Abstract: Synthetic methods of preparing perhydro-3,6-dimethyl-2-benzo[b]furanones, in particular dihydromintlactone, and analogs through reaction of dehydrogenation of menthanediols and analogs with a base in the presence of (carbonylchlorohydrido[bis-(2-diphenylphosphinoethyl)amine]ruthenium(II) as catalyst in good stereoselectivity and yields under stereochemistry controlled conditions are disclosed.
Abstract: The present invention relates to novel compounds and their use as fragrance materials.
Type:
Application
Filed:
August 22, 2014
Publication date:
February 26, 2015
Inventors:
Benjamin Amorelli, Edward Mark Arruda, Robert P. Belko, Tingwei Cai, Adam P. Closson, Nicole L. Giffin, Gary J. Mertz, Michael G. Monteleone
Abstract: Compounds are disclosed that are useful for treating ophthalmic conditions caused by or related to production of toxic is visual cycle products that accumulate in the eye, such as dry adult macular degeneration, as well as conditions caused by or related to the misfolding of mutant opsin proteins and/or the mis-localization of opsin proteins. Compositions of these compounds alone or in combination with other therapeutic agents are also described, along with therapeutic methods of using such compounds and/or compositions. Methods of synthesizing such agents are also disclosed.
Type:
Application
Filed:
October 19, 2012
Publication date:
September 11, 2014
Applicant:
Bikam Pharmaceuticals, Inc.
Inventors:
David S. Garvey, Gregory J. Larosa, Jeremy R. Greenwood, Leah L. Frye, Tan Quach, Jamie B. Cote, Judd Berman
Abstract: The present invention relates to antagonists and agonists of the human bitter-taste receptors hTAS2R40, hTAS2R43, hTAS2R44, hTAS2R46, and hTAS2R47. The invention also relates to methods for identifying further molecules that suppress or enhance bitter taste transduction or bitter taste response mediated by hTAS2R40, hTAS2R43, hTAS2R44, hTAS2R46, and/or hTAS2R47 and uses thereof.
Type:
Grant
Filed:
October 27, 2010
Date of Patent:
March 18, 2014
Assignee:
Deutsches Institut für Ernahrungsforschung Potsdam-Rehbrücke
Inventors:
Giovanni Appendino, Maik Behrens, Anne Brockhoff, Wolfgang Meyerhof
Abstract: Described is the use of specific lactone compounds for protecting body-care and household products from photolytic and oxidative degradation. These compounds perform outstanding antioxidant properties.
Abstract: Disclosed is a use of albiflorin or a metabolite thereof in preparation of antianxiety and sleep disorder improving drugs or health-care food. Tests prove that albiflorin has significant antianxiety effects and sleep disorder improving effects achieved by prolonging SWS and low the toxic side effects, thus being a safety monomer compound capable of effectively treating anxiety and sleep disorder.
Abstract: The present disclosure is directed to a reactive ester agent capable of conjugating a reporter molecule to a carrier molecule or solid support. The reactive ester agent has the general formula: wherein the variables are described throughout the application.
Type:
Grant
Filed:
January 30, 2008
Date of Patent:
November 19, 2013
Assignee:
Life Technologies Corporation
Inventors:
Kyle Gee, Aleksey Rukavishnikov, Diane M. Witczak
Abstract: Provided herein are methods for treating conditions associated with a chemosensory receptor, including diabetes, obesity, and other metabolic diseases, disorders or conditions by administering a composition comprising a chemosensory receptor ligand. Also provided herein are chemosensory receptor ligand compositions and methods for the preparation thereof for use in the methods of the present invention.
Type:
Application
Filed:
October 18, 2011
Publication date:
November 14, 2013
Applicant:
ELCELYX THERAPEUTICS, INC.
Inventors:
Martin R. Brown, Christopher R.G. Jones, Nigel R.A. Beeley, Alain D. Baron
Abstract: Embodiments of the invention relate to compounds and methods for controlling algal growth, for example, in bodies of water or surfaces exposed to algae. Provided are compounds having algicidal activities and methods of use of these compounds as well as formulations and compositions comprising the compound having algicidal activities.
Type:
Application
Filed:
August 22, 2011
Publication date:
September 26, 2013
Applicant:
PRESIDENT AND FELLOWS OF HARVARD COLLEGE
Inventors:
Roberto Kolter, Rebecca Case, Jon Clardy, Mohammad Seyedsayamdost
Abstract: The present invention relates to a method comprising (A) reacting a ?-keto ester with a 2-halo ester under basic conditions to obtain a 2-aceto-3-methyl-succinic acid ester; (B) reacting the resulting 2-aceto-3-methyl-succinic acid ester with methyl vinyl ketone under basic conditions, optionally followed by a decarboxylation reaction and hydrolysis, etc., to obtain an ?-methyl-?-keto acid; and (C) reducing the resulting ?-methyl-?-keto acid to obtain wine lactone or a stereoisomer thereof or a mixture thereof.
Type:
Application
Filed:
May 6, 2013
Publication date:
September 19, 2013
Applicant:
Takasago International Corporation
Inventors:
Kenji Yagi, Yasuhiro Komatsuki, Hideo Ujihara, Kenya Ishida
Abstract: A class of bicyclic brominated furanone structures that have reduced toxicity and high activity for inhibiting biofilm formation and quorum sensing by microbes. The molecules have two fused cyclic alkyl groups that provide a structural framework that retain one or more bromine groups on the structure. The bicyclic furanones have reduced toxicity to mammalian cells as compared to other brominated furanones but retain the ability to inhibit biofilm formation in bacterial populations.
Abstract: The present invention relates to an improved process for the production of prostaglandins and prostaglandin analogs. In particular, this invention relates to the production of prostaglandins of the PGF2?-series, including latanoprost, travoprost, and bimatoprost, which are active pharmaceutical ingredients used for the reduction of elevated intra-ocular pressure in patients with glaucoma and ocular hypertension.
Type:
Grant
Filed:
July 10, 2009
Date of Patent:
July 9, 2013
Assignee:
Sandoz AG
Inventors:
Martin Albert, Andreas Berger, Dominic De Souza, Kerstin Knepper, Hubert Sturm
Abstract: The present invention relates to antagonists and agonists of the human bitter-taste receptors hTAS2R40, hTAS2R43, hTAS2R44, hTAS2R46, and hTAS2R47. The invention also relates to methods for identifying further molecules that suppress or enhance bitter taste transduction or bitter taste response mediated by hTAS2R40, hTAS2R43, hTAS2R44, hTAS2R46, and/or hTAS2R47 and uses thereof.
Abstract: A pharmaceutical composition containing albiflorin and use thereof in manufacturing medicaments for preventing and treating depression are provided by the present invention.
Abstract: [Object] To improve bitterness or astringency, for example, to reduce stimulative bitterness or astringency of bitter or astringent food and drink, without imparting unnecessary taste or aroma to the food and drink. [Solution] A bitterness- or astringency-improving agent for bitter or astringent food and drink includes phthalides as an active ingredient. Addition of a very small amount of phthalides that are not sensed as aroma to food and drink improves undesirable bitterness or astringency of various bitter or astringent food and drink products and enhances or provides pleasant bitterness or astringency.
Abstract: The present invention relates to a novel monascuspurpurone compound of formula (I): or a pharmaceutically acceptable derivative thereof as described in the specification, the process for preparation of the same, and the composition comprising the same. The uses of a monascuspurpurone compound for promoting adipocyte differentiation, for increasing the activity of PPAR? and/or C/EBP?, for lowering blood glucose, for preventing and/or treating a disease or disorder related to insulin resistance, and for preventing and/or treating metabolic syndrome or its complications are also provided.
Type:
Application
Filed:
December 23, 2011
Publication date:
June 28, 2012
Applicant:
FOOD INDUSTRY RESEARCH AND DEVELOPMENT INSTITUTE
Abstract: Compounds of formula 1 and hetero derivatives thereof and the pharmacologically acceptable salts, enantiomers, racemates, hydrates, or solvates thereof, which are suitable for the treatment of respiratory or gastrointestinal complaints or diseases, inflammatory diseases of the joints, skin, or eyes, diseases of the peripheral or central nervous system or cancers, as well as pharmaceutical compositions which contain these compounds.
Type:
Grant
Filed:
April 2, 2010
Date of Patent:
May 8, 2012
Assignee:
Boehringer Ingelheim International GmbH
Inventors:
Ralf Anderskewitz, Horst Dollinger, Rolf Goeggel, Birgit Jung, Joerg Kley, Jurgen Mack, Peter Nickolaus, Rainer Walter
Abstract: The present invention is directed to a compound of formula (I), its diastereoisomers, its enantiomers or its pharmaceutically acceptable salts or solvates, formula (I), to procedures of obtaining the same, to intermediates thereof, and use as competitive inhibitors of the third enzyme of the shikimic acid pathway, the type II dehydroquinase.
Abstract: The invention relates to a process for the preparation of 13,14-dihydro-PGF2? derivatives of R or S configuration at carbon 15, represented by the general formula (I), wherein the identity of the substituents is defined in the description. Compounds of the formula (I) are valuable biologically-active substances or intermediates in the preparation thereof. The invention especially relates to the process for preparation of 13,14-dihydro-15(R)-17-substituted-18,19,20-trinor-PGF2?, i.e., latanoprost.
Type:
Grant
Filed:
October 18, 2007
Date of Patent:
March 1, 2011
Assignee:
Instytut Farmaceutyczny
Inventors:
Jacek Martynow, Julita Szyc, Wieslaw Szelejewski, Osman Achmatowicz, Andrzej Kutner, Krzysztof Wiśniewski, Jerzy Winiarski, Oliwia Zegrocka-Stendel, Piotr Golebiewski
Abstract: The present invention relates to the use of compounds of the formula (I) wherein the clotted line is an optional bond; R1 is butyl or butyryl if R2 is hydroxyl but is butyl if R2 is hydrogen; or R1 and R2 taken together are 1-butylidene optionally substituted by hydroxyl, methyl, or 3-(?,?-dimethylacrylyloxy)-pentylidenyl; X is a residue selected from the group consisting of X1, X2, X3, X4, and X5; wherein X is X2, X3 or X5 if the dotted line in formula (I) is absent; and X is X1, X4 or X5 if the dotted line signifies a bond in formula (I) above; R3 is hydroxyl or butyryl; and n is 1 or 2, as agents for the prevention, control and treatment of conditions requiring modulation of inflammation in mammals. In another aspect, the present invention relates to the use of compounds of the formula (I) as active ingredients in the manufacture of medicaments/compositions for the prevention, control and treatment of conditions requiring modulation of inflammation.
Type:
Application
Filed:
June 18, 2010
Publication date:
November 25, 2010
Applicant:
DSM IP ASSETS B.V.
Inventors:
Ann Fowler, Daniel Raederstorff, Goede Schuler, Joseph Schwager
Abstract: There are described novel rhodamine color-forming compounds. The rhodamine color-forming compounds exhibit a first color when in a crystalline form and a second color, different from the first color, when in an amorphous form. Thermal imaging members containing these color-formers are also described.
Type:
Grant
Filed:
December 23, 2008
Date of Patent:
October 5, 2010
Assignee:
Zink Imaging, Inc.
Inventors:
Kap-Soo Cheon, Michael P. Filosa, Fariza Hasan, Xavier Herault, John L. Marshall
Abstract: The present invention relates to agonists of the human bitter-taste receptors hTAS2R14, hTAS2R10 and hTAS2R4 and their role in bitter taste transduction. The invention also relates to methods for identifying molecules that modulate, e.g. suppress, or enhance hTAS2R14, hTAS2R10 and hTAS2R4 bitter taste transduction or bitter taste response.
Abstract: Compounds of formula 1 and hetero derivatives thereof and the pharmacologically acceptable salts, enantiomers, racemates, hydrates, or solvates thereof, which are suitable for the treatment of respiratory or gastrointestinal complaints or diseases, inflammatory diseases of the joints, skin, or eyes, diseases of the peripheral or central nervous system or cancers, as well as pharmaceutical compositions which contain these compounds.
Type:
Grant
Filed:
April 21, 2006
Date of Patent:
May 25, 2010
Assignee:
Boehringer Ingelheim International GmbH
Inventors:
Ralf Anderskewitz, Horst Dollinger, Rolf Goeggel, Birgit Jung, Joerg Kley, Juergen Mack, Peter Nickolaus, Rainer Walter
Abstract: Methods for manufacture of 5-alkoxycarbonylphthtalides are disclosed. The 5-alkoxycarbonylphthtalides are useful in syntheses of the well-known antidepresssants citalopram and escitalopram.
Type:
Grant
Filed:
March 17, 2004
Date of Patent:
March 30, 2010
Assignee:
H. Lundbeck A/S
Inventors:
Thomas Pittelkow, Andrea Castellin, Federico Sbrogiò, Poul D. Nielsen, Jacobo Zanon, Steen Sogaard, Rikke E. Humble
Abstract: The present invention relates to agonists of the hTAS2R14 bitter taste receptor and its role in bitter taste transduction. The invention also relates to assays for screening molecules that modulate, e.g. suppress or block hTAS2R14 bitter taste transduction or bitter taste response.
Abstract: The present invention relates to an improved process for the production of prostaglandins and prostaglandin analogs. In particular, this invention relates to the production of prostaglandins of the PGF2?-series, including latanoprost, travoprost, and bimatoprost, which are active pharmaceutical ingredients used for the reduction of elevated intra-ocular pressure in patients with glaucoma and ocular hypertension.
Type:
Application
Filed:
July 10, 2009
Publication date:
January 14, 2010
Applicant:
Sandoz AG
Inventors:
Martin ALBERT, Andreas BERGER, Dominic DE SOUZA, Kerstin KNEPPER, Hubert STURM
Abstract: Carboxyl-containing lactone compounds having formula (1) are novel wherein R1 is H, F, methyl or trifluoromethyl, R2 and R3 are H or monovalent hydrocarbon groups, or R2 and R3 may together form an aliphatic ring, W is CH2, O or S, k1 is an integer of 0 to 4, and k2 is 0 or 1. They are useful as monomers to produce polymers which are transparent to radiation ?500 nm. Radiation-sensitive resist compositions comprising the polymers as base resin exhibit excellent properties including resolution, LER, pattern density dependency and exposure margin.
Abstract: Preparation of cyclic esters by hydrogenation of a carbonyl group in at least one anhydride radical —C(O)—O—C(O)— of a cyclic dicarboxylic or polycarboxylic anhydride by means of hydrogen in the presence of a homogeneous noble metal catalyst, characterized in that the hydrogenation is carried out in a homogeneous reaction mixture using an iridium catalyst. The cyclic esters are obtained in good chemical and optical yields when prochiral anhydrides are used together with chiral iridium catalysts.
Abstract: The present invention relates to methods for the preparation of diastereomerically pure (3R,3aS,6aR) hexahydro-furo[2,3-b]furan-3-ol as well as a novel intermediate, (3aR,4S,6aS) 4-methoxy-tetrahydro-furo[3,4-b]furan-2-one for use in said methods. More in particular the invention relates to a stereoselective method for the preparation of diastereomerically pure (3R,3aS,6aR) hexahydro-furo[2,3-b]furan-3-ol, as well as methods for the crystallization of (3aR,4S,6aS) 4-methoxy-tetrahydro-furo[3,4-b]furan-2-one and for the epimerization of (3aR,4R,6aS) 4-methoxy-tetrahydro-furo[3,4-b]-furan-2-one to (3aR,4S,6aS) 4-methoxy-tetrahydro-furo[3,4-b]furan-2-one.
Type:
Grant
Filed:
March 31, 2005
Date of Patent:
September 29, 2009
Assignee:
Tibotec Pharmaceuticals, Ltd.
Inventors:
Peter Jan Leonard Mario Quaedflieg, Bart Rudolf Romanie Kesteleyn, Robert Jan Vijn, Constantinus Simon Maria Liebregts, Jacob Hermanus Matheus Hero Kooistra, Franciscus Alphons Marie Lommen
Abstract: Disclosed are methods of modulating biosynthesis of Salinosporamide A and its analogs, which are useful in treating cancer, inflammatory conditions, and/or infectious disease. The methods involve, for example, genetic manipulation, selection of reagents in the fermentation feedstock, and selection of fermentation conditions.
Type:
Grant
Filed:
September 8, 2006
Date of Patent:
August 11, 2009
Assignee:
Nereus Pharmaceuticals, Inc.
Inventors:
Kin Sing Lam, Michael Palladino, Ginger Tsueng
Abstract: The present invention provides a method for producing wine lactone, a method for producing intermediates that are usable in production of wine lactone, and techniques for the application of wine lactone. The method for producing the wine lactone (Compound (6)) of the present invention comprises the following steps (A) to (E): wherein R1 is a C1-4 lower alkyl group.
Abstract: The present invention provides novel processes for the preparation of a cyclopentanone of Formula II and a lactone of Formula I, which are useful in the production of prostaglandins: wherein Z, R2, R3, X1, X2, and are as defined in the specification. The invention also provides novel enantiomerically enriched compounds.
Abstract: Heterocyclic-substituted tricyclics of the formula or a pharmaceutically acceptable salt or solvate of said compound, isomer or racemic mixture wherein z,1 represents an optional double bond, the dotted line is optionally a bond or no bond, resulting in a double bond or a single bond, as permitted by the valency requirement and wherein A, B, G, M, X, J, n, Het, R3, R10, R11, R32 and R33 are herein defined and the remaining substituents are as defined in the specification, are disclosed, as well as pharmaceutical compositions containing them and a method of treating diseases associated with thrombosis, atherosclerosis, restenosis, hypertension, angina pectoris, arrhythmia, heart failure, and cancer by administering said compounds. Combination therapy with other cardiovascular agents is also claimed.
Type:
Grant
Filed:
October 5, 2005
Date of Patent:
February 10, 2009
Assignee:
Schering Corporation
Inventors:
Samuel Chackalamannil, Mariappan V. Chelliah, Yan Xia, Keith A. Eagen
Abstract: A compound of the following formula: wherein X, Y, and Z are as defined herein. Also disclosed are methods for inhibiting TNF? expression, IL-1? expression, iNOS expression, and NF-?B activity and methods for treating autoimmune disease, cancer, or atherosclerosis with such a compound.
Abstract: A homogeneous process for the hydrogenation of dicarboxylic acid and/or derivative thereof with an amine in the presence of a catalyst comprising: (a) ruthenium or osmium; and (b) an organic phosphine; and wherein the hydrogenation is carried out in the presence of water.
Type:
Grant
Filed:
October 15, 2004
Date of Patent:
September 23, 2008
Assignee:
Davy Process Technology Limited
Inventors:
Simon Peter Crabtree, Derek Vincent Tyers, Mohammed Sharif
Abstract: The invention relates to a process for the preparation of 13,14-dihydro-PGF2? derivatives of R or S configuration at carbon 15, represented by the general formula (I), wherein the identity of the substituents is defined in the description. Compounds of the formula (I) are valuable biologically-active substances or intermediates in the preparation thereof. The invention especially relates to the process for preparation of 13,14-dihydro-15(R)-17-substituted-18,19,20-trinor-PGF2?, i.e., latanoprost.
Type:
Application
Filed:
October 18, 2007
Publication date:
August 28, 2008
Applicant:
INSTYTUT FARMACEUTYCZNY
Inventors:
Jacek MARTYNOW, Julita SZYC, Wieslaw SZELEJEWSKI, Osman ACHMATOWICZ, Andrzej KUTNER, Krzysztof WISNIEWSKI, Jerzy WINIARSKI, Oliwia ZEGROCKA-STENDEL, Piotr GOLEBIEWSKI
Abstract: The claimed invention relates to methods of modulating mucin synthesis and the therapeutic application of compounds of Formula II in controlling mucin over-production associated with diseases such as chronic obstructive pulmonary diseases (COPD) including asthma and chronic bronchitis, inflammatory lung diseases, cystic fibrosis and acute or chronic respiratory infectious diseases. wherein X is S, N, O or CR; Y is CRR?, O, NR6, CRR?—CRR? or CR?CR; Z is NR6, O, S, CRR? or CRR?—CRR?; R1-R3 are independently selected from the group consisting of H, C1-C8 alkyl, C1-C8 alkoxy, amino, hydroxy, halosubstituted alky and halo; R4 is Q is CR, NR6 or R5 is H or benzyl; R6 is H, C1-C8 alkyl, C1-C8 alkoxy, OH or halo; and R and R? are independently H, C1-C8 alkyl, C1-C8 alkoxy, OH or halo, or a pharmaceutically acceptable salt thereof.
Type:
Grant
Filed:
November 8, 2002
Date of Patent:
March 18, 2008
Assignee:
Genaera Corporation
Inventors:
Yuhong Zhou, Roy C. Levitt, Nicholas C. Nicolaides, Steve Jones, Mike McLane
Abstract: Methods for manufacture of 5-alkoxycarbonylphthtalides are disclosed. The 5-alkoxycarbonylphthtalides are useful in syntheses of the well-known antidepresssants citalopram and escitalopram.
Abstract: Process for the preparation of compounds of formula (I) wherein R is halogen, R1O1R1S(O)n or (R1)2NC(X)O; R1 is C1-C8alkly, aryl-C1-C8alkyl, C1-C8haloalkyl or aryl; n is 0, 1, 2 or 3; X is O or S; and R2 is hydrogen, C1-C4alkyl or C1-C4haloalkyl, in which process, in a solvent, (1) an aniline derivative of formula (IV) wherein R is as defined above, and R3 is C1-C5alkyl or C1-C5haloalkyl, is diazotised in the presence of a mineral acid to form the corresponding diazonium salt of formul (II) wherein R and R3 are as defined above, Am? is an anion, and m is 1 or 2, (2) the resulting diazonium salt of formula (II) is carbonylated in the presence of a catalyst, CO and optionally a buffer, to form a benzoic acid derivative of formula (III) wherein R and R3 are as defined above, and (3) the benzoic acid derivative of formula (III) is then subjected to benzylic lactonisation in the ortho-position alkyl chain R3 in the presence of a free-radical initiator and a halogenating agent.
Type:
Grant
Filed:
May 21, 2002
Date of Patent:
December 11, 2007
Assignee:
Syngenta Crop Protection, Inc.
Inventors:
Anita Schnyder, Marco Passafaro, Thomas Rapold
Abstract: This invention features the use of the spirolaxine of formula (I) for the treatment of those pathologies responding to the activation of the PPAR? receptor, such as the Type 2 insulin-resistant diabetes. This invention also features a pharmaceutical composition in which the spirolaxine of formula (I) acts as active principle in association with the all-trans retinoic acid of formula (II) for the treatment of those pathologies responding to the activation of the PPAR? receptor, such as the acute malignant haemopathies.
Abstract: This invention relates to 1-[(4-methyl thio)phenyl]-2-(phenyl acetoxy)-1-ethanone. This compound is convertible into 4-(4-methyl thio phenyl)-3-phenyl-2 (5H)-furanone by an economically viable process. This substituted furanone is an intermediate or starting compound for synthesising COX II inhibitor Rofecoxib. This invention also includes a process for preparing the ethanone derivative by halogenating methyl thio aceto phenone and coupling the resulting 2 halosubstituted ethanone with sodium salt of phenyl acetic acid to obtain 1-[(4-methyl thio) phenyl]-2-(phenyl acetoxy)-1-ethanone.
Type:
Grant
Filed:
October 10, 2001
Date of Patent:
May 23, 2006
Assignee:
Shasun Chemicals and Drugs Limited
Inventors:
Tangiraja Venkata Subramanya Krishna Vittal, Mudduluru Hari Krishna
Abstract: Benzofuran-2-ones, compositions comprising benzofuranones, processes for preparing them, and their use as colorants for high or low molecular mass organic material.
Type:
Grant
Filed:
March 3, 2000
Date of Patent:
March 29, 2005
Assignee:
Cibaspecialty Chemicals Corp.
Inventors:
Leonhard Feiler, Thomas Ruch, Olof Wallquist, Peter Nesvadba
Abstract: The present invention is based on the discovery that certain fermentation products of the marine actinomycete strains CNB392 and CNB476 are effective inhibitors of hyperproliferative mammalian cells. The CNB392 and CNB476 strains lie within the family Micromonosporaceae, and the generic epithet Salinospora has been proposed for this obligate marine group. The reaction products produced by this strain are classified as salinosporamides, and are particularly advantageous in treating neoplastic disorders due to their low molecular weight, low IC50 values, high pharmaceutical potency, and selectivity for cancer cells over fungi.
Type:
Application
Filed:
April 30, 2004
Publication date:
December 23, 2004
Applicant:
The Regents of the University of California
Inventors:
William Fenical, Paul Jensen, Tracy Mincer, Robert H.R. Feling
Abstract: An optically active lactone compound is produced by using a Zr(salen) complex of the following formula (I) or its enantiomer as a catalyst and subjecting a cyclic ketone compound to a Baeyer-Villiger reaction with at least one oxidizer selected from hydrogen peroxide, aqueous hydrogen peroxide and urea-hydrogen peroxide adduct in a solvent:
wherein Ar1 is an aryl group having a carbon number of 10 to 16 and Y is a phenoxy group or an alkoxy group having a carbon number of 1 to 10.
Abstract: Process for the preparation of compounds of formula (I) wherein R is halogen, R1O1R1S(O)n or (R1)2NC(X)O; R1 is C1-C8alkly, aryl-C1-C8alkyl, C1-C8haloalkyl or aryl; n is 0, 1, 2 or 3; X is O or S; and R2 is hydrogen, C1-C4alkyl or C1-C4haloalkyl, in which process, in a solvent, (1) an aniline derivative of formula (IV) wherein R is as defined above, and R3 is C1-C5alkyl or C1-C5haloalkyl, is diazotised in the presence of a mineral acid to form the corresponding diazonium salt of formul (II) wherein R and R3 are as defined above, Am− is an anion, and m is 1 or 2, (2) the resulting diazonium salt of formula (II) is carbonylated in the presence of a catalyst, CO and optionally a buffer, to form a benzoic acid derivative of formula (III) wherein R and R3 are as defined above, and (3) the benzoic acid derivative of formula (III) is then subjected to benzylic lactonisation in the ortho-position alkyl chain R3 in the presence of a free-radical initiator and a halogenating agent.
Type:
Application
Filed:
April 7, 2004
Publication date:
August 12, 2004
Inventors:
Anita Schnyder, Marco Passafaro, Thomas Rapold
Abstract: A safe and effective process for the oxidation of a primary or secondary alcohol to the corresponding aldehyde or ketone via the reaction of said alcohol with an anhydride solution of a 1,1,1-tri(C2-C4 alkanoyloxy-1,1-dihydro-1,2-benziodoxol-3(1H)-one, and a composition useful in this process.
Type:
Grant
Filed:
April 3, 2003
Date of Patent:
July 13, 2004
Assignee:
Wyeth
Inventors:
Ugo Chiacchio, Antonio Rescifina, Giuseppe Miraglia, Mariangela Magnano, Paola Di Raimondo
Abstract: Compounds of general formula (I): wherein R1, Y, (X)0, (W)n, (V)m, Z and U are as defined in the specification, are inhibitors of cruzipain and other cysteine protease inhibitors and are useful as therpeutic agents, for example in Chagas' disease, or for validating therapeutic target compounds.
Abstract: The novel benzamide derivative represented by formula (1) and the novel anilide derivative represented by formula (13) of this invention has differentiation-inducing effect, and are, therefore, useful a therapeutic or improving agent for malignant tumors, autoimmune diseases, dermatologic diseases and parasitism. In particular, they are highly effective as an anticancer drug, specifically to a hematologic malignancy and a solid carcinoma.