Chalcogen Attached Indirectly To The Hetero Ring By Nonionic Bonding Patents (Class 549/66)
  • Patent number: 5446173
    Abstract: The present invention provides a cyclic sulfide compound represented by a general formula (I) ##STR1## (where R.sup.1 represents --CH.sub.2 --CH.sub.2 --, --CH.sub.2 --CH.sub.2 --CH.sub.2 --, --CH.sub.2 --O--CH.sub.2 --, --CH.sub.2 --O--, or --CH.sub.2 --S--). Polymerizable compositions for manufacturing optical products with this compound as their main component can be readily molded into plastic lenses which give superhigh refractive indices and high Abbe numbers or those which give high refractive indices and high Abbe number with low sp.grs. in addition thereto. The castings obtained from said polymerizable compositions are useful as plastic lenses for glasses, manifesting optical uniformity and being excellent in processability, transparency, and thermal, impact and light resistance. Further these polymerizable resin compositions are usable preferably as such optical products as prisms, optical fibers, optical disc substrates, color filters, or infrared absorption filters.
    Type: Grant
    Filed: March 23, 1993
    Date of Patent: August 29, 1995
    Assignee: Daiso Co., Ltd.
    Inventors: Hiroyuki Kanesaki, Tetsuyuki Saika, Masafumi Mikami
  • Patent number: 5444086
    Abstract: This invention relates to benzyl and naphthalenylmethyl thiophenones and cyclopentenones, some of which are novel, which have oral antihyperglycemic activity in diabetic mice, a genetic animal model of non-insulin dependent diabetes mellitus. These compounds are represented by the formula ##STR1## wherein: R.sup.2 and R.sup.3 are independently selected from hydrogen, C.sub.1-6 alkyl, halogen, C.sub.1-6 alkoxy, thio-C.sub.1-6 alkyl, or trifluoromethyl or R.sup.2 together with R.sup.3 forms a benzo ring fused to the phenyl ring and optionally substituted with one or two substituents independently selected from C.sub.1-6 alkyl, halogen, C.sub.1-6 alkoxy, thio-C.sub.1-6 alkyl, or trifiuoromethyl;R.sup.1 is selected from hydrogen, C.sub.1-6 alkyl, halogen, C.sub.1-6 alkoxy, thio-C.sub.1-6 alkyl, or trifluoromethyl;andR.sup.4 is selected from the group consisting of: ##STR2## wherein R.sup.5 is H or C.sub.1-6 alkyl or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: August 22, 1995
    Assignee: American Home Products Corporation
    Inventor: Michael S. Malamas
  • Patent number: 5434151
    Abstract: 2,5-Diaryl tetrahydrofurans, 2,5-diaryl tetrahydrothiophenes, 2,4-diaryl tetrahydrofurans, 2,4-diaryl tetrahydrothiophenes, 1,3-diaryl cyclopentanes, 2,4-diaryl pyrrolidines, and 2,5-diaryl pyrrolidines are disclosed that reduce the chemotaxis and respiratory burst leading to the formation of damaging oxygen radicals of polymorphonuclear leukocytes during an inflammatory or immune response. The compounds exhibit this biological activity by acting as PAF receptor antagonists, by inhibiting the enzyme 5-lipoxygenase, or by exhibiting dual activity, i.e., by acting as both a PAF receptor antagonist and inhibitor of 5-lipoxygenase.A method to treat disorders mediated by PAF or leukotrienes is also disclosed, that includes administering an effective amount of one or more of the above-identified compounds or a pharmaceutically acceptable salt thereof, optionally in a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: August 24, 1992
    Date of Patent: July 18, 1995
    Assignee: CytoMed, Inc.
    Inventors: Xiong Cai, Sajjat Hussoin, San-Bao Hwang, David Killian, T. Y. Shen
  • Patent number: 5420159
    Abstract: All possible stereoisomeric forms and mixtures thereof of a compound of the formula ##STR1## wherein X is selected from the group consisting of hydrogen, alkyl, alkenyl and alkynyl of up to 4 carbon atoms, --CN and aralkynyl of up to 10 carbon atoms, Y is selected from the group consisting of halogen, --CH.sub.2 F, --CHF.sub.2, and --CF.sub.3, A is selected from the group consisting of ##STR2## having pesticidal properties.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: May 30, 1995
    Assignee: Roussel-Uclaf
    Inventors: Didier Babin, Marc Benoit, Jean-Pierre Demoute
  • Patent number: 5399585
    Abstract: Novel carboxamides and sulfonamides are described having of the formulaR.sup.1 --A--(W).sub.a --X--(CH.sub.2).sub.b --(Y).sub.c --B--Z--COOR(I),in which R.sup.1, A, W, X, Y, B, Z, R, a, b and c are as provided in the description. These compounds are useful in the treatment of thromboses, apoplexy, myocardial infarct, inflammations, arteriosclerosis as well as in the treatment and prevention of tumors. These novel compounds are prepared by eliminating the protective groups in corresponding compounds with protected amidino or guanidino groups.
    Type: Grant
    Filed: August 30, 1993
    Date of Patent: March 21, 1995
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Leo Alig, Albrecht Edenhofer, Marcel Muller, Arnold Trzeciak, Thomas Weller
  • Patent number: 5393764
    Abstract: The compounds of the present invention comprise substituted phenolic thioethers represented by the formula ##STR1## wherein: R.sup.1 and R.sup.2 are the same or different and independently represent tert-alkyl or phenyl; R.sup.3 represents hydrogen or alkyl; X represents --(CH.sub.2).sub.w --B--(CH.sub.2).sub.y -- wherein B represents O, S, or CH.sub.2 and w and y can each independently be an integer from 0 to 3 with the proviso that the sum of w+y is equal to or less than 3; A represents O or S(O).sub.n wherein n is 0, 1 or 2; p is an integer from 1 to 4; and R represents alkyl; OH; OR.sup.4 wherein R.sup.4 is alkyl of 1 to 4 carbon atoms; NR.sup.5 R.sup.6 wherein R.sup.5 is hydrogen or alkyl and R.sup.6 is hydrogen, alkyl, heterocyclealkyl in which the hetercyclic ring may optionally be substituted; cycloalkyl; substituted cycloalkyl; phenyl; substituted phenyl; phenylalkyl; or substituted phenylalkyl; or NR.sup.5 R.sup.6 together form a heterocyclic ring which may optionally be substituted; or R is (CH.
    Type: Grant
    Filed: August 25, 1993
    Date of Patent: February 28, 1995
    Assignee: G. D. Searle & Co.
    Inventors: Richard A. Mueller, Richard A. Partis
  • Patent number: 5374724
    Abstract: A process for the preparation of a substituted acetic acid of the Formula (2): ##STR1## wherein --X--Z is an optionally substituted aromatic or heteroaromatic optionally substituted amino radical; by reacting a compound of the Formula (7):Z--Y--H Formula 7with glyoxylic acid. The compounds of Formula (2) are useful as intermediates in the preparation of polycyclic dyes.
    Type: Grant
    Filed: November 2, 1992
    Date of Patent: December 20, 1994
    Assignee: Zeneca, Limited
    Inventors: Nigel Hall, Nigel Hughes, Prakash Patel
  • Patent number: 5374644
    Abstract: Compounds of formula: ##STR1## and stereoisomers thereof, wherein X, Y and Z, which are the same or different, are hydrogen, halogen, hydroxy, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted aryl, optionally substituted alkynyl, optionally substituted alkoxy, optionally substituted aryloxy, optionally substituted aralkyl, optionally substituted arylalkoxy, optionally substituted aryloxyalkyl, optionally substituted acyloxy, optionally substituted amino, acylamino, nitro, cyano, --CO.sub.2 R.sup.1, --CONR.sup.2 R.sup.3, or --COR.sup.
    Type: Grant
    Filed: December 31, 1991
    Date of Patent: December 20, 1994
    Assignee: Imperial Chemical Industries PLC
    Inventors: John M. Clough, Christopher R. A. Godfrey, Ian T. Streeting
  • Patent number: 5358938
    Abstract: 2,5-Diaryl tetrahydrofurans, 2,5-diaryl terahydrothiophenes, 2,4-diaryl tetrahydrofurans, 2,4-diaryl tetrahydrothiphenes, 1,3-diaryl cyclopentanes, 2,4-diaryl pyrrolidines, and 2,5-diaryl pyrrolidines are disclosed that reduce the chemotaxis and respiratory burst leading to the formation of damaging oxygen radicals of polymorphonuclear leukocytes during an inflammatory or immune response. The compounds exhibit this biological activity by acting as PAF receptor antagonists, by inhibiting the enzyme 5-lipoxygenase, or by exhibiting dual activity, i.e., by acting as both a PAF receptor antagonist and inhibitor of 5-lipoxygenase.A method to treat disorders mediated by PAF or leukotrienes is also disclosed, that includes administering an effective amount of one or more of the above-identified compounds or a pharmaceutically acceptable salt thereof, optionally in a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: October 25, 1994
    Assignee: CytoMed, Inc.
    Inventors: Xiong Cai, Saijat Hussoin, San-Bao Hwang, David Killian, T. Y. Shen
  • Patent number: 5348978
    Abstract: Angiotensin converting enzyme inhibitors have the formula Z(CH.sub.2).sub.n CHR.sub.1 COOCHR.sub.2 COOHin which Z is --SR.sub.3, --COCHR.sub.4 NHCOR.sub.5, ##STR1## or --NHCHR.sub.7 COOH, R.sub.4, R.sub.5, R.sub.6, and R.sub.7, which may be the same or different, are each phenyl or alkylphenyl C.sub.7-12,R.sub.4 is hydrogen, alkyl C.sub.1-6, NHR.sub.8 or (CH.sub.2).sub.p R.sub.9,R.sub.2 is (CH.sub.2).sub.m XR.sub.10, alkyl C.sub.1-6 optionally substituted by a saturated 5- or 6-membered carbocyclic or heterocyclic ring, alkylhalo C.sub.1-6, alkylcyano C.sub.1-6, or alkyl phenyl C.sub.7-12, the phenyl being optionally substituted by NO.sub.2 or NH.sub.2,X is O, S(O).sub.q, C.dbd.O or NR.sub.11, andR.sub.10 is alkyl C.sub.1-6, alkylhalo C.sub.1-6, alkoxy C.sub.1-6, alkoxy C.sub.1-6 substituted by halogen, alkanoyl C.sub.1-6, S(O).sub.r R.sub.12, NR.sub.13 R.sub.14, phenyl, alkylphenyl C.sub.
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: September 20, 1994
    Assignee: Fisons plc
    Inventors: Andrew J. G. Baxter, Premji Meghani
  • Patent number: 5344843
    Abstract: The invention relates to compounds of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.2 ' X, Y, Z, A, B, Q and n are as described herein. Their pharmaceutically acceptable salts, and when appropriate, enantiomers, racemates, diastereomers or mixtures thereof or geometric isomer or mixtures thereof, and pharmaceutically acceptable salts thereof. The compounds of formula I inhibit enzyme carnitine acyltransferase 1 (CAT-1) and are therefore useful in the prevention of injury to ischemic tissue, and can limit infarct size, improve cardiac function and prevent arrhythmias during and following a myocardial infarction.
    Type: Grant
    Filed: March 13, 1992
    Date of Patent: September 6, 1994
    Assignee: Hoffman-La Roche Inc.
    Inventors: Robert W. Guthrie, John G. Mullin, Jr., David F. Kachensky, Richard W. Kierstead, Jefferson W. Tilley, Guy P. Heathers, Alan J. Higgins, Ronald A. LeMahieu
  • Patent number: 5326884
    Abstract: Intermediates and a stepwise process for the conversion of D-methionine or certain of its derivatives to optically active compounds of the formula ##STR1## wherein R is (C.sub.1 -C.sub.3)alkyl, phenyl or tolyl. The latter compounds are in turn useful as an intermediate in the preparation of penem antibiotic 5R,6S-6-(1R-hydroxyethyl)-2-(1R-oxo-3S-thiolanylthio)-2-penem-3-carboxylic acid and corresponding pharmaceutically acceptable salts and esters.
    Type: Grant
    Filed: April 27, 1990
    Date of Patent: July 5, 1994
    Assignee: Pfizer Inc.
    Inventor: Frank J. Urban
  • Patent number: 5319103
    Abstract: Diastereomeric 5R,6S-6-(1R-hydroxyethyl)-2-(1S-oxo-3R-thiolanylthio)-2-penem-3-carboxylic acid and 5R,6S-6-(1R-hydroxyethyl)-2-(1R-oxo-3S-thiolanylthio)-2-penem-3-carboxylic acid, and pharmaceutically-acceptable salts and in vivo hydrolyzable esters thereof, useful as systemic antibacterial agents; and intermediates and processes which are useful in the said synthesis of said diastereoisomers.
    Type: Grant
    Filed: February 11, 1993
    Date of Patent: June 7, 1994
    Assignee: Pfizer Inc.
    Inventor: Robert A. Volkmann
  • Patent number: 5300655
    Abstract: This invention relates to novel 3-substituted-2-oxindole derivatives which are inhibitors of prostaglandin H.sub.2 synthase, 5-lipoxygenase and interleukin-1 biosynthesis. The compounds of the invention are useful as inhibitors of prostaglandin H.sub.2 synthase and interleukin-1 biosynthesis, per se, and as analgesic, antiinflammatory and antiarthritic agents in the treatment of chronic inflammatory diseases. This invention also relates to pharmaceutical compositions comprising said 3-substituted-2-oxindole derivatives; to methods of inhibiting prostaglandin H.sub.2 synthase and biosynthesis of interleukin-1; and to treating chronic inflammatory diseases in a mammal with said compounds. Further, this invention relates to certain novel carboxylic acids useful as intermediates in the preparation of the 3-substituted-2-oxindole derivatives of this invention and to a process for the preparation of the 3-substituted-2-oxindole derivatives.
    Type: Grant
    Filed: December 16, 1992
    Date of Patent: April 5, 1994
    Assignee: Pfizer Inc.
    Inventors: Frederick J. Ehrgott, Carl J. Goddard, Gary R. Schulte
  • Patent number: 5298658
    Abstract: A photographic element is detailed which provides for improved resolution by decreasing the blue and ultraviolet radiation typically associated with internal scatter and print-through. These and other improvements are provided in a photographic element comprising a support having thereon at least one hydrophilic colloid layer, and a radiation sensitive silver halide emulsion layer present as a portion of the colloid layer or in a separate layer wherein the emulsion contains a dye of the formula: ##STR1## wherein: A=counterion chosen from the set consisting of lithium, sodium, potassium, ammonium and alkylammonium andZ is a linking group.
    Type: Grant
    Filed: December 20, 1991
    Date of Patent: March 29, 1994
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Dietrich M. Fabricius
  • Patent number: 5290953
    Abstract: A process for producing sulfolane compounds is provided which comprises: (1) contacting a conjugated diene with sulfur dioxide under conditions sufficient to synthesize a sulfolene compound whereby a mixture of the sulfolene compound and impurities comprising unreacted sulfur dioxide is produced; (2) transferring the mixture, at a temperature in the range of about 55.degree. C. to about 85.degree. C., to an impurities removal reactor containing a solvent; (3) removing the impurities under an elevated pressure to produce an impurities-reduced sulfolene compound; (4) transferring the impurities-reduced sulfolene compound to a hydrogenation reactor; (5) contacting said impurities-reduced sulfolene compound with hydrogen, in the presence of a hydrogenation catalyst, under conditions sufficient to produce a sulfolane compound; and (6) optionally recovering said sulfolane compound.
    Type: Grant
    Filed: April 16, 1993
    Date of Patent: March 1, 1994
    Assignee: Phillips Petroleum Company
    Inventors: Earl Clark, Jr., Jimmie J. Straw
  • Patent number: 5288750
    Type: Grant
    Filed: January 31, 1991
    Date of Patent: February 22, 1994
    Assignee: Orion-yhtyma Oy
    Inventors: Pentti Pohto, Paivi A. Aho, Reijo J. Backstrom, Erkki J. Honkanen, Inge-Britt Y. Linden, Erkki A. O. Nissinen
  • Patent number: 5278333
    Abstract: A process for the .alpha.-monoalkylation of arylacetonitriles, arylacetoesters and arylacetic acids with dialkyl carbonates in liquid phase, in the presence of bases at temperatures ranging from about 100.degree. C. to about 270.degree. C.
    Type: Grant
    Filed: July 30, 1992
    Date of Patent: January 11, 1994
    Assignee: Tessenderlo Chemie N.V.
    Inventors: Pierre C. Loosen, Pietro Tundo, Maurizio Selva
  • Patent number: 5272163
    Abstract: Amides having formula I: ##STR1## wherein E, X, R.sup.2 and R.sup.3 have the meanings given in the specification, and pharmaceutically acceptable salts and pharmaceutically acceptable in vivo hydrolysable esters thereof, which are useful in the treatment of urinary incontinence. Further provided are processes for preparing the amides and pharmaceutical compositions containing them.
    Type: Grant
    Filed: July 23, 1992
    Date of Patent: December 21, 1993
    Assignees: Imperial Chemical Industries PLC, Imperial Chemical House
    Inventors: Keith Russell, Cyrus J. Ohnmacht, Keith H. Gibson
  • Patent number: 5216002
    Abstract: Provided is a method of treating inflammatory bowel disease in mammals utilizing certain benzyl-substituted rhodanine derivatives. Also provided are novel benzyl-substituted rhodanine derivatives and pharmaceutical compositions thereof, as well as a novel process for selectively isolating in substantially pure enantiomeric form the enantiomers of certain racemic benzyl-substituted rhodanine derivatives.
    Type: Grant
    Filed: December 7, 1990
    Date of Patent: June 1, 1993
    Assignee: Eli Lilly and Company
    Inventors: Jaswant S. Gidda, Jill A. Panetta, Michael L. Phillips
  • Patent number: 5208333
    Abstract: (2R)-1-(Aryloxy)-3-(butyryloxy)-2-propanols of the general formula (I), ##STR1## where Ar is a monocyclic or polycyclic aromatic or heteroaromatic radical, and a process for their preparation by the reaction of (2R)-glycidyl butyrate with an aromatic hydroxy compound Ar--OH in the presence of a quaternary ammonium halide.
    Type: Grant
    Filed: December 9, 1988
    Date of Patent: May 4, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Axel Paul, Wolfgang Ladner, Hardo Siegel
  • Patent number: 5208353
    Abstract: This invention relates to a process for preparing epoxy esters, and intermediates prepared by this process, in particular, to a process which produces non-racemic epoxy esters which are of use as intermediates in the preparation of pharmaceutical compounds.
    Type: Grant
    Filed: July 15, 1992
    Date of Patent: May 4, 1993
    Assignee: SmithKline Beecham Corp.
    Inventors: Joseph R. Flisak, Paul G. Gassman, Ivan Lantos, Wilford L. Mendelson
  • Patent number: 5196423
    Abstract: Unsaturated cyclohexylacetic acid derivatives of the formula I ##STR1## where U is.dbd.NOCH.sub.3, .dbd.CHOCH.sub.3, .dbd.CH.sub.2, .dbd.CH--CH.sub.3, .dbd.CH--CH.sub.2 --CH.sub.3, .dbd.N--NH--CH.sub.3 or .dbd.CH--S--CH.sub.3,n is from 0 to 10,A is hydrogen or substituted or unsubstituted alkyl, cycloalkyl, aryl or hetaryl, andX is a single bond when n is 0, and oxygen, sulfur or a single bond when n is not 0, and the plant-compatible acid addition products and base addition products thereof, and fungicides and insecticides containing these compounds.
    Type: Grant
    Filed: June 15, 1992
    Date of Patent: March 23, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Mueller, Hubert Sauter, Eberhard Ammermann, Gisela Lorenz
  • Patent number: 5189165
    Abstract: A process for preparing a compound I ##STR1## with A=t-butyl, aryl andR=alkyl, alkenyl, alkynyl, alkenynyl, cycloalkyl(alkyl), aryl, arylalkyl, alkyl-S-(-O)-arylby reacting a compound III ##STR2## with a compound IV ##STR3## under the conditions of a phase-transfer reaction, is described. The process gives excellent yields and is not associated with the unpleasant odor of mercaptans.
    Type: Grant
    Filed: December 21, 1990
    Date of Patent: February 23, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gerhard Burdinski, Reinhard Kirsch, Hariolf Kottmann
  • Patent number: 5179121
    Abstract: Novel 4-chloro-4,4-difluorothiobutyric acid derivatives of the formula I ##STR1## in which R.sub.1 and R.sub.2 are, independently of one another, hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 halogenoalkyl and R.sub.3 is hydrogen or an organic radical can be employed as pest-control agents. Control of insects and arachnids is possible and preferable.
    Type: Grant
    Filed: August 15, 1991
    Date of Patent: January 12, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Peter Maienfisch, Manfred Boger, Eginhard Steiner
  • Patent number: 5175185
    Abstract: Retinoid like activity is exhibited by compounds of the formula ##STR1## R.sub.1 -R.sub.3 independently are hydrogen, lower alkyl, cycloalkyl or lower alkenyl, A and A.sub.1 independently are hydrogen, lower alkyl, cycloalkyl, lower alkenyl, SR.sub.4 or OR.sub.4 where R.sub.4 is lower alkyl, cycloalkyl or lower alkenyl; Y is selected from a group consisting of thienyl, furyl, pyridazinyl, pyrimidinyl, pyrazinyl, thiazolyl or oxazolyl; E is lower alkenyl, lower alkynyl, lower cycloalkyl, lower branched chain alkyl, or is characterized by the formula (CH.sub.2).sub.n where n is 0-5, and Z is H, OH, OR.sub.5, OCOR.sub.5, --COOH or a pharmaceutically acceptable salt, ester or amide thereof, --CH.sub.2 OH, CH.sub.2 OR.sub.6, CH.sub.2 OCOR.sub.6, or --CHO, CH(OR.sub.7).sub.2, CHOR.sub.8 O, or COR.sub.9, CR.sub.9 (OR.sub.7).sub.2, CR.sub.9 OR.sub.8 O where R.sub.5 is lower alkyl, phenyl or lower alkylphenyl, R.sub.6 is lower alkyl, phenyl or lower alkylphenyl, R.sub.7 is lower alkyl, R.sub.
    Type: Grant
    Filed: March 14, 1991
    Date of Patent: December 29, 1992
    Assignee: Allergan, Inc.
    Inventor: Roshantha A. S. Chandraratna
  • Patent number: 5162553
    Abstract: The present invention provides an industrially valuable method for preparing an optically active 3,4-dihydro-3,4-epoxy-2H-1-benzopyran compound which is useful as a starting material for an optically active benzopyran compound with antihypertensive, coronary blood flow-increasing activities and the like, and also provides a diastereometric ester compound with a 3-halo-4-hydroxy-2H-1-benzopyran compound which is useful as an intermediate for said epoxy compound.
    Type: Grant
    Filed: June 19, 1991
    Date of Patent: November 10, 1992
    Assignee: Yoshitomi Pharmaceutical Industries, Ltd.
    Inventors: Shinro Setoguchi, Mineo Tsuruda, Chiaki Kitami, Tsutomu Yamanaka
  • Patent number: 5145703
    Abstract: The invention relates to new thio-alkanones of the formula ##STR1## in which X represents an oxygen or sulphur atom,R.sub.1 represents hydrogen or a C.sub.1 -C.sub.2 -alkyl group and the broken lines represent a single bond or no bond,to a process for their preparation and their use as flavorings.
    Type: Grant
    Filed: May 16, 1991
    Date of Patent: September 8, 1992
    Assignee: Haarmann & Reimer
    Inventors: Roland Emberger, Matthias Gunter, Rudolf Hopp, Manfred Kopsel, Walter Kuhn, Peter Werkhoff
  • Patent number: 5126461
    Abstract: Process for ring opening compounds of the formula ##STR1## in which R.sup.1 is heteroaryl or aryl, R.sup.2 is a leaving group, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are independently selected from hydrogen, alkyl, aralkyl, aryl, heteroaryl and alkenyl, provided that at least one of the groups R.sup.3 to R.sup.6 is other than hydrogen, by breaking the bond joining the carbon atom attached to R.sup.3 and the carbon atom attached to R.sup.6 in organic solution using silica, giving useful diene or allyl derivatives, certain of which are novel.
    Type: Grant
    Filed: November 14, 1990
    Date of Patent: June 30, 1992
    Assignee: Shell Research Limited
    Inventors: Mark S. Baird, Ian Bruce
  • Patent number: 5102905
    Abstract: The invention concerns heterocyclic nitromethane derivatives of the formula 1 as defined hereinafter (and their non-toxic salts) wherein the heterocyclic moiety Q is thienyl, benzothienyl or dibenzothienyl and may bear a wide variety of optional substituents, together with pharmaceutical compositions containing them. The nitromethane derivatives are inhibitors of the enzyme aldose reductase and are of value in the treatment of certain complications of diabetes and galactosemia.
    Type: Grant
    Filed: April 28, 1989
    Date of Patent: April 7, 1992
    Assignee: Imperial Chemical Industries PLC
    Inventors: Steven P. Brown, Anthony L. Cooper, Jethro L. Longridge, Jeffrey Morris, John Preston
  • Patent number: 5073184
    Abstract: Compounds of formula (I): ##STR1## and stereoisomers thereof, wherein W is R.sup.1 O.sub.2 C--C.dbd.CH--ZR.sup.2, wherein R.sup.1 and R.sup.2, which are the same or different, are alkyl or fluoroalkyl groups, and Z is either an oxygen or sulphur atom; A is an oxygen or sulphur atom, --NR.sup.3 --, or --CR.sup.4 R.sup.5 --; X, Y and Z.sup.
    Type: Grant
    Filed: April 9, 1990
    Date of Patent: December 17, 1991
    Assignee: Imperial Chemical Industries PLC
    Inventors: Vivienne M. Anthony, John M. Clough, Paul deFraine, Christopher R. A. Godfrey, Kevin Beautement
  • Patent number: 5053430
    Abstract: Novel compounds having the general formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined herein. These compounds are useful in the treatment of schizophrenia.
    Type: Grant
    Filed: September 22, 1989
    Date of Patent: October 1, 1991
    Assignee: Boehringer Ingelheim KG
    Inventors: Matthias Grauert, Herbert Merz, Joachim Mierau, Gunter Schingnitz, Claus Schneider
  • Patent number: 5049676
    Abstract: A process for the preparation of optically active esters of 2-chloropropionic acid of the formula: ##STR1## from an optically active lactate of the formula: ##STR2## with inversion of configuration. COOR.sub.1 in formula I and formula II is a hydrolyzable group. The lactate of formula II is brought into contact with SOCl.sub.2, followed by decomposition of the chlorosulfite formed, the process being one in which at least the decomposition stage is carried out in the presence of an ether.
    Type: Grant
    Filed: May 30, 1990
    Date of Patent: September 17, 1991
    Assignee: Rhone-Poulenc Chimie
    Inventors: Pascal Metivier, Harivelo Rajoharisson
  • Patent number: 5032609
    Abstract: The invention relates to compounds of general formula (I) and physiologically acceptable salts and solvates thereof, methods for their preparation and pharmaceutical formulations thereof. ##STR1## wherein Ar represents a substituted phenyl or nitrogen-containing heterocyclic ring;X and Y represent alkylene, alkenylene or alkynylene chains;R.sup.1, R.sup.2 and R.sup.18 each represent hydrogen or alkyl groups; andQ represents an optionally substituted furan or thiophene ring.The compounds of the invention have a stimulant action at .beta..sub.2 -adrenoreceptors and are useful in the treatment of diseases associated with reversible airways obstruction such as asthma and chronic bronchitis.
    Type: Grant
    Filed: December 16, 1988
    Date of Patent: July 16, 1991
    Assignee: Glaxo Group Limited
    Inventors: Ian F. Skidmore, Harry Finch, Alan Naylor, Lawrence H. C. Lunts, Charles Willbe, David Middlemiss
  • Patent number: 5010104
    Abstract: Novel tricyclic compounds having a TXA.sub.2 -antagonizing activity represented by formul (I): ##STR1## which strongly antagonize an action of thromboxane A.sub.2 and are expected to have preventive and therapeutic effects on ischemica diseases, cerebro-vascular diseases, etc.
    Type: Grant
    Filed: June 29, 1989
    Date of Patent: April 23, 1991
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Etsuo Oshima, Hiroyuki Obase, Akira Karasawa, Kazuhiro Kubo, Ichiro Miki, Akio Ishii
  • Patent number: 4997848
    Abstract: Compounds of formula (I): ##STR1## in which: R represents hydrogen, methyl of hydroxy; X represents an alkyl, alkenyl, cycloalkyl, aryl, aralkyl, or heterocyclic group; A represents a single bond, or an alkylene, alkenylene, alkynylene or alkadienylene group; Y represents hydrogen, or an aryl, cycloalkyl or heterocyclic group] have valuable antihypercholesteremic activities and may be used in the treatment of disorders arising from a blood cholesterol imbalance in humans and other animals.
    Type: Grant
    Filed: October 21, 1988
    Date of Patent: March 5, 1991
    Assignee: Sankyo Company, Limited
    Inventors: Masaaki Kurabayashi, Hiroshi Kogen, Hiroshi Kadokawa, Hideshi Kurihara, Kazuo Hasegawa, Masao Kuroda
  • Patent number: 4992559
    Abstract: Thiophene derivatives of the formula ##STR1## wherein R.sup.1 and R.sup.2 are certain specified substituent groups can be homopolymerized or copolymerized to form polymers which are electroconductive. These polymers find many uses, for example, as EMI/RF shielding materials, in electrochromic display systems, as antistatics, as ion and pH sensors, as battery electrode materials etc.
    Type: Grant
    Filed: July 16, 1987
    Date of Patent: February 12, 1991
    Assignee: Cookson Group plc
    Inventors: Poopathy Kathirgamanathan, Martin R. Bryce, David Parker, Nigel R. M. Smith, Andre D. Chissel
  • Patent number: 4988526
    Abstract: New hemimercaptals of the formula ##STR1## in which X represents an oxygen or sulphur atom, a process for their preparation and their use as flavorings have been found.
    Type: Grant
    Filed: September 13, 1989
    Date of Patent: January 29, 1991
    Assignee: Haarmann & Reimer GmbH
    Inventors: Jurgen Bruning, Roland Emberger, Matthias Guntert, Rudolf Hopp, Manfred Kopsel, Theodor Sand, Peter Werkhoff
  • Patent number: 4975451
    Abstract: Compounds of the formula ##STR1## in which Ar is substituted or unsubstituted phenyl, naphthyl, or thienyl; and Ar.sup.1 is 3-phenoxyphenyl, 4-fluoro-3-phenoxyphenyl, 2-methyl[1-1'-biphenyl]-3-yl, or 6-phenoxy-2-pyridyl, exhibit pyrethroid-like insecticidal and acaricidal activity and are relatively nontoxic to fish.
    Type: Grant
    Filed: March 2, 1989
    Date of Patent: December 4, 1990
    Assignee: FMC Corporation
    Inventors: Thomas G. Cullen, Scott McN. Sieburth, Gary A. Meier, John F. Engel, Leslie W. Stratton, Alan W. Fritz
  • Patent number: 4968814
    Abstract: (S)-Alkyl 3-(thien-2-ylthio)butyrate and analogs are intermediates in the synthesis of the chiral (S,S)-5,6-dihydro-4-ethylamino-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfon amide-7,7-dioxide and analogs thereof, topically effective carbonic anhydrase inhibitors useful in the treatment of ocular hypertension and glaucoma.
    Type: Grant
    Filed: April 18, 1990
    Date of Patent: November 6, 1990
    Assignee: Merck & Co., Inc.
    Inventors: Thomas J. Blacklock, Edward J. J. Grabowski, Paul Sohar
  • Patent number: 4968815
    Abstract: (S)-3-(thien-2-ylthio)butyric acid analogs are intermediates in the synthesis of the chiral (S,S)-5,6-dihydro-4-ethylamino-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfon amide-7,7-dioxide and analogs thereof, topically effective carbonic anhydrase inhibitors useful in the treatment of ocular hypertension and glaucoma. They are prepared by condensation of 2-mercaptothiophene and (R)-(+)-.beta.-methyl-.beta.-propiolactone or an analog thereof.
    Type: Grant
    Filed: April 16, 1990
    Date of Patent: November 6, 1990
    Assignee: Merck & Co., Inc.
    Inventors: Thomas J. Blacklock, Ichiro Shinkai
  • Patent number: 4954647
    Abstract: Intermediates and a stepwise process for the conversion of D-methionine or certain of its derivatives to optically active compounds of the formula ##STR1## wherein R is (C.sub.1 -C.sub.3)alkyl, phenyl or tolyl. The latter compounds are in turn useful as an intermediate in the preparation of penem antibiotic 5R,6S-6-(1R-hydroxyethyl)-2-(1R-oxo-3S-thiolanylthio)-2-penem-3-carboxylic acid and corresponding pharmaceutically acceptable salts and esters.
    Type: Grant
    Filed: July 19, 1989
    Date of Patent: September 4, 1990
    Assignee: Pfizer Inc.
    Inventor: Frank J. Urban
  • Patent number: 4943584
    Abstract: Novel (p-phenoxyphenoxy)-methyl-five-membered heeroaromatic radicals of the formula ##STR1## where the substituents have the following meanings: R.sup.1, R.sup.2, R.sup.3 hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.3 -C.sub.10 -cycloalkyl, nitro or cyano,R.sup.4 hydrogen or C.sub.1 -C.sub.4 -alkyl, and a five-membered heteroaromatic ring, and their use for combating pests.
    Type: Grant
    Filed: April 20, 1988
    Date of Patent: July 24, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans Theobald, Christoph Kuenast, Peter Hofmeister, Hans-Juergen Neubauer, Thomas Kuekenhoehner, Wolfgang Krieg, Joachim Leyendecker, Uwe Kardorff
  • Patent number: 4939172
    Abstract: Novel cyclopropane carboxylic acid esters of all possible stereoisomeric forms and mixtures thereof of the formula ##STR1## wherein X is selected from the group consisting of hydrogen, fluorine, chlorine and bromine, R is selected from the group consisting of optionally unsaturated alkyl of 1 to 8 carbon atoms optionally substituted, optionally unsaturated cycloalkyl of 3 to 8 carbon atoms optionally substituted, optionally substituted aryl of 6 to 14 carbon atoms and optionally substituted heterocycle, Z is selected from the group consisting of hydrogen, --CH.sub.3, --CN and --C.tbd.CH and Y is selected from the group consisting of hydrogen, --OH, optionally unsaturated alkyl of 1 to 8 carbon atoms optionally substituted, --CN, --(CH.sub.2).sub.m --OAlk, --(CH.sub.2).sub.m --S--Alk, ##STR2## m is 0,1,2,3 or 4, Alk is alkyl of 1 to 12 carbon atoms, --Si(Alk').sub.3, Alk' is optionally unsaturated alkyl of 1 to 8 carbon atoms optionally substituted, --O--Ar and --(CH.sub.2).sub.
    Type: Grant
    Filed: February 8, 1988
    Date of Patent: July 3, 1990
    Assignee: Roussel Uclaf
    Inventors: Joseph Cadiergue, Jacques Demassey, Jean-Pierre Demoute, Jean Tessier
  • Patent number: 4931568
    Abstract: Thiophene ethers having relatively large side chains can be easily obtained by reacting 2-, 3-, 2,3-, 2,4- or 3,4-C.sub.1 -C.sub.3 -alkoxythiophenes in the presence of an acid catalyst with a compound containing an OH group. The novel thiophene ethers are suitable as monomers for electrically conducting polymers.
    Type: Grant
    Filed: February 9, 1989
    Date of Patent: June 5, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Peter Wegener, Michael Feldhues, Heinz Litterer
  • Patent number: 4921972
    Abstract: Intermediates and a stepwise process for the conversion of an alkyl 4-chloro-3R-hydroxybutyrate to optically active compounds of the formula ##STR1## wherein R is (C.sub.1 -C.sub.3)alkyl, phenyl or tolyl. The latter compounds are in turn useful as an intermediate in the preparation of penem antibiotic 5R,6S-6-(1R-hydroxyethyl)-2-(1R-oxo-3S-thiolanylthio)-2-penem-3-carboxylic acid and corresponding pharmaceutically acceptable salts and esters.
    Type: Grant
    Filed: July 12, 1989
    Date of Patent: May 1, 1990
    Assignee: Pfizer Inc.
    Inventor: Robert A. Volkmann
  • Patent number: 4920110
    Abstract: Propargyl furan- and thiophenecarboxylates of the formulae Ia and Ib ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each hydrogen, chlorine, bromine, nitro, C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.4 -alkenyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.2 -C.sub.4 -haloalkenyl, or phenyl which is unsubstituted or substituted by halogen, C.sub.1 -C.sub.4 -alkyl, or C.sub.1 -C.sub.4 -alkoxy, X is oxygen or sulfur, n is the integer 0 or 1, and, if X is sulfur, R.sup.1, R.sup.2 and R.sup.3 may furthermore be fluorine, cyano, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.2 -C.sub.4 -alkenyloxy or C.sub.2 -C.sub.4 -haloalkenyloxy, processes for their manufacture, and their use for combating pests.
    Type: Grant
    Filed: April 14, 1989
    Date of Patent: April 24, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Jurgen Neubauer, Wolfgang Seppelt, Rainer Burstinghaus, Peter Hofmeister, Christoph Kuenast
  • Patent number: 4913721
    Abstract: Compounds of formula (I): ##STR1## and stereoisomers thereof, wherein V is an oxygen or a sulphur atom; X and Y, which may be the same or different, are hydrogen or halogen atoms, or optionally substituted alkyl, optionally substituted alkenyl, optionally substituted aryl, optionally substituted heteroaryl, optionally substituted alkynyl, haloalkyl, alkoxy, haloalkoxy, optionally substituted aryloxy, optionally substituted arylalkoxy, optionally substituted acyloxy, optionally substituted amino, acylamino, nitro, nitrile, --CO.sub.2 R.sup.3, --CONR.sup.4 R.sup.5, or --COR.sup.6 groups; or the groups X and Y, when they are in adjacent positions on the phenyl ring, may join to form a fused ring, either aromatic or aliphatic, optionally containing one or more heteroatoms; and Z is optionally substituted methylene, optionally substituted amino, oxygen or sulphur and when Z is a substituted methylene group, the substituent may join the 2-position of the phenyl ring to form a non-aromatic fused ring; R.sup.1 and R.
    Type: Grant
    Filed: October 31, 1988
    Date of Patent: April 3, 1990
    Assignee: Imperial Chemical Industries PLC
    Inventors: John M. Clough, Christopher R. A. Godfrey
  • Patent number: 4914190
    Abstract: Disperse dyes of the formula ##STR1## in which X is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen, Y is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 alkoxy, R is hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.2 -C.sub.12 alkenyl or phenyl, or Y and R, together with the nitrogen atom and the two C atoms linking them, form a 5- or 6-ring, B is a straight-chain or branched C.sub.2 -C.sub.6 alkylene radical, Z is a bridge member of the formula ##STR2## or a direct bond and A is a radical of the formula ##STR3## which radicals are unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, halogen or nitro are suitable in particular for dyeing textile material made of polyester fibers.
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: April 3, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Peter Liechti, Angelo Della Casa
  • Patent number: 4914111
    Abstract: Thiophene (or furan)-2-sulfonamides with a 4-benzyl substituent are effective in the treatment of elevated intraocular pressure and glaucoma following topical ocular administration.
    Type: Grant
    Filed: March 23, 1987
    Date of Patent: April 3, 1990
    Assignee: Merck & Co., Inc.
    Inventors: George D. Hartman, Wasyl Halczenko