At Least Three Cyclos In The Polycyclo Ring System Patents (Class 514/224.5)
  • 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
  • Patent number: 6348460
    Abstract: A 1,2,3-thiadiazole derivative represented by general formula (I): [wherein R1 is hydrogen atom, halogen atom, (C1-C6) alkyl, phenyl, etc., R2 is the following group (A) or group (B): (wherein R3 is halogen atom, cyano, etc., R4 is hydrogen atom, halogen atom, cyano, etc., X and Y, same or different, are oxygen atom or sulfur atom, n is 0-3, R5 is hydrogen atom, (C1-C20) alkyl, etc., R6 is (C1-C20) alkyl, (C2-C20) alkenyl, etc., and m is 0-2)]; a plant disease controller containing said compound as active ingredient; and a method for using said controller.
    Type: Grant
    Filed: November 10, 1999
    Date of Patent: February 19, 2002
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Kenji Tsubata, Takashi Shimaoka, Tateki Nishida, Kazuhiro Takagi, Koji Baba, Sohkichi Tajima
  • 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
  • Patent number: 6331538
    Abstract: The invention is a series of 7-substituted quinazolin-2,4-diones useful as antibacterial agents, processes for the preparation of the compounds, and a pharmaceutical composition containing one or more of the compounds.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: December 18, 2001
    Assignee: Warner-Lambert Company
    Inventors: John Michael Domagala, Edmund Lee Ellsworth, Liren Huang, Thomas Eric Renau, Rajeshwar Singh, Michael Andrew Stier
  • Patent number: 6306437
    Abstract: Psychogenic impotence can be ameliorated without substantial undesirable side effects by administration of apomorphine and an antiemetic agent in an amount sufficient to substantially reduce nausea symptoms associated with the use of apomorphine.
    Type: Grant
    Filed: June 29, 2000
    Date of Patent: October 23, 2001
    Assignee: Pentech Pharmaceuticals, Inc.
    Inventors: Ragab El-Rashidy, Bruce Ronsen
  • 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: 6235731
    Abstract: A novel compound of the formula: wherein ring Q is an optionally substituted pyridine ring; One of R0, R1 and R2 is —Y0—Z0, and the other tow groups are a hydrogen, a halogen, an optionally substituted hydroxy group, a hydrocarbon group that may be an optionally substituted hydrocarbon group or an acyl group; Y0 is a bond or an optionally substituted bivalent hydrocarbon group; Z0 is a basic group which may be bonded via oxygen, nitrogen, —CO—, —CS—, —SO2N(R3)— (where R3 is hydrogen or an optionally substituted hydrocarbon group), or S(O)n (wherein n is to 0, 1 or 2); ......... is a single bond or a double bond, or a salt thereof, which has an excellent LDL receptor up-regulating, blood-lipids lowering, blood-sugar lowering and diabetic complication-ameliorating activity.
    Type: Grant
    Filed: October 8, 1998
    Date of Patent: May 22, 2001
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yumiko Shibouta, Yasuo Sugiyama, Tetsuji Kawamoto, Muneo Takatani
  • Patent number: 6218373
    Abstract: A method of treating a disease of condition administering topically to the skin or exposed tissue of a human, a dosage amount of a pharmaceutical composition, said dosage comprising a therapeutically effective amount of a drug to treat said disease or condition and a form of hyaluronic acid characterized in that the composition is immediately available to transport the drug percutaneously into the epidermis of the skin or exposed tissue to the site of trauma or pathology of the disease or condition to be treated.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: April 17, 2001
    Assignee: Hyal Pharmaceutical Corporation
    Inventors: Rudolf Edger Falk, Samuel Simon Asculai, David Hochman, Don Purschke, Ehud Shmuel Klein, David William Harper
  • Patent number: 6187786
    Abstract: This invention concerns compounds of formula the pharmaceutically acceptable acid addition salts and the stereochemically isomeric forms thereof, wherein the dotted line represents an optional bond; X is oxygen or sulfur; —A— is a bivalent radical of formula; R1 and R2 each independently are hydrogen, hydroxy, halo, cyano, C1-6alkyl, trihalomethyl, trihalomethoxy, C2-6alkenyl, C1-6alkyloxy, hydroxyC1-6alkyloxy, C1-6alkyloxyC1-6alkyloxy, C1-6alkyloxycarbonyl, aminoC1-6alkyloxy, mono- or di(C1-6alkyl)aminoC1-6alkyloxy, Ar, Ar—C1-6alkyl, Ar-oxy, Ar—C1-6alkyloxy; or when on adjacent positions R1 and R2 taken together may form a bivalent radical; R3 and R4 each independently are hydrogen, halo, cyano, C1-6alkyl, C1-6alkyloxy, Ar-oxy, C1-6alkylthio, di(C1-6alkyl)amino, trihalomethyl, trihalomethoxy, or when on adjacent positions R3 and R4 taken together may form a bivalent radical; R5 is an imidazolyl substituted with hydrogen or C1-6alkyl; R6 hydrogen, hydroxy, halo, cyano
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: February 13, 2001
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Marc Gaston Venet, Patrick René Angibaud, Yannick Aimé Eddy Ligny, Virginie Sophie Poncelet, Gerard Charles Sanz