Benzene Ring Containing Patents (Class 514/637)
  • Patent number: 5710166
    Abstract: Novel N-Acyl Beta Amino Acid derivatives of the formula ##STR1## are provided which inhibit platelet aggregation. This invention also pertains to pharmaceutical compositions and methods of using such derivatives.
    Type: Grant
    Filed: August 24, 1995
    Date of Patent: January 20, 1998
    Assignee: The Monsanto Company
    Inventors: Foe S. Tjoeng, Mihaly V. Toth
  • Patent number: 5686496
    Abstract: The new compound of formula ##STR1## may be prepared by conventional methods and used therapeutically as an LTB.sub.4 -receptor antagonist.
    Type: Grant
    Filed: March 28, 1997
    Date of Patent: November 11, 1997
    Assignee: Boehringer Ingelheim KG
    Inventors: Ralf Anderskewitz, Kurt Schromm, Ernst-Otto Renth, Franz Birke, Armin Fugner, Hubert Heuer, Christopher Meade
  • Patent number: 5637621
    Abstract: The invention provides fungicidal compounds having the general formula:X.sub.1 -A.sub.1 -B.sub.1 -C-B.sub.2 -A.sub.2 -X.sub.2 (I)wherein X.sub.1 is an amidine, a guanidine, or an imidazole group.A.sub.1 is either a five-membered aromatic ring, a six-membered aromatic ring, a fusion of two five-membered aromatic rings, a fusion of 2 six-membered aromatic rings, or a fusion of a six-membered aromatic ring and a five-membered aromatic ring;B.sub.1 is either O (oxygen) or absent; C is a straight chain alkyl comprising 1-8 carbons; B.sub.2 is either O (oxygen) or absent; A.sub.2 is either a five-membered aromatic ring, a six-membered aromatic ring, a fusion of two five-membered aromatic rings, a fusion of 2 six-membered aromatic rings, or a fusion of a six-membered aromatic ring and a five-membered aromatic ring; and X.sub.2 is an amidine, a guanidine, or an imidazole.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: June 10, 1997
    Assignee: NZYM, Inc.
    Inventors: Joel Bolonick, Terrance J. Leighton, Ida K. Yu
  • Patent number: 5632999
    Abstract: The invention comprises a method of controlling fleas which includes continuously administering to the haircoat of a homeothermic animal an ovicidally effective amount of 2-(1-methyl-2-(4-phenoxyphenoxy)ethoxy)pyridine (pyriproxifen) from a sustained release matrix at a rate of 0.1 mcg/kg/day to 100 mcg/kg/day. The method may also include the use of additional ingredients such as insecticides, plasticizers, lubricants and antioxidants in a sustained release matrix.
    Type: Grant
    Filed: August 18, 1993
    Date of Patent: May 27, 1997
    Assignee: Virbac, Inc.
    Inventor: Thomas A. Miller
  • Patent number: 5629348
    Abstract: The invention provides fungicidal compounds having the general formula:X.sub.1 -A.sub.1 -B.sub.1 -C-B.sub.2 -A.sub.2 -X.sub.2 (I)wherein X.sub.1 is an amidine, a guanidine, or an imidazole group.A.sub.1 is either a five-membered aromatic ring, a six-membered aromatic ring, a fusion of two five-membered aromatic rings, a fusion of 2 six-membered aromatic rings, or a fusion of a six-membered aromatic ring and a five-membered aromatic ring;B.sub.1 is either O (oxygen) or absent; C is a straight chain alkyl comprising 1-8 carbons; B.sub.2 is either O (oxygen) or absent; A.sub.2 is either a five-membered aromatic ring, a six-membered aromatic ring, a fusion of two five-membered aromatic rings, a fusion of 2 six-membered aromatic rings, or a fusion of a six-membered aromatic ring and a five-membered aromatic ring; and X.sub.2 is an amidine, a guanidine, or an imidazole.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: May 13, 1997
    Assignee: NZYM, Inc.
    Inventors: Joel Bolonick, Terrance J. Leighton, Ida K. Yu
  • Patent number: 5552443
    Abstract: N,N'-disubstituted-amidines, e.g., of the formula ##STR1## wherein R, R' and R" are substituted or unsubstituted hydrocarbon and/or heterocyclic groups.Methods are provided for the treatment or prophylaxis of anxiety in an animal for treating psychosis, and for treating hypertension by administering an effective amount of an N,N'-disubstituted amidine which, preferably, has a high affinity for the sigma receptor.
    Type: Grant
    Filed: January 18, 1994
    Date of Patent: September 3, 1996
    Assignees: Oregon Health Sciences University, The University of Oregon
    Inventors: John F. W. Keana, Eckard Weber
  • Patent number: 5527823
    Abstract: A formulation suitable for spraying or for dilution with water to form a sprayable preparation, the formulation comprising an active ingredient, optionally a carrier or solvent for the active ingredient, an emulsifier and an evaporation retardant, characterized in that the formulation satisfies formula ##EQU1## where L is less than or equal to 15, A=700376, B=-1.51, C=0.8472, M.sub.oil is the weighted average relative molar mass of the oil phase M.sub.retardant is the weighted average relative molar mass of the retardant, and X=(M.sub.oil) 1.8/Y, where Y is the molar solubility ration of the formulation, defined as the minimum number of moles of the oil phase which will dissolve the retardant, divided by the number of moles of retardant, provided that, in the formula above, any solvent which has no liquid phase at 27.degree. C. at atmospheric pressure is excluded. The formulation may comprise a pesticide or herbicide. The action of the evaporation retardant is improved.
    Type: Grant
    Filed: February 8, 1994
    Date of Patent: June 18, 1996
    Assignee: Roussel UCLAF
    Inventors: Robert Martin, David A. Jeffries, Denise K. North, John M. Groome, Peter L. Crampton, Andrew J. Huson
  • Patent number: 5462969
    Abstract: The present invention provides methods for treating and preventing the onset of Pneumocytis carinii pneumonia (PCP) comprising administering to a mammal in need of such treatment or prevention an effective amount of a pharmaceutically acceptable iron chelator. This invention also provides a method for treating or preventing the onset of PCP comprising administering to a mammal in need of such treatment or prevention a composition comprising the following components: (a) a pharmaceutically acceptable iron chelator; (b) a compound selected from trimethoprim/sulfamethoxazole and pentamidine; and (c) a pharmaceutically compatible carrier or diluent, wherein the amounts of said component (a) and said component (b) in combination are effective in treating said pneumonia. Also provided is a composition for the treatment or prevention of PCP.
    Type: Grant
    Filed: February 4, 1994
    Date of Patent: October 31, 1995
    Assignee: New York University
    Inventors: Allen B. Clarkson, Jr., Robert W. Grady
  • Patent number: 5366726
    Abstract: A method of preventing clinically manifest Pneumocystis carinii pneumonia in immunocompromised humans is provided wherein an aerosol of pentamidine is administered to the patient in a manner which delivers the aerosol to the patient's alveoli. Also provided is a method of treating Pneumocystis carinii pneumonia in HIV seropositive individuals comprising administering a therapeutically effective amount of pentamidine aerosol to the HIV positive individual through inhalation. In addition, a method is provided of administering pentamidine to a human comprising aerosolizing a pentamidine solution in a nebulizer system having a one-way valve disposed between the nebulizer and the mouthpiece of the nebulizer system.
    Type: Grant
    Filed: July 23, 1992
    Date of Patent: November 22, 1994
    Assignee: The Regents of the University of California
    Inventors: Robert J. Debs, Alan B. Montgomery, John E. Conte, Jeffrey A. Golden
  • Patent number: 5364868
    Abstract: Amino-substituted benzoylguanidines, process for their preparation, their use as a medicament and medicament containing themBenzoylguanidines of the formula I ##STR1## are described in which R(1) or R(2) is an amino group --NR(3)R(4), where R(3) and R(4) are H or (cyclo)alkyl or R(3) is phenyl-(CH.sub.2).sub.p -- where p=0, 1, 2, 3 or 4, or phenyl, or R(3) and R(4) can also together be a methylene chain, and in which the other substituent R(1) or R(2) in each case is H, F, Cl, alkyl, alkoxy, CF.sub.3, C.sub.m F.sub.2m+1 --CH.sub.2 --, benzyl or phenoxy, and their pharmaceutically tolerable salts.The compounds according to the invention have very good antiarrhythmic properties, as occur, for example, in the case of oxygen deficiency symptoms.
    Type: Grant
    Filed: February 11, 1993
    Date of Patent: November 15, 1994
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinrich Englert, Dieter Mania, Hans-Jochen Lang, Wolfgang Scholz, Wolfgang Linz, Udo Albus
  • Patent number: 5364615
    Abstract: A method of preventing clinically manifest Pneumocystis carinii pneumonia in immunocompromised humans is provided wherein an aerosol of pentamidine is administered to the patient in a manner which delivers the aerosol to the patient's alveoli. Also provided is a method of treating Pneumocystis carinii pneumonia in HIV seropositive individuals comprising administering a therapeutically effective amount of pentamidine aerosol to the HIV positive individual through inhalation. In addition, a method is provided of administering pentamidine to a human comprising aerosolizing a pentamidine solution in a nebulizer system having a one-way valve disposed between the nebulizer and the mouthpiece of the nebulizer system.
    Type: Grant
    Filed: August 13, 1992
    Date of Patent: November 15, 1994
    Assignee: Regents of the University of California
    Inventors: Robert J. Debs, Alan B. Montgomery, John E. Conte, Jeffrey A. Golden
  • Patent number: 5360810
    Abstract: There is disclosed a compound of the formula (I): ##STR1## wherein X is a hydrogen atom or 1 to 5 substituents which may be the same or different and are selected from the group consisting of a hydrogen atom, alkyl, alkenyl, alkynyl, optionally substituted phenyl, an optionally substituted heterocyclic group, alkoxy, alkenyloxy, alkynyloxy, optionally substituted phenoxy, mono-, di- or tri-substituted halogenoalkyl and a halogen atom; Y is CH or N; m is 0 or 1; A is a group of the formula: ##STR2## (wherein R.sup.1 is a hydrogen atom or alkyl; n is 0 or 1; B is O, S or NR.sup.3 ; R.sup.2 and R.sup.3 are the same or different and are a hydrogen atom, alkyl, alkenyl, alkynyl, phenyl, benzyl, acyl or phenacyl). There are also disclosed the production thereof and an agricultural fungicide containing the compound as an active component.
    Type: Grant
    Filed: March 18, 1993
    Date of Patent: November 1, 1994
    Assignee: Shionogi & Co., Ltd.
    Inventors: Yoshio Hayase, Hideyuki Takenaka, Norihiko Tanimoto, Michio Masuko, Toshihiko Takahashi
  • Patent number: 5344841
    Type: Grant
    Filed: June 8, 1992
    Date of Patent: September 6, 1994
    Assignee: Sphinx Pharmaceuticals Corporation
    Inventors: Jack B. Jiang, Mary G. Johnson
  • Patent number: 5308869
    Abstract: N,N'-disubstituted-amidines, e.g., of the formula ##STR1## wherein R, R' and R" are substituted or unsubstituted hydrocarbon and/or heterocyclic groups.Methods are provided for the treatment or prophylaxis of anxiety in an animal, for treating psychosis, and for treating hypertension by administering an effective amount of an N,N'-disubstituted amidine which, preferably, has a high affinity for the sigma receptor.
    Type: Grant
    Filed: March 30, 1992
    Date of Patent: May 3, 1994
    Assignee: State of Oregon, acting by and through the Oregon State Board of Higher Education
    Inventors: John F. W. Keana, Eckard Weber
  • Patent number: 5286752
    Abstract: Novel diarylamidines, and compositions and methods for treating cardiac arrhythmias in mammals utilizing the novel and related known diarylamidines of formula I, II, III and IV ##STR1##
    Type: Grant
    Filed: September 10, 1991
    Date of Patent: February 15, 1994
    Assignee: Sterling Winthrop Inc.
    Inventors: Robert E. Johnson, Thomas E. D'Ambra
  • Patent number: 5246965
    Abstract: The invention relates to the compounds of the formula ##STR1## wherein the C(.dbd.NH)--NHR group may be in tautomeric or isomeric form, and pharmaceutically acceptable salts thereof, in which:R is hydrogen or an acyl radical which is derived from an organic carbonic acid, an organic carboxylic acid, a sulfonic acid, or a carbamic acid;R.sub.1 is a substituent selected from an aliphatic hydrocarbon radical, an araliphatic hydrocarbon radical and a cycloaliphatic hydrocarbon radical;X.sub.1 and X.sub.3, independently of one another, are oxygen (--O--) or sulphur (--S--); andX.sub.
    Type: Grant
    Filed: September 17, 1992
    Date of Patent: September 21, 1993
    Assignee: Ciba-Geigy
    Inventor: Alan J. Main
  • Patent number: 5230897
    Abstract: Pharmaceutical compositions and transdermal patches comprised of pentamidine and a penetration enhancing amount of a terpene selected from the group consisting of menthol, carvone, carveol, dihydrocarveol, dihydrocarvone, neomenthol, isopulegol, terpene-4-ol, menthone, pulegol, camphor, geraniol, .alpha.-terpineol, citral, linalol, carvacrol, thymol and anethole are disclosed for delivery of a therapeutically effective amount of pentamidine or its pharmaceutically acceptable salts.
    Type: Grant
    Filed: October 31, 1991
    Date of Patent: July 27, 1993
    Assignee: G. D. Searle & Co.
    Inventors: Martin J. Griffin, Tugrul T. Kararli, Stanley C. Penzotti, Jr., Rachelle M. Rydzik, Cynthia M. Schmidt
  • Patent number: 5204370
    Abstract: The present invention provides novel substituted anthraquinones having the formula ##STR1## wherein R.sub.1 and R.sub.2 are independently H, C.sub.1 -C.sub.10 alkyl, aryl, arylalkyl, alkylaryl;n and m are independently 1, 2, or 3;A is Halogen, OH, alkoxy, OCO(NR.sub.3 R.sub.4), S--C(NH.sub.2).dbd.NR.sub.5, or when m=1, comprises an oxirane ring with the adjacent oxygen atom;R.sub.3, R.sub.4, and R.sub.5 are independently H, alkyl, or aryl;X is H, OH, NR.sub.6 R.sub.7, Cl, Br, I, F, alkyl, aryl, alkoxy, aryloxy, COOR.sub.8, or CONR.sub.9 R.sub.10 ; andR.sub.6, R.sub.7, R.sub.8, R.sub.9, and R.sub.10 are independently H, lower alkyl, or aryluseful for inhibiting protein kinase C and treating conditions related to, or affected by inhibition of protein kinase C, particularly cancer tumors, inflammatory disease, reperfusion injury, and cardiac dysfunctions related to reperfusion injury.
    Type: Grant
    Filed: November 5, 1990
    Date of Patent: April 20, 1993
    Assignee: Sphinx Pharmaceuticals Corporation
    Inventors: Jack B. Jiang, Mary G. Johnson
  • Patent number: 5183828
    Abstract: Polyhydroxy-substituted benz, phenylacet and mandelamidines, amidates, amidoximes and hydroxyamidoximes--ribonucleotide reductase inhibitors, and free radical scavengers.
    Type: Grant
    Filed: July 20, 1990
    Date of Patent: February 2, 1993
    Inventors: Bartholomeus van't Riet, Howard L. Elford, Galen L. Wampler
  • Patent number: 5026687
    Abstract: A preferred method and dosages for the short and long-term treatment of human retroviral infections, or retroviral-like infections, including acquired immunodeficiency syndrome (AIDS) and other manifestations of human immunodeficiency virus (HIV) infection, with 2',3'-dideoxyinosine (ddl) are disclosed, along with a protocol for halting and restarting 2',3'-dideoxyinosine to minimize certain side effects.
    Type: Grant
    Filed: January 3, 1990
    Date of Patent: June 25, 1991
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Robert Yarchoan, Hiroaki Mitsuya, Samuel Broder
  • Patent number: 4938797
    Abstract: The invention relates to a process for the preparation of microcapsules having a capsule wall of polyurea and encapsulating a water-immiscible pesticide. The process comprises first dispersing a solution of a polyisocyanate in the sparingly water-soluble pesticide, in the presence of an anionic dispersant and at least one nonionic protective colloid and/or a nonionic surfactant, and subsequently reacting the dispersion with a polyamine, to give a stable aqueous suspension of microcapsules which can be used either direct or after dilution with water as pesticidal composition.
    Type: Grant
    Filed: June 7, 1988
    Date of Patent: July 3, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Hans W. Hasslin, Michael J. Hopkinson
  • Patent number: 4775695
    Abstract: This invention relates to novel substituted amidinoalkoxy and amidinoalkylamino indanones and salts thereof. The compounds are useful for the treatment and prevention of injury to the brain and of edema due to head trauma, stroke (particularly ischemic), arrested breathing, cardiac arrest, Reye's syndrome, cerebral thrombosis, cerebral embolism, the neurological problems caused by AIDS, cerebral hemorrhage, cerebral tumors, encephalomyelitis, spinal cord injury, hydrocephalus, post-operative brain injury trauma, edema due to cerebral infections, various brain concussions, and elevated intracranial pressure.
    Type: Grant
    Filed: June 1, 1987
    Date of Patent: October 4, 1988
    Assignee: Merck & Co., Inc.
    Inventors: Edward J. Cragoe, Jr., Otto W. Woltersdorf, Jr.
  • Patent number: 4710512
    Abstract: Liquid formulations of the pesticide amitraz are stabilized by the addition of one or more aluminum alkoxides.
    Type: Grant
    Filed: October 14, 1986
    Date of Patent: December 1, 1987
    Assignee: Schering Agrochemicals Limited
    Inventor: Michael A. Webb
  • Patent number: 4690947
    Abstract: Arthropodicidal compositions in the form of synergistic combinations of (A) cyano-(4-fluoro-3-phenoxyphenyl)-methyl 3-(2,2-dichlorovinyl)-2,2-dimethyl-cyclopropanecarboxylate plus (B) O-ethyl-O-[4-(methylthio)-phenyl]-S-propyl phosphorodithioate, (A) plus (C) N.sup.1 -(4-chloro-O-tolyl)-N,N-dimethylformamidine, (A) plus (B) plus (C), (A) plus (D) 1-(tricyclohexylstannyl)-1H-1,2,4-triazole, (A) plus (E) tricyclohexyl hydroxystannane, or (A) plus (F) hexakis-(2-methyl-2-phenylpropyl)-distannoxane, which are individually known compounds, which combinations possess synergistic arthropidicidal properties especially for the control of mites.
    Type: Grant
    Filed: November 25, 1985
    Date of Patent: September 1, 1987
    Assignee: Mobay Corporation
    Inventors: Walter M. Zeck, Donald E. Simonet
  • Patent number: 4678775
    Abstract: A method of controlling a pest which comprises bringing into contact with the pest a pest-controlling amount of an agent selected from the group consisting of(1) a non-formamidine -p-octopamine agonist having substantial activity toward an octopamine receptor present in the pest;(2) a compound directly and substantially stimulating the enzyme, adenylate cyclase; and(3) a cyclic adenosine monophosphate (cAMP) analogue.
    Type: Grant
    Filed: May 1, 1984
    Date of Patent: July 7, 1987
    Inventor: James A. Nathanson
  • Patent number: 4661522
    Abstract: The present invention is dealing with cycloalkane-indene-carboximidamide derivatives having the general formula: ##STR1## wherein Rx together with either Ry.sub.1 or Ry.sub.2 represent the moiety ##STR2## (the other Ry being hydrogen), n represents the number 1, 2 or 3,R represents hydrogen or a (1-4 C)-alkyl group,R.sub.1 represents hydrogen, (1-4 C)-alkyl, hydroxyl, (1-4 C)-alkoxy or an amino group which is unsubstituted or substituted by (1-4 C)-alkyl andR.sub.2 is hydrogen, hydroxyl or (1-4 C)-alkyl,as well as the pharmaceutically acceptable salts thereof, with powerful blood platelet aggregation-inhibiting activity.
    Type: Grant
    Filed: May 15, 1985
    Date of Patent: April 28, 1987
    Assignee: Akzo N.V.
    Inventor: Tom Beetz
  • Patent number: 4634705
    Abstract: Disclosed herein are adrenergic compounds represented by the formula ##STR1## wherein m is 0, 1 or 2; R.sub.1, R.sub.2, R.sub.3 and R.sub.7 are taken from the group consisting of hydrogen, hydroxy, loweralkyl, loweralkoxy, halo, amino, acetamido or NHSO.sub.2 R wherein R is taken from the group consisting of hydrogen or loweralkyl, provided that R.sub.1, R.sub.2, R.sub.3 and R.sub.7 cannot simultaneously be hydrogen or halo, and provided that when one of R.sub.1, R.sub.2, R.sub.3 and R.sub.7 is halo, the others cannot simultaneously be hydrogen and when two of R.sub.1, R.sub.2, R.sub.3 and R.sub.7 are halo, the other two cannot simultaneously be hydrogen and provided that R.sub.1 and R.sub.7 cannot simultaneously be methoxy each when R.sub.2 and R.sub.3 are hydrogen; R.sub.1 and R.sub.2 or R.sub.2 and R.sub.3 or R.sub.3 and R.sub.7 taken together can form a methylenedioxy or ethylenedioxy bridge; or R.sub.1 and R.sub.2 or R.sub.2 and R.sub.3 or R.sub.3 and R.sub.
    Type: Grant
    Filed: March 7, 1986
    Date of Patent: January 6, 1987
    Assignee: Abbott Laboratories
    Inventors: John F. DeBernardis, Fatima Z. Basha
  • Patent number: 4623659
    Abstract: Polyhydroxy-substituted benz, phenylacet and mandelamidines, amidates, amidoximes and hydroxyamidoximes--ribonucleotide reductase inhibitors, and free radical scavengers.
    Type: Grant
    Filed: May 23, 1983
    Date of Patent: November 18, 1986
    Inventors: Bartholomeus van't Riet, Howard L. Elford, Galen L. Wampler
  • Patent number: 4598077
    Abstract: Amidine derivatives of the formula ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, represent each a hydrogen atom or a lower alkyl group, or R.sub.1 and R.sub.2 together with an intermediary carbon atom and/or hetero atom may form a ring; X represents ##STR2## (wherein R.sub.8 represents a hydrogen atom, a lower alkyl group, or --CH.sub.2 COOR.sub.9, where R.sub.9 represents a hydrogen atom or a lower alkyl group; Z represents a single bond, --CH.sub.2 --, --CH.sub.2 CH.sub.2 --, or --CH.dbd.CH--); R.sub.3 represents a hydrogen or chlorine atom, methoxy group, nitro group, or amino group; Y represents --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --CH.sub.2 O--, or --OCH.sub.2 --; R.sub.4 represents a hydrogen atom, methoxy group, benzoyl group, nitro group, or amino group; and R.sub.5, R.sub.6 and R.sub.
    Type: Grant
    Filed: December 14, 1984
    Date of Patent: July 1, 1986
    Assignee: Torii & Co. Ltd.
    Inventors: Setsuro Fujii, Takuo Sato, Hiroyuki Kawamura, Takashi Yaegashi, Masateru Kurumi, Takuo Aoyama
  • Patent number: 4596811
    Abstract: The invention relates to special heterocyclic compounds corresponding to general tautomeric formula I which are distinguished by improved antagonistic activity on histamine-H.sub.2 -receptors. The invention also relates to a process for producing these compounds and to medicaments containing them.
    Type: Grant
    Filed: October 18, 1983
    Date of Patent: June 24, 1986
    Assignee: Ludwig Heumann & Co., GmbH
    Inventors: Istvan Szelenyi, Stefan Postius, Helmut Schickaneder, Herbert Hansen
  • Patent number: 4543352
    Abstract: A class of naphthalene aminoalkylene ether and thioether compounds exhibiting pharmacological activity including anti-secretory and anti-ulcerogenic activity, pharmaceutical compositions comprising these compounds, and methods for the treatment of gastrointestinal hyperacidity and ulcerogenic disorders in mammals using said compositions are disclosed.
    Type: Grant
    Filed: April 29, 1983
    Date of Patent: September 24, 1985
    Assignee: William H. Rorer, Inc.
    Inventors: Donald E. Kuhla, Henry F. Campbell, William L. Studt
  • Patent number: 4539319
    Abstract: Compounds of formula (I) ##STR1## and acid addition salts thereof, whereinR.sup.1 is hydrogen, hydroxy, alkoxy, aryloxy, aralkoxy, heteroaryloxy or heteroaralkoxy;andone of R.sup.2, R.sup.3 and R.sup.4 is hydrogen and the others are the same or different and each is hydrogen, alkyl, aryl, aralkyl, heteroaryl or heteroaralkyl;orR.sup.2 is hydrogen and ##STR2## is mono- or bi-cyclic amino, inhibit enterotoxin-induced secretion into the small intestine and are, therefore, useful in treating enterotoxin induced diarrhoea in humans and scours in animals.
    Type: Grant
    Filed: June 14, 1983
    Date of Patent: September 3, 1985
    Assignee: Beecham Group p.l.c.
    Inventors: Peter M. Newsome, Noel A. Mullan, John P. Marshall