant: BASF SEInventors: Ulrich Riegel, Thomas Daniel, Norbert Herfert, Mark Elliott
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Patent number: 7732633Abstract: Compositions are provided that include an electron donor and a sensitizing compound. More specifically, the electron donor is an arylsulfinate salt. Methods of polymerization are also provided that can be used to prepare polymeric material from a photopolymerizable composition that includes ethylenically unsaturated monomers and a photoinitiator system. The photoinitiator system includes an electron donor and a sensitizing compound.Type: GrantFiled: April 23, 2009Date of Patent: June 8, 2010Assignee: 3M Innovative Properties CompanyInventors: Rajdeep S. Kalgutkar, Michael C. Palazzotto
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Patent number: 7550619Abstract: Intermediates useful in the preparation of the antiviral agent entecavir are disclosed. A resin adsorption process for the isolation and purification of entecavir is also disclosed. Various processes useful in the preparation of entecavir are also disclosed.Type: GrantFiled: December 19, 2005Date of Patent: June 23, 2009Assignee: Bristol-Myers Squibb CompanyInventors: Yadagiri R. Pendri, Chung-Pin H. Chen, Jing Liang, Shaopeng Wang, Milan Stojanovic, Richard P. Polniaszek, John Thottathil, Dhileepkumar Krishnamurty
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Patent number: 7094906Abstract: The present invention relates to processes for the preparation of a compound of the formula wherein W is nitrogen or —CR3; R1 is halogen, haloalkyl, haloalkoxy, R4S(O)n— or —SF5; R2 is hydrogen or halogen; R3 is halogen; R4 is alkyl or haloalkyl; and n is 0, 1 or 2; and processes for using a compound of the formula (I) in the synthesis of compounds of the formulaType: GrantFiled: November 10, 2003Date of Patent: August 22, 2006Assignee: Basf Agro B.V. Arnthem (NL) Wädenswil-BranchInventor: Jean-Erick Ancel
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Patent number: 7034152Abstract: Processes are disclosed for preparing the antiviral agent entecavir. A resin adsorption process for the isolation and purification of entecavir is also disclosed. Various intermediates useful in the preparation of entecavir are also disclosed.Type: GrantFiled: December 11, 2003Date of Patent: April 25, 2006Assignee: Bristol-Myers Squibb CompanyInventors: Yadagiri R. Pendri, Chung-Pin H. Chen, Sunil S. Patel, Jeffrey M. Evans, Jing Liang, David R. Kronenthal, Gerald L. Powers, Siva Josyula Prasad, Jeffrey T. Bien, Zhongping Shi, Ramesh N. Patel, Amit Banerjee, Yeung Yu Chan, Sushil K. Rijhwani, Ambarish K. Singh, Shaopeng Wang, Milan Stojanovic, David J. Kucera, Richard P. Polniaszek, Charles Lewis, John Thottathil, Dhileepkumar Krishnamurty, Maotang X. Zhou, Purushotham Vemishetti
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Patent number: 7030158Abstract: A group of new compounds, N-(all-trans-Retinoyl)-L-cysteic acid, N-(13-cis-Retinoyl)-L-cysteic acid, N-(all-trans-Retinoyl)-L-cysteinesulfinic acid, N-(13-cis-Retinoyl)-L-cysteinesulfinic acid, N-(all-trans-Retinoyl)-L-homocysteic acid, N-(13-cis-Retinoyl)-L-homocysteic acid, and sodium salts of these compounds, including sodium salts of their esters and amides, is shown to exhibit therapeutic effects per se, and which compounds in combination with cytotoxic compounds, such as docetaxel, paclitaxel, doxorubicin and mitoxantrone, exhibit a synergistic effect. These compounds make it possible to manufacture new formulations of poorly soluble pharmaceutical compounds, and the present invention discloses a process of manufacturing water-soluble formulations of such compounds, exemplified by docetaxel, and paclitaxel, exhibiting enhanced pharmacological activity, and formulations of water-soluble pharmaceuticals exemplified by doxorubicin and mitoxantrone, exhibiting improved therapeutic efficacy.Type: GrantFiled: November 15, 2002Date of Patent: April 18, 2006Assignee: Ardenia Investments Ltd.Inventors: Oleg Strelchenok, Julian Aleksov
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Patent number: 6919379Abstract: Novel compounds of formula (I) wherein R1 represents hydrogen; R2 represents hydroxy, fluoro, or an oxo group; R3 represents hydrogen; R4 represents hydrogen; and pharmaceutically acceptable salts, solvates, and the stereoisomers thereof, with the exception of the racemate of (3-amino-2-hydroxypropyl)sulphinic acid. The compounds are useful in therapy, especially for the treatment of reflux disease.Type: GrantFiled: June 4, 2002Date of Patent: July 19, 2005Assignee: AstraZeneca ABInventors: Kevin Fitzpatrick, William Geiss, Anders Lehmann, Gunnel Sundén, Sverker Von Unge
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Patent number: 6861435Abstract: The invention relates to the compounds of general formula (I), that are present with respect to R1 as racemates as well as L- or D-configured compounds and as E/Z mixtures as well as E or Z isomers and in which the various symbols are defined as in the description and the claims, as well as to the salts thereof, for use as therapeutic agents and for diagnostic purposes. The inventive compounds can be processed to medicaments or to diagnostic agents that are used for the diagnosis, therapy and prevention of urokinase- or urokinase-receptor associated diseases, for example for the treatment of tumors. The compounds are highly efficient in inhibiting growth and/or spread of malign tumors, for example tumor spread of pancreatic cancer, tumor growth of breast cancer and the formation of tumor metastases. The compounds of formula (I) and the salts thereof can be produced by conventional methods.Type: GrantFiled: March 19, 2002Date of Patent: March 1, 2005Assignee: Pentapharm AGInventor: Hugo Ziegler
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Patent number: 6852755Abstract: This invention pertains to nitrogen mustard compounds (Formula (II)) and prodrugs therefor (Formula (I)), methods for their preparation, pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, in therapy and treatment, for example, of cancer, wherein: R1 and R2 are independently —Cl, —Br, —I, —OSO2CH3, or —OSO2Ph; R1a, R2a, R1b, and R2b are independently —H, a C1-4alkyl group, or a C1-4haloalkyl group; R3 is —F, —Cl, —Br, —I, —OCHF2, —C?CH, —OCF3, —CH3, —CF3, —SF5, —SCF3, or —CF2CF3; R4 is —H or as defined for R3?, R5 is —H or —F; R7 is —H, —C(CH3)3, or —CH2—CH—CH2; Z is —CH2—T—W; T is —CH2—, —O—, —S—, —(S?O)—, or —(SO2)—; W is one of: (1) —COOH; (2)—(C?O)OR8; (3) —(C?O)NR9R9; (4) —SO2NHR10?, (5) SO2OR11; (6)—PO3R11R11; (7) a tetrazol-5-yl group; (8) —CONH—SO2R12; and, (9)-M-Het.Type: GrantFiled: March 29, 2000Date of Patent: February 8, 2005Assignee: Cancer Research Campaign Technology LimitedInventors: Caroline J. Springer, Lawrence C. Davies
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Patent number: 6706916Abstract: In producing optically-active amino acid benzyl esters by reacting optically-active amino acids with benzyl alcohols, hydrazines are present in the reaction system, or the compounds are reacted in the absence of oxygen, or the compounds are reacted in the absence of oxygen while hydrazines are present in the reaction system. The processes are simple and give optically-active amino acid benzyl esters of high optical purity.Type: GrantFiled: August 17, 2001Date of Patent: March 16, 2004Assignee: Toray Fine Chemicals Co., Ltd.Inventors: Haruyo Sato, Takae Ohno, Shiho Iwata
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Patent number: 6693187Abstract: Phosphinoamidite carboxylates and analogs are provided that have the structure of formula (I) wherein R1, R2, R3, R4, X, Y, Z and n are as defined herein. The compounds are useful as phosphitylating agents, e.g., in the phosphitylation of 3′ and 5′ hydroxyl groups of nucleosides and oligonucleotides. Also provided are phosphonocarboxylate and H-phosphonite carboxylate analogs of the compounds of formula (I). The compounds enable synthesis of phosphinocarboxylate and phosphonocarboxylate oligonucleotides having reduced internucleotide charge and enhanced nuclease resistance.Type: GrantFiled: October 17, 2000Date of Patent: February 17, 2004Assignee: Lievre Cornu LLCInventor: Douglas J. Dellinger
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Patent number: 6642271Abstract: This invention relates to novel compounds, capable of potentiating the efficacy of therapeutically active compounds, for example cytotoxic compounds used in the treatment of cancer. The novel compounds have been shown to increase the pharmacological activity of a conventional paclitaxel formulation and to make it possible to manufacture a new formulation of paclitaxel, exhibiting improved solubility, improved storage properties, and increased therapeutic efficacy as shown in the enclosed examples.Type: GrantFiled: March 15, 2002Date of Patent: November 4, 2003Assignee: Ardenia Investments, Ltd.Inventors: Oleg Strelchenok, Julian Aleksov
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Patent number: 6586622Abstract: The present invention relates to sulfinic acid compounds of the formula (I) where the substituents are as defined in the description. The novel sulfinic acid compounds can be used as reducing agents which do not eliminate formaldehyde.Type: GrantFiled: April 16, 2001Date of Patent: July 1, 2003Assignee: L. Bruggemann KGInventors: Josef Berghofer, Harry Rothmann
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Patent number: 6482860Abstract: The invention provides methods and compositions relating to novel pentafluorophenylsulfonamide derivatives and analogs and their use as pharmacologically active agents. The compositions find particular use as pharmacological agents in the treatment of disease states, particularly cancer, vascular restenosis, microbial infections, and psoriasis, or as lead compounds for the development of such agents.Type: GrantFiled: July 18, 1997Date of Patent: November 19, 2002Assignee: Tularik Inc.Inventors: John A. Flygare, Julio Cesar Medina, Bei Shan, David Louis Clark, Terry J. Rosen
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Publication number: 20020042353Abstract: The present invention relates to sulfinic acid compounds of the formula (I) 1Type: ApplicationFiled: April 16, 2001Publication date: April 11, 2002Applicant: L. Bruggemann KGInventors: Josef Berghofer, Harry Rothmann
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Patent number: 6353131Abstract: Sulfinic derivatives such as zinc dithionite, sodium dithionite, zinc or sodium hydroxymethyl sulfinate or zinc or sodium hydroxy-ethyl sulfinate, their condensation products with ammonia, and aminoiminomethanesulfinic acid are stabilized to degradation by admixture of potassium carbonate.Type: GrantFiled: March 14, 2000Date of Patent: March 5, 2002Assignee: BASF AktiengesellschaftInventors: Eberhard Beckmann, Rudolf Krüger
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Patent number: 5958184Abstract: A process for producing a thiourea dioxide fluid by mixing thiourea and a peroxide, or thiourea, a peroxide and a reaction catalyst, or thiourea, a peroxide, a reaction catalyst and a chelating agent, in the absence or presence of pulp and a process for bleaching pulp by the use of the thiourea dioxide fluid produced by the above process economically advantageously with a small chemicals loss and by small consumption of energy.Type: GrantFiled: January 29, 1998Date of Patent: September 28, 1999Assignee: Mitsubishi Gas Chemical Company Inc.Inventors: Toshiaki Kanada, Seikyu Jinnouchi, Masafumi Shimpo, Tetsuo Koshitsuka, Akiko Kimura
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Patent number: 5914319Abstract: This invention relates to thrombin inhibiting compounds having the Formula IX--Y--NH--(CH.sub.2).sub.r --G Iwhere X, Y, r and G have the values defined in the description, as well as pharmaceutical formulations containing those compounds and methods of their use as thrombin inhibitors, coagulation inhibitors, and thromboembolic disorder agents.Type: GrantFiled: September 1, 1995Date of Patent: June 22, 1999Assignee: Eli Lilly and CompanyInventors: Aaron L. Schacht, Gerald F. Smith, Michael R. Wiley
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Patent number: 5856563Abstract: The present invention relates to a process for producing amino/guanidinothiosulfonic acid, which comprises treating a styrenedivinylbenzene copolymer sulfonate of amino/guanidinoethyl disulfoxide into contact with an alkali, selectively eluting amino/guanidinosulfinic acid, then reacting this product in a non-aqueous solvent in the presence of a base, and passing the reaction product through a weakly acidic cation exchange resin column; in accordance with the present invention, hypotaurine, thiotaurine and the like having a high purity can industrially be produced.Type: GrantFiled: April 23, 1997Date of Patent: January 5, 1999Assignee: Sugo Pharmaceutical Company LimitedInventors: Tomoko Ohsumi, Manabu Katsumata, Tomoyasu Tashiro, Saburoh Uchikuga
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Patent number: 5726159Abstract: This invention relates to thrombin inhibiting compounds having the Formula IX--Y--NH--(CH.sub.2).sub.r --G Iwhere X, Y, r and G have the values defined in the description, as well as pharmaceutical formulations containing those compounds and methods of their use as thrombin inhibitors, coagulation inhibitors, and thromboembolic disorder agents.Type: GrantFiled: September 1, 1995Date of Patent: March 10, 1998Assignee: Eli Lilly and CompanyInventors: Aaron L. Schacht, Robert T. Shuman, Gerald F. Smith, Michael R. Wiley
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Patent number: 5710130Abstract: This invention relates to thrombin inhibiting compounds having the Formula IX--Y--NH--(CH.sub.2).sub.r --G Iwhere X, Y, r and G have the values defined in the description, as well as pharmaceutical formulations containing those compounds and methods of their use as thrombin inhibitors, coagulation inhibitors, and thromboembolic disorder agents.Type: GrantFiled: September 1, 1995Date of Patent: January 20, 1998Assignee: Eli Lilly and CompanyInventors: Aaron L. Schacht, Gerald F. Smith, Michael R. Wiley
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Patent number: 5707966Abstract: This invention relates to thrombin inhibiting compounds having the Formula IX--Y--NH--(CH.sub.2).sub.r --G Iwhere X, Y, r and G have the values defined in the description, as well as pharmaceutical formulations containing those compounds and methods of their use as thrombin inhibitors, coagulation inhibitors, and thromboembolic disorder agents.Type: GrantFiled: September 1, 1995Date of Patent: January 13, 1998Assignee: Eli Lilly and CompanyInventors: Aaron L. Schacht, Gerald F. Smith, Michael R. Wiley
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Patent number: 5705487Abstract: This invention relates to thrombin inhibiting compounds having the Formula IX--Y--NH--(CH.sub.2).sub.r --G Iwhere X, Y, r and G have the values defined in the description, as well as pharmaceutical formulations containing those compounds and methods of their use as thrombin inhibitors, coagulation inhibitors, and thromboembolic disorder agents.Type: GrantFiled: September 1, 1995Date of Patent: January 6, 1998Assignee: Eli Lilly and CompanyInventors: Aaron L. Schacht, Gerald F. Smith, Michael R. Wiley
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Patent number: 5679845Abstract: The present invention relates to a process for producing amino/guanidinothiosulfonic acid, which comprises treating a styrenedivinylbenzene copolymer sulfonate of amino/guanidinoethyl disulfoxide into contact with an alkali, selectively eluting amino/guanidinosulfinic acid, then reacting this product in a non-aqueous solvent in the presence of a base, and passing the reaction product through a weakly acidic cation exchange resin column; in accordance with the present invention, hypotaurine, thiotaurine and the like having a high purity can industrially be produced.Type: GrantFiled: August 14, 1996Date of Patent: October 21, 1997Assignee: Sogo Pharmaceutical Company LimitedInventors: Tomoko Ohsumi, Manabu Katsumata, Tomoyasu Tashiro, Saburoh Uchikuga
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Patent number: 5510510Abstract: Inhibition of farnesyl transferase, which is an enzyme involved in ras oncogene expression, and inhibition of cholesterol biosynthesis, are effected by compounds of the formula ##STR1## their enantiomers, diastereomers, and pharmaceutically acceptable salts, prodrugs, and solvates, wherein:x is --ONR.sup.1 C(O)--, --N(OR.sup.1)C(O)--, --NR.sup.1 C(O)--, --C(O)NR.sup.1 --, --NR.sup.1 S(O.sub.2)--, --C(O)O--, --OC(O)--, --C(O)--, --O--, --NR.sup.1 -- or --(S).sub.q --;Y is --CO.sub.2 R.sup.2, --SO.sub.3 R.sup.2 or --P(O) (OR.sup.2) (R.sup.3);R is alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkenylene or aryl;R.sup.3 is --(O).sub.t R.sup.4 ;R.sup.1, R.sup.2 and R.sup.4 are each independently hydrogen, alkyl, aryl or aralkyl;m and n are each independently 0 or an integer from 1 to 5;p and t are each independently 0 or 1; andq is an integer from 1 to 2.Type: GrantFiled: June 28, 1994Date of Patent: April 23, 1996Assignee: Bristol-Meyers Squibb CompanyInventors: Dinesh V. Patel, Scott A. Biller
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Patent number: 5212301Abstract: Introduction of a fluoro substituent into an aromatic ring adjacent an electron donating group is difficult producing mixed isomers and low yields of desired products.A process for the introduction of a fluoro substituent into a substantially adjacent position to an electron-donating group into an aromatic compound in high yield is disclosed.The fluoroaromatic compounds are useful as synthetic intermediates for example in the manufacture of agrochemicals, pharmaceuticals and dyestuffs.Type: GrantFiled: May 8, 1992Date of Patent: May 18, 1993Assignee: Imperial Chemical Industries PLCInventors: John S. Moilliet, Richard D. Chambers, Michael H. Rock
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Patent number: 5030655Abstract: A compound selected from the group consisting of all possible isomeric forms and mixtures thereof of a compound of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms, alkenyl and alkynyl of 2 to 8 carbon atoms and cycloalkyl and cycloalkylalkyl of 3 to 8 carbon atoms, R.sub.2 is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms, alkenyl and alkynyl of 2 to 8 carbon atoms, cycloalkyl of 3 to 8 carbon atoms and acyl of 1 to 9 carbon atoms, X.sub.1 and X.sub.2 are individually selected from the group consisting of fluorine, chlorine, bromine, iodine, --CF.sub.3, --CN, --COOR and ##STR2## R is alkyl of 1 to 8 carbon atoms, Hal is chlorine, bromine or fluorine and R.sub.3 is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms and residue of an alcohol used in pyrethrinoid synthesis having excellent pesticidal properties.Type: GrantFiled: September 25, 1989Date of Patent: July 9, 1991Assignee: Roussel UclafInventors: Jean Tessier, Jacques Demassey, Jean-Pierre Demoute