The -c(=x)- Is Bonded Directly To The Ring Nitrogen Of The Five-membered Hetero Ring (e.g., 1-pyrrolidine Carboxanilides, Etc.) Patents (Class 548/538)
  • Patent number: 5202345
    Abstract: A compound of the formula: ##STR1## wherein R.sup.1 is hydrogen, or C.sub.1 14 C.sub.6 alkyl; n is an integer of from 2 to 3; Z.sup.1 is phenyl, benzyl, or isoxazolyl and each is optionally substituted by a halogen, a methoxy, or a methyl group; Z.sup.2 is hydrogen, C.sub.1 -C.sub.5 alkyl, allyl, unsubstituted phenyl, or phenyl substituted by halogen, methyl, or methoxy; orZ.sub.1 and Z.sub.2 are taken together with the adjacent nitrogen atom to form triazolyl, imidazolyl or pyrazolyl; or a pharmaceutically acceptable acid addition salt thereof.
    Type: Grant
    Filed: February 7, 1992
    Date of Patent: April 13, 1993
    Assignee: Shionogi & Co., Ltd.
    Inventors: Hiromu Matsumura, Toshisada Yano, Akira Matsushita, Masami Eigyo
  • Patent number: 5194588
    Abstract: The invention concerns pharmaceutically useful trifluoromethyl ketone substituted di-, tri- and tetra-peptide derivatives of the formulae Ia, Ib, Ic set out hereinafter, and salts thereof, which are inhibitors of human leukocyte elastase. Also described herein are pharmaceutical compositions containing a peptide derivative and processes and intermediates for use in the manufacture of the peptide derivatives.
    Type: Grant
    Filed: March 9, 1990
    Date of Patent: March 16, 1993
    Assignee: ICI Americas Inc.
    Inventors: Philip D. Edwards, John A. Schwartz, Mark M. Stein, Diane A. Trainor, Richard A. Wildonger
  • Patent number: 5190999
    Abstract: Compositions comprising an organic material liable to oxidative, thermal and/or actinic degradation and at least one compound of the formula I ##STR1## are described in which n is 1-6, R, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are preferably hydrogen and A is a monovalent radical or polyvalent linking moiety.Some of the compounds of the formula I are novel. They are particularly suitable for the stabilization of lubricating oils, metal processing fluids and hydraulic fluids, and of thermoplastics and elastomers.
    Type: Grant
    Filed: June 24, 1991
    Date of Patent: March 2, 1993
    Assignee: Ciba-Geigy Corporation
    Inventor: Peter Nesvadba
  • Patent number: 5169954
    Abstract: Process for the N-alkylation of ureas by reacting a urea with an alkylating agent in the presence of a solid base and a phase transfer catalyst in a diluent.
    Type: Grant
    Filed: December 16, 1991
    Date of Patent: December 8, 1992
    Assignee: Chemie Linz Gesellschaft m.b.H.
    Inventors: Kurt A. Hackl, Heinz Falk
  • Patent number: 5166153
    Abstract: Novel N-acylated 2-[4-(halophenoxy)-phenoxy]-ethylcarbamic acid esters of formula I ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.8 alkyl or C.sub.3 -C.sub.5 alkenyl,R.sub.2 is C.sub.1 -C.sub.8 alkyl, C.sub.1 -C.sub.8 alkoxy, --CO--R.sub.7 or --NR.sub.8 R.sub.9,R.sub.3 and R.sub.4 independently of one another are hydrogen or methyl,R.sub.5 is chlorine or fluorine,R.sub.6 is either the same substituent as R.sub.5 or is hydrogen,R.sub.7 is C.sub.1 -C.sub.8 alkoxy or --NR.sub.10 R.sub.11,R.sub.8 is C.sub.1 -C.sub.4 alkyl,R.sub.9 is C.sub.1 -C.sub.4 alkyl orR.sub.8 and R.sub.9 together form a C.sub.4 -C.sub.6 alkylene chain which may be interrupted by oxygen, sulfur or --NCH.sub.3 --,R.sub.10 is hydrogen or C.sub.1 -C.sub.4 alkyl andR.sub.11 is hydrogen or C.sub.1 -C.sub.4 alkyl, benzyl, phenyl, or phenyl substituted by halogen or by methyl, orR.sub.10 and R.sub.11 together form a C.sub.4 -C.sub.6 alkylene chain which may be interrupted by oxygen, sulfur or --NCH.sub.
    Type: Grant
    Filed: April 24, 1990
    Date of Patent: November 24, 1992
    Assignee: Ciba-Geigy Corporation
    Inventor: Friedrich Karrer
  • Patent number: 5153316
    Abstract: The present invention relates to novel phenylimidazolone compounds of the formula ##STR1## wherein A is a bond or C.dbd.T;R is --H, Alk, halo-Alk, cyano-Alk, or phenyl;R.sup.1 is --H, Alk, halogen, halo-Alk, --CN; or when A is a bond, R and R.sup.1 may together form a saturated, partially saturated, or unsaturated three to seven member carbon ring, and the ring may be substituted at any position independently with one or more Alk, --O--Alk, --CN, halogen, --OH, or .dbd.O groups;T is O or S;U is --H;V is --OH, or U and V may together form a bond;W is halogen or --CN, and when W is halogen, R.sup.1 is --CN;X is --H or halogen;Y is --H, halogen, --CN, Alk, --CF.sub.3, or --OCF.sub.3 ;Z is --H, halogen, --OH, Alk, aryloxy, C.sub.1-6 acyl, --NH.sub.2, --NO.sub.2, --NR.sup.2 SO.sub.2 R.sup.2, --N(SO.sub.2 R.sup.2).sub.2, --NR.sup.2 COR.sup.
    Type: Grant
    Filed: June 4, 1991
    Date of Patent: October 6, 1992
    Inventors: Gary D. Crouse, Michael P. Lynch, Jeffery D. Webster, John P. Wright
  • Patent number: 5128322
    Abstract: There is provided a novel therapeutic agent for use in the prevention or treatment of hemorrhage associated with acute nonlymphocytic leukemia or its therapy, as well as a method of prevention or treatment of hemorrhage associated with acute nonlymphocytic leukemia or its therapy with the therapeutic agent, and a method of prevention or treatment of hemorrhage associated with acute nonlymphocytic leukemia or its therapy with the therapeutic agent in combination with one or more other agents indicated for the treatment of acute nonlymphocytic leukemia.
    Type: Grant
    Filed: June 25, 1991
    Date of Patent: July 7, 1992
    Assignee: Imperial Chemical Industries plc
    Inventor: Mitchell Glass
  • Patent number: 5124451
    Abstract: Process for the N-alkylation of ureas by reacting a urea with an alkylating agent in the presence of a solid base and a phase transfer catalyst in a diluent.
    Type: Grant
    Filed: July 10, 1991
    Date of Patent: June 23, 1992
    Assignee: Chemie Linz Gesellschaft m.b.H.
    Inventors: Kurt A. Hackl, Heinz Falk
  • Patent number: 5120733
    Abstract: A compound of the formula: ##STR1## (wherein R is phenoxy optionally substituted by a halogen, methoxy, or methyl group, ##STR2## one of A and B is ##STR3## and the other is >CH.sub.2 ;R.sup.1 is hydrogen or C.sub.1 -C.sub.5 alkyl;Z.sup.1 is phenyl, benzyl, or isoxazolyl each optionally substituted by a halogen, methoxy, or methyl group; Z.sup.2 is hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl, or phenyl optionally mono-, di-, or tri-substituted by a halogen, methoxy, or methyl group; or Z.sup.1 and Z.sup.2 taken together with the adjacent nitrogen atom may form 5-membered heterocyclic group; Z.sup.3 is C.sub.1 -C.sub.5 hydroxyalkyl, di(C.sub.1 -C.sub.5 alkyl) sulfamoyl, 6-membered heterocyclic group, phenyl, benzyl, or phenylsulfonyl each phenyl moiety of the last three members being optionally substituted by a halogen, methoxy, or methyl group; Z.sup.
    Type: Grant
    Filed: August 23, 1990
    Date of Patent: June 9, 1992
    Assignee: Shionogi and Co. Ltd.
    Inventors: Hiromu Matsumura, Toshisada Yano, Akira Matsushita, Masami Eigyo
  • Patent number: 5103007
    Abstract: Lipid derivatives represented by the formula: ##STR1## wherein R.sup.1 stands for an optionally substituted higher alkyl group, R.sup.2 stands for an optionally substituted lower alkyl group or an optionally substituted nitrogen-containing heterocyclic group, R.sup.3 stands for a tertiary amino group or a quaternary ammonium group, J stands for oxygen atom or S(O)t (where t deontes 0, 1 or 2), m and n respectively denotes 1 or 2, p denotes 0, 1 or 2, q and r respectively denote an integer of 2 to 5.and salts thereof have antitumor activities including differentiation-inducing activity and are useful as antitumor agents.
    Type: Grant
    Filed: October 27, 1989
    Date of Patent: April 7, 1992
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hiroaki Nomura, Hiroshi Akimoto, Keizo Inoue
  • Patent number: 5099021
    Abstract: Process for the preparation of pure, unsymmetrically disubstituted ureas of the general formula ##STR1## in which R denotes a phenyl radical which is unsubstituted, or monosubstituted or polysubstituted by halogen atoms or alkyl, alkoxy, aryloxy or trifluoromethyl groups, an oxazolyl, isoxazolyl, thiazolyl, isothiazolyl, benzoxazolyl or benzothiazolyl radical which is unsubstituted, or monosubstituted or polysubstituted by halogen atoms or alkyl, alkoxy or trifluoromethyl groups and R.sub.1 and R.sub.2 independently of one another denote a hydrogen atom or an alkyl group, where R.sub.1 and R.sub.2 are not simultaneously hydrogen or R.sub.1 and R.sub.2 together denote a butylene or pentylene group, by reaction of an N-alkyl- or N,N-dialkylurea with an unsubstituted or substituted arylamine or a heterocyclic amine in the presence of that amine which is already present in the starting material, the respective N-alkyl- or N,N-dialkylurea.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: March 24, 1992
    Assignee: Agrolinz Agrarchemikalien Gesellschaft m.b.H.
    Inventors: Rudolf H. Worther, Horst Korntner, Egmont Auer, Kurt Thonhofer
  • Patent number: 5086054
    Abstract: Novel arylcycloalkanepolyalkylamines useful as anti-psychotic, anti-ischemia, anti-stroke, anti-dementia and anti-convulsant agents. These arylcycloalkanepolyalkylamines are selective high-affinity ligands to the sigma binding-sites containing three basic units: arylcycloalkyl group, an amine group and an intermediate chain. Their preparation and use for treatment of psychoses, ischemia, stroke, dementia and convulsions are also disclosed.
    Type: Grant
    Filed: July 31, 1990
    Date of Patent: February 4, 1992
    Assignee: SRI International
    Inventor: Daniel W. Parish
  • Patent number: 5081245
    Abstract: A compound represented by the formula: ##STR1## wherein R represents a hydrogen atom or a lower alkyl group;R.sup.1 represents a higher alkyl group which may be substituted;R.sup.2 represents a hydrogen atom or a lower alkyl group, a lower alkanoyl group or a nitrogen-containing 5- to 7-membered heterocyclic group each of which may be substituted; X represents a divalent group represented by the formula:--(OCH.sub.2 CH.sub.2).sub.p --wherein p represents an integer of 1 to 5, a divalent group represented by the formula:--O(CH.sub.2).sub.q --wherein q represents an integer of 3 to 8, or a divalent group represented by the formula:--(OCH.sub.2 CH.sub.2).sub.p --J--(CH.sub.2).sub.q --wherein J represents an oxygen atom or a group represented by the formula: --S(O).sub.
    Type: Grant
    Filed: August 18, 1989
    Date of Patent: January 14, 1992
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hiroaki Nomura, Hiroshi Akimoto, Eiko Imamiya, Keizo Inoue
  • Patent number: 5079356
    Abstract: Urea derivatives with .alpha.,.beta.-ethylenically unsaturated carboxyl or carboxamide radicals, produced by reaction of ethylenically unsaturated isocyanates with ammonia or amines or by reaction of ethylenically unsaturated amines with isocyanates in the absence of water, optionally in bulk, it being possible to carry out the reaction for improved reaction control advantageously in inert organic solvents or also in so-called reactive diluents, i.e. copolymerizable ethylenically unsaturated monomeric compounds which remain inert under the reaction conditions, such as for example vinyl esters, (meth)acrylates, vinyl aromatics.The urea derivatives produced according to the invention have in their monomeric form slight to moderate or in some cases good solubility in water and/or in organic solvents. They are polymerizable or copolymerizable via their .alpha., .beta.
    Type: Grant
    Filed: July 2, 1990
    Date of Patent: January 7, 1992
    Assignee: Hoechst AG
    Inventor: Hans-Ullrich Huth
  • Patent number: 5055450
    Abstract: The invention concerns pharmaceutically useful trifluoromethyl ketone substituted di-, tri- and tetra-peptide derivatives of the formulae Ia, Ib, Ic set out hereinafter, and salts thereof, which are inhibitors of human leukocyte elastase. Also described herein are pharmaceutical compositions containing a peptide derivative and processes and intermediates for use in the manufacture of the peptide derivatives.
    Type: Grant
    Filed: March 13, 1990
    Date of Patent: October 8, 1991
    Assignee: ICI Americas Inc.
    Inventors: Philip D. Edwards, John A. Schwartz, Mark M. Stein, Diane A. Trainor, Richard A. Wildonger
  • Patent number: 5053504
    Abstract: A process is disclosed for providing benzazepine intermediates of the formulae ##STR1## wherein R.sub.3, R.sub.4 and Y are as defined herein, which intermediates are useful in a process for the preparation of pharmaceutically useful benzazepine derivatives.
    Type: Grant
    Filed: November 29, 1989
    Date of Patent: October 1, 1991
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Wen-Sen Li, John K. Thottathil, Michael Murphy
  • Patent number: 5053515
    Abstract: Hydrophilic modifier monomers of the formula [X--T].sub.z 'G' are disclosed wherein X is a reactive group, G' is a hydrophilic group and T is a divalent linking group, z' being a number up to the available valence of G', excess G' valences being taken up by hydrogen. The monomers of the invention can be used to boost the hydrophilic nature of a wide variety of polymeric materials or be polymerized themselves with varying degrees of copolymerizable monomers. They are particularly suited for making hydrophilic contact lens materials.
    Type: Grant
    Filed: February 5, 1990
    Date of Patent: October 1, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Frank Molock, J. Richard Robertson, Jr., Kai C. Su
  • Patent number: 5043444
    Abstract: Process for the preparation of asymmetrically substituted ureas by reaction of a gaseous mixture of isocyanic acid and ammonia having a temperature of 260.degree. to 600.degree. C. with a primary or secondary amine.
    Type: Grant
    Filed: July 12, 1990
    Date of Patent: August 27, 1991
    Assignee: Chemie Linz Gesellschaft m.b.H.
    Inventors: Martin Mullner, Gerhard Stern, Markus Rossler
  • Patent number: 5034408
    Abstract: Fungicidal cyclopropanoylamino acid amide derivative of the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are identical or different and represent hydrogen or alkyl;Q represents an unsubstituted or substituted straight-chain or branched alkylene chain, or together with the radical R.sup.4 and the nitrogen atom forms a pyrrolidine ring;A represents a straight-chain or branched alkylene chain;n represents the number 0 or 1 andAr represents unsubstituted or substituted aryl.
    Type: Grant
    Filed: April 25, 1990
    Date of Patent: July 23, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Detlef Wollweber, Gerd Hanssler
  • Patent number: 5030738
    Abstract: To synthesize molecules with antiulcer action, specifically ranitidine, niperotidine and cimetidine, having the formula: ##STR1## wherein R.sub.1 is hydrogen or together with R.sub.2 represents the rest of a cycloaliphatic or heterocyclic optionally substituted ring with 5 or 6 carbon atoms, R.sub.2 represents H, alkyl, alkyl substituted with a simple or substituted aromatic ring or with a single or substituted heterocyclic ring, Ar represents a simple or substituted phenyl group, a simple or substituted heterocyclic aromatic group, N=1, 2, 3, 4, 5 or 6 and X represents CH--NO.sub.2, S, N--C.tbd.N, the compound (II) is prepared through the following process sequence: ##STR2## wherein Z=H, NO.sub.2, halogen and R.sub.3 =--(CH.sub.2).sub.n Ar, --(CH.sub.2).sub.n --SH, --(CH.sub.2).sub.n --S--S--(CH.sub.2).sub.n, --(CH.sub.2).sub.n --S--CH.sub.2 Ar Y being halogen.
    Type: Grant
    Filed: May 22, 1990
    Date of Patent: July 9, 1991
    Assignee: Janus Farmaceutici S.r.l.
    Inventor: Alberto Reiner
  • Patent number: 5025005
    Abstract: Novel lipid derivatives of the formula ##STR1## [wherein R.sup.1 is alkyl or alkylcarbamoyl; R.sup.2 is hydrogen, hydroxy which may be substituted, amino which may be substituted or cyclic amino; R.sup.3 is a chemical binding or alkylene which may be substituted; R.sup.4 is hydrogen, alkyl or aralkyl; X and Y are independently O, S or an imino group which may be substituted, and when Y is an imino group, Y, together with the imino group represented by X or R.sup.4, may form a ring; and Z is imino or a nitrogen-containing heterocyclic ring which may be substituted] and salts thereof have inhibiting activity on platelet activating factor and are useful as a preventive or therapeutic agent for a variety of circulatory diseases and allergic disorders and also as an antineoplastic agent.
    Type: Grant
    Filed: July 23, 1990
    Date of Patent: June 18, 1991
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hiroaki Nomura, Kohei Nishikawa, Susumu Tsushima
  • Patent number: 5015762
    Abstract: Aralkylphenylureas of the formula ##STR1## where R.sup.1 and R.sup.2 are hydrogen, alkoxy or unsubstituted or substituted alkyl, cycloalkyl, alkenyl or alkynyl, or R.sup.1 and R.sup.2 together are unsubstituted or substituted alkylene which may or may not be interrupted by oxygen or sulfur, Y is hydrogen, alkyl, halogen, alkoxy or haloalkyl, A is unsubstituted or substituted alkylene, Z is hydrogen, alkyl, haloalkyl, alkoxyalkyl, cycloalkyl, aralkyl, aryl, aryloxy, halogen, a C.sub.4 H.sub.4 chain which is fused to the benzene ring to give a substituted or unsubstituted naphthyl ring, alkoxy, haloalkoxy, alkylthio, thiocyanato, cyano, ##STR2## R' and R" being hydrogen, alkyl, alkoxy, alkylthio, cycloalkyl or unsubstituted or substituted phenyl and n is 1, 2, 3 or 4, and herbicides containing these ureas.
    Type: Grant
    Filed: May 28, 1981
    Date of Patent: May 14, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulrich Schirmer, Wolfgang Rohr, Bruno Wuerzer
  • Patent number: 4978759
    Abstract: The process described makes it possible to obtain optically pure 4-amino-3-hydroxycarboxylic acids by means of a series of stereoselective steps. The starting material is an alpha-amino acid in the L or D configuration, with which Meldrum's acid is reacted. The resulting pyrrolone derivative is reduced prior to opening of the pyrrolidine ring. The invention also relates to the new products obtained by the said process and to the pyrrolone derivatives obtained as intermediates.
    Type: Grant
    Filed: July 2, 1986
    Date of Patent: December 18, 1990
    Assignee: Sanofi, S.A. and Institut National de la Sante et de la Recherche Medicale
    Inventors: Patrick Jouin, Dino Nisato, Bertrand Castro
  • Patent number: 4978754
    Abstract: A process for the preparation of an N-substituted unsaturated carboxylic acid amide represented by the following formula: ##STR1## wherein R.sup.1 means a hydrogen atom or methyl group Y denotes a methylene group, oxygen atom or methylimino group, m and n stand individually for an integer of 0 to 5, and m+n is an integer of 3 to 5. The process comprises reacting a specified .beta.-alkoxy-substituted carboxylate with a specified cyclic amine to form a .beta.-alkoxy-substituted carboxylic acid amide compound and then removing an alcohol from the carboxylic acid amide compound in the presence of a basic catalyst to form an unsaturated group.
    Type: Grant
    Filed: December 12, 1988
    Date of Patent: December 18, 1990
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Akira Ibi, Masanori Kitagawa, Eiichi Sagawa, Koichi Takeuchi, Etsuo Ohkawado
  • Patent number: 4977167
    Abstract: A compound of the formula: ##STR1## (wherein R is phenoxy optionally substituted by a halogen, methoxy, or methyl group, ##STR2## one of A and B is ##STR3## and the other is >CH.sub.2 : R.sup.1 is hydrogen or C.sub.1 -C.sub.5 alkyl; Z.sup.1 is phenyl, benzyl, or isoxazolyl each optionally substituted by a halogen, methoxy, or methyl group; Z.sup.2 is hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl, or phenyl optionally mono-, di-, or tri-substituted by a halogen, methoxy, or methyl group; or Z.sup.1 and Z.sup.2 taken together with the adjacent nitrogen atom may form 5-membered heterocyclic group; Z.sup.3 is C.sub.1 -C.sub.5 hydroxyalkyl, di(C.sub.1 -C.sub.5 alkyl)sulfamoyl, 6-membered heterocyclic group, phenyl, benzyl, or phenylsulfonyl each phenyl moiety of the last three members being optionally substituted by a halogen, methoxy, or methyl group; Z.sup.
    Type: Grant
    Filed: August 17, 1988
    Date of Patent: December 11, 1990
    Assignee: Shionogi & Co., Ltd.
    Inventors: Hiromu Matsumura, Toshisada Yano, Akira Matsushita, Masami Eigyo
  • Patent number: 4968341
    Abstract: Novel substituted aryloxyureas, processes for their production, and herbicides comprising them as active ingredients are provided.The substituted aryloxyureas exhibit an excellent herbicidal efficacy against weeds when applied, for example, to the weeds in a wide range of period from a preemergence stage to a growth stage.The substituted aryloxyureas of the invention have the excellent advantage of maintaining high safety on crops or crop plants in spite of their herbicidal efficacy.
    Type: Grant
    Filed: August 16, 1988
    Date of Patent: November 6, 1990
    Assignees: Kumiai Chemical Industry Co., Mitsui Petrochemical Industries, Ltd.
    Inventors: Isao Hashimoto, Tatsuyodihi Ishida, Kazutaka Tsuru, Yuji Yamada, Takeshige Miyazawa, Yasuo Nakamura, Susumu Katou, Katsuya Takahashi
  • Patent number: 4966914
    Abstract: In accordance with the present invention, disclosed herein are compounds of the formula ##STR1## wherein R is hydrogen, straight or branched loweralkyl, cycloalkyl, amino, loweralkoxy or acylamino, and R.sub.1 is straight or branched loweralkyl, amino, cyclohexyl phenyl or phenyl substituted with loweralkyl, loweralkoxy or halo, benzyl, morpholino, piperidino, tetrahydrofuranyl, dihydrofuranyl, furanyl, tetrahydropyranyl, dioxolanyl, 2,2-dimethyl dioxolanyl, dioxanyl, pyrrolidinyl, tetrahydrooxazolyl, and dihydrooxazolyl, R.sub.2 is hydrogen or --COR.sub.3 wherein R.sub.3 is straight or branched loweralkyl, provided, however, when R.sub.1 is loweralkyl or cyclohexyl, R.sub.2 is not hydrogen, and pharmaceutically acceptable salts thereof. The compounds are useful in the treatment of glaucoma.
    Type: Grant
    Filed: December 15, 1988
    Date of Patent: October 30, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Ghanshyam Patil, William L. Matier, Khuong H. X. Mai
  • Patent number: 4935422
    Abstract: Compounds of the present invention, are represented by the general formula ##STR1## wherein R represents a straight or branched loweralkyl from 1 to about 6 carbon atoms, loweralkene from 2 to about 6 carbon atoms, or ##STR2## where m is o or 1 and n is 2, 3, 4, or 5 provided that when m is o, n is 2, 3, 4, or 5 and when m is 1, n is 3 or 4, and R.sub.1 is hydrogen, a straight, branched or cyclic loweralky from 1 to about 6 carbon atoms or loweralkoxy, phenyl or substituted phenyl, and R.sub.2 represents a straight or branched loweralkyl from 1 to about 6 carbon atoms or W-B wherein W represents alkylene of from 1 to about 10 carbon atoms which may be substituted with loweralkyl of from 1 to about 4 carbon atoms; and B represents hydrogen, --NHCOR.sub.4, or --NHCONR.sub.3 R.sub.4, wherein R.sub.3 and R.sub.
    Type: Grant
    Filed: December 15, 1988
    Date of Patent: June 19, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Ghanshyam Patil, Khuong H. X. Mai
  • Patent number: 4923890
    Abstract: The invention relates to selected difluoro compounds of formulae Ia, Ib and Ic (set out hereinafter) which are useful as inhibitors of human leukocyte elastase.
    Type: Grant
    Filed: May 19, 1987
    Date of Patent: May 8, 1990
    Assignee: ICI Americas Inc.
    Inventors: Diane A. Trainor, Mark M. Stein
  • Patent number: 4920116
    Abstract: N-(aminoalkyl)-substituted(N or C alkyl)-aryl-4-(methylsylfonylamino)benzamides of the formula ##STR1## wherein R is C.sub.1 -C.sub.4 straight chain alkyl, one of R.sub.1, R.sub.2 and R.sub.3 is a phenyl or naphthyl group and the others are hydrogen, --NR.sub.4 R.sub.5 is a secondary or teritary amino group, X and X.sub.1 are hydrogen or alkyl and n is 0 or 1, are useful as antiarrhythmic agents in the treatment of cardiac arrhythmias especially as combination Class I/Class III agents.
    Type: Grant
    Filed: December 13, 1988
    Date of Patent: April 24, 1990
    Assignee: Schering A.G.
    Inventors: Thomas K. Morgan, Jr., Klaus Nickisch
  • Patent number: 4912127
    Abstract: The invention rleates to pyrrolidine derivatives of the general formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the meaning indicated in the description; X denotes oxygen, imino or N-alkylimino; m is 0-5; n is 0-2 and s is 0 or 1; a process for their preparation, agents containing them, and their use.
    Type: Grant
    Filed: April 8, 1988
    Date of Patent: March 27, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rainer Henning, Franz Hock, Hansjorj Urbach
  • Patent number: 4912128
    Abstract: Novel pyrrolidine-2-(1,3-dicarbonyl) derivatives, a process for their preparation, agents containing them, and their useThe invention relates to pyrrolidine derivatives of the general formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the meaning specified in the description, X denotes oxygen, imino or alkylimino,m is 0-5, n is 0-2 and s is 0 or 1, a process for their preparation, agents containing them, and their use.
    Type: Grant
    Filed: April 8, 1988
    Date of Patent: March 27, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rainer Henning, Franz Hock, Hansjorg Urbach
  • Patent number: 4910190
    Abstract: The invention concerns pharmaceutically useful trifluoromethyl ketone substituted di-, tri- and tetra-peptide derivatives of the formulae Ia, Ib, Ic set out hereinafter, and salts thereof, which are inhibitors of human leukocyte elastase. Also described herein are pharmaceutical compositions containing a peptide derivative and processes and intermediates for use in the manufacture of the peptide derivatives.
    Type: Grant
    Filed: January 20, 1987
    Date of Patent: March 20, 1990
    Assignee: ICI Americas Inc.
    Inventors: Scott H. Bergeson, Philip D. Edwards, John A. Schwartz, Andrew Shaw, Mark M. Stein, Diane A. Trainor, Richard A. Wildonger, Donald J. Wolanin
  • Patent number: 4897417
    Abstract: In accordance with the present invention, disclosed herein are compounds of the formula ##STR1## wherein R is straight or branched loweralkyl, R.sub.1 is hydrogen, straight or branched loweralkyl, lowercycloalkyl, amino, loweralkoxy or acylamino, and R.sub.2 is straight or branched loweralkyl, amino, cyclohexyl, morpholino, piperidino, tetrahydrofuranyl, dihydrofuranyl, tetrahydropyranyl, dioxolanyl, 2,2-dimethyl dioxolanyl, dioxanyl, pyrrolidinyl, tetrahydrooxazolyl, and dihydrooxazolyl, and pharmaceutically acceptable salts thereof. The compounds are useful in the treatment of glaucoma.
    Type: Grant
    Filed: December 15, 1988
    Date of Patent: January 30, 1990
    Assignee: E. I. Du Pont de Nemours & Co.
    Inventors: Ghanshyam Patil, William L. Matier, Khuong H. X. Mai
  • Patent number: 4872902
    Abstract: The invention relates to the novel cyclohexanediones of formula I ##STR1## in which R is hydrogen or C.sub.1 -C.sub.6 -alkyl,A is R.sub.2, OR.sub.3 or NR.sub.3 R.sub.4,R.sub.2 is C.sub.1 -C.sub.6 -alkyl that is unsubstituted or is mono-substituted by C.sub.1 -C.sub.4 -alkoxy or mono- or poly-substituted by halogen, or is C.sub.3 -C.sub.6 -cycloalkyl,R.sub.3 is C.sub.1 -C.sub.6 -alkyl or C.sub.3 -C.sub.6 -cycloalkyl, or is phenyl or benzyl each of which is unsubstituted or is mono-, di- or tri-substituted by R.sub.5,R.sub.4 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.3 -C.sub.6 -cycloalkyl,R.sub.3 and R.sub.4 are, in addition, together with the nitrogen atom to which they are bonded, a pyrrolidine, morpholine or piperidine radical,B is one of the radicals ##STR2## m is 0, 1, 2 or 3, R.sub.5 is halogen, nitro, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkylsulphinyl or C.sub.1 -C.sub.
    Type: Grant
    Filed: February 8, 1988
    Date of Patent: October 10, 1989
    Assignee: Ciba-Geigy Corporation
    Inventor: Hans-Georg Brunner
  • Patent number: 4871858
    Abstract: An amine is reached with dimethyformamioe in the presence of a solid catalyst to produce a formamide corresponding to the amine. The solid catalyst includes an oxide of metals belonging to Groups III, IV and V of the Periodic Table.
    Type: Grant
    Filed: December 7, 1987
    Date of Patent: October 3, 1989
    Assignee: Japan Tobacco Inc.
    Inventors: Hajime Matsushita, Makoto Shibagaki, Kyoko Takahashi
  • Patent number: 4826996
    Abstract: The invention concerns 1,8-dihydroxy-9-anthrones substituted in the 10-position of the formula: ##STR1## in which R.sub.1 represents a group taken from the set constituted by: ##STR2## wherein R.sub.2 represents H, C.sub.1-8 alkyl, C.sub.1-3 mono- or poly-hydroxyalkyl, carbamoyl or phenyl,R.sub.3, R.sub.4, and R.sub.5 represent H, C.sub.1-8 alkyl, C.sub.3-8 mono- or poly-hydroxyalkyl, possibly interrupted by an oxygen, C.sub.3-6 cycloalkyl, or R.sub.3 and R.sub.4 form a divalent group: --(CH.sub.2).sub.(4 or 5) --, --(CH.sub.2).sub.2 --O--(CH.sub.2).sub.2 --, or --(CH.sub.2).sub.2 --N(R.sub.8)--(CH.sub.2).sub.2 --, R.sub.8 being H, --CH.sub.3, or --CH.sub.2 CH.sub.2 OH,R.sub.6 represents --CO.sub.2 R.sub.5, --CN, CHO, --CONH.sub.2, or --CONH--CH.sub.2 OH,and R.sub.7 and R'.sub.7 are H or --CH.sub.3, and their optical isomers.Utilization of the compounds (I) in human or veterinary medicine, in particular in the treatment of psoriasis and of warts, in cosmetics.
    Type: Grant
    Filed: December 9, 1985
    Date of Patent: May 2, 1989
    Assignee: Groupement d'Interet Economique dit Centre International De Recherches Dermatologioues C.I.R.D.
    Inventors: Braham Shroot, Jean Maignan, Gerard Lang
  • Patent number: 4820691
    Abstract: Compounds of the formula ##STR1## are disclosed. These compounds interevene in the conversion of angiotensin to angiotensin II by inhibiting renin and thus are useful as anti-hypertensive agents.
    Type: Grant
    Filed: June 24, 1987
    Date of Patent: April 11, 1989
    Assignee: E. R. Squibb & Sons, Inc.
    Inventor: Dinesh V. Patel
  • Patent number: 4812452
    Abstract: Novel 1-[(aminoalkyl and aminoalkylamino)carbonyl and thiocarbonyl]-.alpha.,.alpha.-diaryl-pyrrolidine, piperidine and homopiperidineacetamides and acetonitriles having the formula: ##STR1## wherein; n is zero, one or two;X is oxygen or sulfur;Z is ##STR2## or --(CH.sub.2); p is 0 to 5 inclusive with the proviso that when Z is ##STR3## p is at least one; Y is aminocarbonyl or cyano;Ar.sup.1 and Ar.sup.2 are 2, 3 or 4-pyrido, phenyl or substituted phenyl;R is hydrogen or loweralkyl;R.sup.1, R.sup.2 and R.sup.3 are hydrogen, cycloalkyl, loweralkyl, phenyl, substituted phenyl, phenylloweralkyl, and R.sup.2 and R.sup.3 taken with the adjacent nitrogen may form a heterocyclic residue, and diastereoisomers when possible and pharmaceutical salts; and the method and pharmaceutical compositions for treating cardiac arrhythmias therewith are disclosed.
    Type: Grant
    Filed: March 27, 1986
    Date of Patent: March 14, 1989
    Assignee: A. H. Robins Company, Incorporated
    Inventors: James R. Shanklin, Jr., James M. Wilkinson, II
  • Patent number: 4810725
    Abstract: 1-Aryloxy-3-(substituted aminoalkylamino)-2-propanols and pharmaceutically acceptable salts thereof have .beta.-adrenergic blocking activity with some cardioselectivity and hence are useful as anti-hypertensive, antianginal, antiarrhythmic and cardioprotective agents and in the treatment of elevated intraocular pressure such as glaucoma.
    Type: Grant
    Filed: October 14, 1986
    Date of Patent: March 7, 1989
    Assignee: Merck & Co., Inc.
    Inventors: John J. Baldwin, Gerald S. Ponticello, Sandor L. Varga
  • Patent number: 4798901
    Abstract: Novel pyrrole derivatives of the formula ##STR1## wherein one of R.sub.2 and R.sub.3 is ##STR2## and the other of R.sub.2 and R.sub.3 as well as R.sub.4 and R.sub.5 are individually selected from the group consisting of hydrogen, halogen, alkyl of 1 to 18 carbon atoms, aryl of 6 to 14 carbon atoms, aralkyl of 7 to 18 carbon atoms, --CN, --CF.sub.3, --NO.sub.2, --COOAlk and Alk is alkyl of 1 to 8 carbon atoms, alkoxy of 1 to 8 carbon atoms, ##STR3## n is 0, 1 or 2, R', R.sub.1 ' and R.sub.2 ' are alkyl of 1 to 8 carbon atoms and R.sub.4 and R.sub.5 taken together with the carbon atoms to which they are attached may form an optionally further unsaturated carbon homocycle of up to 8 carbon atoms, Z is selected from the group consisting of hydrogen, --CN, --C.tbd.CH, --CF.sub.3 and alkyl of 1 to 3 carbon atoms, A is the residue of a pyrethrinoid acid, R.sub.
    Type: Grant
    Filed: December 2, 1987
    Date of Patent: January 17, 1989
    Assignee: Roussel Uclaf
    Inventors: Jean Tessier, Jean-Pierre Demoute, Laurent Taliani
  • Patent number: 4785109
    Abstract: These is described a process for producing sulfonylureas of the formula ##STR1## wherein G is an unsubstituted or substituted furanyl, thienyl, pyrrolyl, pyridinyl or phenyl radical,X is alkyl, haloalkyl, alkoxy, alkylthio, halogen, haloalkoxy, alkylamino or dialkylamino,Y is alkyl, alkoxy or haloalkoxy,Z is a nitrogen atom or the methyne group --CH.dbd..This novel process comprises reacting a sulfonamide of the formulaG--SO.sub.2 --NH.sub.2,in the presence of a base, with a chloroformic acid ester of the formulaCl--CO--Q--T,or a sulfonyl chloride of the formulaG--SO.sub.2 Cl,in the presence of a base, with a urethane of the formulaH.sub.2 N--CO--Q--T;and converting the formed carbamate of the formulaG--SO.sub.2 --NH--CO--Q--Tby reaction with an amine of the formula ##STR2## into the sulfonylurea of the above formula. There are also described novel sulfonylcarbamates of the above formula as intermediates.
    Type: Grant
    Filed: January 30, 1987
    Date of Patent: November 15, 1988
    Assignee: Ciba-Geigy Corporation
    Inventors: Willy Meyer, Werner Fory, Werner Topfl
  • Patent number: 4778914
    Abstract: Herbicidal mixtures comprising (1) a diphenyl ether of the formula: ##STR1## or a salt thereof, wherein R.sup.1 is, for example, alkyl; R.sup.2 is hydrogen, halogen or nitro; R.sup.3 is hydrogen, halogen, alkyl, trifluoromethyl or cyano; R.sup.4 is hydrogen, halogen or trifluoromethyl; R.sup.5 is hydrogen, halogen or trifluoromethyl and R.sup.6 is hydrogen or alkyl of 1 to 6 carbons and (2) another herbicide not of formula (I). Intermediates for preparing the formula (I) compounds and processes for using these compounds are also disclosed.
    Type: Grant
    Filed: February 19, 1986
    Date of Patent: October 18, 1988
    Assignee: Imperial Chemical Industries PLC
    Inventors: David Cartwright, David J. Collins
  • Patent number: 4771061
    Abstract: This disclosure describes certain substituted piperazine-1,4-naphthalenediones useful as anti-asthmatic agents.
    Type: Grant
    Filed: May 6, 1987
    Date of Patent: September 13, 1988
    Assignee: American Cyanamid Company
    Inventors: Jeffrey B. Medwid, Lawrence W. Torley, Andrew S. Tomcufcik
  • Patent number: 4767744
    Abstract: This invention relates to novel substituted tyrosyl alanine dipeptide amides of the formula: ##STR1## and the pharmaceutically acceptable addition salts thereof, wherein R.sup.1 is --OH, --OCH.sub.3 or lower alkoxy of 1-6 carbon atoms; wherein R.sup.2 and R.sup.3 may be the same or different and represent straight or branched chain lower alkyl of 1-6 carbon atoms; wherein R.sup.4, R.sup.5 R.sup.9 may be the same or different and represent hydrogen or straight or branched chain lower alkyl having 1-6 carbon atoms; wherein R.sup.6 represents hydrogen, or straight or branched chain lower alkyl of 1-6 carbon atoms, or R.sup.6 may act together with N.sup.6, C.sup.w and either R.sup.7 R.sup.8 to form a cycloamine of the formula: ##STR2## such that between R.sup.7 and R.sup.8, when one acts to form said cycloamine, the other is hydrogen, or straight or branched chain lower alkyl of 1-6 carbon atoms; wherein when neither R.sup.7 nor R.sup.8 is acting to form said cycloamine, R.sup.7 R.sup.8 act together with C.sup.
    Type: Grant
    Filed: February 13, 1987
    Date of Patent: August 30, 1988
    Assignee: G. D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Daniel R. Pilipauskas, Michael Clare
  • Patent number: 4762821
    Abstract: N',N"-dialkylguanidino dipeptides with angiotension converting enzyme (ACE) inhibiting activity are useful as antihypertensives. Proline and proline analogs are components of the dipeptides.
    Type: Grant
    Filed: September 10, 1986
    Date of Patent: August 9, 1988
    Assignee: Syntex (U.S.A.) Inc.
    Inventor: John J. Nestor
  • Patent number: 4749698
    Abstract: Compounds having the general structure ##STR1## and their pharmaceutically acceptable salts, wherein the substituents are defined herein, which exhibit antihypertensive activity.
    Type: Grant
    Filed: July 8, 1985
    Date of Patent: June 7, 1988
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Edward S. Neiss, John T. Suh, John R. Regan, Jerry W. Skiles, Jeffrey N. Barton, James J. Mencel, Paul Menard
  • Patent number: 4737518
    Abstract: Novel lipid derivatives of the formula ##STR1## [wherein R.sup.1 is alkyl or alkylcarbamoyl; R.sup.2 is hydrogen, hydroxy which may be substituted, amino which may be substituted or cyclic amino; R.sup.3 is a chemical binding or alkylene which may be substituted; R.sup.4 is hydrogen, alkyl or aralkyl; X and Y are independently O, S or an imino group which may be substituted, and when Y is an imino group, Y, together with the imino group represented by X or R.sup.4, may form a ring; and Z is imino or a nitrogen-containing heterocyclic ring which may be substituted] and salts thereof have inhibiting activity on platelet activating factor and are useful as a preventive or therapeutic agent for a variety of circulatory diseases and allergic disorders and also as an antineoplastic agent.
    Type: Grant
    Filed: September 12, 1986
    Date of Patent: April 12, 1988
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hiroaki Nomura, Kohei Nishikawa, Susumu Tsushima, Yoshio Kozai
  • Patent number: 4737513
    Abstract: Novel pyrrole derivatives of the formula ##STR1## wherein one of R.sub.2 and R.sub.3 is ##STR2## and the other of R.sub.2 and R.sub.3 as well as R.sub.4 and R.sub.5 are individually selected from the group consisting of hydrogen, halogen, alkyl of 1 to 18 carbon atoms, aryl of 6 to 14 carbon atoms, aralkyl of 7 to 18 carbon atoms, --CN, --CF.sub.3, --NO.sub.2, --COOAlk and Alk is alkyl of 1 to 8 carbon atoms, alkoxy of 1 to 8 carbon atoms, ##STR3## n is 0, 1 or 2, R', R.sub.1 ' and R.sub.2 ' are alkyl of 1 to 8 carbon atoms and R.sub.4 and R.sub.5 taken together with the carbon atoms to which they are attached may form an optionally further unsaturated carbon homocycle of up to 8 carbon atoms, Z is selected from the group consisting of hydrogen, --CN, --C.tbd.CH, --CF.sub.3 and alkyl of 1 to 3 carbon atoms, A is the residue of a pyrethrinoid acid, R.sub.
    Type: Grant
    Filed: August 13, 1985
    Date of Patent: April 12, 1988
    Assignee: Roussel Uclaf
    Inventors: Jean Tessier, Jean-Pierre Demoute, Laurent Taliani
  • Patent number: 4719221
    Abstract: A class of novel thiosemiarbazones has been found to be active against a number of protozoa which cause serious diseases, mainly in the tropical areas of the world.
    Type: Grant
    Filed: July 27, 1984
    Date of Patent: January 12, 1988
    Assignee: Burroughs Wellcome Co.
    Inventor: Jr. Morrison