Carbamic Acid Patents (Class 560/148)
  • Publication number: 20150080573
    Abstract: The present invention provides processes and synthetic intermediates for the synthesis of 4-substituted ((1S,2S,4R)-2-hydroxy-4-{7H-pyrrolo[2,3-d]pyrimidin-7-yl}cyclopentyl)methyl sulfamates, which are E1 activating enzyme inhibitors, and are useful for the treatment of disorders of cell proliferation, particularly cancer, and other disorders associated with E1 activity.
    Type: Application
    Filed: November 25, 2014
    Publication date: March 19, 2015
    Applicant: Millennium Pharmaceuticals, Inc.
    Inventors: Ian Armitage, Eric L. Elliott, Marianne Langston, Steven P. Langston, Quentin J. McCubbin, Hiro Mizutani, Matthew Stirling, Lei Zhu
  • Publication number: 20150011458
    Abstract: The present invention relates to compounds of Formula I, IA, II, HA, III, or IHA and their pharmaceutical uses. Particular aspects of the invention relate to the use of those compounds for the selective inhibition of one or more caspases. Also described are methods where the compounds of Formula I, IA, II, IIA, III, or IIIA are used in the prevention and/or treatment of various diseases and conditions in subjects, including caspase-mediated diseases such as sepsis, myocardial infarction, ischemic stroke, spinal cord injury (SCI), traumatic brain injury (TBI) and neurodegenerative disease (e.g. multiple sclerosis (MS) and Alzheimer's, Parkinson's, and Huntington's diseases).
    Type: Application
    Filed: June 17, 2014
    Publication date: January 8, 2015
    Inventors: Jan-Eric Ahlfors, Khalid Mekouar
  • Publication number: 20140259455
    Abstract: The present invention relates to a method of increasing the chlorine fastness of dyed synthetic polyamide fibre materials, which comprises treating the fibre material after dyeing with an aqueous liquor comprising a thiourea/formaldehyde/bisphenol condensate or a thiourea/polyisocyanate adduct.
    Type: Application
    Filed: October 16, 2012
    Publication date: September 18, 2014
    Applicant: Huntsman International LLC
    Inventor: Philippe Ouziel
  • Publication number: 20140220122
    Abstract: The invention relates to methods, compounds, compositions and vehicles for delivering 3-amino-1-propanesulfonic acid (3APS) in a subject, preferably a human subject. The invention encompasses compound that will yield or generate 3APS, either in vitro or in vivo.
    Type: Application
    Filed: April 7, 2014
    Publication date: August 7, 2014
    Applicant: BHI Limited Partnership
    Inventors: Xianqi KONG, Mohamed ATFANI, Benoit BACHAND, Abderrahim BOUZIDE, Stephane CIBLAT, Sophie LEVESQUE, David MIGNEAULT, Isabelle VALADE, Xinfu WU, Daniel DELORME
  • Publication number: 20140154183
    Abstract: What is described are the compounds and the synthesis of [F-18]-labelled L-glutamic acid, [F-18]-labelled L-glutamate, their derivatives of the formula (I) and their use.
    Type: Application
    Filed: February 5, 2014
    Publication date: June 5, 2014
    Inventors: Matthias FRIEBE, Heribert SCHMITT-WILLICH, Matthias BERNDT, Ludger DINKELBORG, Norman KOGLIN, Keith GRAHAM
  • Patent number: 8729009
    Abstract: The present invention concerns new thiolysine and selenolysine compounds that can be used as building blocks for peptides and proteins, providing ligation handles for site- and chemoselective modification of said peptides and proteins. In particular, the invention provides. In particular, the invention provides (the use of) the compounds 5-thiolysine (also referred to as ?-thiolysine); 4-thiolysine (also referred to as ?-thiolysine); 5-selenolysine (also referred to as ?-selenolysine) and 4-selenolysine (also referred to as ?-selenolysine). The positioning of the thiol or selenol group at the respective carbon atom allows for a very efficient intramolecular transfer reaction to take place after conjugation with a selected ligand, and the thiol or selenol group may subsequently be removed using reported procedures, thereby restoring the native lysine structure, or be used as an additional conjugation handle. The methodology is fast and gives well-defined material.
    Type: Grant
    Filed: May 12, 2010
    Date of Patent: May 20, 2014
    Assignee: Stichting Het Nederlands Kanker Instituut
    Inventors: Huib Ovaa, Farid El Oualid
  • Publication number: 20140039200
    Abstract: The present invention relates to chiral ligands deriving from ?- and ?-amino acids, and from metal complexes formed from the same. The ligands are useful with catalytic gold complexes, particularly Au(I) complexes.
    Type: Application
    Filed: March 30, 2012
    Publication date: February 6, 2014
    Applicant: The University of Sussex
    Inventors: Eddy Michel Elie Viseux, Christopher Gallop, Mariusz Bobin
  • Publication number: 20130177854
    Abstract: A resist composition including a base component (A) which exhibits changed solubility in a developing solution, and an acidic compound component (J) which is decomposed by exposure to exhibit decreased acidity, wherein the acidic compound component (J) contains a compound represented by formula (J1) [in the formula, R1 represents H, OH, halogen atom, alkoxy group, hydrocarbon group or nitro group; m represents 0-4; n represents 0-3; Rx represents H or hydrocarbon group; X1 represents divalent linking group; X2 represents H or hydrocarbon group; Y represents single bond or C(O); A represents alkylene group which may be substituted with oxygen atom, carbonyl group or alkylene group which may have fluorine atom; Q1 and Q2 represents F or fluorinated alkyl group; and W+ represents primary, secondary or tertiary ammonium coutercation which exhibits pKa smaller than pKa of H2N+(X2)—X1—Y—O-A-C(Q1)(Q2)—SO3? generated by decomposition upon exposure].
    Type: Application
    Filed: January 10, 2013
    Publication date: July 11, 2013
    Applicant: TOKYO OHKA KOGYO CO., LTD.
    Inventor: Tokyo Ohka Kogyo Co., Ltd.
  • Publication number: 20130149783
    Abstract: Polyplex formulations were prepared using p(TETA/CBA), its PEGylated analog, p(TETA/CBA)-g-PEG2k, and mixtures of the two species at 10/90 and 50/50 wt %, respectively. Increasing PEG wt % inhibited polyplex formation. This work demonstrates the feasibility of preparing homogenous polyplexes by altering the PEG wt % using a mixture of p(TETA/CBA) and p(TETA/CBA)-g-PEG2k products. Further, a single-step method of making p(TETA/CBA)-g-PEG2k is disclosed.
    Type: Application
    Filed: March 16, 2011
    Publication date: June 13, 2013
    Inventors: James William Yockman, Jonathan H. Brumbach, Sung Wan Kim
  • Publication number: 20130102777
    Abstract: The present invention relates to an improved method for the preparation of 13-cyclohexyl-3-methoxy-6-[methyl-(2-{2-[methyl-(sulphamoyl)-amino]-ethoxy}-ethyl)-carbamoyl]-7H-indolo-[2,1-a]-[2]-benzazepine-10-carboxylic acid. The present invention also relates to a new compound, namely tert-butyl (methyl-{2-[2-(methylamino)-ethoxy]-ethyl}-sulphamoyl)-carbamate, used in this improved method.
    Type: Application
    Filed: June 24, 2011
    Publication date: April 25, 2013
    Applicant: JANSSEN R&D IRELAND
    Inventors: Tom Cornelis Hortense Govaerts, Jean-Pierre-Andre Marc Bongartz, Patrick Hubert J. Nieste
  • Publication number: 20130071863
    Abstract: The present invention provides a method of measuring an endogenous low-molecular-weight compound specifically and conveniently with high sensitivity. Using the particular sulfur-containing amino acid derivative, a method of measuring an endogenous low-molecular-weight compound specifically and conveniently with high sensitivity can be provided.
    Type: Application
    Filed: November 16, 2012
    Publication date: March 21, 2013
    Applicant: AJINOMOTO CO., INC.
    Inventor: AJINOMOTO CO., INC.
  • Publication number: 20130072709
    Abstract: The present invention provides, among other things, segmented, degradable polymeric reagents suitable for reaction with biologically active agents to form conjugates, the polymeric reagents comprising one or more polymer chains divided or separated by one or more degradable linkages into polymer segments having a molecular weight suitable for renal clearance. The polymeric reagents can have a substantially linear structure, a branched structure, or a multiarm structure. Each structure includes one or more linkages capable of degradation in vivo.
    Type: Application
    Filed: November 12, 2012
    Publication date: March 21, 2013
    Applicant: Nektar Therapeutics
    Inventor: Nektar Therapeutics
  • Publication number: 20120220784
    Abstract: The present invention provides an efficient and scalable process to prepare the compound of formula 4 by reduction of the corresponding ?-acyloxy sulfides.
    Type: Application
    Filed: February 24, 2012
    Publication date: August 30, 2012
    Applicant: ScinoPharm Singapore PTE, Ltd.
    Inventors: JyhHsiung Liao, LungHuang Kuo
  • Publication number: 20120190814
    Abstract: The present invention relates to the use of a compound comprising a moiety of formula (I) as a reagent for protecting a thiol group in a thiol compound wherein X, X? and Y are as defined herein. The protecting group methodology of the present invention allows straightforward and selective protection of thiol groups. Cleaving of the thiol group to regenerate the thiol functional group is also facile and controllable. The present invention further provides an analogous protecting group methodology directed to protection of disulfide groups.
    Type: Application
    Filed: August 10, 2010
    Publication date: July 26, 2012
    Applicant: UCL BUSINESS PLC
    Inventors: Mark Smith, Stephen Caddick, James Baker
  • Publication number: 20120135913
    Abstract: The present invention concerns new thiolysine and selenolysine compounds that can be used as building blocks for peptides and proteins, providing ligation handles for site- and chemoselective modification of said peptides and proteins. In particular, the invention provides. In particular, the invention provides (the use of) the compounds 5-thiolysine (also referred to as ?-thiolysine); 4-thiolysine (also referred to as ?-thiolysine); 5-selenolysine (also referred to as ?-selenolysine) and 4-selenolysine (also referred to as ?-selenolysine). The positioning of the thiol or selenol group at the respective carbon atom allows for a very efficient intramolecular transfer reaction to take place after conjugation with a selected ligand, and the thiol or selenol group may subsequently be removed using reported procedures, thereby restoring the native lysine structure, or be used as an additional conjugation handle. The methodology is fast and gives well-defined material.
    Type: Application
    Filed: May 12, 2010
    Publication date: May 31, 2012
    Inventors: Huib Ovaa, Farid El Oualid
  • Publication number: 20110305632
    Abstract: The present invention relates to a method of making asymmetrical bis(thiosemicarbazones), compounds useful as synthetic intermediates in the method, new bis(thiosemicarbazones) that can be readily accessed by use of the method and methods of treatment and imaging utilising some of the new bis(thiosemicarbazones).
    Type: Application
    Filed: December 11, 2009
    Publication date: December 15, 2011
    Applicant: THE UNIVERSITY OF MELBOURNE
    Inventors: Paul Stephen Donnelly, Brett Michael Paterson
  • Publication number: 20110300190
    Abstract: The disclosure herein provides a compound of formula I or its pharmaceutical acceptable salts, as well as polymorphs, solvates, and hydrates thereof. The steps of synthesis of compound of formula I is described. These salts may be formulated as pharmaceutical compositions. The pharmaceutical compositions may be formulated for oral administration, transdermal administration, or injection. Such compositions may be used to treatment of metabolic condition or neurodegenerative disorders or its associated complications.
    Type: Application
    Filed: June 3, 2011
    Publication date: December 8, 2011
    Applicant: KRISANI BIOSCIENCES (P) LTD
    Inventor: MAHESH KANDULA
  • Publication number: 20110269709
    Abstract: The invention provides the compounds of formula (I) or pharmaceutically acceptable salts thereof. The invention also provides pharmaceutical compositions comprising one or more compounds of formula I or intermediates thereof and one more of pharmaceutically acceptable carriers, vehicles or diluents. The invention further provides methods of preparation and methods of use of prodrugs including NO-releasing prodrugs, double prodrugs and mutual prodrugs comprising the compounds of formula I.
    Type: Application
    Filed: December 23, 2010
    Publication date: November 3, 2011
    Inventor: Apparao Satyam
  • Publication number: 20110224156
    Abstract: The invention relates to propionic acids, propionic acid esters, and related compounds, pharmaceutical compositions containing these compounds, and methods of using these compounds for the treatment of various diseases or conditions, including but not limited to diseases and/or conditions of Central Nervous System (CNS).
    Type: Application
    Filed: March 8, 2011
    Publication date: September 15, 2011
    Inventors: Mark A. Wolf, Keith D. Barnes
  • Publication number: 20110218236
    Abstract: A compound, composition and method of making and using a compound of formula 1 are disclosed. The compound of formula I also comprises of salts, polymorphs, solvates, mesylates, hydrochloric salt, solvates and hydrates thereof. The compound may be formulated as pharmaceutical compositions. The pharmaceutical compositions may be formulated for peroral, topical, transmucosal, inhalation, targeted delivery and sustained release formulations. Such compositions may be used to treat metal accumulation in blood, organs and due to genetic complications.
    Type: Application
    Filed: February 21, 2011
    Publication date: September 8, 2011
    Applicant: KRISHANI BIOSCIENCES (P) LTD
    Inventor: MAHESH KANDULA
  • Publication number: 20110218237
    Abstract: A compound, composition and method of making and using a compound of formula 1 are disclosed. The compound of formula I also comprises of salts, polymorphs, solvates, mesylates, hydrochloric salt, solvates and hydrates thereof. The compound may be formulated as pharmaceutical compositions. The pharmaceutical compositions may be formulated for peroral, topical, transmucosal, inhalation, targeted delivery and sustained release formulations. Such compositions may be used to treat metal accumulation in blood, organs and due to genetic complications.
    Type: Application
    Filed: February 21, 2011
    Publication date: September 8, 2011
    Applicant: KRISHANI BIOSCIENCES (P) LTD.
    Inventor: MAHESH KANDULA
  • Publication number: 20100247707
    Abstract: The invention relates to feed additives containing dipeptides or salts thereof, in which one amino acid residue of the dipeptide is a DL-methionyl residue and the other amino acid residue of the dipeptide is an amino acid in the L-configuration selected from lysine, threonine, tryptophan, histidine, valine, leucine, isoleucine, phenylalanine, arginine, cysteine and cystine; feed mixtures containing these additives and method of producing the dipeptides.
    Type: Application
    Filed: March 30, 2010
    Publication date: September 30, 2010
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Christoph KOBLER, Thomas HAEUSSNER, Katja KELM, Christoph WECKBECKER
  • Patent number: 7723307
    Abstract: Novel Amino Acid Derivatives and Pharmaceutical Uses Thereof Provided are novel compounds of Formula I: wherein ‘X’ represents an amino acid group, ‘n’ is an integer between 1 and 4, ‘R1’ represents benzyl, t-butyl or 9-fluorenylmethyl and ‘R2’ represents a tetramethylmercaptoimidazole derivative or —S+R3R4, wherein R3 and R4 each independently represent lower alkyl, or a pharmaceutically and/or veterinarily acceptable derivative thereof. Further provided are pharmaceutical formulations of the compounds and the use thereof in the preparation of a medicament for inhibiting diseases in which transglutaminase has been implicated. Advantageously, the medicament is for treating fibrosis, scarring and/or cancer. Additionally provided are methods, of inhibiting autoimmune diseases such as coeliac disease, neurodegeneration and chronic inflammatory diseases (e.g.
    Type: Grant
    Filed: June 16, 2004
    Date of Patent: May 25, 2010
    Assignee: Aston University
    Inventors: Martin Griffin, Ian G. Coutts, Robert E. Saint
  • Publication number: 20100093981
    Abstract: The present invention relates to carbamoylation of amines, mercaptanes, thiophenols and phenols employing organic azides. More specifically, the invention relates to a method for generating urea derivatives, thiocarbamate derivatives and carbamate derivatives, and is based on the intermediate formation of isocyanate, starting from an organic azide. The reaction as described is useful in applications for modified nucleoside synthesis, oligonucleotide synthesis, as well as modification, labeling and conjugation of polymers and biomolecules.
    Type: Application
    Filed: October 25, 2007
    Publication date: April 15, 2010
    Inventors: Andrey Yagodkin, Alex Azhayen
  • Publication number: 20090202573
    Abstract: The present invention provides polymeric conjugates containing positively charged moieties. Methods of making the polymeric delivery systems and methods of treating mammals using the same are also disclosed.
    Type: Application
    Filed: March 12, 2009
    Publication date: August 13, 2009
    Applicant: ENZON PHARMACEUTICALS, INC.
    Inventors: Hong ZHAO, Prasanna REDDY, Ivan HORAK, Jing XIA
  • Patent number: 7566738
    Abstract: Acyloxyalkyl carbamate prodrugs of 3-aminopropylsulfinic acid and analogs thereof, pharmaceutical compositions of 3-aminopropylsulfinic acid and analogs thereof, methods of making prodrugs of 3-aminopropylsulfinic acid and analogs thereof, methods of using prodrugs of 3-aminopropylsulfinic acid and analogs thereof, and pharmaceutical compositions thereof for treating or preventing diseases or disorders such as spasticity or gastroesophageal reflux disease are disclosed. Acyloxyalkyl carbamate prodrugs of 3-aminopropylsulfinic acid and analogs thereof and sustained release oral dosage forms thereof, which are suitable for oral administration, are also disclosed.
    Type: Grant
    Filed: November 3, 2005
    Date of Patent: July 28, 2009
    Assignee: XenoPort, Inc.
    Inventor: Mark A. Gallop
  • Patent number: 7317040
    Abstract: A compound of formula (I): namely (2S)-2-amino-4-{[2-(ethanimidoylamino)ethyl]thio}butanoic acid, compound with phosphoric acid, or a solvate or physiologically functional derivative thereof, is useful as a relatively non-hygroscopic selective inhibitor of inducible nitric oxide synthase.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: January 8, 2008
    Assignee: SmithKline Beecham Corporation
    Inventors: David Box, David Colclough, Iain Gillies, Michael Simon Loft, Rebecca Moore
  • Patent number: 7160845
    Abstract: Dithiocarbamate derivative compounds, useful as multifunctional additives for lubricating oils and fuels, are provided and are derived from a reaction product obtained from (a) a di(hydrocarbyl)thiocarbamate intermediate derived from the reaction of a dihydrocarbylamine and carbon disulfide; (b) an amide of the general formula R7CONH2 wherein R7 is an alkylene group having 2 to about 30 carbon atoms; and (c) an effective amount of a carbonyl-containing compound.
    Type: Grant
    Filed: March 31, 2004
    Date of Patent: January 9, 2007
    Assignee: Crompton Corporation
    Inventors: John R. Baranski, Theodore E. Nalesnik
  • Patent number: 7102013
    Abstract: Method of making an alpha-amino acid compound having the structure of Formula 32: comprising treating under hydrolyzing conditions a hydantoin compound having the structure of Formula 33: where the substituents are described herein.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: September 5, 2006
    Assignee: Pharmacia Corporation
    Inventors: Ronald Keith Webber, Richard C. Durley, Alok K. Awasthi, Arija A. Bergmanis, Kam F. Fok, Scott S. Ganser, Timothy J. Hagen, E. Ann Hallinan, Donald W. Hansen, Jr., Brian S. Hickory, Pamela T. Manning, Michael Mao, Alan E. Moormann, Barnett S. Pitzele, Michelle A. Promo, Richard R. Schartman, Jeffrey A. Scholten, Jeffrey S. Snyder, Mihaly V. Toth, Mahima Trivedi, Sofya Tsymbalov, Foe Siong Tjoeng
  • Patent number: 7037941
    Abstract: Certain Alpha- and Beta-amino acid hydroxyethylamino sulfamic acid derivatives represented by the following formula are useful as retroviral protease inhibitors:
    Type: Grant
    Filed: June 25, 2002
    Date of Patent: May 2, 2006
    Assignee: G. D. Searle & Co.
    Inventors: Michael L Vazquez, Richard A Mueller, John J Talley, Daniel P Getman, Gary A DeCrescenzo, Eric T Sun
  • Patent number: 6927036
    Abstract: Disclosed is a method for synthesizing 1-(acyloxy)-alkyl derivatives of primary or secondary amine drugs from 1-acyl-alkyl derivatives of primary or secondary amine drugs, which typically proceeds stereospecifically, in high yield, does not require the use of activated intermediates and/or toxic compounds and is readily amenable to scale-up. For example, 1-acyl-alkyl derivatives of gabapentin and pregabalin are oxidized to yield 1-(acyloxy)-alkyl derivatives of gabapentin and pregabalin, respectively.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: August 9, 2005
    Assignee: Xero Port, Inc.
    Inventors: Mark A. Gallop, Jia-Ning Xiang, Fenmei Yao, Laxminarayan Bhat, Cindy X. Zhou
  • Patent number: 6646150
    Abstract: The present invention provides a process for industrially producing (aminomethyl)trifluoromethylcarbinol derivatives, in particularly, optically active compounds thereof, which are useful as starting compounds for drugs such as protease inhibitors, etc.
    Type: Grant
    Filed: June 13, 2002
    Date of Patent: November 11, 2003
    Assignee: Dainippon Pharmaceutical Co., Ltd.
    Inventors: Fuminori Sato, Tomoki Omodani, Ryotaro Shiratake, Yasunao Inoue, Takashi Deguchi
  • Publication number: 20030191319
    Abstract: &agr;- and &bgr;-amino acid hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease.
    Type: Application
    Filed: May 30, 2002
    Publication date: October 9, 2003
    Applicant: G.D. Searle & Co.
    Inventors: Michael L. Vazquez, Richard A. Mueller, John J. Talley, Daniel P. Getman, Gary A. DeCrescenzo, John N. Freskos, Deborah E. Bertenshaw, Robert M. Heintz
  • Patent number: 6620848
    Abstract: The present invention relates to novel amidino compound of formula (I): to a process for their manufacture, to pharmaceutical compositions containing them, and to their use in therapy, in particular their use as selective inhibitors of inducible nitric oxide synthase.
    Type: Grant
    Filed: August 15, 2001
    Date of Patent: September 16, 2003
    Assignee: SmithKline Beecham Corporation
    Inventors: Richard Mansfield Beams, Martin James Drysdale, Karl Witold Franzmann, Anthony Joseph Frend, Harold Francis Hodson, Richard Graham Knowles, Daryl David Rees, David Alan Sawyer
  • Publication number: 20020086900
    Abstract: Methods of synthesizing pharmacologically useful oxazolidinones are disclosed, and, in particular, a method of manufacturing a 5-(tert-butylcarbamoyl)-aminomethyl-oxazolidinone by condensing a carbamate with a tert-butylcarbamoyl protected derivative of glycidylamine or 3-amino-1-halopropanol.
    Type: Application
    Filed: October 17, 2001
    Publication date: July 4, 2002
    Inventors: William R. Perrault, Robert C. Gadwood
  • Patent number: 6380358
    Abstract: Trisubstituted N-protected guanidines and methods for use as guanidinylating reagents to yield N-protected guanidine derivatives.
    Type: Grant
    Filed: December 1, 1999
    Date of Patent: April 30, 2002
    Assignee: The Regents of the University of California
    Inventors: Murray Goodman, Konrad Feichtinger, Todd T. Romoff
  • Patent number: 6369272
    Abstract: The present invention relates to novel amidino compound of formula (I). to a process for their manufacture, to pharmaceutical compositions containing them, and to their use in therapy, in particular their use as selective inhibitors of inducible nitric oxide synthase.
    Type: Grant
    Filed: August 24, 1999
    Date of Patent: April 9, 2002
    Assignee: GlaxoSmithKline
    Inventors: Richard Mansfield Beams, Martin James Drysdale, Karl Witold Franzmann, Anthony Joseph Frend, Harold Francis Hodson, Richard Graham Knowles, Daryl David Rees, David Alan Sawyer
  • Patent number: 6239175
    Abstract: Derivatives of mutiline of formula (1A) and pharmaceutically acceptable salts and derivatives thereof, in which R1 is ethyl or vinyl, Y is a carbamoyloxy group, in which the N-atom is unsubstituted, or mono- or di-substituted, are useful in the treatment of bacterial infections.
    Type: Grant
    Filed: December 21, 1999
    Date of Patent: May 29, 2001
    Assignee: Smithkline Beecham p.l.c.
    Inventors: Jeremy David Hinks, Andrew Kenneth Takle, Eric Hunt
  • Patent number: 6184412
    Abstract: The present invention provides a process for making N-alkoxy(or aryloxy)carbonyl isothiocyanate derivatives by reacting a chloroformate with a thiocyanate, in the presence of an aqueous solvent and a catalytic amount of a N,N-dialkylarylamine, to produce a N-alkoxy(or aryloxy)carbonyl isothiocyanate intermediate product, wherein the intermediate product is converted to a N-alkoxy(or aryloxy)carbonyl isothiocyanate derivative in high yield and purity.
    Type: Grant
    Filed: June 10, 1999
    Date of Patent: February 6, 2001
    Assignee: Bayer Corporation
    Inventors: Shekhar V. Kulkarni, Vijay C. Desai
  • Patent number: 6169200
    Abstract: The present invention provides a simple and inexpensive method for producing &agr;-hydroxy-&bgr;-aminocarboxylic acids and their esters. An ester of an N-protected &agr;-amino acid ester is converted into a &bgr;-ketosulfoxide, which is then processed with an acid to give an &agr;-ketohemimercaptal. Next, this is acylated and then processed with a base to obtain an N-protected &agr;-acyloxy-&bgr;-amino-thioester, which is then saponified to obtain an intended compound. According to the method of the present invention, it is possible to produce &agr;-hydroxy-&bgr;-aminocarboxylic acid derivatives, which are intermediates in producing various HIV protease inhibitors, renin inhibitors and carcinostatics, from a-amino acids. The method comprises reduced reaction steps, the selectivity in the method to give the intended product is high, and the yield of the product obtained is high.
    Type: Grant
    Filed: November 5, 1998
    Date of Patent: January 2, 2001
    Assignee: Ajinomoto Co., Inc.
    Inventors: Takayuki Suzuki, Yutaka Honda, Kunisuke Izawa
  • Patent number: 6117826
    Abstract: Dithiocarbamyl derivatives, useful as multifunctional additives for lubricating oils, of the formula ##STR1## wherein Q is ##STR2## R.sup.1 and R.sup.2 are each independently C.sub.1 -C.sub.30 n-alkyl, C.sub.3 -C.sub.30 branched alkyl, C.sub.3 -C.sub.12 cycloalkyl, C.sub.5 -C.sub.12 aryl, or C.sub.6 -C.sub.12 alkylaryl; R.sup.3 is C.sub.1 -C.sub.20 alkylene; R.sup.4 is --R.sup.3 --C(O)--O--; R.sup.5 and R.sup.6 are each independently hydrogen, C.sub.1 -C.sub.30 n-alkyl, C.sub.3 -C.sub.30 branched alkyl, C.sub.3 -C.sub.12 cycloalkyl, C.sub.5 -C.sub.12 aryl, or C.sub.6 -C.sub.12 alkylaryl; R.sup.7 is C.sub.1 -C.sub.20 alkylene, optionally substituted with --OR.sup.5 or --COOH; R.sup.8 is --R.sup.3 --C(O)--NR.sup.5 --; n is 0, 1, 2 or 3; and y is 0, 1, 2, or 3.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: September 12, 2000
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: John Robert Baranski, Cyril Andrew Migdal
  • Patent number: 6072075
    Abstract: Trisubstituted N-protected guanidines and methods for use as guanidinylating reagents to yield N-protected guanidine derivatives.
    Type: Grant
    Filed: May 22, 1997
    Date of Patent: June 6, 2000
    Assignee: The Regents of the University of California
    Inventors: Murray Goodman, Konrad Feichtinger, Todd T. Romoff
  • Patent number: 6066754
    Abstract: The present invention provides a process for making N-alkoxy(or aryloxy)carbonyl isothiocyanate derivatives by reacting a chloroformate with a thiocyanate, in the presence of an organic solvent and a catalytic amount of a N,N-dialkylarylamine, to produce a N-alkoxy(or aryloxy)carbonyl isothiocyanate intermediate product, wherein the intermediate product is converted to a N-alkoxy(or aryloxy)carbonyl isothiocyanate derivative in high yield and purity.
    Type: Grant
    Filed: June 10, 1999
    Date of Patent: May 23, 2000
    Assignee: Bayer Corporation
    Inventor: Shekhar V. Kulkarni
  • Patent number: 6040338
    Abstract: The present invention relates to a compound of the formula wherein R.sup.1 and R.sup.2 are selected from lower alkyl groups having 1-6 carbon atoms, substituted or unsubstituted aryl groups, and unsaturated alkyl groups having 1-6 carbon atoms; R.sup.3 is a substituted or unsubstituted lower alkyl group having 1-6 carbons; and R.sup.4 is selected from substituted or unsubstituted lower alkyl groups having 1-6 carbon atoms, substituted or unsubstituted aryl groups, and unsaturated alkyl groups having 1-6 carbon atoms. The present invention also relates to a pharmaceutical composition comprising the above compound, as well as a method of treating tumor cells with the compound.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: March 21, 2000
    Assignee: Yale University
    Inventors: Alan C. Sartorelli, Krishnamurthy Shyam, Philip G. Penketh, Shu-Hui Chen
  • Patent number: 5869725
    Abstract: Derivatives of gamma-amino-alpha,beta-unsaturated sulfonic acids, a process for the preparation of the same and their utilization in the synthesis of pseudopeptides characterized by the presence of at least a sulfonamide type bond conjugated to a double bond are described.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: February 9, 1999
    Assignee: Pharmacia & UpJohn S.P.A.
    Inventors: Cesare Gennari, Donatella Potenza, Barbara Salom
  • Patent number: 5733935
    Abstract: A hydroxylamine derivatives of formula (I): ##STR1## wherein R represents ##STR2## in which R.sup.1 and R.sup.2 represents alkyl group, alkenyl group, alkynyl group, cycloalkyl group, haloalkyl group, haloalkynyl group, alkoxy - alkyl group, phenoxy - alkyl group, alkylthio - alkyl group, alkylsulfonyl - alkyl group, alkylamino - alkyl group, phenyl group, benzyl group, phenethyl group, cinnamyl group, pyridyl group, furyl group, thienyl group, X represents CO.sub.2, CO or SO.sub.2, and R.sup.3, R.sup.4, R.sup.5 and R.sup.6 represent a hydrogen atom or a lower alkyl group, and n represents 0 or 1, and fungicides contain said compound as an active ingredient.The compounds of the present invention have excellent effects for controlling wood-rot fungi, plant diseases and fungi of humans and animals, and are useful as industrial, agricultural and medical fungicides.
    Type: Grant
    Filed: June 17, 1996
    Date of Patent: March 31, 1998
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Nobuharu Andoh, Tsutomu Nishiguchi, Katsutoshi Endo
  • Patent number: 5676923
    Abstract: Diethylenetriaminepentaacetic acid monoamide derivatives, their complexes and complex salts, containing an element of atomic numbers 21-29, 31, 32, 39, 42-44, 49 or 57-83, pharmaceutical agents containing these compounds, their use as contrast media and process for their production.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 14, 1997
    Assignee: Schering Aktiengesellschaft
    Inventors: Johannes Platzek, Ulrich Niedballa, Peter Mareski, Bernd Raduchel, Hanns-Joachim Weinmann, Andreas Muhler, Bernd Misselwitz
  • Patent number: 5629440
    Abstract: A composition comprisinga) a lubricant or a hydraulic fluid andb) at least one compound of the general formula I ##STR1## in which x=1 or 2 and,if x=1,R is as defined for R.sup.1 or R.sup.3 --O-- or,if x=2,R is as defined for R.sup.8, andR.sup.1 and R.sup.3 are, for example, alkyl, cycloalkyl, alkenyl, phenyl, naphthyl, aralkyl or alkaryl, or alkyl, cycloalkyl, alkenyl, phenyl, naphthyl, aralkyl or alkaryl, which are monosubstituted or polysubstituted by groups from the series comprising halogen, cyano, nitro, e.g. --OCH.sub.3 or e.g. --COOCH.sub.3, or alkyl, cycloalkyl, alkenyl, aralkyl or alkaryl which are interrupted by one or more groups from the series comprising --O--, --S--, --NH--, ##STR2## or alkyl, cycloalkyl, alkenyl, aralkyl or alkaryl which are monosubstituted or polysubstituted by groups from the series comprising halogen, cyano, nitro, e.g. --OCH.sub.3 or e.g. --COOCH.sub.3 and interrupted by one or more groups from the series comprising --O--, --S--, --NH--, ##STR3## and R.sup.2 is NR.sup.4 R.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: May 13, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Hugo Camenzind, Peter Nesvadba
  • Patent number: 5523463
    Abstract: A process for the manufacture of N-protected .alpha.-aminoketones and N-protected .alpha.-aminoalcohols of the formula ##STR1## wherein X is halogen, one of Q.sup.1 and Q.sup.2 is hydrogen and the other is hydroxy or Q.sup.1 and Q.sup.2 together are oxo, R.sup.1 is an amino protecting group and R.sup.2 is hydrogen or the characterizing group of an .alpha.-aminocarboxylic acid,starting from the corresponding lower alkyl N-protected .alpha.-aminocarboxylates via corresponding lower alkyl N-silyl protected .alpha.-aminocarboxylates.
    Type: Grant
    Filed: August 21, 1995
    Date of Patent: June 4, 1996
    Assignee: Hoffmann-La Roche Inc.
    Inventor: Hans Hilpert
  • Patent number: 5510378
    Abstract: Hydroxyethylamine compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: April 23, 1996
    Assignee: G.D. Searle & Co.
    Inventors: John J. Talley, Kathryn L. Reed