The Five-membered Hetero Ring Is Unsubstituted Or Is Alkyl Substituted Only (e.g., Pyrrolidine, Etc.) Patents (Class 548/579)
  • Patent number: 5990352
    Abstract: A salt useful as an active species in an organic reaction and represented by the following chemical formula (1): ##STR1## wherein n stands for an integer of from 1 to 8, Z.sup.n- represents an n-valent anion of an active hydrogen compound, a, b, c and d each stands for a positive integer, and Rs represent the same or different hydrocarbon groups. In addition, a simple and efficient process is provided for producing a poly(alkylene oxide) by polymerizing an alkylene oxide compound in the presence of the salt represented by the chemical formula (1).
    Type: Grant
    Filed: February 5, 1997
    Date of Patent: November 23, 1999
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Tadahito Nobori, Masahiro Kouno, Toshiaki Suzuki, Kazumi Mizutani, Shinji Kiyono, Yoshiho Sonobe, Usaji Takaki
  • Patent number: 5972964
    Abstract: Compounds of formula I ##STR1## wherein R1.dbd.(cyclo)alk(en)yl, aralkyl, alkyl(oxy)carbonyl, CONH2, etc.; R2.dbd.H, (cyclo)alk(en)yl, aralkyl, etc.; R3-R5.dbd.H, halo, alkyl, alkoxy, etc.; R6,R7.dbd.H, alkyl; R6R7.dbd.atoms to complete a ring; R8,R9.dbd.groups cited for R2, 2-oxoimidazolidinoalkyl, etc.; NR8R9=heterocyclyl; 1 of X,Y=CH2 and the other.dbd.CH2, O, S were prepd. Thus, 1-indancarboxylic acid was converted in 5 steps to 1-(N,N-dipropylaminomethyl)-6-formylaminoindane oxalate which had ED50 of 0.0055.mu.M/kg s.c. in the 8--OH DPAT cue agonism test in rats.
    Type: Grant
    Filed: October 22, 1997
    Date of Patent: October 26, 1999
    Assignee: H. Lundbeck A/S
    Inventor: Jens Perregaard
  • Patent number: 5962697
    Abstract: This invention relates to processes for the synthesis of various optically active amino pyrrolidinyl stereoisomers, or enantiomers, that may be attached to quinolonecarboxylic acids or naphthyridones. Processes and essential intermediates are disclosed and claimed for the synthesis of compounds represented by the structure shown in figure BG.sub.4-1, below. ##STR1## where R.sup.50, R.sup.6 and R.sup.9 are defined independently and are H, --(C.sub.1 -C.sub.8)alkyl, --(C.sub.3 -C.sub.8)cycloalkyl, --(C.sub.1 -C.sub.8)alkyl-(C.sub.3 -C.sub.8)cycloalkyl, --(C.sub.6 -C.sub.12 aryl), --(C.sub.1 -C.sub.8) alkyl-(C.sub.6 -C.sub.12 aryl), or the aryl or alkyl is substituted with one to three of the following groups, (C.sub.6 -C.sub.12 aryl), (C.sub.1 -C.sub.3)alkyl, (C.sub.1 -C.sub.3) alkoxy, halogen, trifluoromethyl;where R.sup.2 is --(C.sub.1 -C.sub.8)alkyl, --(C.sub.3 -C.sub.8)cycloalkyl, --(C.sub.1 -C.sub.8)alkyl-(C.sub.3 -C.sub.8)cycloalkyl, --(C.sub.6 -C.sub.12 aryl), --(C.sub.1 -C.sub.8)alkyl-(C.sub.6 -C.sub.
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: October 5, 1999
    Assignee: Pharmacia & Upjohn Company
    Inventors: Thomas J. Fleck, Bruce A. Pearlman, William W. McWhorter, Jr.
  • Patent number: 5948809
    Abstract: (-)Cis-6(S)-phenyl-5(R)-?4-(2-pyrrolidin-1-yl ethoxy)phenyl!-5,6,7,8-tetrahydro-naphthalen-2-ol D-tartrate, pharmaceutical compositions comprising this compound, and an advantageous process for preparing the compound.
    Type: Grant
    Filed: April 28, 1998
    Date of Patent: September 7, 1999
    Assignee: Pfizer Inc
    Inventors: Charles K. Chiu, Morgan Meltz
  • Patent number: 5945443
    Abstract: Compounds having kappa opioid agonist activity, compositions containing them and method of using them as analgesics are provided. The compound of formulae IV having the structure: ##STR1## wherein X.sub.9 ;R.sub.1, R.sub.2, R.sub.3, R.sub.4 ;and n are as described in the specification.
    Type: Grant
    Filed: March 3, 1998
    Date of Patent: August 31, 1999
    Assignee: Adolor Corporation
    Inventors: Lawrence I. Kruse, An-Chih Chang, Diane L. DeHaven-Hudkins, John J. Farrar, Forrest Gaul, Virendra Kumar, Michael Anthony Marella, Alan L. Maycock, Wei Yuan Zhang
  • Patent number: 5932745
    Abstract: This invention concerns the use of a hydroxylic solvent in the preparation of enaminones from the corresponding amine N-oxides or propargylic amines via the general process outlined below: ##STR1##
    Type: Grant
    Filed: June 30, 1998
    Date of Patent: August 3, 1999
    Assignee: American Home Products Corporation
    Inventors: Russell G. Dushin, Eugene J. Trybulski
  • Patent number: 5929117
    Abstract: Cyano and carboxy derivatives of substituted styrenes are inhibitors of tumor necrosis factor .alpha., nuclear factor .kappa.B, and phosphodiesterase and can be used to combat cachexia, endotoxic shock, retrovirus replication, asthma, and inflammatory conditions. A typical embodiment is 3,3-bis-(3,4-dimethoxyphenyl)acrylonitrile.
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: July 27, 1999
    Assignee: Celgene Corporation
    Inventors: George W. Muller, Mary Shire
  • Patent number: 5929287
    Abstract: This invention relates to a process for the selective monochlorination or dichlorination of certain substituted alkenes using trichloroisocyanuric acid. The chlorinated alkenes can be easily hydrolyzed to provide .alpha.-monochloroketones or .alpha.,.alpha.-dichloroketones with a high degree of selectivity. The resulting .alpha.-monochloroketones or .alpha.,.alpha.-dichloroketones have utility as fungicides or function as useful intermediates for fungicides.
    Type: Grant
    Filed: April 13, 1998
    Date of Patent: July 27, 1999
    Assignee: Rohm and Haas Company
    Inventors: Renee Caroline Roemmele, Heather Lynnette Rayle
  • Patent number: 5922279
    Abstract: The present invention provides methods for treating contact lenses and compositions for the same. The present invention includes contacting a lens with an aqueous solution comprising a pyrrolidone compound represented by the formula: ##STR1## wherein: R is a hydrogen or an alkyl group having from 1 to 6 carbon atoms. In preferred embodiments of the invention, the subject compounds are used in combination with antimicrobial agents for providing simultaneous disinfection and cleaning of contact lenses.
    Type: Grant
    Filed: February 6, 1997
    Date of Patent: July 13, 1999
    Assignee: Bausch & Lomb Incorporated
    Inventor: Susan P. Spooner
  • Patent number: 5912343
    Abstract: A compound comprising at least one cyclic amine, having an organolithium side-chain, defined according to formula (I) ##STR1## wherein Z is a lithium atom (Li); R.sub.1 is selected from the group consisting of organic groups containing from 1 to about 12 carbon atoms and a bridging bond; each R.sub.2 is independently selected from the group consisting of hydrogen, organic groups containing from 1 to about 12 carbon atoms, and a bridging bond; each R.sub.3 is independently selected from the group consisting of hydrogen and organic groups containing from 1 to about 12 carbon atoms; a is an integer from 4 to about 16; and b is an integer from 0 to about 12; and optionally including a bridge, formed by the selection of two of said bridging bonds, the bridge having 0 to about 6 carbon atoms between the bridging ring members.
    Type: Grant
    Filed: December 31, 1996
    Date of Patent: June 15, 1999
    Assignee: Bridgestone Corporation
    Inventors: David F. Lawson, William L. Hergenrother, Michael L. Kerns
  • Patent number: 5898076
    Abstract: Process for preparing N-pyruvyl-L-proline by reaction of L-proline with methyl pyruvate dimethyl ketal in the presence of an alkali metal alkoxide, subsequent acid hydrolysis and extraction of 1-pyruvyl-L-proline.
    Type: Grant
    Filed: August 6, 1998
    Date of Patent: April 27, 1999
    Assignee: DSM Chemie Linz GmbH
    Inventors: Karlheinz Giselbrecht, Curt Zimmermann
  • Patent number: 5892038
    Abstract: Compounds of Formula I ##STR1## are disclosed as inhibitors of plasmepsin and cathepsin D. The compounds are therefore useful to treat diseases such as malaria. In preferred compounds of formula I, Y is the residue of an N-acylated amino acid, a substituted 4-aminoproline or a substituted piperazinealkanoic acid. Intermediates in the solid phase synthesis of compounds of formula I, in which the compounds are attached to a solid support, are also disclosed.
    Type: Grant
    Filed: December 8, 1997
    Date of Patent: April 6, 1999
    Assignee: Pharmacopeia, Inc.
    Inventors: Roland Ellwood Dolle, III, Hitesh K. Patel
  • Patent number: 5889058
    Abstract: Methods of use for compounds of formula (I) are described wherein R represent a --CONHOH, carboxyl (--CO.sub.2 H) or esterified carboxyl group; R.sup.1 represents a hydrogen atom or an optionally substituted alkyl, alkenyl, aryl, aralkyl, heteroaralkyl or heteroarylthioalkyl group; R.sup.2 represents an optionally substituted phenylethyl, phenylpropyl or phenylbutyl group; R.sup.3 represents a hydrogen atom or an alkyl group; R.sup.4 represents a hydrogen atom or an alkyl group; R.sup.5 represents an optionally substituted alkyl or alkenyl group optionally interrupted by one or more --O-- or --S-- atoms or --N(R.sup.7)-- groups (where R.sup.7 is a hydrogen atom or a C.sub.1-6 alkyl group); X represents an amino (--NH.sub.2), or substituted amino, hydroxyl or substituted hydroxyl group; and the salts, solvates and hydrates thereof.
    Type: Grant
    Filed: November 3, 1994
    Date of Patent: March 30, 1999
    Assignee: Celltech Limited
    Inventors: John Robert Porter, Thomas Andrew Millican, John Richard Morphy, Nigel Robert Arnold Beeley
  • Patent number: 5849760
    Abstract: New 2-(arylalkenyl)azacycloalkane derivatives which are ligands for sigma receptors, of the formula (I) ##STR1## in which: Ar is aryl or heteroaryl, optionally mono- to trisubstituted,m has the value 1 or 2,n has the value 1 to 3,R is phenyl, or cycloalkyl containing 3 to 7 carbon atoms,their isomers and their addition salts. Medicinal drugs which are antipsychotic agents and are useful in gastroenterology.
    Type: Grant
    Filed: June 7, 1996
    Date of Patent: December 15, 1998
    Assignee: Institut de Recherche Jouveinal
    Inventors: Alain Pierre Calvet, Henry Jacobelli, Jean-Louis Junien, Pierre Riviere, Fran.cedilla.ois-Joseph Roman
  • Patent number: 5847148
    Abstract: The present invention provides novel thiadiazole derivatives represented by formula I: ##STR1## or pharmaceutical acceptable salts thereof wherein the compounds of the present invention inhibit various enzymes from the matrix metalloproteinase family, predominantly stromelysins, and hence are useful for the treatment of matrix metallo endoproteinase diseases such as osteoarthritis, rheumatoid arthritis, septic arthritis, osteopenias such as osteoporosis, tumor metastasis (invasion and growth), periodontitis, gingivitis, corneal ulceration, dermal ulceration, gastric ulceration, and other diseases related to connective tissue degradation.
    Type: Grant
    Filed: April 10, 1997
    Date of Patent: December 8, 1998
    Assignee: Pharmacia & Upjohn Company
    Inventors: Eric J. Jacobsen, Mark A. Mitchell, Heinrich J. Schostarez, Donald E. Harper
  • Patent number: 5804595
    Abstract: The invention provides certain amino acid conjugates of substituted 2-phenyl-N-?1-(phenyl)-2-(1-heterocycloalkyl- or heterocycloaryl-)ethyl!acetamides useful for selectively agonizing kappa opioid receptors in mammalian tissue.
    Type: Grant
    Filed: December 5, 1995
    Date of Patent: September 8, 1998
    Assignee: Regents of the University of Minnesota
    Inventors: Philip S. Portoghese, An-Chih Chang
  • Patent number: 5773660
    Abstract: A process for preparing amines of the formula I ##STR1## where R.sup.1,R.sup.2,R.sup.3,R.sup.4,R.sup.5 and R.sup.6 are each hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.2 -C.sub.20 -alkenyl, C.sub.2 -C.sub.20 -alkynyl, C.sub.3 -C.sub.20 -cycloalkyl, C.sub.4 -C.sub.20 -alkylcycloalkyl, C.sub.4 -C.sub.20 -cycloalkylalkyl, aryl, C.sub.7 -C.sub.20 -alkylaryl or C.sub.7 -C.sub.20 -aralkyl,R.sup.1 and R.sup.2 are together a saturated or unsaturated C.sub.3 -C.sub.9 -alkylene dichain, andR.sup.3 or R.sup.5 is C.sub.21 -C.sub.200 -alkyl or C.sub.21 -C.sub.200 -alkenyl or together they are a C.sub.2 -C.sub.12 -alkylene dichain,by reacting olefins of the formula II ##STR2## where R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are each as defined above, with ammonia or primary or secondary amines of the formula III ##STR3## where R.sup.1 and R.sup.2 are each as defined above, at temperatures from 200.degree. to 350.degree. C.
    Type: Grant
    Filed: January 21, 1997
    Date of Patent: June 30, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Karsten Eller, Rudolf Kummer, Eugen Gehrer
  • Patent number: 5750709
    Abstract: Method and apparatus are described for isolating natural therapeutic compositions from source materials. The method and apparatus isolate natural therapeutic compositions from waxes, fats, oils and other constituents of the source material with the use of supercritical, critical or near critical fluids.
    Type: Grant
    Filed: January 31, 1995
    Date of Patent: May 12, 1998
    Assignee: Aphios Corporation
    Inventor: Trevor P. Castor
  • Patent number: 5686435
    Abstract: The invention pertains to vitamin D amide derivatives of formula (I). These novel 1.alpha.-hydroxy vitamin D derivatives and their 20-epi analogues comprise compounds of formula (I) and corresponding 5,6-trans isomers, where Y represents an alkylene or alkenylene group containing up to four carbon atoms; R.sup.1 and R.sup.2 independently represent a hydrogen atom or a lower alkyl or cycloalkyl group, or R.sup.1 R.sup.2 N-- represents a heterocyclic group; and R.sup.3 and R.sup.4 independently represent a hydrogen atom or an O-protecting group. Active compounds, in which R.sup.3 and R.sup.4 are hydrogen atoms or metabolically labile O-protecting groups exhibit potent cell modulating effect, but minimal effect on calcium metabolism.
    Type: Grant
    Filed: December 7, 1995
    Date of Patent: November 11, 1997
    Assignee: Research Institute for Medicine and Chemistry
    Inventors: Robert Henry Hesse, Gaddam Subba Reddy, Sundara Katugam Srinivasasetty Setty
  • Patent number: 5648494
    Abstract: Compounds of the formula ##STR1## in which R.sub.1 is halogen, C.sub.1 -C.sub.3 alkyl, halo-C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy, halo-C.sub.1 -C.sub.3 alkoxy or cyano and/or two substituents R.sub.1 which are bonded to adjacent C atoms of the phenyl ring together are --O--CH.sub.2 --O--; R.sub.2 is hydrogen, halogen or methyl;R.sub.3 is fluorine, chlorine, bromine or C.sub.1 -C.sub.3 alkyl; R.sub.4 is hydrogen or C.sub.1 -C.sub.3 alkyl; either R.sub.5 is hydrogen, C.sub.1 -C.sub.4 alkyl, ##STR2## --COCO--R.sub.8, --CO--R.sub.9 or S(O).sub.m --N(R.sub.10)--COO--R.sub.11 andR.sub.6 is C.sub.1 -C.sub.6 alkyl, halo-C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.6 alkenyl, halo-C.sub.3 -C.sub.4 alkenyl, C.sub.3 C.sub.5 alkynyl, halo-C.sub.3 -C.sub.5 alkynyl, C.sub.1 -C.sub.3 alkoxy-C.sub.1 -C.sub.3 alkyl, C.sub.3 -C.sub.6 cycloalkyl, unsubstituted or substituted phenyl; or R.sub.5 and R.sub.6 together are --(CH.sub.2).sub.4 -- or --(CH.sub.2).sub.5 --; R.sub.7 is hydrogen, halogen or C.sub.1 -C.sub.3 alkyl; R.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: July 15, 1997
    Assignee: Ciba-Geigy Corporation
    Inventor: Friedrich Karrer
  • Patent number: 5610227
    Abstract: The present invention provides anionic polymerization initiators, comprising lithium amino magnesiate complexes, resulting in diene polymer and copolymer elastomers. The invention initiators have stable living ends at high polymerization temperatures and produce polymers containing a high level of tertiary amine functionality. Such polymers exhibit an increased efficiency in coupling termination reactions, and elastomers and products prepared from such polymers exhibit reduced hysteresis properties. Methods are also provided for preparing the initiators, the polymers and the elastomers.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 11, 1997
    Assignee: Bridgestone/Firestone, Inc.
    Inventors: Thomas A. Antkowiak, James E. Hall
  • Patent number: 5520829
    Abstract: Lube oils of improved properties contain ethylene-propylene copolymer bearing moieties derived from the reaction product of allyl glycidyl ether and a heterocyclic amine such as N-(3-aminopropyl) morpholine.
    Type: Grant
    Filed: January 10, 1995
    Date of Patent: May 28, 1996
    Assignee: Texaco Inc.
    Inventors: Maria M. Kapuscinski, Christopher S. Liu, Larry D. Grina, Ronald E. Jones
  • Patent number: 5521309
    Abstract: An anionic polymerization initiator includes the C-lithio reaction product of an organolithium compound and a tertiary-amino allyllithium or a tertiary-amino xylyllithium. When used in an anionic polymerization, a functional group from the initiator is incorporated onto the head of the growing polymer and a lithium atom is incorporated at the "living" end of the polymer chain prior to quenching. The initiator may be used to polymerize a monomer(s) including diolefin monomers, monovinyl aromatic monomers and trienes, and the living ends of the polymers are effectively maintained even at temperatures of up to 300.degree. F. and higher. Such polymers exhibit an increased efficiency in coupling termination reactions, and products prepared from such polymers exhibit improved hysteresis characteristics. Products such as tires and the like can be prepared from such polymers and from vulcanizable elastomer compositions employing the polymers.
    Type: Grant
    Filed: December 23, 1994
    Date of Patent: May 28, 1996
    Assignee: Bridgestone Corporation
    Inventors: Thomas A. Antkowiak, James E. Hall, David F. Lawson, John R. Schreffler, Mark L. Stayer, Jr.
  • Patent number: 5502213
    Abstract: A process for purifying crude pyrroles obtained in the preparation of pyrroles of the general formula I ##STR1## where R is hydrogen or a C.sub.1 -C.sub.6 -alkyl radical, which comprises treating the mixture containing the crude pyrrole with an acid or an activated carboxylic acid derivative and removing the pyrrole from the mixture by distillation at reduced pressure and at a bottom temperature of up to 160.degree. C.
    Type: Grant
    Filed: January 21, 1994
    Date of Patent: March 26, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Pfab, Peter Wahl, Dieter Franz
  • Patent number: 5495032
    Abstract: The invention provides a process for the production of compounds of the formula: ##STR1## wherein, R, R.sup.3, R.sup.4, X and W are defined in the specification in which a compound of the following formula: ##STR2## is reacted with a nucleophile of the formula WH in an inert atmosphere in the presence of a polar-protic or a polar-aprotic solvent. The resulting compounds are useful as antibiotics.
    Type: Grant
    Filed: September 27, 1994
    Date of Patent: February 27, 1996
    Assignee: American Cyanamid Company
    Inventors: Phaik-Eng Sum, Ving J. Lee, Joseph J. Hlavka, Raymond T. Testa
  • Patent number: 5495018
    Abstract: The invention provides compounds of the formulas ##STR1## which are useful as intermediates for the preparation of 6-demethyl-6-deotetracycline antibiotic agents.
    Type: Grant
    Filed: December 8, 1994
    Date of Patent: February 27, 1996
    Assignee: American Cyanamid Company
    Inventors: Phaik-Eng Sum, Ving J. Lee, Joseph J. Hlavka, Raymond T. Testa
  • Patent number: 5495031
    Abstract: The invention provides a process for the production of compounds of the formula: ##STR1## wherein R, R.sup.3, R.sup.4 and W are defined in the specification in which a compound of the following formula: ##STR2## is reacted with a nucleophile of the formula WH in an inert atmosphere in the presence of a polar aprotic solvent. The resulting compounds are useful as antibiotics.
    Type: Grant
    Filed: September 13, 1994
    Date of Patent: February 27, 1996
    Assignee: American Cyanamid Company
    Inventors: Phaik-Eng Sum, Ving J. Lee, Raymond T. Testa
  • Patent number: 5470960
    Abstract: A phenylalanine-glycine derivative of the general formula (I): ##STR1## wherein R represents a residue of an antitumor substance, or a salt or ester thereof, a process for preparation thereof, and a pharmaceutical composition containing the same are described.The novel conjugate of the phenylalanine-glycine derivative and the antitumor substance exhibits superior antitumor activity in comparison with the case wherein an antitumor substance is administered singly or as a mixture with phenylalanine.
    Type: Grant
    Filed: January 11, 1995
    Date of Patent: November 28, 1995
    Assignee: Kureha Chemical Industry Co., Ltd.
    Inventors: Koichi Niimura, Takako Kawabe, Takao Ando, Kenichi Saito
  • Patent number: 5442059
    Abstract: The invention provides compounds of the formula: ##STR1## wherein R, and R.sup.1 and W are defined in the specification. These compounds are useful as antibiotic agents.
    Type: Grant
    Filed: August 13, 1992
    Date of Patent: August 15, 1995
    Assignee: American Cyanamid Company
    Inventors: Phaik-Eng Sum, Ving J. Lee, Raymond T. Testa
  • Patent number: 5420158
    Abstract: The invention relates to a compound selected from those of general formula (I): ##STR1## in which R, R.sub.1, R.sub.2 and R.sub.3 are as defined in the specification, an optical isomer, and an addition salt thereof with a pharmaceutically-acceptable base.Medicinal product which is useful in the treatment of disorders linked to abnormal melatonin activity.
    Type: Grant
    Filed: March 23, 1993
    Date of Patent: May 30, 1995
    Assignee: Adir et Compagnie
    Inventors: Said Yous, Daniel Lesieur, Patrick Depreux, Beatrice Guardiola-Lemaitre, Gerard Adam, Pierre Renard, Daniel H. Caignard
  • Patent number: 5380897
    Abstract: Novel tri(platinum) complexes containing three platinum coordination spheres coupled via diamine or triamine bridging agents are taught as well as methods for their preparation. These complexes are to be used as pharmaceutical agents, e.g., for the treatment of cancer and parasitic diseases.
    Type: Grant
    Filed: May 25, 1993
    Date of Patent: January 10, 1995
    Inventors: James D. Hoeschele, Yun Qu, Nicholas Farrell
  • Patent number: 5369123
    Abstract: Novel nitrogen-substituted mevinic acid derivatives which inhibit the activity of HMG-CoA reductase. Pharmaceutical compositions, and methods of use for the treatment or prevention of hypercholesterolemia, atherosclerosis, hyperlipoproteinaemia and hyperlipidemia are provided, as are novel methods for preparation and intermediate compounds.
    Type: Grant
    Filed: October 9, 1992
    Date of Patent: November 29, 1994
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Dinos P. Santafianos, Kathleen M. Poss, Eric M. Gordon, Peggy J. McCann
  • Patent number: 5328902
    Abstract: The invention provides compounds of the formula: ##STR1## wherein R, R.sup.3, R.sup.4 and W are defined in the specification. These compounds are useful as antibiotic agents.
    Type: Grant
    Filed: August 13, 1992
    Date of Patent: July 12, 1994
    Assignee: American Cyanamid Co.
    Inventors: Phaik-Eng Sum, Ving J. Lee, Raymond T. Testa
  • Patent number: 5312930
    Abstract: This invention relates to optical elements capable of second harmonic generation and novel compositions for use in such optical elements comprising polar molecules placed in noncentrosymmetric configuration wherein such optical element has an electron donor moiety linked through a conjugated bonding moiety to an electron acceptor moiety which consists of a selected fluorinated sulfone, fluorinated ketone, fluorinated vinyl sulfone or fluorinated alkyl vinyl sulfone.
    Type: Grant
    Filed: December 31, 1992
    Date of Patent: May 17, 1994
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Lap T. Cheng, Andrew E. Feiring, Wilson Tam
  • Patent number: 5296633
    Abstract: The methylated tertiary amines are selectively prepared by reacting a primary or secondary amine, or a nitrile or aminonitrile, including an aminoalcohol, etheramine, a polyamine or fatty polyamine or amidoamine, or amidopolyamine or dinitrile, with hexamethylenetetramine ("HMTA"), under hydrogen pressure at a temperature no greater than about 160.degree. C. and in the presence of a catalytically effective amount of a hydrogenation catalyst, e.g., nickel deposited onto appropriate support substrate therefor.
    Type: Grant
    Filed: December 30, 1992
    Date of Patent: March 22, 1994
    Inventor: Stephane Fouquay
  • Patent number: 5292893
    Abstract: A process is provided for catalytically reducing imines, oximes, hydrazones and related compounds. Moreover, there is provided a process for the catalytic asymmetric reduction of imines, oximes, hydrazones, and the like, using enantiomerically enriched catalysts, to provide chiral amine reaction products which are enriched in one enantiomer. Catalytic asymmetric reduction can also be carried out using an achiral precatalyst in combination with aThe U.S. Government has rights in this invention pursuant to NIH Grant Number GM 34917.
    Type: Grant
    Filed: November 14, 1991
    Date of Patent: March 8, 1994
    Assignee: Massachusetts Institute of Technology
    Inventors: Stephen L. Buchwald, Christopher A. Willoughby
  • Patent number: 5290932
    Abstract: Amines of the general formula I ##STR1## where R.sup.1 and R.sup.2 are each C.sub.1 -C.sub.20 -alkyl, C.sub.3 -C.sub.20 -cycloalkyl, C.sub.4 -C.sub.20 -alkylcycloalkyl, C.sub.4 -C.sub.20 -cycloalkylalkyl, aryl, C.sub.7 -C.sub.20 -alkylaryl, C.sub.7 -C.sub.20 -aralkyl or a heterocyclic radical and n is an integer of from 3 to 7, are prepared by a process in which a ketone of the general formula II ##STR2## where R.sup.1 and R.sup.2 have the abovementioned meanings, is reacted with a cyclic amine of the general formula III ##STR3## where n has the abovementioned meanings, in the presence of a zeolite and/or SiO.sub.2 having a zeolite structure and/or a phosphate and/or a phosphate having a zeolite structure as catalysts at from 50.degree. to 500.degree. C. and from 0.01 to 50 bar.
    Type: Grant
    Filed: October 30, 1992
    Date of Patent: March 1, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Uwe Dingerdissen, Wolfgang Hoelderich
  • Patent number: 5283341
    Abstract: A process for producing a heterocyclic tertiary amine of the formula (III): ##STR1## wherein A is a nitrogen atom or C-R.sup.5, B is a nitrogen atom or C-R.sup.6, is a single bond or a double bond, and each of R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 which may be the same or different, is a hydrogen atom, an acyl group, a halogen atom, a cyano group, etc., provided that two of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 may together form a 3-membered, 4-membered, 5-membered or 6-membered aliphatic ring, a heterocyclic rig or aromatic ring, and R.sup.7 is a C.sub.1-6 alkyl group which may be substituted, etc., which process comprises reacting a heterocyclic secondary amine of the formula (I): ##STR2## wherein A, B, , R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined above, with an alkylating agent of the formula (II):R.sup.7 --X (II)wherein R.sup.7 is as defined above, and X is a hydroxyl group, a halogen atom, a OSO.sub.3 R.sup.7 group, a OSO.sub.2 R.sup.7 group, a OCO.sub.2 R.sup.7 group, a OCOR.
    Type: Grant
    Filed: May 8, 1992
    Date of Patent: February 1, 1994
    Assignee: Nissan Chemical Industries Ltd.
    Inventors: Norio Tanaka, Masataka Hatanaka, Yoshihisa Watanabe
  • Patent number: 5264032
    Abstract: Pigment preparation essentially comprisinga) at least one pigment from the class of azo, anthrapyrimidine, anthanthrone, quinacridone, perinone, diketopyrrolopyrrole, dioxazine, flavanthrone, indanthrone, isoindolinone, isoviolanthrone, perylene, phthalocyanine, pyranthrone or thioindigo pigments or a mixture of pigments belonging to various classes, andb) at least one dispersant of the formula (I) ##STR1## in which P, independently of the pigments mentioned in a), is a radical of an anthanthrone azo, quinacridone, perinone, diketopyrrolopyrrole, dioxazine, indanthrone, perylene, phthalocyanine or thioindigo pigment,R.sup.1 and R.sup.2, independently of one another, are hydrogen, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.
    Type: Grant
    Filed: October 21, 1992
    Date of Patent: November 23, 1993
    Assignee: Hoechst AG
    Inventors: Erwin Dietz, Manfred Urban
  • Patent number: 5254696
    Abstract: Novel pyrrolidine derivatives of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 have the meaning specified in the description,X represents hydrogen, fluorine, chlorine, bromine or optionally substituted C.sub.1 -C.sub.4 -alkyl, and m represents 1, 2 or 3.
    Type: Grant
    Filed: July 21, 1992
    Date of Patent: October 19, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Negele, Bernd Baasner, Heinz-Jurgen Bertram, Jurgen Hartwig
  • Patent number: 5218116
    Abstract: Procedure for the preparation of nitroxyl radicals of sterically hindered amines, consisting of the reaction of amines with hydrogen peroxide in the presence of a titanium containing catalyst, particularly in the presence of titanium silicalites.The catalyst can be recovered at the end of the reaction and recycled.
    Type: Grant
    Filed: November 29, 1991
    Date of Patent: June 8, 1993
    Assignee: Enichem Synthesis S.p.A.
    Inventors: Carlo Neri, Silvestro Costanzi, Rosa M. Riva, Mariangela Angaroni
  • Patent number: 5169432
    Abstract: Substituted pyridines having at the 3 or 5 position a carbonyl oxy(thio)ester or a heterocyclocarbonyl and at the other a substituted alkyl group, herbicidal compositions and methods of use thereof.
    Type: Grant
    Filed: May 23, 1991
    Date of Patent: December 8, 1992
    Assignee: Monsanto Company
    Inventors: Susan M. Auinbauh, Len F. Lee, Karey A. Van Sant
  • Patent number: 5145991
    Abstract: Distyrylbiphenyl compounds of formula ##STR1## wherein R.sub.1, R.sub.3, R.sub.6 and R.sub.7 are halogen, hydrogen, C.sub.1 -C.sub.4 alkyl or cyano, and M.sup..sym. is a salt-forming cation, are used as fluorescent whitening agents in solid and, preferably, liquid, detergent compositions. They are distinguished by good white effects and insignificant spotting behavior.
    Type: Grant
    Filed: May 13, 1991
    Date of Patent: September 8, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Kurt Weber, Claude Eckhardt
  • Patent number: 5136053
    Abstract: A method for producing a cyclic alkyleneimine, which comprises reacting a cyclic ether with a compound of the formula NH.sub.2 R wherein R is a hydrogen atom or an alkyl group, in a vapor phase in the presence of a solid acid catalyst, wherein the reaction is conducted under a pressure of at least 0.5 kg/cm.sup.2 G as the total pressure of partial pressures of the reactants and the reaction product.
    Type: Grant
    Filed: March 2, 1990
    Date of Patent: August 4, 1992
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Hitoshi Sugiyama, Tomoyuki Mori
  • Patent number: 5126368
    Abstract: The invention describes the novel compound 6(Z)-8-([2,4,5-cis]-4-o-hydroxyphenyl-2-trifluoromethyl-1,3-dioxan-5-yl)oc tenoic acid of formula I and its pharmaceutically acceptable salts and pharmaceutical compositions, which are of value in treating certain pulmonary and/or vascular disorders. Also described are various processes for the manufacture of the novel compound and intermediates for use therein.
    Type: Grant
    Filed: August 10, 1990
    Date of Patent: June 30, 1992
    Assignee: Imperial Chemical Industries plc
    Inventor: Michael J. Smithers
  • Patent number: 5118674
    Abstract: The invention relates to 3-(N-methyl-N-alkyl)-amino 2-methoxymethylene propan 1-ol derivatives of the formula ##STR1## wherein R stands for an alkyl chain, A stands for: ##STR2## and Y represents various quaternary ammonia, to a preparation process of said compounds and to therapeutic compositions containing the same.
    Type: Grant
    Filed: November 27, 1990
    Date of Patent: June 2, 1992
    Assignee: Societe de Conseils de Recherches et d'Applications Scientifiques (S.C.R.A.S.)
    Inventors: Pierre Braquet, Colette Broquet, Benedicte Vandamme, Paola Principe-Nicolas
  • Patent number: 5117055
    Abstract: A perfluoroalkyl halogenide represented by the formula: ##STR1## wherein X stands for one element selected from the group consisting of iodine and bromine, R.sub.f for a perfluorohydrocarbon group, n for an integer in the range of 1 to 3, and m for an integer in the range of 1 to 3, provided that n and m satisfy the relationship, n.gtoreq.m, is produced by a method which consists essentially in subjecting a perfluorocarboxylic acid fluoride represented by the formula, ##STR2## wherein R.sub.f and n have the same meanings as defined above, to a thermal reaction with a lithium halogenide represented by XI, wherein X has the same meaning as defined above.
    Type: Grant
    Filed: February 22, 1990
    Date of Patent: May 26, 1992
    Assignees: Agency of Industrial Science and Technology, Ministry of International Trade & Industry
    Inventors: Takashi Abe, Eiji Hayashi, Haruhiko Fukaya
  • Patent number: 5110948
    Abstract: The reaction of a samarium catalyst [.eta..sup.5 --(CH.sub.3).sub.5 C.sub.5 ].sub.2 Sm(THF).sub.2 with amino-olefins provides a straightforward route to a heterocyclic compound. Alternatively, the reaction of olefins with the samarium catalyst in the presence of an amine results in an aminoalkane.
    Type: Grant
    Filed: March 13, 1990
    Date of Patent: May 5, 1992
    Assignee: Northwestern University
    Inventors: Tobin J. Marks, Steven P. Nolan, Michel R. Gagne
  • Patent number: 5086074
    Abstract: Compounds of the formula ##STR1## and pharmaceutically acceptable salt thereof, wherein R.sup.2 is selected from hydroxy and lower alkoxy, R.sup.5 is lower alkyl, and R.sup.11 and R.sup.12 are independently selected from hydrogen, halo, hydroxy, methoxy, and lower alkyl, are selective .alpha..sub.2 adrenergic receptor antagonists useful in the treatment of glaucoma.
    Type: Grant
    Filed: March 26, 1990
    Date of Patent: February 4, 1992
    Assignee: Abbott Laboratories
    Inventors: John F. DeBernardis, Robert E. Zelle, Fatima Z. Basha
  • Patent number: 5001142
    Abstract: Compounds of the formula: ##STR1## pharmaceutical compositions containing the compounds and methods of using the compounds in the treatment of central cholinergic disfunction in a mammal are disclosed.
    Type: Grant
    Filed: July 19, 1989
    Date of Patent: March 19, 1991
    Assignee: American Cyanamid Company
    Inventors: Eugene J. Trybulski, Richard H. Kramss