Polycyclo Ring System Having The Six-membered Hetero Ring As One Of The Cyclos Patents (Class 544/14)
  • Publication number: 20040092513
    Abstract: The present invention relates to acylated, heteroaryl-condensed cycloalkenylamines, to pharmaceutical compositions comprising such compounds, to methods for the stimulation of the expression of endothelial NO synthase, and methods of treatment comprising administering such compounds.
    Type: Application
    Filed: July 31, 2003
    Publication date: May 13, 2004
    Applicant: AVENTIS PHARMA DEUTSCHLAND GMBH
    Inventors: Hartmut Strobel, Paulus Wohlfart
  • Publication number: 20040092503
    Abstract: The present invention relates to methods of treatment of certain metabolic diseases, and to novel compounds and their prodrugs, and/or pharmaceutically acceptable salts, pharmaceutical compositions containing such compounds useful in treating such diseases. In particular, this invention relates to the use of novel compounds and compositions for treatment of cardiovascular diseases, diabetes, cancers, acidosis, and obesity through the inhibition of malonyl-CoA decarboxylase (MCD). These compounds have the formulae (I) and (II), wherein Y, C, R1, R2, R6, and R7 are defined herein.
    Type: Application
    Filed: August 19, 2003
    Publication date: May 13, 2004
    Inventors: Thomas Arrhenius, Jie Fei Cheng, Mark E Wilson, Rossy Serafimov
  • Publication number: 20040077631
    Abstract: The invention relates to the mesylates of a group of piperazine derivatives and to a process for the preparation of these mesylates in an economic way in the high yield and of high purity. According to the process of the invention the synthesis of the piperazine ring and the mesylate formation are combined in a single reaction step. The invention relates to the mesylate of compounds of the formula (I) wherein X is a bicyclic heterocyclic phenyl group and Y is methyl, ethyl (optionally substituted with fluorine), cycloalkyl (3-7C) methyl, benzyl or m-phenyl benzyl.
    Type: Application
    Filed: August 15, 2003
    Publication date: April 22, 2004
    Inventors: Marcel P.M. van Aar, Stefanus J. Schouten, Jan Zorgdrager, Michiel C. Heslinga
  • Patent number: 6720316
    Abstract: The present invention provides compounds of Formula (I) wherein R1, R2, R3, R4, R5, R6, R7, R8 and Z have any of the values defined in the specification, as well as pharmaceutical compositions comprising the compounds. The invention also provides therapeutic methods as well as processes and intermediates useful for preparing compounds of Formula (I). The compounds are 5-HT ligands, and are useful for treating diseases whereas modulation of 5-HT activity is desired.
    Type: Grant
    Filed: August 2, 2002
    Date of Patent: April 13, 2004
    Assignee: Pharmacia & Upjohn Company
    Inventor: William W. McWhorter, Jr.
  • Patent number: 6713471
    Abstract: The present invention is directed to certain novel compounds represented by structural Formula (I) or pharmaceutically acceptable salt forms thereof, wherein R1, R5, R6a, R6b, R7, R8, R9, X, b, k, m, and n, and the dashed lines are described herein. The invention is also concerned with pharmaceutical formulations comprising these novel compounds as active ingredients and the use of the novel compounds and their formulations in the treatment of certain disorders. The compounds of this invention are serotonin agonists and antagonists and are useful in the control or prevention of central nervous system disorders including obesity, anxiety, depression, psychosis, schizophrenia, sleep disorders, sexual disorders, migraine, conditions associated with cephalic pain, social phobias, and gastrointestinal disorders such as dysfunction of the gastrointestinal tract motility.
    Type: Grant
    Filed: June 15, 2000
    Date of Patent: March 30, 2004
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventors: Albert J. Robichaud, Taekyu Lee, Wei Deng, Ian S. Mitchell, Simon Haydar, Wenting Chen, Christopher D. Mc Clung, Emilie J. B. Calvello, David M. Zawrotny
  • Publication number: 20040010140
    Abstract: A method of synthesis of a bicyclic or polycyclic compound of formula (I) or formula (II) in which: E represents an electrophile; each of R, R1, R2, R3, R6, R7, R8, R9 and X independently represents the common organic substituent groups defined in claim 1; Y represents C(r12)R13, O, NR14, or S; Z represents O, NR15, S or CR16W; G represents W or X; W represents an electron withdrawing group; X has the same definition as R, and W═W; and each of n and m represents an integer from 0 to 100. The method comprises the steps of (a) activating a compound of formula (III); 8b) subjecting a compound of formula (IV) to nucleophilic addition with the activated form of compound III; (c) subjecting the product of step (b) to ring closing metathesis; and (d) subjecting the product of step (c) to stereoselective ring closure. The methods of invention are useful in the synthesis of candidate pharmaceutical agents or intermediates in drugs synthesis.
    Type: Application
    Filed: April 25, 2003
    Publication date: January 15, 2004
    Inventors: Patrick Perlmutter, Mark Rose, Neeranat Thienthong
  • Publication number: 20040006075
    Abstract: Compounds of formula I, their tautomeric and isomeric forms and salts, 1
    Type: Application
    Filed: July 23, 2003
    Publication date: January 8, 2004
    Inventors: Hartmut Rehwinkel, Peter Hoelscher, Stefan Jaroch, Detley Suelzle, Margrit Hillmann, Gerardine Anne Burton, Fiona Macdougall
  • Publication number: 20030225069
    Abstract: The present invention relates to a group of aza-anthrapyrazole compounds having antitumor activity, and processes for their preparation. Compositions containing the aza-anthrapyrazole compounds and methods of treating tumors and cancer in mammals with the compounds of the present invention are also disclosed.
    Type: Application
    Filed: March 12, 2002
    Publication date: December 4, 2003
    Inventor: Simon N. Haydar
  • Publication number: 20030212054
    Abstract: The present application describes substituted-aminomethyl substituted compounds and derivatives thereof, or pharmaceutically acceptable salt forms thereof, which are useful as inhibitors of factor Xa.
    Type: Application
    Filed: November 26, 2002
    Publication date: November 13, 2003
    Inventors: Mimi L. Quan, Ruth R. Wexler
  • Patent number: 6638934
    Abstract: The present invention is directed to novel compounds represented by structural Formulas (I) and (I-a): or a pharmaceutically acceptable salt thereof, wherein R1, R4a, R4b, R5, R6, R7, R8, R9, n, and X are described herein. The invention is also concerned with pharmaceutical formulations comprising these novel compounds as active ingredients and the use of the novel compounds and their formulations in the treatment of certain disorders. The compounds of this invention are serotonin agonists and antagonists and are useful in the control or prevention of central nervous system disorders including obesity, anxiety, depression, psychosis, schizophrenia, sleep and sexual disorders, migraine and other conditions associated with cephalic pain, social phobias, and gastrointestinal disorders such as dysfunction of the gastrointestinal tract motility.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: October 28, 2003
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventors: Albert Robichaud, Ian S. Mitchell, Taekyu Lee, Wenting Chen
  • Publication number: 20030191116
    Abstract: Compounds of formula (I) and their pharmaceutically acceptable salts are ligands at gastrin and/or cholecystokinin receptors.
    Type: Application
    Filed: April 10, 2003
    Publication date: October 9, 2003
    Inventors: Sarkis Barret Kalindjian, Ildiko Maria Buck, Caroline Minli Rachel Low, Matthew John Tozer
  • Publication number: 20030176422
    Abstract: Pyridoarylphenyl oxazolidinone compounds of the formula: 1
    Type: Application
    Filed: February 6, 2002
    Publication date: September 18, 2003
    Inventors: Steven D. Paget, Michele A. Weidner-Wells, Harvey M. Werblood
  • Publication number: 20030171366
    Abstract: Bicyclic heterocyclic substituted phenyl oxazolidinone compounds of the formula: 1
    Type: Application
    Filed: January 10, 2002
    Publication date: September 11, 2003
    Inventors: Steven Paget, Dennis Hlasta
  • Publication number: 20030166640
    Abstract: Conformationally constrained compounds which mimic the secondary structure of reverse-turn regions of biologically active peptides and proteins having the following structure are disclosed: 1
    Type: Application
    Filed: May 16, 2002
    Publication date: September 4, 2003
    Applicant: Molecumetics, Ltd.
    Inventors: Jan Urban, Hiroshi Nakanishi, Min S. Lee
  • Publication number: 20030166641
    Abstract: The present invention relates to novel &bgr;-carboline derivatives of the general formula 1
    Type: Application
    Filed: October 1, 2002
    Publication date: September 4, 2003
    Inventors: Zhihua Sui, Mark J. Macielag
  • Publication number: 20030144276
    Abstract: Described is a heterocycle-containing carboxylic acid derivative represented by the following formula (I): 1
    Type: Application
    Filed: January 6, 2003
    Publication date: July 31, 2003
    Applicant: Eisai Co. Ltd.
    Inventors: Kouichi Kikuchi, Katsuya Tagami, Hiroyuki Yoshimura, Shigeki Hibi, Mitsuo Nagai, Shinya Abe, Makoto Okita, Takayuki Hida, Seiko Higashi, Naoki Tokuhara, Seiichi Kobayashi
  • Publication number: 20030130257
    Abstract: The present application describes to novel bicyclic hydroxamates derivatives of formula I: 1
    Type: Application
    Filed: August 15, 2002
    Publication date: July 10, 2003
    Inventors: James E. Sheppeck, Jingwu Duan
  • Publication number: 20030119752
    Abstract: The present invention relates to peptidomimetic compounds which inhibit serine protease activity, particularly the activity of hepatitis C virus NS3-NS4A protease. As such, they act by interfering with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The compounds of this invention have a bridged bicyclic moiety at the P2 position. The invention further relates to compositions comprising these compounds either for ex vivo use or for administration to a patient suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a patient by administering a composition comprising a compound of this invention.
    Type: Application
    Filed: July 11, 2002
    Publication date: June 26, 2003
    Inventors: Luc J. Farmer, Janos Pitlik, Robert B. Perni, Lawrence F. Courtney, John van Drie
  • Publication number: 20030105088
    Abstract: This invention relates to new compounds, pharmaceutical compositions and diagnostic kits comprising such compounds, and methods of using such compounds for inhibiting NAALADase enzyme activity, detecting diseases where NAALADase levels are altered, effecting neuronal activity, effecting TGF-&bgr; activity, inhibiting angiogenesis, and treating glutamate abnormalities, diabetic neuropathy, pain, compulsive disorders, prostate diseases, cancers and glaucoma.
    Type: Application
    Filed: January 17, 2002
    Publication date: June 5, 2003
    Applicant: GUILFORD PHARMACEUTICALS INC.
    Inventors: Takashi Tsukamoto, Pavel Majer, Doris Stoermer, Barbara S. Slusher
  • Publication number: 20030100552
    Abstract: Compounds of formula (I) 1
    Type: Application
    Filed: May 8, 2002
    Publication date: May 29, 2003
    Applicant: Boehringer Ingelheim Pharma KG
    Inventors: Angelo Ceci, Klaus Klinder, Thomas Weiser, Karin Winter
  • Publication number: 20030096804
    Abstract: This invention relates generally to a novel class of bicyclic heterocyclic compounds of the Formula (I): 1
    Type: Application
    Filed: May 22, 2002
    Publication date: May 22, 2003
    Inventors: Irina C. Jacobson, Mimi L. Quan, Yun-Long Li, Ruth R. Wexler, Patrick Y.S. Lam
  • Publication number: 20030091505
    Abstract: The present invention provides compounds of Formula (I): 1
    Type: Application
    Filed: October 15, 2002
    Publication date: May 15, 2003
    Inventor: Jian-Min Fu
  • Publication number: 20030092676
    Abstract: 1
    Type: Application
    Filed: May 21, 2002
    Publication date: May 15, 2003
    Inventors: Rima Salim Al-Awar, Kyle Andrew Hecker, Jianping Huang, Sajan Joseph, James Edward Ray, Philip Parker Waid
  • Publication number: 20030087897
    Abstract: This invention relates to new compounds, pharmaceutical compositions and diagnostic kits comprising such compounds, and methods of using such compounds for inhibiting NAALADase enzyme activity, detecting diseases where NAALADase levels are altered, effecting neuronal activity, effecting TGF-&bgr; activity, inhibiting angiogenesis, and treating glutamate abnormalities, neuropathy, pain, compulsive disorders, prostate diseases, cancers and glaucoma.
    Type: Application
    Filed: May 10, 2002
    Publication date: May 8, 2003
    Inventors: Takashi Tsukamoto, Pavel Majer, Bunda Hin, Weizheng Xu, Qun Liu, Doris Stoermer
  • Publication number: 20030087883
    Abstract: The present invention provides compounds of Formula (I): 1
    Type: Application
    Filed: September 19, 2002
    Publication date: May 8, 2003
    Inventor: Jian-Min Fu
  • Publication number: 20030064962
    Abstract: The present invention relates generally to a novel class of pyrimidinones of Formula (I): 1
    Type: Application
    Filed: December 12, 2001
    Publication date: April 3, 2003
    Inventors: Peter William Glunz, Brent Dale Douty, Wei Han
  • Publication number: 20030055050
    Abstract: CRF receptor antagonists are disclosed which have utility in the treatment of a variety of disorders, including the treatment of disorders manifesting hypersecretion of CRF in a warm-blooded animals, such as stroke.
    Type: Application
    Filed: April 11, 2002
    Publication date: March 20, 2003
    Applicant: Neurocrine Biosciences, Inc.
    Inventors: Mustapha Haddach, John Patrick Williams, Dragan Marinkovic, Jane Han Bu
  • Publication number: 20030050300
    Abstract: The present invention provides compounds of Formula (I): 1
    Type: Application
    Filed: August 2, 2002
    Publication date: March 13, 2003
    Inventor: William W. McWhorter
  • Patent number: 6528648
    Abstract: The present invention provides a novel detecting reagent for double-stranded nucleic acid, and a method of using it to detect double-stranded nucleic acid formed by hybridization with a probe, with absolutely no labeling of the target nucleic acid. The detecting reagent for double-stranded nucleic acid of the invention is characterized by comprising, in the same molecule, a naphthalenediimide group which is intercalatable into double-stranded nucleic acid and a &bgr;-diketone group capable of forming a lanthanoid metal complex.
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: March 4, 2003
    Assignee: Waseda University and Riken
    Inventors: Kazuko Matsumoto, Takahiko Nojima, Hideo Tashiro, Yasumitsu Kondoh, Shigeori Takenaka
  • Patent number: 6525045
    Abstract: The present invention relates to new positive allosteric AMPA receptor modulators of general formula (I) wherein R1, R2 R3, R4, R5 and R6 may have the meanings indicated in the specification and claims, processes for preparing them and their use as pharmaceutical compositions.
    Type: Grant
    Filed: January 31, 2001
    Date of Patent: February 25, 2003
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Karin Winter, Thomas Weiser, Stefan M. Blech, Angelo Ceci
  • Publication number: 20030028013
    Abstract: Conformationally restricted 2′, 4′-bridged nucleoside analogues are described herein. The compounds can be prepared by cyclization at C2′ and C4′ of nucleosides through a linker or linking molecule. These novel nucleosides have a desired, locked sugar pucker and are potentially useful as pharmaceutical ingredients, and especially for use in treatment of HCV.
    Type: Application
    Filed: April 30, 2002
    Publication date: February 6, 2003
    Inventors: Guangyi Wang, Zhi Hong, Haoyun An
  • Patent number: 6515123
    Abstract: The invention is directed to carbamate group containing non chloranil based triphendioxazine compounds useful as pigments which are readily convertible into the corresponding triphendioxazine pigments without carbamate.
    Type: Grant
    Filed: February 9, 2001
    Date of Patent: February 4, 2003
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bansi Lal Kaul, Bruno Piastra, Pascal Steffanut
  • Publication number: 20030023085
    Abstract: Compounds, compositions and methods are provided that are useful in the treatment and/or prevention of a condition or disorder mediated by a G-protein coupled receptor. In particular, the compounds of the invention are useful in the treatment and/or prevention of eating disorders, obesity, anxiety disorders and mood disorders.
    Type: Application
    Filed: May 3, 2002
    Publication date: January 30, 2003
    Applicant: Tularik Inc.
    Inventors: Xiaoqi Chen, Kang Dai, Pingchen Fan, Shugui Huang, Leping Li, Jeffrey Thomas Mihalic
  • Publication number: 20030008866
    Abstract: New bicyclic based compounds, compositions and methods of inhibiting the activity of glycogen synthase kinase (GSK3) in vitro and of treatment of GSK3 mediated disorders in vivo are provided. The methods, compounds and compositions of the invention may be employed alone, or in combination with other pharmacologically active agents in the treatment of disorders mediated by GSK3 activity, such as in the treatment of diabetes, Alzheimer's disease and other neurodegenerative disorders, obesity, atherosclerotic cardiovascular disease, essential hypertension, polycystic ovary syndrome, syndrome X, ischemia, traumatic brain injury, bipolar disorder, immunodeficiency or cancer.
    Type: Application
    Filed: August 26, 2002
    Publication date: January 9, 2003
    Applicant: Chiron Corporation
    Inventors: John M. Nuss, Xiaohui A. Zhou
  • Patent number: 6476021
    Abstract: Novel fused tetracyclic heterocyclic compounds having a potent and highly selective effect of inhibiting cyclic GMP phosphodiesterase (cGMP-PDE) and a high safety; a process for producing the same; drugs characterized by containing at least one of these compounds as the active ingredient, in particular, preventives and/or remedies for pulmonary hypertension, ischemic heart diseases, erectile insufficiency, female sexual dysfunction or diseases against which cGMP-PDE inhibitory effects are efficacious and intermediates useful in producing the above compounds.
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: November 5, 2002
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Masayuki Ohashi, Hidemitsu Nishida, Toshiyuki Shudo
  • Publication number: 20020156050
    Abstract: A compound of formula I: 1
    Type: Application
    Filed: April 1, 2002
    Publication date: October 24, 2002
    Applicant: Guilford Pharmaceuticals Inc.
    Inventors: Jia-He Li, Jie Zhang
  • Publication number: 20020151544
    Abstract: The present invention provides a pharmaceutical composition which is useful as a phosphatidylinositol 3 kinase (PI3K) inhibitor and an antitumor agent, and it provides a novel bicyclic or tricyclic fused heteroaryl derivative or a salt thereof which possesses an excellent PI3K inhibiting activity and cancer cell growth inhibiting activity.
    Type: Application
    Filed: April 26, 2001
    Publication date: October 17, 2002
    Inventors: Masahiko Hayakawa, Hiroyuki Kaizawa, Hiroyuki Moritomo, Ken-Ichi Kawaguchi, Tomonobu Koizumi, Mayumi Yamano, Koyo Matsuda, Minoru Okada, Mitsuaki Ohta
  • Patent number: 6416762
    Abstract: The present invention provides structure-based combinatorial libraries of compounds containing the functional group minima of picornaviruses including poliovirus and rhinovirus. The libraries can be used to screen for therapeutical antiviral compounds, e.g., anti-picornaviral capsid-binding compounds.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: July 9, 2002
    Assignee: President and Fellows of Harvard College
    Inventors: Diane M. Joseph-McCarthy, Lyle D. Isaacs, George M. Whitesides, Martin Karplus, James M. Hogle, James Li-wen Cheh
  • Patent number: 6350743
    Abstract: Shermilamine D, a novel cytotoxic pyridoacridine alkaloid of Formula 1, has been isolated from the tunicate Cystodytes violatinctus. The structure of the compound has been established on the basis of 1-D and 2-D NMR data.
    Type: Grant
    Filed: February 22, 2001
    Date of Patent: February 26, 2002
    Assignee: Instituto Biomar, S.A.
    Inventors: Yoel Kashman, Ganit Koren-Goldshlager, Maurice Aknin, Dolores Garcia Gravalos
  • Publication number: 20020019386
    Abstract: Compounds of formula (I) and pharmaceutically acceptable salts thereof, and the use of a compound of formula (I) or a pharmaceutically acceptable salt thereof:
    Type: Application
    Filed: August 27, 2001
    Publication date: February 14, 2002
    Applicant: SmithKline Beecham p.l.c.
    Inventors: Francis David King, Laramie Mary Gaster, Keith Raymond Mulholland
  • Publication number: 20020013336
    Abstract: 1
    Type: Application
    Filed: June 7, 2001
    Publication date: January 31, 2002
    Inventors: Dan Peters, Mette Gronborg, Arne Moller
  • Publication number: 20020013313
    Abstract: The present invention relates to new positive allosteric AMPA receptor modulators of general formula (I) 1
    Type: Application
    Filed: January 31, 2001
    Publication date: January 31, 2002
    Inventors: Karin Winter, Thomas Weiser, Stefan M. Blech, Angelo Ceci
  • Publication number: 20020010189
    Abstract: The present invention relates to novel &bgr;-carboline derivatives of the general formula 1
    Type: Application
    Filed: May 2, 2001
    Publication date: January 24, 2002
    Inventors: Zhihua Sui, Mark J. Macielag
  • Publication number: 20020007059
    Abstract: Compounds of formula I 1
    Type: Application
    Filed: February 7, 2001
    Publication date: January 17, 2002
    Inventors: Irene Drizin, Robert J. Altenbach, William A. Carroll
  • Patent number: 6306884
    Abstract: This invention is directed to benzamidine derivatives which are useful as anti-coagulants. This invention is also directed to pharmaceutical compositions containing the compounds of the invention, and methods of using the compounds to treat disease-states characterized by thrombotic activity.
    Type: Grant
    Filed: November 8, 1999
    Date of Patent: October 23, 2001
    Assignee: Berlex Laboratories, Inc.
    Inventors: Brad O. Buckman, David D. Davey, William J. Guilford, Michael M. Morrissey, Howard P. Ng, Gary B. Phillips, Shung C. Wu, Wei Xu
  • Patent number: 6281355
    Abstract: A nitrogen-containing tetracyclic compound represented by the formula: wherein Y1—Y2—Y3 is N—C═N or a group represented by the formula: C═C—NR3 (wherein R3 is a hydrogen atom, a C1-5 alkyl group or a nitrogen-containing C2-10 alkyl group), Y4 is S, SO, SO2, CH2 or a group represented by the formula: NR4 (wherein R4 is a C1-5 alkanoyl group or a C1-5 alkyl group), R1 and R2 are the same or different, and are each a hydrogen atom, a C1-10 alkyl group, a C3-15 alkoxyalkyl group or a C3-15 alkylaminoalkyl group, or R1 and R2 taken together with the nitrogen atom to which they are attached form a cyclic amino group, X1 and X2 are the same or different, and are each a hydrogen atom, a C1-5 alkyl group, a C1-5 alkoxy group or a halogen atom, and n is 0, 1 or 2; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: August 28, 2001
    Assignees: Taisho Pharmaceutical Co., Ltd., Nihon Nohyaku Co., Ltd.
    Inventors: Atsuro Nakazato, Taketoshi Okubo, Toshihito Kumagai, Shigeyuki Chaki, Kazuyuki Tomisawa, Masashi Nagamine, Makoto Gotoh, Kuniaki Kondoh, Masanori Yoshida
  • Patent number: 6162915
    Abstract: Chlorosulfonyl substituted aromatic heterocyclic compounds, such as 2-chlorosulfonyl[1,2,4]triazolo[1,5-c]pyrimidine compounds, were prepared in good yield by chloroxidation of di(aromatic heterocyclyl) disulfide compounds in a medium containing water, a water-immiscible organic solvent, and a phase transfer catalyst, such at tetrabutylammonium chloride.
    Type: Grant
    Filed: June 25, 1998
    Date of Patent: December 19, 2000
    Assignee: Dow AgroSciences LLC
    Inventors: Douglas L. Pearson, Jimmy J. Tai, Timothy J. Adaway
  • Patent number: 6071905
    Abstract: Biologically active substance on the basis of tetracyclicnitrogen heterocycles of pyrimidine row for treating tuberculosis, mycobacteriousis, viral diseases, infections caused by chlamydias, and also diseases which are accompanied by immunodeficiency, in particular malignant neoplasm, has high antimicrobial activity, in particular to strains of mycobacteria which are resistant to the prototype-isoniazid, and simultaneously possess antiviral activity (relative to herpes simplex viruses), antichylamidial activity and also stimulate production of endogenic interferons in organisms.It represents a derivative of 5-oxo-5H-[1]-benzopyrano-[5,6-b]-4-oxo-4H-[1,2]-pyrimido-1,4,5,6-tetrahydr o-1,3-thiazine (1) of general formula(1). ##STR1## (I-X) where: R1-H or halogen; R2-H, or halogen, or nitro-group, or hydroxy-group or methoxy-group.
    Type: Grant
    Filed: March 17, 1998
    Date of Patent: June 6, 2000
    Assignee: Natural Drug Sciences, LLC
    Inventors: Konstantin Andreevich Krasnov, Rimma Iliinichna Ashkinazi
  • Patent number: 5985871
    Abstract: Compounds having a certain benzoxazine ring system and their precursors are disclosed which are useful for enhancing synaptic responses mediated by AMPA receptors. Also disclosed are methods for preparing such compounds, and methods for their use in treating subjects suffering from impaired nervous or intellectual functioning due to deficiencies in the number of excitatory synapses or in the number of AMPA receptors. The invention compounds can also be used for the treatment of non-impaired subjects for enhancing performance in sensory-motor and cognitive tasks which depend on brain networks utilizing AMPA receptors and for improving memory encoding.
    Type: Grant
    Filed: December 24, 1997
    Date of Patent: November 16, 1999
    Assignee: Cortex Pharmaceuticals, Inc.
    Inventors: Gary A. Rogers, Christopher Marrs
  • Patent number: 5952335
    Abstract: Novel fused polycyclic heterocycle derivatives having excellent antitumor effects and a process for producing the same. A compound represented by the following general formula (I) or pharmacologically acceptable salts thereof: ##STR1## wherein the ring A represents an optionally substituted monocyclic aromatic ring or a dicyclic fused ring in which at least one of the rings is an aromatic ring; the ring B represents pyrrole, 4H-1,4-oxazine, 4H-1,4-thiazine or 4(1H)-pyridone; the ring C represents an optionally substituted, monocyclic or dicyclic fused aromatic ring; and Y represents a group represented by the formula --e--f (wherein e represents a lower alkylene; and f represents amidino, guanidino or amino optionally substituted by optionally hydroxylated or optionally lower-alkylaminated lower alkyl;provided that the cases where the rings A and B are both optionally substituted monocyclic aromatic rings are excluded. Which has an excellent antitumor activity.
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: September 14, 1999
    Assignee: Eisai Co., Ltd.
    Inventors: Hiroyuki Sugumi, Jun Niijima, Yoshihiko Kotake, Toshimi Okada, Jun-ichi Kamata, Kentaro Yoshimatsu, Takeshi Nagasu, Katsuji Nakamura, Toshimitsu Uenaka, Atsumi Yamaguchi, Hiroshi Yoshino, Nozomu Koyanagi, Kyosuke Kito