Plural Ring Chalcogens In The Bicyclo Ring System Patents (Class 544/377)
  • Patent number: 6251909
    Abstract: The invention relates to new arylglycinamide derivatives of general formula I and the pharmaceutically acceptable salts thereof, wherein R1 and R2 together with the N to which they are bound form a ring of the formula  wherein p is 2 or 3 and X denotes oxygen, N(CH2)nR6 or CR7R8, and R3, R4, R5, R6, R7, R8, Ar and n have the meanings given in the specification, and the preparation and use thereof. The new compounds are valuable neurokinin (tachykinin)-antagonists.
    Type: Grant
    Filed: February 18, 2000
    Date of Patent: June 26, 2001
    Assignee: Boehringer Ingelheim KG
    Inventors: Gerd Schnorrenberg, Horst Dollinger, Franz Esser, Hans Briem, Birgit Jung, Georg Speck
  • Patent number: 6232314
    Abstract: Arylalkylpiperazine compounds (1) wherein B is aryl or optionally substituted aryl; R1 is hydroxy; R2 and R3 are the same or different and are independently selected from hydrogen or C1-3 alkyl; m is 0, 1 or 2; D is a linking chain of atoms which may be optionally substituted and which contains from 1 to 8 atoms in the chain; E is a phenolic antioxidant group or a corresponding amino derivative thereof wherein the phenolic hydroxyl is replaced by amino, are disclosed. The compounds have both free radical scavenging activity and block excitatory amino acid activity. Some compounds of the present invention also display an affinity for voltage-sensitive sodium channels.
    Type: Grant
    Filed: March 18, 1999
    Date of Patent: May 15, 2001
    Assignee: Monash University
    Inventors: Bevyn Jarrott, Philip Mark Beart, William Roy Jackson, Vijaya Bhaskar Kenche, Alan Duncan Robertson, Maree Patricia Collis
  • Patent number: 6225312
    Abstract: The invention relates to a group of new piperazine and piperidine compounds having interesting pharmacological properties. It has been found that compounds of formula (a) wherein A represents a heterocyclic group of 5-7 ring atoms wherein 1-3 heteroatoms from the group O, N and S are present; R1 is hydrogen or fluoro; R2 is C1-4-alkyl, C1-4-alkoxy or an oxo group, and p is 0, 1 or 2; Z represents carbon or nitrogen, and the dotted line is a single bond when Z is nitrogen, and a single or double bond when Z is carbon; R3 and R4 independently are hydrogen or C1-4-alkyl; n has the value 1 or 2; R5 is halogen, hydroxy, C1-4-alkoxy or C1-4-alkyl, and q is 0, 1, 2 or 3; Y is phenyl, furanyl or thienyl, which groups may be substituted with 1-3 substituents of the group hydroxy, halogen, C1-4-alkoxy, C1-4-alkyl, cyano, aminocarbonyl, mono- or di-C1-4-alkylaminocarbonyl; and salts thereof show high affinity for both the dopamine D2 and serotonin 5-HT1A receptors.
    Type: Grant
    Filed: March 4, 1999
    Date of Patent: May 1, 2001
    Assignee: Duphar International Research B.V.
    Inventors: Roelof Willem Feenstra, Cornelis Gerrit Kruse, Martinus Theodorus Maria Tulp, Wilma Kuipers, Stephen Kenneth Long
  • Patent number: 6194448
    Abstract: A method for the inhibition of the binding of &agr;4&bgr;1 integrin to its receptors, for example VCAM-1 (vascular cell adhesion molecule-1) and fibronectin; compounds that inhibit this binding; pharmaceutically active compositions comprising such compounds; and the use of such compounds either as above, or in formulations for the control or prevention of diseases states in which &agr;4&bgr;1 is involved.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: February 27, 2001
    Assignee: Texas Biotechnology Corporation
    Inventors: Ronald J. Biediger, Vanessa O. Grabbe, George W. Holland, Jamal M. Kassir, Timothy P. Kogan, Shuqun Lin, Robert V. Market, Bore G. Raju, Ian L. Scott, Chengde Wu
  • Patent number: 6177566
    Abstract: Disclosed are compounds of the formula: or the pharmaceutically acceptable acid addition salts thereof wherein: R1, R2, R3, R4 and R5 are the same or different and represent hydrogen, halogen, C1-C6 alkyl, C1-C6 alkoxy, C1-C4 alkylthio, hydroxy, amino, mono- or di(C1-C6)alkylamino, cyano, nitro, trifluoromethyl or trifluoromethoxy; and X is oxygen, a bond, C1-C2 alkylene, or methyleneoxy, which compounds are useful for the treatment and/or prevention of neuropsychological disorders including, but not limited to, schizophrenia, mania, dementia, depression, anxiety, compulsive behavior, substance abuse, Parkinson-like motor disorders and motion disorders related to the use of neuroleptic agents.
    Type: Grant
    Filed: June 30, 1999
    Date of Patent: January 23, 2001
    Assignee: Neurogen Corporation
    Inventors: Jennifer N. Tran, Andrew Thurkauf
  • Patent number: 6153613
    Abstract: The present invention relates to a 2,3-diketopiperazine derivative or a salt thereof, which has inhibitory effect on platelet aggregation because of glycoprotein IIb/IIIa receptor antagonism and hence is useful as a prophylactic and therapeutic agent for diseases associated with platelet aggregation.General formula ##STR1## wherein R.sup.1 represents a protected or unprotected amidino group; R.sup.2 represents a hydrogen atom or a carboxyl-protecting group; A represents a substituted or unsubstituted lower alkylene group; B represents --O--, --CONH--, --NHCO-- or --SO.sub.2 NH--; Y represents a substituted or unsubstituted lower alkylene group; and the broken line represents a single bond or a double bond.
    Type: Grant
    Filed: October 29, 1998
    Date of Patent: November 28, 2000
    Assignee: Toyoma Chemical Co., Ltd.
    Inventors: Satoshi Ono, Tetsuo Yamafuji, Hirohiko Yamamoto, Hiroyuki Egawa, Yousuke Furuta, Hidetoshi Kaga
  • Patent number: 6153611
    Abstract: Novel non-dopaminergic antiischemic compounds have Formula I: ##STR1## wherein R=R.sub.1 and is independently H, C.sub.1-4 alky C.sub.1-4 alkoxy, C.sub.1-4 trihaloalkyl or halogen, or R and R.sub.1 may be taken together to form an --O(CH.sub.2).sub.m O-- (m=1 or 2);X=a 3-indolyl, phenyl, naphthalenyl or 2-benzothiazolyl residue;n=0, 1, 2 or 3; ##STR2## R.sub.2 =R.sub.3 and is independently H or C.sub.1-4 alkyl; and R.sub.4 =phenyl, 2-thienyl, 2-quinolinyl, 4-pyridinyl or substituted phenyl.
    Type: Grant
    Filed: June 25, 1993
    Date of Patent: November 28, 2000
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ronald J. Mattson, John D. Catt
  • Patent number: 6140331
    Type: Grant
    Filed: December 24, 1997
    Date of Patent: October 31, 2000
    Assignee: H. Lundbeck A/S
    Inventors: Ejner K. Moltzen, Jens Perregaard, Henrik Pedersen
  • Patent number: 6133263
    Abstract: Novel nonpeptide endothelin antagonists with ether-linked groups are described, as well as methods for the preparation and pharmaceutical compositions of the same, which are useful in treating atherosclerosis, restenosis, Raynaud's phenomenon, mild or severe congestive heart failure, cerebral ischemia, cerebral infarction, embolic stroke, cerebral vasospasm, subarachnoid hemorrhage, hemorrhagic stroke, diabetes, gastric ulceration and mucosal damage, ischemnic bowel disease, Chrohn's disease, essential or malignant hypertension, pulmonary hypertension, pulmonary hypertension after bypass, acute respiratory distress syndrome, chronic obstructive pulmonary diseases, male penile erectile dysfunction, cancer, especially malignant hemangicendothelioma or prostate cancer, myocardial infarction or ischemia, acute or chronic renal failure, renal ischemia, radiocontrast-induced nepbrotoxicity, endotoxic, septic, hemorrhagic shock, angina, preeclampsia, asthma, arhythmias, benign prostatic hyperplasia, and elevated lev
    Type: Grant
    Filed: August 3, 1998
    Date of Patent: October 17, 2000
    Assignee: Warner-Lambert Company
    Inventors: Xue-Min Cheng, Annette Marian Doherty, William Chester Patt, Joseph Thomas Repine
  • Patent number: 6133442
    Abstract: Compounds of formula I ##STR1## wherein R.sup.1 signifies phenyl, substituted phenyl or heterocyclyl;R.sup.2 signifies phenyl or substituted phenyl;R.sup.3 signifies hydrogen, lower-alkyl, cyano, carboxy, esterified carboxy, phenyl, substituted phenyl, heterocyclyl or a residue --CONR.sup.5 R.sup.6 or --NR.sup.5 COR.sup.7 ;R.sup.4 signifies hydrogen or lower-alkyl;R.sup.5 signifies hydrogen or a residue R.sup.7, andR.sup.6 signifies --(CH.sub.2).sub.m R.sup.7 ; orR.sup.5 and R.sup.6 together with the N atom associated with them signify a heterocyclic residue;R.sup.7 signifies phenyl, substituted phenyl, cycloalkyl, heterocyclyl, lower-alkyl, cyano-lower-alkyl, hydroxy-lower-alkyl, di-lower-alkylamino-lower-alkyl, carboxy-lower-alkyl, lower-alkoxycarbonyl-lower-alkyl, lower-alkoxycarbonylamino-lower-alkyl or phenyl-lower-alkoxycarbonyl;R.sup.a signifies hydrogen, lower-alkyl or hydroxy;R.sup.b signifies hydrogen or lower-alkyl;Z signifies hydroxy, amino or a residue --OR.sup.8, --OC(O)NHR.sup.8, --OC(O)OR.sup.
    Type: Grant
    Filed: March 5, 1999
    Date of Patent: October 17, 2000
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Volker Breu, Kaspar Burri, Jean-Marie Cassal, Martine Clozel, Georges Hirth, Bernd-Michael Loffler, Marcel Muller, Werner Neidhart, Henri Ramuz
  • Patent number: 6130222
    Abstract: Compounds of the formula (I) ##STR1## as well as their pharmaceutically acceptable salts, and pharmaceutical compositions comprising the novel compounds. The novel compounds of the formula (I) are useful in the management of pain.
    Type: Grant
    Filed: April 24, 1997
    Date of Patent: October 10, 2000
    Assignee: Astra Pharma Inc.
    Inventors: Edward Roberts, Niklas Plobeck, Claes Wahlestedt
  • Patent number: 6080860
    Abstract: Novel methods for the synthesis of substituted ureas and guanidines including Terazosin, Prazosin, Doxazosin, Tiodazosin, Trimazosin, Quinasin and Bunazosin (exemplary of 2-amino substituted Quinazolines), Meobentine and Bethanidine and novel intermediates suitable for use in such methods of synthesis are taught.
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: June 27, 2000
    Assignee: Brantford Chemicalss Inc.
    Inventors: Khashayar Karimian, Keshava Murthy, Darren Hall
  • Patent number: 6060487
    Abstract: A compound of formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, X--Y, A, Z and Z' are as defined in the description, in the form of the cis or trans isomers each in racemic or optically active form, and acid addition salts thereof, and medicinal products containing the same are useful in the treatment of diseases of the central nervous system or of manifestations of pain.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: May 9, 2000
    Assignee: Adir et Compagnie
    Inventors: Jean-Louis Peglion, Bertrand Goument, Mark Millan, Adrian Newman-Tancredi, Anne Dekeyne
  • Patent number: 5998414
    Abstract: Described herein are compounds of the general formula: ##STR1## a stereoisomer, solvate, or pharmaceutically acceptable salt thereof, wherein:R.sub.1 is H, halo, aryl or aryl substituted with one or two groups independently selected from halo, C.sub.1-4 alkyl, C.sub.1-4 -alkoxy, nitro, trifluoromethyl, trifluoromethoxy or cyano;R.sub.2 is C.sub.4-9 alkyl; phenyl or phenyl substituted with one or two groups selected independently from OH, cyano, halo, C.sub.1-4 alkoxy, C.sub.1-4 alkyl, trifluoromethyl, trifluoromethoxy, nitro or phenyl; naphthyl;phenyl fused to a 5 or 6-membered heterocycle; the coumarin moiety ##STR2## wherein R.sub.3 and R.sub.4 are selected independently from H, C.sub.1-4 alkyl and C.sub.1-4 alkoxy;or 1,2-methylenedioxy phenyl;with the proviso that R.sub.2 is not phenyl or 3,4-dimethoxyphenyl when R.sub.1 is H.Also described is their use as pharmaceuticals to treat indications in which the D4 receptor is implicated, such as schizophrenia and anxiety.
    Type: Grant
    Filed: August 8, 1997
    Date of Patent: December 7, 1999
    Assignee: Hoechst Marion Roussel, Inc.
    Inventors: Xin Wang, Jian-min Fu, Adi M. Treasurywala
  • Patent number: 5977111
    Abstract: A thiopyran derivative represented by the following formula (I) or (I'), or the salt thereof. ##STR1## wherein A is S or --CH.dbd.CH--; the dotted line indicates that the bond may be either present or absent; Z and Z' are typically ##STR2## L is an ethylene or trimethylene group; Y is CH or N; n is 2; B is a carbonyl group; m is 0 or 1; D is a phenyl group; and E.sub.1 and E.sub.2 are hydrogen atoms. These compounds exhibit a strong serotonin-2 blocking action and highly safe. Some compounds also exhibit an .alpha..sub.1 -blocking action and therefore are useful as an antihypertensive agent with less side effects. Thus, the thiopyran derivatives are useful as drugs for the treatment of circulatory diseases in general such as hypertension, ischemic heart disease, cerebrovascular disturbance, and peripheral circulatory disturbance.
    Type: Grant
    Filed: June 21, 1996
    Date of Patent: November 2, 1999
    Assignee: Suntory Limited
    Inventors: Akira Mizuno, Makoto Shibata, Tomoe Iwamori, Norio Inomata
  • Patent number: 5962456
    Abstract: An N-acylpiperazine derivative or a salt thereof expressed by the following formula 1: ##STR1## wherein R.sub.1 represents a pyridylcarbonyloxy lower alkyl group, a benzoylamino lower alkyl group, benzyl group, carbamoyl group, pyridyl group, or diphenylmethyl group;R.sub.2 represents a lower alkyl group or a lower alkoxy group;n represents an integer of 0 to 2;R.sub.3 represents a hydrogen atom, an alkenyl group, or benzyl group; andm represents an integer of 1 to 3.The N-acylpiperazine derivative or a salt thereof has an anti-ulcer effect, an antibacterial activity against Helicobacter pyroli, and high safety to be available for prevention or cure of various ulcers.
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: October 5, 1999
    Assignee: Shiseido Co., Ltd.
    Inventors: Chikao Nishino, Fumitaka Sato, Hirotada Fukunishi
  • Patent number: 5962682
    Abstract: Compounds of formula (I) ##STR1## wherein R.sup.1 signifies phenyl, substituted phenyl or heterocyclyl; R.sup.2 signifies phenyl or substituted phenyl; R.sup.3 signifies hydrogen, lower-alkyl, cyano, carboxy, esterified carboxy, phenyl, substituted phenyl, heterocyclyl or a residue --CONR.sup.5 R.sup.6 or --NR.sup.5 COR.sup.7 ; R.sup.4 signifies hydrogen or lower-alkyl; R.sup.5 signifies hydrogen or a residue R.sup.7, and R.sup.6 signifies --(CH.sub.2).sub.m R.sup.7 ; or R.sup.5 and R.sup.6 together with the N atom associated with them signify a heterocyclic residue; R.sup.7 signifies phenyl, substituted phenyl, cycloalkyl, heterocyclyl, lower-alkyl, cyano-lower-alkyl, hydroxy-lower-alkyl, di-lower-alkylamino-lower-alkyl, carboxy-lower-alkyl, lower-alkoxycarbonyl-lower-alkyl, lower-alkoxycarbonylamino-lower-alkyl or phenyl-lower-alkoxycarbonyl; R.sup.a signifies hydrogen, lower-alkyl or hydroxy; R.sup.b signifies hydrogen or lower-alkyl; Z signifies hydroxy, amino or a residue --OR.sup.8, --OC(O)NHR.sup.
    Type: Grant
    Filed: August 18, 1997
    Date of Patent: October 5, 1999
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Volker Breu, Kaspar Burri, Jean-Marie Cassal, Martine Clozel, Georges Hirth, Bernd-Michael Loffler, Marcel Muller, Werner Neidhart, Henri Ramuz
  • Patent number: 5958927
    Abstract: A compound of formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, X-Y, A, Z and Z' are as defined in the description, in the form of the cis or trans isomers each in racemic or optically active form, and acid addition salts thereof, and medicinal products containing the same are useful in the treatment of diseases of the central nervous system or of manifestations of pain.
    Type: Grant
    Filed: October 2, 1998
    Date of Patent: September 28, 1999
    Assignee: Adir et Compagnie
    Inventors: Jean-Louis Peglion, Bertrand Goument, Mark Millan, Adrian Newman-Tancredi, Anne Dekeyne
  • Patent number: 5935958
    Abstract: Di-N-substituted piperazine or 1,4-di-substituted piperidine compounds in accordance with formula I (including all isomers, salts, esters, and solvates) ##STR1## wherein Q, n, R, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.21, R.sup.27, R.sup.28, X, and Z are as defined herein are muscarinic antagonists useful for treating cognitive disorders such as Alzheimer's disease. Pharmaceutical compositions and methods of preparation are also disclosed. Also disclosed are synergistic combinations with acetyl-cholinesterase inhibitors of compounds capable of enhancing acetylcholine release and having the above formula.
    Type: Grant
    Filed: June 26, 1997
    Date of Patent: August 10, 1999
    Assignee: Schering Corporation
    Inventors: Joseph A. Kozlowski, Derek B. Lowe, Wei K. Chang, Sundeep Dugar
  • Patent number: 5919931
    Abstract: A process is provided for the manufacture of: where R is: ##STR1## comprising reacting: ##STR2## wherein R.sub.1 may be selected from H, Methyl, Ethyl and suitable lower alkyl groups, C.sub.n H.sub.2n+1 (where n is from 3 to 5) or any other suitable group and thereafter if desired converting the resultant product to a salt thereof.
    Type: Grant
    Filed: April 4, 1996
    Date of Patent: July 6, 1999
    Assignee: Brantford Chemicals Inc.
    Inventors: K. S. Keshava Murthy, Gamini Weeratunga, Tianhao Zhou, Bhaskar Reddy Guntoori
  • Patent number: 5902812
    Abstract: Diketopiperazines of formula (A): ##STR1## wherein each of R.sub.1 to R.sub.8 is H or an organic radical as described herein and the pharmaceutically acceptable salts thereof have activity as inhibitors of plasminogen activator inhibitor.
    Type: Grant
    Filed: September 24, 1996
    Date of Patent: May 11, 1999
    Assignee: Xenova Limited
    Inventors: Stephen James Brocchini, Justin Stephen Bryans, Adrian John Folkes, Christopher John Latham, Julie Elizabeth Brumwell
  • Patent number: 5900415
    Abstract: This invention encompasses compounds of formula (I) and the pharmaceutically ##STR1## acceptable salts thereof, wherein W,X,Y,A,T,R.sub.1 -R.sub.4,B,Ar,n and m are described herein and are useful in treating feeding disorders and certain cardiovascular diseases due to the binding of these compounds to human Neuropeptide Y1 receptors.
    Type: Grant
    Filed: April 29, 1997
    Date of Patent: May 4, 1999
    Assignee: Pfizer Inc.
    Inventors: John Matthew Peterson, Charles Albert Blum, Guolin Cai, Alan Jeffrey Hutchison
  • Patent number: 5891877
    Abstract: Diketopiperazines of the formula ##STR1## where one or both of R.sub.1 and R.sub.2, which are different, are chosen from X and a phenyl group substituted by X, C(O)X, OC(O)CH.sub.2 X, OCH.sub.2 CH.sub.2 X, CH.sub.2 X, CONH(CH.sub.2).sub.n X, O(CH.sub.2).sub.n CH(OH)(CH.sub.2).sub.n X ##STR2## and, where appropriate, the other of R.sub.1 and R.sub.2 is a phenyl group optionally substituted by one or more groups selected from halogen, nitro, methoxy, NHC(O)R.sub.12, CO.sub.2 H, O(CH.sub.2).sub.n N(R.sub.12 R.sub.13), C.sub.1 -C.sub.4 alkyl and (CH.sub.2).sub.n C(O)OR.sub.12 ; X is a five- or six-membered heterocyclic ring selected from the group consisting of pyridyl, imidazolyl, furyl, pyrrolyl, pyrrolidinyl, thienyl, piperazinyl, piperidinyl, morpholinyl, quinolyl, isoquinotyl and indolyl, the heteroatom(s) of the said heterocyclic ring, when nitrogen, being optionally substituted by hydrogen, methyl, oxygen, tertiary-butyloxycarbonyl, or SO.sub.
    Type: Grant
    Filed: September 25, 1996
    Date of Patent: April 6, 1999
    Assignee: Xenova Limited
    Inventors: Stephen James Brocchini, Justin Stephen Bryans, Adrian John Folkes, Christopher John Latham, Julie Elizabeth Brumwell
  • Patent number: 5877174
    Abstract: The present invention relates to a 2,3-diketopiperazine derivative or a salt thereof, which has inhibitory effect on platelet aggregation because of glycoprotein IIb/IIIa receptor antagonism and hence is useful as a prophylactic and therapeutic agent for diseases associated with platelet aggregation. General formula: ##STR1## wherein R.sup.1 represents a protected or unprotected amidino group; R.sup.2 represents a hydrogen atom or a carboxyl-protecting group; A represents a substituted or unsubstituted lower alkylene group; B represents --O--, --CONH--, --NHCO--or --SO.sub.2 NH--; Y represents a substituted or unsubstituted lower alkylene group; and the broken line represents a single bond or a double bond.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: March 2, 1999
    Assignee: Toyama Chemical Co., Ltd.
    Inventors: Satoshi Ono, Tetsuo Yamafuji, Hirohiko Yamamoto, Hiroyuki Egawa, Yousuke Furuta, Hidetoshi Kaga
  • Patent number: 5798350
    Abstract: Described herein are D4 receptor-selective compounds of the general formula: ##STR1## wherein: A and B are independently selected, optionally substituted, saturated or unsaturated 5- or 6-membered, homo- or heterocyclic rings;X.sub.1 is selected from CH.sub.2, O, NH, S, C.dbd.O, CH--OH, CH--N(C.sub.1-4 alkyl).sub.2, C.dbd.CHCl, C.dbd.CHCN, N--C.sub.1-4 alkyl, N-acetyl, SO.sub.2 and SO;X.sub.2 --is selected from N.dbd., CH.sub.2 --, CH.dbd., C(O)--, O--, and S--;R.sub.1 represents C.sub.1-4 alkyl;Y is selected from CH and N;n is 0, 1 or 2;q is 1 or 2;R.sub.2 is C.sub.1-6 alkyl optionally incorporating a heteroatom selected from N, O and S;D is cyclohexane or benzene; andE is a saturated or unsaturated 5- or 6-membered heterocycle incorporating 1, 2 or 3 heteroatoms selected from O, N, and S, wherein E is optionally substituted with 1 or 2 substituents selected from halogen, C.sub.1-4 alkyl and halogen-substituted C.sub.1-4 alkyl;and acid addition salts, solvates and hydrates thereof.
    Type: Grant
    Filed: May 3, 1996
    Date of Patent: August 25, 1998
    Assignee: Allelix Biopharmaceuticals, Inc.
    Inventors: Ashok Tehim, Jian-Min Fu, Sumanas Rakhit
  • Patent number: 5756505
    Abstract: An N-acylpiperazine derivative or a salt thereof in accordance with the present invention is represented by the following formula 1: ##STR1## wherein R.sub.1 represents a lower alkyl, hydroxy lower alkyl, lower acyl, or arylcarbonyloxy lower alkyl group;R.sub.2 represents hydrogen atom or a lower alkyl, lower alkoxy, lower alkenyl, amino, or nitro group;R.sub.3 and R.sub.4, which are identical to or different from each other, represent hydrogen atoms, halogen atoms, or cyano, nitro, lower alkyl, or lower alkoxy groups; andn represents 0 or 1.The N-acylpiperazine derivative has anti-ulcer effect or an antibacterial activity against Helicobacter pyroli to be available for prevention or cure of ulsers.
    Type: Grant
    Filed: April 1, 1996
    Date of Patent: May 26, 1998
    Assignee: Shiseido Co., Ltd.
    Inventors: Chikao Nishino, Fumitaka Sato, Tomohiro Uetake, Hirotada Fukunishi, Nao Kojima, Koji Kobayashi
  • Patent number: 5753662
    Abstract: A compound selected from those of formula: ##STR1## wherein: A--B, n, D and E are as defined in the specification, their racemic mixtures, and their optical isomers, and also the physiologically tolerable salts thereof with appropriate acids.The products of the invention may be used therapeutically.
    Type: Grant
    Filed: May 30, 1996
    Date of Patent: May 19, 1998
    Assignee: Adir et Compagnie
    Inventors: Jean-Louis Peglion, Aimee Dessinges, Bertrand Goument, Mark Millan, Adrian Newman-Tancredi, Alain Gobert
  • Patent number: 5753660
    Abstract: Selected sulfonylalkanoylamino hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. The present invention relates to such retroviral protease inhibitors and, more particularly, relates to selected novel compounds, composition and method for inhibiting retroviral proteases, such as human immunodeficiency virus (HIV) protease, prophylactically preventing retroviral infection or the spread of a retrovirus, and treatment of a retroviral infection.
    Type: Grant
    Filed: November 13, 1996
    Date of Patent: May 19, 1998
    Assignee: G. D. Searle & Co.
    Inventors: James A. Sikorski, Daniel P. Getman, Gary A. DeCrescenzo, Balekudru Devadas, John N. Freskos, Hwang-Fun Lu, Joseph J. McDonald
  • Patent number: 5753661
    Abstract: Fused benzo compounds of formula I are provided, wherein A is a 2 to 6 membered hydrocarbon spacer group, B is a polar divalent group selected from a group (a); U is C, N or CH; X is a divalent 3-4 membered chain optionally comprising one or more heteroatoms; R.sup.1 is an aliphatic hydrocarbon group, arylalkyl or diphenylalkyl; R.sup.2 and R.sup.3 are hydrogen or alkyl or together form an ethylene or propylene bridge; R.sup.4, R.sup.5 and R.sup.6 are hydrogen or substituents; R.sup.7 and R.sup.8 are hydrogen or substituents including --COOR.sup.9 and --CONR.sup.10 R.sup.11 ; are 5-HT.sub.1A receptor ligands useful in the treatment of CNS disorders. Pharmaceutical compositions comprising the compounds and their use for the manufacture of a pharmaceutical preparation are also provided.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: May 19, 1998
    Assignee: H. Lundbeck A/S
    Inventors: Ejner K. Moltzen, Jens Perregaard, Henrik Pedersen
  • Patent number: 5710149
    Abstract: This invention concerns compounds of formula (I) ##STR1## where A is a C.sub.1 or C.sub.2 alkylene chain optionally substituted by lower alkyl; Z is a bicyclic oxygen-containing aryl radical (e.g. 2,3-dihydro-1,4-benzodioxin-5-yl); R is hydrogen or lower alkyl; R.sup.1 is aryl or aryl(lower)alkyl; R.sup.2 is hydrogen or lower alkyl; and R.sup.3 is hydrogen, an alkyl group of 1 to 10 carbon atoms, cycloalkyl of 3 to 12 carbon atoms; cycloalkyl(lower)alkyl, aryl or aryl(lower)alkyl or R.sup.2 and R.sup.3 together with the nitrogen atom to which they are both attached represent a saturated heterocyclic ring which may contain a further hetero atom, and the pharmaceutically acceptable acid addition salts thereof. The compounds are 5-HT.sub.1A -antagonists which may be used, for example, in treating anxiety.
    Type: Grant
    Filed: October 23, 1996
    Date of Patent: January 20, 1998
    Assignee: John Wyeth & Brother, Ltd.
    Inventor: Ian Anthony Cliffe
  • Patent number: 5684020
    Abstract: A compound selected from those of formula: ##STR1## wherein: A-B, n, D and E are as defined in the specification,their racemic mixtures, and their optical isomers,and also the physiologically tolerable salts thereof with appropriate acids.The products of the invention may be used therapeutically.
    Type: Grant
    Filed: January 30, 1997
    Date of Patent: November 4, 1997
    Assignee: Adir et Compagnie
    Inventors: Jean-Louis Peglion, Aimee Dessinges, Bertrand Goument, Mark Millan, Adrian Newman-Tancredi, Alain Gobert
  • Patent number: 5650412
    Abstract: Compounds of formula ##STR1## are HIV protease inhibitors. These compounds are useful in the prevention or treatment of infection by HIV and in the treatment of AIDS, either as compounds, pharmaceutically acceptable salts, pharmaceutical composition ingredients, whether or not in combination with other antivirals, immunomodulators, antibiotics or vaccines. Methods of treating AIDS and methods of preventing or treating infection by HIV are also described.
    Type: Grant
    Filed: October 26, 1995
    Date of Patent: July 22, 1997
    Assignee: Merck & Co., Inc.
    Inventors: Byeong Moon Kim, Joseph P. Vacca
  • Patent number: 5646149
    Abstract: Compounds having both calcium antagonist and antioxidant activity are disclosed. The compounds are useful in preventing or alleviating damage to tissues at the cellular level. Methods of treatment which employ these properties of the compounds and corresponding pharmaceutical compositions are also disclosed.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: July 8, 1997
    Assignee: Alcon Laboratories, Inc.
    Inventors: Mark R. Hellberg, George Barnes, Robert J. Collier, Jr.
  • Patent number: 5612341
    Abstract: Disclosed herein are derivatives of 4,4'-dimethoxy-5,6,5'6'-bimethylenedioxy 2,2'-dimethoxycarbonyl biphenyl (DDB) which were synthesized and found to have anti-HIV activity. Of the compounds studied, 3,3'-dibromo DDB and 3-bromo-DDB initially exhibited the greatest anti-HIV activity.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 18, 1997
    Assignees: Biotech Research Laboratories, University of North Carolina at Chapel Hill
    Inventors: Kuo-Hsiung Lee, Yoshiki Kashiwada, Lan Xie, Louis M. Cosentino, Mark Manak, Jing-Xi Xie, Yung-Chi Cheng, Robert Kilkulskie
  • Patent number: 5605896
    Abstract: This invention provides bicyclic heterocyclic derivatives and their pharmaceutically acceptable salts useful for the treatment of hypertension, urethral and lower urinary tract contractions, and other disorders. The compounds are also useful for binding .alpha..sub.1 -adrenergic and 5HT.sub.1A serotonergic receptors, in vitro or in vivo.
    Type: Grant
    Filed: August 31, 1994
    Date of Patent: February 25, 1997
    Assignee: Recordati S.A., Chemical and Pharmaceutical Company
    Inventors: Amedeo Leonardi, Gianni Motta, Carlo Riva, Rodolfo Testa
  • Patent number: 5595993
    Abstract: Piperidinyl-substituted cyclohexanes of Formula I have anti-ischemic properties: ##STR1## wherein R=R.sub.1 and is independently H or halogen; or R and R.sub.1 may be taken together to form an --O(CH.sub.2).sub.m O-- (m=1 or 2);X=a phenyl residue;R.sub.2 =R.sub.3 and is independently H or C.sub.1-4 alkyl; andR.sub.4 =phenyl or substituted phenyl wherein the phenyl group is mono-, or di-substituted with groups selected from: F, Cl, I and C.sub.1-4 alkoxy.
    Type: Grant
    Filed: September 14, 1994
    Date of Patent: January 21, 1997
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ronald J. Mattson, John D. Catt
  • Patent number: 5559235
    Abstract: The present invention relates to water soluble, camptothecin derivatives of formula (I), ##STR1## wherein: 1) R.sup.1 and R.sup.2 represent independently, hydrogen, lower alkyl, C.sub.3-7)cycloalkyl, C.sub.3-7)cycloalkyl lower alkyl, lower alkenyl, hydroxy lower alkyl, lower alkoxy lower alkyl;ii) R.sup.1 represents hydrogen, lower alkyl, C.sub.3-7)cycloalkyl, C.sub.3-7)cycloalkyl lower alkyl, lower alkenyl, hydroxy lower alkyl or lower alkoxy lower alkyl, and R.sup.2 represents --COR.sup.3,wherein:R.sup.3 represents hydrogen, lower alkyl, perhalo-lower alkyl, C.sub.3-7)cycloalkyl, C.sub.3-7)cycloalkyl lower alkyl, lower alkenyl, hydroxy lower alkyl, lower alkoxy or lower alkoxy lower alkyl; oriii) R.sup.1 and R.sup.2 taken together with the linking nitrogen form a saturated 3 to 7 atom heterocyclic group of formula (IA) ##STR2## wherein: Y represents O, S, SO, SO.sub.2, CH.sub.2 or NR.sup.4wherein:R.sup.
    Type: Grant
    Filed: June 10, 1994
    Date of Patent: September 24, 1996
    Assignee: Glaxo Wellcome Inc.
    Inventors: Michael J. Luzzio, Jeffrey M. Besterman, Michael G. Evans, Peter L. Myers
  • Patent number: 5538965
    Abstract: Described herein are D4 receptor-selective compounds of the general formula: ##STR1## wherein: A and B are independently selected, optionally substituted, saturated or unsaturated 5- or 6-membered, homo- or heterocyclic rings;X.sub.1 is selected from CH.sub.2, O, NH, S, C.dbd.O, CH--OH, CH--N(C.sub.1-4 alkyl).sub.2, C.dbd.CHCl, C.dbd.CHCN, N-C.sub.1-4 alkyl, N-acetyl, SO.sub.2 and SO;X.sub.2 -- is selected from N.dbd., CH.sub.2 --, CH.dbd., C(O)--, O--, and S--;R.sub.1 represents C.sub.1-4 alkyl;Y is selected from CH and N;n is 0, 1 or 2;q is 1 or 2;R.sub.2 is C.sub.1-6 alkyl optionally incorporating a heteroatom selected from N, O and S;D is cyclohexane or benzene; andE is a saturated or unsaturated 5- or 6-membered heterocycle incorporating 1, 2 or 3 heteroatoms selected from O, N, and S, wherein E is optionally substituted with 1 or 2 substituents selected from halogen, C.sub.1-4 alkyl and halogen-substituted C.sub.1-4 alkyl;and acid addition salts, solvates and hydrates thereof.
    Type: Grant
    Filed: December 12, 1994
    Date of Patent: July 23, 1996
    Assignee: Allelix Biopharmaceuticals Inc.
    Inventors: Ashok Tehim, Jian-Min Fu, Sumanas Rakhit
  • Patent number: 5519023
    Abstract: The invention relates to compounds of the general formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6 and Z are as defined in the description, their optical isomers and their addition salts with a pharmaceutically-acceptable acid or base and medicaments containing the same, useful in the treatment and prevention of stress, anxiety, and related ailments.
    Type: Grant
    Filed: July 2, 1993
    Date of Patent: May 21, 1996
    Assignee: Adir et Compagnie
    Inventors: Marc Payard, Genevieve Baziard-Mouysset, Gilbert De Saqui-Sannes, Beatrice Guardiola, Daniel-Henri Caignard, Pierre Renard, Gerard Adam
  • Patent number: 5506262
    Abstract: Disclosed herein are compounds of structural formula (I) ##STR1## which are useful as cholesterol lowering agents. These compounds are also useful as inhibitors of squalene synthetase, inhibitors of fungal growth, inhibitors of farnesyl-protein transferase and farnesylation of the oncogene protein Ras. These compounds are also useful in the treatment of cancer.
    Type: Grant
    Filed: November 10, 1993
    Date of Patent: April 9, 1996
    Assignee: Merck & Co., Inc.
    Inventors: Robert M. Burk, William H. Parsons, John J. Acton, III, Gregory D. Berger, Tesfaye Biftu, Robert L. Bugianesi, Yuan-Ching P. Chiang, Claude Dufresne, Narindar N. Girotra, Robert W. Marquis, Jr., Chan-Hwa Kuo, Sandra P. Plevyak, Mitree M. Ponpipom, Lori L. Whiting, James D. Bergstrom, Conrad Santini
  • Patent number: 5504087
    Abstract: A hypotensive agent and antiglaucoma agent which comprise a compound represented by the following formula: ##STR1## (wherein R.sub.1 is hydrogen, or a lower alkyl or lower alkoxy group; R.sub.2 is an isopropylamino, tert-butylamino, 2-(2-methoxyphenyl)ethyl-1-amino, 4-(2-methoxyphenyl)!-1-piperazinyl or 4-piperonyl-1-piperazinyl group, provided however that in the case of R.sub.1 being hydrogen, R.sub.2 is neither isopropylamino nor tert-butylamino group) or its pharmacologically acceptable salt.
    Type: Grant
    Filed: February 8, 1994
    Date of Patent: April 2, 1996
    Assignee: Senju Pharmaceutical Co., Ltd.
    Inventors: Kazumi Ogata, Takahiro Sakaue, Yuuichi Isowaki, Takaaki Deguchi
  • Patent number: 5478828
    Abstract: Novel piperazinyl- and piperidinyl-cyclohexanols are useful as anxiolytic agents and have other psychotropic properties.
    Type: Grant
    Filed: January 24, 1995
    Date of Patent: December 26, 1995
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ronald J. Mattson, John D. Catt
  • Patent number: 5464834
    Abstract: New N-substituted N'-heterobicyclic piperazines corresponding to the general formula I: ##STR1## wherein: R represents: ##STR2## D represents a single bond, except when R represents naphthyl, or a hydrocarbon chain having 1 to 8 carbon atoms inclusive which is straight-chain or branched by a gem-dimethyl; andA-B represents: --(CH.sub.2).sub.2 --O--, --(CH.sub.2).sub.3 --O--, or --CO--CH.dbd.CH--,as well as their possible stereoisomers, epimers, and pharmaceutically-acceptable acid addition salts thereof; and medicinal products containing the same, useful in the treatment of a disorder requiring a 5-HT.sub.1A receptor antagonist.
    Type: Grant
    Filed: June 11, 1993
    Date of Patent: November 7, 1995
    Assignee: Adir et Compagnie
    Inventors: Jean-Louis Peglion, Bertrand Goument, Mark Millan, Jean-Michel Rivet
  • Patent number: 5439909
    Abstract: A compound of formula (I): ##STR1## wherein: X represents O, S or H.sub.2,R and R' each represents hydrogen or together form a bond,R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as defined in the description.useful in the treatment or prevention of disorders involving oxidative processes.
    Type: Grant
    Filed: June 14, 1994
    Date of Patent: August 8, 1995
    Assignee: Adir et Compagnie
    Inventors: Gerald Guillaumet, Gerard Coudert, Valerie Thiery, Gerard Adam, Jean-Guy Bizot-Espiard, Bruno Pfeiffer, Pierre Renard
  • Patent number: 5430033
    Abstract: Piperazine derivatives of formula I ##STR1## and their pharmaceutically acceptable acid addition salts are 5-HT.sub.1A binding agents, particularly 5-HT.sub.1A antagonists and may be used, for example, as anxiolytics. In the formula R is hydrogen or one or two lower alkyl groups, R.sup.1 is a mono of bicyclic aryl or heteroaryl radical, R.sup.2 is aryl and A is a C.sub.2-5 alkylene chain optionally substituted by lower alkyl.
    Type: Grant
    Filed: April 22, 1994
    Date of Patent: July 4, 1995
    Assignee: John Wyeth & Brother Ltd.
    Inventors: Ian A. Cliffe, Anderson D. Ifill, Howard L. Mansell, Terence J. Ward, Alan C. White
  • Patent number: 5424313
    Abstract: The invention relates to new compositions with pyschotropic activity which comprise a compound of formula 1 of the formula sheet as the active substance. The compounds of formula 1 are for the greater part new compounds. The invention therefore also relates to these new compounds and to the preparation thereof in a manner known for the synthesis of analogous compounds.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: June 13, 1995
    Assignee: Duphar International Research B.V.
    Inventors: Jan Hartog, Berend Olivier, Ineke Van Wijngaarden, Cornelis G. Kruse, Johannes A. M. Van Der Heyden, Dirkje A. Van Dalen-Van Der AA
  • Patent number: 5420132
    Abstract: A compound of formula (I): ##STR1## wherein: X represents O, S or H.sub.2,R and R' each represents hydrogen or together form a bond,R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as defined in the description.useful in the treatment or prevention of disorders involving oxidative processes.
    Type: Grant
    Filed: May 6, 1994
    Date of Patent: May 30, 1995
    Assignee: Adir et Compagnie
    Inventors: Gerald Guillaumet, Gerard Coudert, Valerie Thiery, Gerard Adam, Jean-Guy Bizot-Espiard, Bruno Pfeiffer, Pierre Renard
  • Patent number: 5420273
    Abstract: The invention relates to compounds of the formula ##STR1## wherein R.sup.1 is hydrogen, acyl, lower-alkyl or --CHO, --CH.sub.2 OR.sup.10, --COR.sup.7 or OR.sup.13 ; R.sup.2, R.sup.3 and R.sup.4 are, independently, hydrogen, lower-alkyl, lower-alkoxy or halogen; R.sup.5 and R.sup.6 are, independently, hydrogen or lower-alkyl; R.sup.7 is hydroxy, lower-alkoxy or NR.sup.8 R.sup.9 ; R.sup.8 and R.sup.9 are, independently, hydrogen or lower-alkyl; X and Y are, independently, >CR.sup.14 R.sup.15, --O--, --S--, >SO, >SO.sub.2 or >NR.sup.18 ; R.sup.10 and R.sup.18 are, independently, hydrogen, lower-alkyl or acyl; M is --C(R.sup.11).dbd.C(R.sup.12)--, --CONH-- or --NH--CO--; R.sup.11, R.sup.12, R.sup.14 and R.sup.15 are, independently, hydrogen or lower-alkyl, R.sup.
    Type: Grant
    Filed: December 23, 1993
    Date of Patent: May 30, 1995
    Assignee: Hoffman-La Roche Inc.
    Inventors: Michael Klaus, Peter Mohr, Ekkehard Weiss
  • Patent number: 5387593
    Abstract: Novel piperazinyl- and piperidinyl-cyclohexanols of the following formula are useful as anxiolytic agents and have other psychotropic properties ##STR1##
    Type: Grant
    Filed: February 17, 1994
    Date of Patent: February 7, 1995
    Assignee: Briston-Myers Squibb
    Inventors: Ronald J. Mattson, John D. Catt
  • Patent number: 5382583
    Abstract: Piperazine derivatives of formula: ##STR1## and their pharmaceutically acceptable acid addition salts are disclosed. In the formula, n is 1 or 2; R and R.sup.5 are hydrogen or lower alkyl, R.sup.1 is substituted or unsubstituted aryl or a heteroaromatic radical; R.sup.3 is substituted or unsubstituted aryl or substituted or unsubstituted arylalkyl; R.sup.9 is hydrogen, alkyl, cycloalkyl, cycloalkylalkyl or substituted or unsubstituted arylalkyl with the proviso that when R.sup.9 is hydrogen, alkyl, or arylalkyl, R.sup.5 is other than a tertiary alkyl group. The compounds of this invention are useful 5-HT.sub.1A antagonists for the treatment of CNS disorders such as anxiety.
    Type: Grant
    Filed: December 29, 1992
    Date of Patent: January 17, 1995
    Assignee: John Wyeth & Brother, Limited
    Inventor: Ian A. Cliffe