Plural Ring Chalcogens In The Bicyclo Ring System Patents (Class 544/377)
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Patent number: 6251906Abstract: The present invention discloses novel compounds, compositions, and methods for inhibiting retroviral proteases and in particular for inhibiting human immunodeficiency virus (HIV) protease. The present invention also relates to compositions and methods for treating a retroviral infection and in particular an HIV infection, and to processes for making such compounds and synthetic intermediates employed in these processes.Type: GrantFiled: May 10, 1999Date of Patent: June 26, 2001Assignee: Abbott LaboratoriesInventors: Xiaoqi Chen, Dale J. Kempf, Daniel W. Norbeck
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Patent number: 6232314Abstract: 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: GrantFiled: March 18, 1999Date of Patent: May 15, 2001Assignee: Monash UniversityInventors: Bevyn Jarrott, Philip Mark Beart, William Roy Jackson, Vijaya Bhaskar Kenche, Alan Duncan Robertson, Maree Patricia Collis
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Patent number: 6225312Abstract: 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: GrantFiled: March 4, 1999Date of Patent: May 1, 2001Assignee: Duphar International Research B.V.Inventors: Roelof Willem Feenstra, Cornelis Gerrit Kruse, Martinus Theodorus Maria Tulp, Wilma Kuipers, Stephen Kenneth Long
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Patent number: 6194448Abstract: 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: GrantFiled: October 14, 1999Date of Patent: February 27, 2001Assignee: Texas Biotechnology CorporationInventors: 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
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Patent number: 6177566Abstract: 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: GrantFiled: June 30, 1999Date of Patent: January 23, 2001Assignee: Neurogen CorporationInventors: Jennifer N. Tran, Andrew Thurkauf
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Patent number: 6153611Abstract: 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: GrantFiled: June 25, 1993Date of Patent: November 28, 2000Assignee: Bristol-Myers Squibb CompanyInventors: Ronald J. Mattson, John D. Catt
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Patent number: 6153613Abstract: 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: GrantFiled: October 29, 1998Date of Patent: November 28, 2000Assignee: Toyoma Chemical Co., Ltd.Inventors: Satoshi Ono, Tetsuo Yamafuji, Hirohiko Yamamoto, Hiroyuki Egawa, Yousuke Furuta, Hidetoshi Kaga
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Patent number: 6140331Type: GrantFiled: December 24, 1997Date of Patent: October 31, 2000Assignee: H. Lundbeck A/SInventors: Ejner K. Moltzen, Jens Perregaard, Henrik Pedersen
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Aryl- and hetaryl-sulfonamide derivatives, their preparation and their use as endothelin antagonists
Patent number: 6133442Abstract: 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: GrantFiled: March 5, 1999Date of Patent: October 17, 2000Assignee: 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: 6133263Abstract: 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 levType: GrantFiled: August 3, 1998Date of Patent: October 17, 2000Assignee: Warner-Lambert CompanyInventors: Xue-Min Cheng, Annette Marian Doherty, William Chester Patt, Joseph Thomas Repine
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Patent number: 6130222Abstract: 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: GrantFiled: April 24, 1997Date of Patent: October 10, 2000Assignee: Astra Pharma Inc.Inventors: Edward Roberts, Niklas Plobeck, Claes Wahlestedt
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Patent number: 6080860Abstract: 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: GrantFiled: September 29, 1997Date of Patent: June 27, 2000Assignee: Brantford Chemicalss Inc.Inventors: Khashayar Karimian, Keshava Murthy, Darren Hall
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Patent number: 6060487Abstract: 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: GrantFiled: March 22, 1999Date of Patent: May 9, 2000Assignee: Adir et CompagnieInventors: Jean-Louis Peglion, Bertrand Goument, Mark Millan, Adrian Newman-Tancredi, Anne Dekeyne
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Patent number: 5998414Abstract: 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: GrantFiled: August 8, 1997Date of Patent: December 7, 1999Assignee: Hoechst Marion Roussel, Inc.Inventors: Xin Wang, Jian-min Fu, Adi M. Treasurywala
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Patent number: 5977111Abstract: 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: GrantFiled: June 21, 1996Date of Patent: November 2, 1999Assignee: Suntory LimitedInventors: Akira Mizuno, Makoto Shibata, Tomoe Iwamori, Norio Inomata
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Patent number: 5962456Abstract: 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: GrantFiled: September 29, 1997Date of Patent: October 5, 1999Assignee: Shiseido Co., Ltd.Inventors: Chikao Nishino, Fumitaka Sato, Hirotada Fukunishi
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Aryl- and hetaryl-sulfonamide derivatives, their preparation and their use as endothelin antagonists
Patent number: 5962682Abstract: 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: GrantFiled: August 18, 1997Date of Patent: October 5, 1999Assignee: 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: 5958927Abstract: 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: GrantFiled: October 2, 1998Date of Patent: September 28, 1999Assignee: Adir et CompagnieInventors: Jean-Louis Peglion, Bertrand Goument, Mark Millan, Adrian Newman-Tancredi, Anne Dekeyne
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Patent number: 5935958Abstract: 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: GrantFiled: June 26, 1997Date of Patent: August 10, 1999Assignee: Schering CorporationInventors: Joseph A. Kozlowski, Derek B. Lowe, Wei K. Chang, Sundeep Dugar
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Patent number: 5919931Abstract: 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: GrantFiled: April 4, 1996Date of Patent: July 6, 1999Assignee: Brantford Chemicals Inc.Inventors: K. S. Keshava Murthy, Gamini Weeratunga, Tianhao Zhou, Bhaskar Reddy Guntoori
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Patent number: 5902812Abstract: 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: GrantFiled: September 24, 1996Date of Patent: May 11, 1999Assignee: Xenova LimitedInventors: Stephen James Brocchini, Justin Stephen Bryans, Adrian John Folkes, Christopher John Latham, Julie Elizabeth Brumwell
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Patent number: 5900415Abstract: 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: GrantFiled: April 29, 1997Date of Patent: May 4, 1999Assignee: Pfizer Inc.Inventors: John Matthew Peterson, Charles Albert Blum, Guolin Cai, Alan Jeffrey Hutchison
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Patent number: 5891877Abstract: 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: GrantFiled: September 25, 1996Date of Patent: April 6, 1999Assignee: Xenova LimitedInventors: Stephen James Brocchini, Justin Stephen Bryans, Adrian John Folkes, Christopher John Latham, Julie Elizabeth Brumwell
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Patent number: 5877174Abstract: 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: GrantFiled: May 30, 1997Date of Patent: March 2, 1999Assignee: Toyama Chemical Co., Ltd.Inventors: Satoshi Ono, Tetsuo Yamafuji, Hirohiko Yamamoto, Hiroyuki Egawa, Yousuke Furuta, Hidetoshi Kaga
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Patent number: 5798350Abstract: 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: GrantFiled: May 3, 1996Date of Patent: August 25, 1998Assignee: Allelix Biopharmaceuticals, Inc.Inventors: Ashok Tehim, Jian-Min Fu, Sumanas Rakhit
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Patent number: 5756505Abstract: 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: GrantFiled: April 1, 1996Date of Patent: May 26, 1998Assignee: Shiseido Co., Ltd.Inventors: Chikao Nishino, Fumitaka Sato, Tomohiro Uetake, Hirotada Fukunishi, Nao Kojima, Koji Kobayashi
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Patent number: 5753660Abstract: 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: GrantFiled: November 13, 1996Date of Patent: May 19, 1998Assignee: 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
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Patent number: 5753662Abstract: 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: GrantFiled: May 30, 1996Date of Patent: May 19, 1998Assignee: Adir et CompagnieInventors: Jean-Louis Peglion, Aimee Dessinges, Bertrand Goument, Mark Millan, Adrian Newman-Tancredi, Alain Gobert
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Patent number: 5753661Abstract: 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: GrantFiled: June 6, 1995Date of Patent: May 19, 1998Assignee: H. Lundbeck A/SInventors: Ejner K. Moltzen, Jens Perregaard, Henrik Pedersen
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Patent number: 5710149Abstract: 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: GrantFiled: October 23, 1996Date of Patent: January 20, 1998Assignee: John Wyeth & Brother, Ltd.Inventor: Ian Anthony Cliffe
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Patent number: 5684020Abstract: 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: GrantFiled: January 30, 1997Date of Patent: November 4, 1997Assignee: Adir et CompagnieInventors: Jean-Louis Peglion, Aimee Dessinges, Bertrand Goument, Mark Millan, Adrian Newman-Tancredi, Alain Gobert
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Patent number: 5650412Abstract: 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: GrantFiled: October 26, 1995Date of Patent: July 22, 1997Assignee: Merck & Co., Inc.Inventors: Byeong Moon Kim, Joseph P. Vacca
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Patent number: 5646149Abstract: 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: GrantFiled: June 7, 1995Date of Patent: July 8, 1997Assignee: Alcon Laboratories, Inc.Inventors: Mark R. Hellberg, George Barnes, Robert J. Collier, Jr.
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Patent number: 5612341Abstract: 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: GrantFiled: June 7, 1995Date of Patent: March 18, 1997Assignees: Biotech Research Laboratories, University of North Carolina at Chapel HillInventors: Kuo-Hsiung Lee, Yoshiki Kashiwada, Lan Xie, Louis M. Cosentino, Mark Manak, Jing-Xi Xie, Yung-Chi Cheng, Robert Kilkulskie
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Patent number: 5605896Abstract: 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: GrantFiled: August 31, 1994Date of Patent: February 25, 1997Assignee: Recordati S.A., Chemical and Pharmaceutical CompanyInventors: Amedeo Leonardi, Gianni Motta, Carlo Riva, Rodolfo Testa
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Patent number: 5595993Abstract: 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: GrantFiled: September 14, 1994Date of Patent: January 21, 1997Assignee: Bristol-Myers Squibb CompanyInventors: Ronald J. Mattson, John D. Catt
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Patent number: 5559235Abstract: 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: GrantFiled: June 10, 1994Date of Patent: September 24, 1996Assignee: Glaxo Wellcome Inc.Inventors: Michael J. Luzzio, Jeffrey M. Besterman, Michael G. Evans, Peter L. Myers
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Patent number: 5538965Abstract: 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: GrantFiled: December 12, 1994Date of Patent: July 23, 1996Assignee: Allelix Biopharmaceuticals Inc.Inventors: Ashok Tehim, Jian-Min Fu, Sumanas Rakhit
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Patent number: 5519023Abstract: 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: GrantFiled: July 2, 1993Date of Patent: May 21, 1996Assignee: Adir et CompagnieInventors: Marc Payard, Genevieve Baziard-Mouysset, Gilbert De Saqui-Sannes, Beatrice Guardiola, Daniel-Henri Caignard, Pierre Renard, Gerard Adam
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Patent number: 5506262Abstract: 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: GrantFiled: November 10, 1993Date of Patent: April 9, 1996Assignee: 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
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Patent number: 5504087Abstract: 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: GrantFiled: February 8, 1994Date of Patent: April 2, 1996Assignee: Senju Pharmaceutical Co., Ltd.Inventors: Kazumi Ogata, Takahiro Sakaue, Yuuichi Isowaki, Takaaki Deguchi
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Patent number: 5478828Abstract: Novel piperazinyl- and piperidinyl-cyclohexanols are useful as anxiolytic agents and have other psychotropic properties.Type: GrantFiled: January 24, 1995Date of Patent: December 26, 1995Assignee: Bristol-Myers Squibb CompanyInventors: Ronald J. Mattson, John D. Catt
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Patent number: 5464834Abstract: 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: GrantFiled: June 11, 1993Date of Patent: November 7, 1995Assignee: Adir et CompagnieInventors: Jean-Louis Peglion, Bertrand Goument, Mark Millan, Jean-Michel Rivet
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Patent number: 5439909Abstract: 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: GrantFiled: June 14, 1994Date of Patent: August 8, 1995Assignee: Adir et CompagnieInventors: Gerald Guillaumet, Gerard Coudert, Valerie Thiery, Gerard Adam, Jean-Guy Bizot-Espiard, Bruno Pfeiffer, Pierre Renard
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Patent number: 5430033Abstract: 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: GrantFiled: April 22, 1994Date of Patent: July 4, 1995Assignee: John Wyeth & Brother Ltd.Inventors: Ian A. Cliffe, Anderson D. Ifill, Howard L. Mansell, Terence J. Ward, Alan C. White
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Patent number: 5424313Abstract: 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: GrantFiled: October 12, 1993Date of Patent: June 13, 1995Assignee: 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
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Patent number: 5420273Abstract: 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: GrantFiled: December 23, 1993Date of Patent: May 30, 1995Assignee: Hoffman-La Roche Inc.Inventors: Michael Klaus, Peter Mohr, Ekkehard Weiss
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Patent number: 5420132Abstract: 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: GrantFiled: May 6, 1994Date of Patent: May 30, 1995Assignee: Adir et CompagnieInventors: Gerald Guillaumet, Gerard Coudert, Valerie Thiery, Gerard Adam, Jean-Guy Bizot-Espiard, Bruno Pfeiffer, Pierre Renard
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Patent number: 5387593Abstract: Novel piperazinyl- and piperidinyl-cyclohexanols of the following formula are useful as anxiolytic agents and have other psychotropic properties ##STR1##Type: GrantFiled: February 17, 1994Date of Patent: February 7, 1995Assignee: Briston-Myers SquibbInventors: Ronald J. Mattson, John D. Catt
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Patent number: 5382583Abstract: 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: GrantFiled: December 29, 1992Date of Patent: January 17, 1995Assignee: John Wyeth & Brother, LimitedInventor: Ian A. Cliffe