Chalcogen Bonded Directly At 2- And 4-positions Patents (Class 544/285)
  • Patent number: 5576322
    Abstract: The invention is directed to certain 2,4-diaminoquinazoline compounds, their pharmaceutically acceptable salts, the pharmaceutical compositions comprising those compounds and their therapeutic methods of use. The compounds possess anti-ischemic activity.
    Type: Grant
    Filed: February 18, 1994
    Date of Patent: November 19, 1996
    Assignee: Eisai Co., Ltd.
    Inventors: Yasutaka Takase, Nobuhisa Watanabe, Makoto Matsui, Hironori Ikuta, Teiji Kimura, Takao Saeki, Hideyuki Adachi, Tadakazu Tokumura, Hisatoshi Mochida, Yasunori Akita, Shigeru Souda
  • Patent number: 5561133
    Abstract: Quinazolines of the formula ##STR1## wherein R.sup.1 is typically methyl, hydrogen or amino; R.sup.2 is typically methyl or propargyl; Ar is typically phenylene or 2'-fluorophenylene; R.sup.3 is the residue of a dipeptide substituted, typically by methyl, at position (a), (b) or (c), shown in the following partial formula: ##STR2## R.sup.4, R.sup.5, R.sup.6 and R.sup.8 are typically hydrogen, R.sup.7 is typically hydrogen or methyl; or a pharmaceutically acceptable salt, ester or amide thereof are of value in the treatment of cancer.
    Type: Grant
    Filed: August 9, 1994
    Date of Patent: October 1, 1996
    Assignee: British Technology Group Limited
    Inventors: Graham M. F. Bisset, Vassilios Bavetsias
  • Patent number: 5539114
    Abstract: A process for the preparation of quinazoline-2,4-diones of the formula (I) ##STR1## in which R.sup.1 is aryl and R.sub.2, R.sup.3, R.sup.4, and R.sup.5 independently of one another are halogen, alkyl, alkoxy or hydrogen, by reacting anthranilic acid esters of the formula (II) ##STR2## in an aprotic reaction medium with aryl isocyanates R.sup.1 --N.dbd.C.dbd.O to give N-arylcarbamoyl-anthranilic acid esters of the formula (III) ##STR3## and cyclizing these in the presence of a base selected from the group of alkali metal or alkaline earth metal alkoxides, amides, hydrides or tetraalkylammonium hydroxides.
    Type: Grant
    Filed: November 15, 1994
    Date of Patent: July 23, 1996
    Assignee: Hoechst AG
    Inventors: Robert Cosmo, Wolfgang Tronich
  • Patent number: 5532243
    Abstract: There are provided nitrogen-containing bicyclic compounds, pharmaceutical compositions containing these compounds and methods of using these compounds to treat physiological or drug-induced psychosis or diskinesia in a mammal.
    Type: Grant
    Filed: February 14, 1992
    Date of Patent: July 2, 1996
    Assignee: The DuPont Merck Pharmaceutical Company
    Inventor: Paul J. Gilligan
  • Patent number: 5521315
    Abstract: There is disclosed an olefin-substituted compound having the formula:R--(core moiety),wherein R is a straignt chain hydrocarbon having at least one double bond and a carbon chain length of from about 6 to about 18 carbon atoms, wherein multiple double bonds are separated from each other by at least three carbon atoms, wherein the closest double bond to the core moiety is at least five carbon atoms from the core moiety, and wherein the hydrocarbon chain may be substituted by a hydroxyl, halo, keto or dimethylanimo group and/or interrupted by an oxygen atom and salts thereof and pharmaceutical compositions thereof.
    Type: Grant
    Filed: May 10, 1993
    Date of Patent: May 28, 1996
    Assignee: Cell Therapeutics, Inc.
    Inventors: Gail Underiner, David Porubek, J. Peter Klein, Elisa Eiseman, Alistair Leigh, Anil Kumar, John Michnick
  • Patent number: 5504088
    Abstract: The cyclic amide derivative is defined by the formula (I) or a salt thereof:R.sup.1 --(CH.sub.2).sub.n --Zin which R.sup.1 is a group derived from a cyclic amide compound, substituted or unsubstituted, n is zero or an integer of 1 to 10 and Z is ##STR1## R.sup.2 being an aryl, a substituted aryl, a cycloalkyl or a heterocyclic group, m being an integer of 1 to 6, R.sup.3 being hydrogen or a lower alkyl, R.sup.4 being an aryl or a substituted aryl, a cycloalkyl or a heterocyclic group, p being an integer of 1 to 6, provided that the cyclic amide compound is quinazoline-on or quinazoline-dion, R.sup.2 and R.sup.4 are neither aryl nor substituted aryl. The cyclic amide compound is pharmacologically effective to prevent and treat diseases due to insufficiency of the central choline functions.
    Type: Grant
    Filed: December 13, 1993
    Date of Patent: April 2, 1996
    Assignee: Eisai Co., Ltd.
    Inventors: Hachiro Sugimoto, Masahiro Yonaga, Norio Karibe, Youichi Iimura, Satoshi Nagato, Atsushi Sasaki, Yoshiharu Yamanishi, Hiroo Ogura, Takashi Kosasa, Kumi Uchikoshi, Kiyomi Yamatsu
  • Patent number: 5475105
    Abstract: Abstract of the Disclosure: Compounds of the formula I ##STR1## where R.sup.1, R.sup.2, n , R.sup.3, A, X, Y and Z have the meanings stated in the description, and the preparation thereof are described. The novel compounds are suitable for controlling diseases , i.e., as neuroleptics, antidepressants, sedatives, hypnotics, CNS protectives or muscle relaxants.
    Type: Grant
    Filed: December 16, 1994
    Date of Patent: December 12, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerd Steiner, Liiane Unger, Berthold Behl, Hans-Juergen Teschendorf, Rainer Munschauer
  • Patent number: 5470878
    Abstract: Therapeutic compounds have the formula:(X)j-(non-cyclic core moiety),j being an integer from one to three, the core moiety is non-cyclic and X is a racemic mixture, R or S enantiomer, solvate, hydrate, or salt of: ##STR1## *C is a chiral carbon atom, n is an integer from one to four (preferably from one to three), one or more carbon atoms of (CH.sub.2).sub.n may be substituted by a keto or hydroxy group, and m is an integer from one to fourteen. Independently, R.sub.1 and R.sub.2 may be a hydrogen, a straight or branched chain alkane or alkene of up to twelve carbon atoms in length, or --(CH.sub.2).sub.w R.sub.5, w being an integer from two to fourteen and R.sub.5 being a mono-, di- or tri-substituted or unsubstituted aryl group, substituents on R.sub.5 being hydroxy, chloro, fluoro, bromo, or C.sub.1-6 alkoxy. Or jointly, R.sub.1 and R.sub.2 form a substituted or unsubstituted, saturated or unsaturated heterocyclic group having from four to eight carbon atoms, N being a hetero atom. R.sub.
    Type: Grant
    Filed: December 8, 1993
    Date of Patent: November 28, 1995
    Assignee: Cell Therapeutics, Inc.
    Inventors: John Michnick, Gail E. Underiner, J. Peter Klein, Glenn C. Rice
  • Patent number: 5470975
    Abstract: Novel A-II receptor antagonists have the formula ##STR1## and its isomer ##STR2## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are as defined herein.
    Type: Grant
    Filed: January 11, 1994
    Date of Patent: November 28, 1995
    Assignee: E.R. Squibb & Sons, Inc.
    Inventor: Karnail Atwal
  • Patent number: 5444061
    Abstract: Quinazolines of the formula: ##STR1## wherein R.sup.1 -R.sup.8 are defined as in the specification, or a pharmaceutically acceptable salt, ester or amide thereof areof therapeutic value, particularly in the treatment of cancer.
    Type: Grant
    Filed: September 20, 1993
    Date of Patent: August 22, 1995
    Assignee: British Technology Group Limited
    Inventors: Graham M. F. Bisset, Ann L. Jackman, Duncan I. Jodrell
  • Patent number: 5430148
    Abstract: Quinazoline compounds which demonstrate antiproliferative activity, such as antitumor activity, processes of preparing these compounds, pharmaceutical compositions containing these compounds, and the use of these compounds. These compounds inhibit the growth and proliferation of the cells of higher organisms and microorganisms, such as bacteria, yeasts and fungi. Preferred quinazoline compounds are capable of inhibiting the enzyme thymidylate synthase. Effects derived from the inhibition of the enzyme thymidylate synthase include those discussed above.
    Type: Grant
    Filed: March 31, 1992
    Date of Patent: July 4, 1995
    Assignee: Agouron Pharmaceuticals, Inc.
    Inventors: Stephen E. Webber, Ted M. Bleckman, John Attard, Terence R. Jones, Michael D. Varney
  • Patent number: 5411963
    Abstract: Substituted quinazolines of the formula (1): ##STR1## wherein: R.sup.1 to R.sup.4 are independently H, halo, (C.sub.1 -C.sub.4) alkyl, branched (C.sub.3 -C.sub.4) alkyl, halo (C.sub.1 -C.sub.4) alkyl, (C.sub.1 -C.sub.4) alkoxy, NO.sub.2, or NH.sub.2,provided thatat least two of R.sup.1 to R.sup.4 are H;Y is H, Cl, X--W--Ar, or O--Alk;X is O, NR.sup.7, or CR.sup.8 R.sup.9 ;Z is H, Cl, OCH.sub.3, CH.sub.3, or --NR.sup.7 --W--Ar, provided that Z can be --NR.sup.7 --W--Ar only if Y is H, Cl, or NR.sup.7 --W--Ar and Z must be --NR.sup.7 --W--Ar if Y is H or Cl, which are plant fungicides, miticides, and insecticides.
    Type: Grant
    Filed: July 19, 1993
    Date of Patent: May 2, 1995
    Assignee: DowElanco
    Inventors: Barry A. Dreikorn, Glen P. Jourdan, Robert G. Suhr
  • Patent number: 5401745
    Abstract: Phenoxyphenylacetic acids and derivatives of general structural formula I ##STR1## have endothelin antagonist activity and are therefore useful in treating cardiovascular disorders, such as hypertension, postischemic renal failure, vasospasm, cerebal and cardiac ischemia, myocardial infarction, inflammatory diseases, Raynaud's disease, and endotoxic shock, and asthma.
    Type: Grant
    Filed: March 19, 1993
    Date of Patent: March 28, 1995
    Assignee: Merck & Co., Inc.
    Inventors: Scott W. Bagley, Prasun K. Chakravarty, Anna Chen, Daljit S. Dhanoa, Kenneth J. Fitch, William J. Greenlee, Elizabeth M. Naylor, James R. Tata, Thomas F. Walsh, David L. Williams, Jr.
  • Patent number: 5395838
    Abstract: The invention relates to quinazoline derivatives, or pharmaceutically-acceptable salts thereof, which possess anti-tumour activity; to processes for their manufacture; and to pharmaceutical compositions containing them.The invention provides a quinazoline of the formula: ##STR1## wherein R.sup.1 is hydrogen or amino, or alkyl or alkoxy each of up to 6 carbon atoms; or R.sup.1 is substituted alkyl or alkoxy each of up to 3 carbon atoms;R.sup.2 is hydrogen, alkyl, alkenyl, alkynyl, hydroxyalkyl, halogenoalkyl or cyanoalkyl each of up to 6 carbon atoms;Ar is phenylene or heterocyclene;L is a group of the formula --CO.NH--, --NH.CO--, --CO.NR.sup.3 --, --NR.sup.3.CO--, --CH.dbd.CH--, --CH.sub.2 O--, --OCH.sub.2 --, --CH.sub.2 S--, --SCH.sub.2 --, --CO.CH.sub.2 --, --CH.sub.2.CO-- or --CO.O--, wherein R.sup.3 is alkyl of up to 6 carbon atoms; andY is aryl or heteroaryl or a hydrogenated derivative thereof; orY is a group of the formula --A--Y.sup.
    Type: Grant
    Filed: July 13, 1993
    Date of Patent: March 7, 1995
    Assignees: Imperial Chemical Industries PLC, National Research Development Corporation
    Inventors: Andrew J. Barker, Leslie R. Hughes, Peter R. Marsham, John Oldfield, Stephen J. Pegg
  • Patent number: 5389631
    Abstract: Fibrinogen receptor antagonists of the ##STR1## are disclosed for use in inhibiting the binding of fibrinogen to blood platelets and for inhibiting the aggregation of blood platelets wherein G is: ##STR2## for example, ##STR3##
    Type: Grant
    Filed: March 22, 1993
    Date of Patent: February 14, 1995
    Assignee: Merck & Co., Inc.
    Inventors: David A. Claremon, Nigel Liverton
  • Patent number: 5389600
    Abstract: The invention relates to certain substituted fused compounds of Formula I ##STR1## which are useful as herbicides, and their agriculturally suitable compositions, as well as methods for their use as general or selective preemergent or postemergent herbicides or as plant growth regulants.
    Type: Grant
    Filed: May 21, 1993
    Date of Patent: February 14, 1995
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Thomas P. Selby
  • Patent number: 5384405
    Abstract: The present invention relates to a composition comprising an antimicrobial effective amount of a biocide selected from the group consisting of aromatic 2-N-hydroxy-thiourea and N-hydroxy-quinazolinone, and derivatives and combinations thereof, and at least one component selected from the group consisting of soaps, shampoos, skin-care medicaments, cosmetics, plastics and paints. Also disclosed is a novel process for making the biocide.
    Type: Grant
    Filed: January 10, 1994
    Date of Patent: January 24, 1995
    Assignee: Olin Corporation
    Inventors: Rahim Hani, Phillip T. Berkowitz, John L. Peterson
  • Patent number: 5340814
    Abstract: The present invention provides a novel series of 3-substituted methyl-2,3-dihydroimidazo[1,2-c]quinazoline compounds. These compounds are found useful as an active ingredient for the treatment of hypertension and dysuria.
    Type: Grant
    Filed: October 14, 1992
    Date of Patent: August 23, 1994
    Assignee: National Science Council
    Inventors: Ji-Wang Chern, Guan-Yu Lu, Yue-Jun Lai, Mao-Hsiung Yen, Pao-Luh Tao
  • Patent number: 5336663
    Abstract: 3-Aryluracil derivatives of the formula I ##STR1## in which --W-- is the group ##STR2## where the ring nitrogen atom is bonded via the C atom; R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.3 alkenyl or C.sub.4 alkenyl or C.sub.3 alkynyl or C.sub.4 alkynyl;R.sub.2 is halogen or cyano;R.sub.3 is hydrogen or halogen;R.sub.4 is hydrogen, halogen or C.sub.1 -C.sub.4 alkyl;R.sub.5 is C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 haloalkyl; or R.sub.4 and R.sub.5 together are --(CH.sub.2).sub.n --;n is the number 3 or 4;R.sub.13 is C.sub.1 -C.sub.4 alkyl, C.sub.3 alkenyl or C.sub.4 alkynyl or C.sub.3 alkynyl or C.sub.4 alkynyl; andQ is one of the groups a) to e): ##STR3## where R.sub.6 to R.sub.12 are substituents, m is 3, 4 or 5, X is oxygen or sulfur and t is 2, 3 or 4, and if R.sub.1 is hydrogen, the agrochemically acceptable salts of compounds of the formula I. the compounds of formula I have herbicidal properties and are suitable as the active ingredient in a herbicide.
    Type: Grant
    Filed: November 4, 1992
    Date of Patent: August 9, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Jean Wenger, Paul Winternitz, Martin Zeller
  • Patent number: 5330989
    Abstract: Biphenyl derivatives of cyclobutene-1,2-dione of formula 1 are angiotensin II antagonists and are useful for the treatment of hypertension and congestive heart failure ##STR1## wherein: Y is O, NR.sup.7, NCOR.sup.7 ; or R.sup.5 and Y taken together represent a linking chain of N.dbd.CR.sup.8 N; or R.sup.5 and Y taken together represent a linking chain of (CR.sup.9 R.sup.10).sub.n CON where n=1,2,3,4, or 5;X is N, CR.sup.7 ;Z is N, CR.sup.7 ;R.sup.1 is H, alkyl, benzyl, alkoxyalkyl, phenyl;R.sup.2 is H, alkyl, benzyl, alkoxyalkyl, phenyl, alkoxy, alkyl-OH, perfluoroalkyl, F, Cl, Br, I, NR.sup.7 R.sup.8 ;R.sup.3 is H, alkyl, benzyl, alkoxyalkyl, phenyl, alkoxy, alkyl-OH, perfluoroalkyl, F, Cl, Br, I, NR.sup.7 R.sup.8 ;R.sup.4 is H, NR.sup.7 R.sup.8, OR.sup.1, CN, F, Cl, I, Br, perfluoroalkyl, alkyl, phenyl, alkoxy, alkyl-OH, alkoxyalkyl, --(CH.sub.2).sub.n CO.sub.2 R.sup.1, --(CH.sub.2).sub.n CONR.sup.7 R.sup.8 where n=1, 2, 3, 4, or 5;R.sup.5, R.sup.
    Type: Grant
    Filed: September 11, 1992
    Date of Patent: July 19, 1994
    Assignee: American Home Products Corporation
    Inventors: Richard M. Soll, William A. Kinney
  • Patent number: 5308846
    Abstract: Substituted quinazolinones and pyridopyrimidines of structural formula 1 ##STR1## are angiotensin II antagonists useful in the treatment of disorders related to the renin-angiotensin system (RAS) such as hypertension, congestive heart failure, ocular hypertension and certain CNS disorders.
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: May 3, 1994
    Assignees: Merck & Co., Inc., E. I. Du Pont de Nemours and Co.
    Inventors: Eric E. Allen, Richard E. Olson
  • Patent number: 5306721
    Abstract: A compound or its tautomer of Formula I, ##STR1## wherein R.sup.1 is hydrogen, a 6-methyl, 6-fluoro, 6-chloro, 6-bromo, or 6,7-dimethoxy residue,R.sup.2 is hydrogen, or a methyl residue,and n is 1 or 2,and tautomers and their pharmaceutically acceptable alkali, or ammonium salts.
    Type: Grant
    Filed: August 2, 1993
    Date of Patent: April 26, 1994
    Assignee: Arzneimittelerk Dresden G.m.b.H.
    Inventors: Siegfried Leistner, Michael Gutschow, Karl Drossler, Helmut Vieweg, Gunther Wagner, Thomas Strohscheidt, Dieter Lohmann, Gunter Laban, Herwart Ambrosius, Angela Siegling
  • Patent number: 5306720
    Abstract: A novel piperidine derivative is defined by the formula (I), including a salt thereof, ##STR1## wherein R.sup.1 denotes a univalent group derived from substituted or unsubstituted quinazolinedione,X denotes a group of the formula ##STR2## n is an integer of 1 through 7, the ring A denotes a group of the formula ##STR3## a group of the formula ##STR4## or a group of the formula ##STR5## and R.sup.2 denotes a hydrogen atom, a lower alkyl group, a substituted benzoyl group, a pyridyl group, a 2-hydroxyethyl group, a pyridylmethyl group, or a group of the formula ##STR6## wherein Z represents a halogen atom). The novel compounds of this invention are used for treating dementias and sequelae of cerebrovascular diseases.
    Type: Grant
    Filed: December 20, 1991
    Date of Patent: April 26, 1994
    Assignee: Eisai Co., Ltd.
    Inventors: Hachiro Sugimoto, Takaharu Nakamura, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe, Yoshiharu Yamanishi, Hiroo Ogura, Shin Araki, Atsuhiko Kubota, Michiko Ohtake, Kiyomi Tamatsu
  • Patent number: 5304560
    Abstract: This invention relates to certain 1-heterocycloalkylquinazolin-2,3-dione derivatives, certain pharmaceutically acceptable salts thereof, the process of making those compounds, and the method of using the compounds. The compounds and compositions display effects on the peripheral or central nervous system.
    Type: Grant
    Filed: August 9, 1993
    Date of Patent: April 19, 1994
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Norihiko Shimazaki, Hitoshi Yamazaki, Takumi Yatabe, Hirokazu Tanaka
  • Patent number: 5298249
    Abstract: The present invention relates to a composition comprising an antimicrobial effective amount of a biocide selected from the group consisting of aromatic 2-N-hydroxy-thiourea and N-hydroxy-quinazolinone, and derivatives and combinations thereof, and at least one component selected from the group consisting of soaps, shampoos, skin-care medicaments, cosmetics, plastics and paints. Also disclosed is a novel process for making the biocide.
    Type: Grant
    Filed: October 4, 1991
    Date of Patent: March 29, 1994
    Assignee: Olin Corporation
    Inventors: Rahim Hani, Phillip T. Berkowitz, John L. Peterson
  • Patent number: 5296487
    Abstract: A compound of the formula: ##STR1## in which R.sup.1 and R.sup.2 are each hydrogen, halogen, nitro, amino, protected amino, hydroxyamino, lower alkyl, hydroxy, protected hydroxy, sulfamoyl, carboxy, protected carboxy, mercapto, optionally substituted heterocyclic-carbonyl, optionally substituted heterocyclic-(lower)alkyl, lower alkylthio, hydroxy(lower)alkyl or protected hydroxy(lower)alkyl,R.sup.3 is aryl which may have suitable substituent(s), andA is lower alkylene,or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: September 6, 1991
    Date of Patent: March 22, 1994
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Norihiko Shimazaki, Hitoshi Yamazaki, Takumi Yatabe, Hirokazu Tanaka, Yoshikuni Itoh, Masashi Hashimoto
  • Patent number: 5280027
    Abstract: The invention relates to quinazoline derivatives, or pharmaceutically-acceptable salts thereof, which possess anti-tumour activity; to processes for their manufacture; and to pharmaceutical compositions containing them.The invention provides a quinazoline of the formula: ##STR1## wherein R.sup.1 includes hydrogen, amino and alkyl or alkoxy each of up to 4 carbon atoms;R.sup.2 includes hydrogen, alkyl, hydroxyalkyl and halogenoalkyl each of up to 4 carbon atoms;R.sup.3 is hydrogen or alkyl or up to 3 carbon atoms;Ar is phenylene or heterocyclene;L is a group of the formula --CO.NH--, --NH.CO--, --CO.NR.sup.4 --, --NR.sup.4.CO--, --CH.dbd.CH-- or --CO.O--, wherein R.sup.4 is alkyl of up to 4 carbon atoms; and Y is a branched alkyl group bearing substituents Y.sup.2 and Y.sup.3 the definition of each independently including hydroxy, cyano, aryl and heteroaryl, and the definition of Y.sup.
    Type: Grant
    Filed: May 30, 1991
    Date of Patent: January 18, 1994
    Assignees: Imperial Chemical Industries PLC, National Research Development Corporation
    Inventors: Robert G. Andrew, Andrew J. Barker, Francis T. Boyle, James M. Wardleworth
  • Patent number: 5270466
    Abstract: There are provided substituted quinazoline compounds of formula I ##STR1## and their use for the prevention, control or amelioration of diseases caused by phytopathogenic fungi. Further provided are compositions and methods comprising those compounds for the protection of plants from fungal infestations and diseases.
    Type: Grant
    Filed: June 11, 1992
    Date of Patent: December 14, 1993
    Assignee: American Cyanamid Company
    Inventor: Gregory J. Haley
  • Patent number: 5252573
    Abstract: The invention relates to quinazoline derivatives, or pharmaceutically-acceptable salts thereof, which possess anti-tumour activity; to processes for their manufacture; and to pharmaceutical compositions containing them.The invention provides a quinazoline of the formula: ##STR1## wherein R.sup.1 is hydrogen or amino, or alkyl or alkoxy each of up to 6 carbon atoms; or R.sup.1 is substituted alkyl or alkoxy each of up to 3 carbon atoms;R.sup.2 is hydrogen, alkyl, alkenyl, alkynyl, hydroxyalkyl, halogenoalkyl or cyanoalkyl each of up to 6 carbon atoms;Ar is phenylene or heterocyclene;L is a group of the formula --CO.NH--, --NH.CO--, --CO.NR.sup.3 --, --NR.sup.3.CO--, --CH.dbd.CH--, --CH.sub.2 O--, --OCH.sub.2 --, --CH.sub.2 S--, --SCH.sub.2 --, --CO.CH.sub.2 --, --CH.sub.2 CO-- or --CO.O--, wherein R.sup.3 is alkyl of up to 6 carbon atoms; andY is aryl or heteroaryl or a hydrogenated derivative thereof; orY is a group of the formula --A--Y.sup.
    Type: Grant
    Filed: November 18, 1991
    Date of Patent: October 12, 1993
    Assignees: Imperial Chemical Industries plc, National Research Development Corporation
    Inventors: Andrew J. Barker, Leslie R. Hughes, Peter R. Marsham, John Oldfield, Stephen J. Pegg
  • Patent number: 5250536
    Abstract: Compounds of formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are independently hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, alkylcycloalkyl, halogen, haloalkyl, alkoxy, alkenoxy, alkoxyalkyl, haloalkoxy, alkylthio, cyano, nitro, amino, NR.sup.5 R.sup.6, hydroxy, acylamino, --CO.sub.2 R.sup.4, --O(CH.sub.2).sub.m CO.sub.2 R.sup.4, phenyl, phenoxy, benzyl or benzyloxy, the phenyl group or phenyl moiety of the benzyl group being optionally substituted in the ring; or R.sup.2 and R.sup.3 when taken together form a 5- or 6-membered ring; m is 1 or 2; R.sup.4 and R.sup.6 are hydrogen or C.sub.1-4 alkyl; R.sup.5 is C.sub.1-4 alkyl; n is 0, 1 or 2; are useful as nematicides.
    Type: Grant
    Filed: March 18, 1992
    Date of Patent: October 5, 1993
    Assignee: Imperial Chemical Industries PLC
    Inventor: Michael D. Turnbull
  • Patent number: 5246938
    Abstract: Compounds of formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are independently hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, alkylcycloalkyl, halogen, haloalkyl, alkoxy, alkenoxy, alkoxyalkyl, haloalkoxy, alkylthio, cyano, nitro, amino, NR.sup.5 R.sup.6, hydroxy, acylamino, --CO.sub.2 R.sup.4, --O(CH.sub.2).sub.m CO.sub.2 R.sup.4, phenyl, phenoxy, benzyl or benzyloxy, the phenyl group or phenyl moiety of the benzyl group being optionally substituted in the ring; or R.sup.2 and R.sup.3 when taken together form a 5 - or 6-membered ring; m is 1 or 2; R.sup.4 and R.sup.6 are hydrogen or C.sub.1-4 alkyl; R.sup.5 is C.sub.1-4 alkyl; n is 0, 1 or 2; provided that when n is 0, R.sup.1, R.sup.2 and R.sup.3 are not all hydrogen, or when n is 0 and R.sup.2 is hydrogen, R.sup.1 and R.sup.3 are not both methyl, or when n is 0 and R.sup.2 and R.sup.3 are both hydrogen, R.sup.1 is not methyl; are useful as nematicides.
    Type: Grant
    Filed: March 18, 1992
    Date of Patent: September 21, 1993
    Assignee: Imperial Chemical Industries PLC
    Inventors: Michael D. Turnbull, John Finney
  • Patent number: 5240941
    Abstract: The invention concerns a thioxo heterocycle of the formula I ##STR1## wherein Q is a 10-membered bicyclic heterocyclic moiety containing 1 or 2 N's which bears 1 or 2 thioxo substituents and which is optionally further substituted;A.sup.1 is a direct link to X.sup.1 or (1-3C)alkylene;X.sup.1 is oxy, thio, sulphinyl, sulphonyl or imino;Ar is optionally substituted phenylene or pyridylene;R.sup.1 is (1-4C)alkyl, (3-4C)alkenyl or (3-4C)alkynyl; andR.sup.2 and R.sup.3 together form a group of the formula --A.sup.2 --X.sup.2 --A.sup.3 -- which, together with the carbon atom to which A.sup.2 and A.sup.3 are attached, defines a ring having 5 to 7 ring atoms, wherein each of A.sup.2 and A.sup.3 is (1-3C)alkylene and X.sup.2 is oxy, thio, sulphinyl or sulphonyl;or a pharmaceutically-acceptable salt thereof.The compounds of the invention are inhibitors of the enzyme 5-lipoxygenase.
    Type: Grant
    Filed: July 11, 1991
    Date of Patent: August 31, 1993
    Assignees: ICI Pharma, Imperial Chemical Industries PLC
    Inventor: Pierre A. R. Bruneau
  • Patent number: 5236927
    Abstract: A compound of formula I: ##STR1## wherein R is hydrogen; oran alkyl, alkenyl or alkynyl group of up to 6 carbon atoms; nis O; 1 or 2; Z represents --CH.dbd.CH-- or --S--; each X independently represents halogeno, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, nitro or trifluoromethyl; and Y represents a group of formula: ##STR2## or a pharmaceutically acceptable salt or ester thereof.
    Type: Grant
    Filed: December 12, 1990
    Date of Patent: August 17, 1993
    Assignee: National Research Development Corporation
    Inventors: Terence R. Jones, Ann L. Jackman, David R. Newell
  • Patent number: 5234928
    Abstract: The present invention relates to quinazoline-3-alkanoic acid derivatives having both an inhibitory effect on platelet aggregation and a hindering effect on aldose reductase together, represented by a general formula [I] ##STR1## [wherein R is hydrogen or a protecting group for carboxyl group, R.sup.1 is a lower alkyl group, alkenyl group, alkinyl group, lower alkoxy group, lower alkylthio group, halogen, phenyl group (this phenyl group may be substituted by one to three of lower alkyls, lower alkoxys, halogens, trifluoromethyls, carboxyethylenes or ethoxycarbonylethylenes, naphthyl group, heterocycle (this heterocycle may be substituted by one to three of lower alkyls), cycloalkyl group or benzoyl group (this benzoyl group may be substituted by lower alkyl or halogen), R.sup.2 and R.sup.3 are identically or differently hydrogens, halogens, lower alkyl groups, lower alkoxy groups, aralkyl groups which may be substituted, nitro groups, imidazolyl groups, imidazolylmethyl groups or ##STR2## (R.sup.4 and R.sup.
    Type: Grant
    Filed: July 17, 1991
    Date of Patent: August 10, 1993
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Shizuyoshi Fujimori, Michiro Ohnota, Yoshihiro Hirata, Koji Murakami
  • Patent number: 5202322
    Abstract: Substituted quinazolinones and pyridopyrimidines of structural formula 1 ##STR1## are angiotensin II antagonists useful in the treatment of disorders related to the reninangiotensin system (RAS) such as hypertension, congestive heart failure, ocular hypertension and certain CNS disorders.
    Type: Grant
    Filed: September 25, 1991
    Date of Patent: April 13, 1993
    Assignees: Merck & Co., Inc., E. I. du Pont de Nemours and Company
    Inventors: Eric E. Allen, Richard E. Olson
  • Patent number: 5196425
    Abstract: 3-Piperidinyl-indazole derivatives and their pharmaceutically acceptable acid addition salts being useful antagonists of neurotransmitters; pharmaceutical compositions containing the same and a method of treating warm-blooded animals suffering from diseases associated with the release of said neutrotransmitters.
    Type: Grant
    Filed: July 17, 1989
    Date of Patent: March 23, 1993
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Jan Vandenberk, Ludo E. J. Kennis, Albertus H. M. T. Van Heertum
  • Patent number: 5187276
    Abstract: The invention relates to substituted 2-pyrimidinyl-1-piperazine derivatives defined herein by formula (I), processes for their manufacture, compositions containing said substituted 2-pyrimidinyl-1-piperazine derivatives as active materials and the use of said compounds and compositions as agents effecting the central nervous system. Also included in the invention are intermediates of formula (VIII) for making the active formula (I) compounds.
    Type: Grant
    Filed: November 28, 1990
    Date of Patent: February 16, 1993
    Assignee: Troponwerke GmbH & Co. KG.
    Inventors: Peter-Rudolf Seidel, Harald Horstmann, Jorg Traber, Wolfgang Dompert, Thomas Glaser, Teunis Thurman
  • Patent number: 5185335
    Abstract: Piperidine derivatives of formula ##STR1## wherein A is a radical of formula ##STR2## wherein one or two hydrogen atoms in said radicals (a-1) to (a-3) may be replaced by a C.sub.1-6 alkyl radical;R.sup.1 is hydrogen or halo; R.sup.2 is hydrogen, amino, mono or di(C.sub.1-6 alkyl)amino or C.sub.1-6 alkylcarbonylamino; R.sup.3 is hydrogen or C.sub.1-6 alkyl; L is C.sub.3-6 cycloalkyl, C.sub.5-6 cycloalkanone, C.sub.3-6 alkenyl optionally substituted with aryl, or L is a radical of formula ##STR3## the N-oxide forms, addition salts and stereochemically isomeric forms thereof, said compounds having gastrointestinal motility stimulating properties. Pharmaceutical compositions containing these compounds as active ingredient, and a method of preparing said compounds and pharmaceutical compositions.
    Type: Grant
    Filed: February 4, 1991
    Date of Patent: February 9, 1993
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Georges H. P. Van Daele, Jean-Paul R. M. A. Bosmans, Michel A. J. De Cleyn
  • Patent number: 5155110
    Abstract: The present invention is novel selected hydroxamic acid derivatives of fenamic acids having 5-lipoxygenase and cyclooxygenase inhibiting properties, pharmaceutical compositions for treating conditions advantageously affected by the inhibition and methods for treating these conditions in mammals, including humans suffering therefor.
    Type: Grant
    Filed: September 26, 1988
    Date of Patent: October 13, 1992
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Daniel L. Flynn
  • Patent number: 5118684
    Abstract: A novel piperidine derivative is defined by the formula (I), including a slt thereof, ##STR1## wherein R.sup.1 denotes a univalent group derived from one selected among substituted or unsubstituted benzene, pyridine, pyrazine, indole, anthraquinone, quinoline, substituted or unsubstituted phthalimide, homophthalimide, pyridinecarboxylic acid imide, pyridine N-oxide, pyrazinedicarboxylic acid imide, naphthalenedicarboxylic acid imide, substituted or unsubstituted quinazolinedione, 1,8-naphthalimide, bicyclo [2.2.2] oct-5-ene-2,3-dicarboxylic acid imide and pyromerylimide,X denotes a group of the formula --(CH.sub.2).sub.n --, a group of the formula --O(CH.sub.2).sub.n --, a group of the formula --S(CH.sub.2).sub.n --, a group of the formula --NH(CH.sub.2).sub.n --, a group of the formula --SO.sub.2 NH(CH.sub.2).sub.n --, a group of the formula ##STR2## a group of the formula ##STR3## a group of the formula ##STR4## a group of the formula --CH.sub.2 NH(CH.sub.2).sub.
    Type: Grant
    Filed: April 3, 1991
    Date of Patent: June 2, 1992
    Assignee: Eisai Co., Ltd.
    Inventors: Hachiro Sugimoto, Takaharu Nakamura, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe, Yoshiharu Yamanishi, Hiroo Ogura, Shin Araki, Atsuhiko Kubota, Michiko Ohtake, Kiyomi Tamatsu
  • Patent number: 5106851
    Abstract: Compounds of the formula (I) ##STR1## wherein R represents H or C.sub.1-6 alkyl;R.sub.1 and R.sub.2 represent H, halogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkythio, C.sub.1-6 alkoxycarbonyl, carboxyl, hydroxy, nitro, cyano, optionally C.sub.1-4 alkyl mono- or disubstituted carbamoyl, optionally C.sub.1-4 alkyl mono- or disubstituted amino, C.sub.1-6 acylamino, C.sub.1-4 alkoxy carbonylamino, C.sub.1-6 alkylsulphynyl, C.sub.1-6 alkylsulphonyl or C.sub.1-6 acyl;R.sub.3 represents H, C.sub.1-6 alkyl, aryl or aralkyl, or it may be absent;A represents CO or C.dbd.S;E represents nitrogen;D represents CO or CR.sub.4 R.sub.5 when the E--D bond is single, or D is C--R when the D--E bond is double, in which R.sub.4 represents H, C.sub.1-6 alkyl, aryl, aralkyl, hydroxy or C.sub.1-4 alkoxy and R.sub.5 represents H;X represents oxygen or N--R, or it is absent;Y represents a basic group selected from: ##STR2## in which n is 2 or 3; p is 0 or 1 at the same time or not; q is 0,2 or 3; R.sub.6 and R.sub.
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: April 21, 1992
    Assignee: Istituto de Angeli S.p.A.
    Inventors: Marco Turconi, Rosamarie Micheletti, Giovanni B. Schiavi, Arturo Donetti, Angelo Sagrada, Henri N. Doods
  • Patent number: 5097034
    Abstract: Color formers of the formula ##STR1## in which X.sup.1 denotes hydroxyl, alkoxy, alkenyloxy, aralkoxy, cycloalkoxy, aryloxy or acyloxy,R.sup.1 denotes hydrogen, halogen, alkyl or alkoxy,R.sup.2 denotes hydrogen, alkoxy, aralkoxy, aryloxy or a radical of the formula ##STR2## Y.sup.1 and Y.sup.2, independently of one another, denote alkyl, cycloalkyl or aralkyl,R.sup.2 can form a heterocyclic ring with A in the o-position, in which a benzene ring can be additionally fused onto ring A in the o-/m-position with respect to R.sup.2,R.sup.3 denotes hydrogen, alkyl, alkenyl, aralkyl, cycloalkyl or aryl, or R.sup.3 is linked to ring B in the o-position with respect to the nitrogen,Z.sup.1 stands for the remaining members of a partially hydrogenated or completely hydrogenated ring, with the proviso that Z.sup.
    Type: Grant
    Filed: May 14, 1991
    Date of Patent: March 17, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventor: Udo Eckstein
  • Patent number: 5081124
    Abstract: A quinazoline of the formula: ##STR1## wherein R.sup.1 is alkyl, cycloalkyl, alkenyl, alkynyl, alkoxy, alkylthio, aryl, aryloxy, arylalkyl, halogeno, hydroxy, mercapto, pyridylthio, pyrimidinylthio, or substituted alkyl or alkoxy;wherein R.sup.2 is hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl or alkanoyl;wherein Ar is phenylene, naphthylene or heterocyclene which is unsubstituted or bears one or more substituents and wherein R.sup.3 is such that R.sup.3 --NH.sub.2 is an amino acid;or a pharmaceutically-acceptable salt or ester thereof. The compounds possess anti-tumor activity.
    Type: Grant
    Filed: September 5, 1990
    Date of Patent: January 14, 1992
    Assignee: Imperial Chemical Industries PLC
    Inventor: Leslie R. Hughes
  • Patent number: 5077288
    Abstract: The invention relates to the compounds of general formula I: ##STR1## in which: m represents an integer from 2 to 4,n and p, which may be identical or different, each represent an integer from 1 to 3,q represents 0 or 1, andR represents:either a group of formula (A): ##STR2## or a radical of formula (B): ##STR3## or a 2,4-dioxo-1,2,3,4-tetrahydroquinazolinyl radical, on condition, however, that, in this case, n and p do not simultaneously represent the number 2,or a benzhydryloxy group,or a 1-oxophthalazinyl radical,or a 5-oxothiazolo[3,2-A]pyrimidinyl radical,or a group of formula C: ##STR4## their possible stereoisomers and their addition salts with a pharmaceutically acceptable inorganic or organic acid.The compounds of formula I are medicinal products with useful 5-HT.sub.2 - and .alpha..sub.1 -antagonistic activities.
    Type: Grant
    Filed: March 20, 1990
    Date of Patent: December 31, 1991
    Assignee: Adir et Compagnie
    Inventors: Gilbert Lavielle, Francis Colpaert, Michel Laubie
  • Patent number: 5071860
    Abstract: Insecticidally active substituted heteroaryl phenyl ethers of the formula ##STR1## in which Het represents an optionally substituted heteroaromatic radical,X represents O, S, --CH.sub.2 --, --O--CH.sub.2 --, --S--CH.sub.2 --, --CH.sub.2 --O--, ##STR2## Y represents O, --O--CH.sub.2 -- or S, Z represents an optionally substituted aromatic or heteroaromatic radical;m represents integers from 1-4n represents 0, 1, 2, 3, 4O represents 0, 1, 2, 3, 4, provided than n and o do not simultaneously represent 0p represents integers from 1-4,R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 independently of one another represent hydrogen, C.sub.1 -C.sub.6 -alkyl which is optionally substituted; two radicals adjacent to one another can also, together with the C atoms to which they are bonded, form a saturated carbocyclic 5- or 6-ring,R.sup.1 represents identical or different radicals hydrogen, halogen, CN, C.sub.1-4 -alkyl, 1-5-halogeno-C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy, C.sub.1-4 -alkylthio, 1-5-halogeno-C.sub.
    Type: Grant
    Filed: March 7, 1990
    Date of Patent: December 10, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Alig, Wilhelm Stendel, Michael Londershausen
  • Patent number: 5064833
    Abstract: 2,4-diaminoquinazoline compounds are inhibitors of the H.sup.+ K.sup.+ ATPase enzyme and useful for the treatment of diseases of the stomach based on excessive gastric acid secretion. A compound of the invention is 2-[2-methyl-4-fluorophenyl)amino]-4-(N-methylphenylamino)quinazoline.
    Type: Grant
    Filed: May 8, 1990
    Date of Patent: November 12, 1991
    Assignee: Smithkline Beecham Intercredit B.V.
    Inventors: Robert J. Ife, Thomas H. Brown, Colin A. Leach, David J. Keeling
  • Patent number: 5053411
    Abstract: This invention pertains to novel substituted N-aryl-N-[4-(1-heterocyclicalkyl)piperidinyl]amides useful as analgesics, and methods of administering analgesia, which comprises the systemic administration to mammals of such compounds, and pharmaceutical compositions containing such compounds, wherein the novel compounds have the general formula: ##STR1## including optically active isomeric forms, and the pharmaceutically acceptable acid addition salts thereof, wherein R, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are defined in the disclosure.
    Type: Grant
    Filed: April 20, 1989
    Date of Patent: October 1, 1991
    Assignee: Anaquest, Inc.
    Inventors: Jerome R. Bagley, Nhora L. Lalinde, Bao-Shan Huang, H. Kenneth Spencer
  • Patent number: 5039681
    Abstract: A novel piperidine derivative is defined by the formula (I), including a salt thereof, ##STR1## wherein R.sup.1 denotes a univalent group derived from one selected among substituted or unsubstituted benzene, pyridine, pyrazine, indole, anthraquinone, quinoline, substituted or unsubstituted phthalimide, homophthalimide, pyridinecarboxylic acid imide, pyridine N-oxide, pyrazinedicarboxylic acid imide, naphthalenedicarboxylic acid imide, substituted or unsubstituted quinazolinedione, 1,8-naphthalimide, bicyclo [2.2.2] oct-5-ene-2,3-dicarboxylic acid imide and pyromerylimide,X denotes a group of the formula --(CH.sub.2).sub.n --, a group of the formula --O(CH.sub.2).sub.n --, a group of the formula --S(CH.sub.2).sub.n --, a group of the formula --NH(CH.sub.2).sub.n --, a group of the formula --SO.sub.2 NH(CH.sub.2).sub.n --, a group of the formula ##STR2## a group of the formula ##STR3## a group of the formula ##STR4## a group of the formula --CH.sub.2 NH(CH.sub.2).sub.
    Type: Grant
    Filed: February 14, 1990
    Date of Patent: August 13, 1991
    Assignee: Eisai Co., Ltd.
    Inventors: Hachiro Sugimoto, Takaharu Nakamura, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe, Yoshiharu Yamanishi, Hiroo Ogura, Shin Araki, Atsuhiko Kubota, Michiko Ohtake, Kiyomi Tamatsu
  • Patent number: 5037829
    Abstract: (1H-azol-1-ylmethyl)substituted quinazoline derivatives, compositions containing the same, and methods of treating mammals suffering from disorders which are characterized by an increased proliferation and/or abnormal differentiation of epithelial tissues.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: August 6, 1991
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Eddy J. E. Freyne, Alfons H. M. Raeymaekers, Gerard C. Sanz, Marc G. Venet
  • Patent number: RE34201
    Abstract: This invention pertains to novel substituted N/aryl-N-[4-(1-heterocyclicalkyl)piperidinyl]amides useful as analgesics, and methods of administering analgesia, which comprises the systemic administration to mammals of such compounds, and pharmaceutical compositions containing such compounds, wherein the novel compounds have the general formula: ##STR1## including optically active isomeric forms, and the pharmaceutically acceptable acid addition salts thereof, wherein R, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are defined in the disclosure.
    Type: Grant
    Filed: April 14, 1992
    Date of Patent: March 23, 1993
    Assignee: Anaquest, Inc.
    Inventors: Jerome R. Bagley, Nhora L. Lalinde, Bao-Shan Huang, H. Kenneth Spencer