Polycyclo Ring System Having Oxazine Ring As At Least One Of The Cyclos Patents (Class 544/73)
  • Patent number: 4687770
    Abstract: This invention relates to novel isoxazolo-pyrido-benzoxazine and isothiazolo-pyrido-benzoxazine derivatives having antibacterial properties.
    Type: Grant
    Filed: October 15, 1986
    Date of Patent: August 18, 1987
    Assignee: Abbott Laboratories
    Inventor: Daniel T. Chu
  • Patent number: 4645765
    Abstract: New tetracyclo compounds of the formula: ##STR1## in which R.sup.1 is formyl, protected formyl, hydroxymethyl, protected hydroxymethyl, arylaminomethyl, carboxy, protected carboxy or substituted iminomethyl,R.sup.2 is hydroxy, alkoxy or protected hydroxy,R.sup.3 is hydrogen and R.sup.4 is methyl, hydroxymethyl or protected hydroxymethyl, orR.sup.3 and R.sup.4 are combined together to form methylene or oxo,R.sup.5 is hydroxy, alkoxy or protected hydroxy, andR.sup.6 is hydrogen, imino-protective group or alkyl,and pharmaceutically acceptable salts thereof, which have pharmacological activities such as antitumor activity, antimicrobial activity, and the like, and a process for their production and a pharmaceutical composition containing the same.
    Type: Grant
    Filed: June 11, 1985
    Date of Patent: February 24, 1987
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Masanobu Kohsaka, Hiroshi Terano, Tadaaki Komori, Morita Iwami, Michio Yamashita, Masashi Hashimoto, Itsuo Uchida, Shigehiro Takase
  • Patent number: 4607032
    Abstract: Quino-benoxazine compounds having the formula: ##STR1## wherein R.sub.2 is one or more substituents, R.sub.1 is a hydrogen or a carboxy-protecting group and Z is an amine group or an aliphatic heterocyclic group. The compounds have antibacterial activity.
    Type: Grant
    Filed: April 26, 1984
    Date of Patent: August 19, 1986
    Assignee: Abbott Laboratories
    Inventor: Daniel T. Chu
  • Patent number: 4596874
    Abstract: A nitrone is synthesized from a secondary amine by reacting a compound represented by the following general formula ##STR1## wherein R.sup.1 and R.sup.2 mean individually a hydrogen atom or an alkyl or aryl group and R.sup.3 denotes an alkyl or aryl group with a peroxide in the presence of a catalyst selected from the group consisting of tungsten compounds, molybdenum compounds, vanadium compounds, titanium compounds, palladium compounds, rhodium compounds, ruthenium compounds and nickel compounds. This process provides the nitrone by one-step oxidation of the secondary amine.
    Type: Grant
    Filed: March 8, 1984
    Date of Patent: June 24, 1986
    Assignee: The President of Osaka University
    Inventors: Shun-Ichi Murahashi, Hitoshi Mitsui
  • Patent number: 4552876
    Abstract: Compounds of the formula: ##STR1## wherein, R is H, alkyl, cycloalkyl, aryl, or heteroaryl;R.sub.1 is H, alkyl, cycloalkyl, aryl, heteroaryl, substituted heteroaryl, aralkyl, substituted aryl, halo, OR.sup.2, SR.sup.2, NR.sub.2, CF.sub.3, NO.sub.2, CN, COOR.sup.2, CHO, SO.sub.3 H or SO.sub.2 NH.sub.2,whereinR.sup.2 is H, methyl, ethyl or propyl;Y is ##STR2## Z is O, S, NH or CH.sub.2 ; X is --CH.sub.2 --, ##STR3## or --(CH.sub.2).sub.n CHOH(CH.sub.2).sub.n --; whereinR.sup.2 is H, methyl, ethyl or propyl;n is 1-10, and pharmaceutically acceptable salts thereof have antiallergy and antiinflammatory activity.
    Type: Grant
    Filed: July 9, 1984
    Date of Patent: November 12, 1985
    Assignee: USV Pharmaceutical Corp.
    Inventors: Howard Jones, Ernest Magnien, John H. Musser, Mujahid L. Shaikh
  • Patent number: 4540691
    Abstract: Compounds are disclosed having the formula: ##STR1## wherein: R.sub.1 is H, OH, --OCH.sub.3, --CH.sub.2 OH, --NH.sub.2, --NHMe, --NHEt, --NMe.sub.2, --NEt.sub.2, ##STR2## R.sub.2 is H, --CH.sub.3, or ##STR3## R.sub.3 is phenyl, benzyl, or 1-4 carbon alkyl; R.sub.4 is H, --CH.sub.3, --CH.sub.2 OH, --CH.sub.2 --CN, --CH.sub.2 --S--Me, CH.sub.2 --S--CN, or ##STR4## R.sub.5 is H, 1-4 carbon alkyl, alkenyl, or alkynyl, or aralkyl having a 1-4 carbon alkylene moiety; and A is --CH.sub.2 --or --CH.sub.2 CH.sub.2 --, and pharmaceutically-acceptable salts thereof. Pharmaceutical preparations using these compounds and a method for inducing a dopaminergic response by administering these compounds are also disclosed.
    Type: Grant
    Filed: April 13, 1984
    Date of Patent: September 10, 1985
    Assignee: Nelson Research & Development Co.
    Inventor: Alan S. Horn
  • Patent number: 4493836
    Abstract: Novel derivatives of 9-oxalysergic acid of the formula ##STR1## wherein R is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.1 is selected from the group consisting of hydrogen, chlorine and bromine, R.sub.2 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms, aralkyl of 7 to 12 carbon atoms and cycloalkylalkyl of 4 to 7 carbon atoms, R.sub.3 is selected from the group consisting of --CH.sub.2 OH, alkylthiomethyl with 1 to 4 alkyl carbon atoms, --CH.sub.2 CN, --COOH, --COOAlk and ##STR2## Alk is alkyl of 1 to 5 carbon atoms, R.sub.4 is selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms, R.sub.5 is alkyl of 1 to 5 carbon atoms or R.sub.4 and R.sub.
    Type: Grant
    Filed: May 10, 1983
    Date of Patent: January 15, 1985
    Assignee: Roussel Uclaf
    Inventors: Lucien Nedelec, Andre Pierdet, Patrick Fauveau
  • Patent number: 4460607
    Abstract: The invention relates to alkylurea derivatives of Formula (I), as defined in the specification, which alkylurea derivatives are useful as hypolipaemic agents. Also included in the invention are methods for the manufacture of said alkylurea derivatives compositions and medicaments containing said alkylurea derivatives and methods for the use of said alkylurea derivatives.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: July 17, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Joachim Kabbe, Hans-Peter Krause, Rudiger Sitt
  • Patent number: 4436920
    Abstract: Recording members having excellent light resistance are obtained by using as a dye precursor specific diarylaminofluoran compounds.
    Type: Grant
    Filed: March 11, 1982
    Date of Patent: March 13, 1984
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kozo Sato, Ken Iwakura, Akira Igarashi
  • Patent number: 4412071
    Abstract: The present invention provides novel antiatherosclerotic furobenzoxazinones, e.g., 4,9-dimethoxy-4H-furo[3,2-g][1,3]benzoxazin-4-ones. These compounds are structurally and pharmacologically related to khellin and are useful antiatherosclerotic agents.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: October 25, 1983
    Assignee: The Upjohn Company
    Inventor: Ronald B. Gammill
  • Patent number: 4382892
    Abstract: Pyrido[1,2,3-de][1,4]benzoxazine derivatives are described having the formula (I) ##STR1## wherein X is a halogen atom, R is a hydrogen atom or an alkyl group of 1 to 6 carbon atoms and Z represents mono-substituted, di-substituted or cyclic-substituted amino group which may contain a hetero atom and may have a substituent such as hydroxyl, alkyl having 1 to 6 carbon atoms, amino, hydroxyalkyl having 1 to 6 carbon atoms or mono- or di-alkylamino having 1 to 6 carbon atoms in each alkyl moiety and the pharmaceutically acceptable salt thereof, having antibacterial activity.
    Type: Grant
    Filed: September 2, 1981
    Date of Patent: May 10, 1983
    Assignee: Daiichi Seiyaku Co., Ltd.
    Inventors: Isao Hayakawa, Tokiyuki Hiramitsu, Yoshiaki Tanaka
  • Patent number: 4242499
    Abstract: Poly(organophosphazenes) with chromphoric substituents and method of preparation. Products are useful to add color to polyphosphazene polymers to produce food colorants, colored films, colored fibers and similar products.
    Type: Grant
    Filed: July 27, 1979
    Date of Patent: December 30, 1980
    Assignee: The Firestone Tire & Rubber Company
    Inventors: Harry R. Allcock, Karen M. Kosydar, Sarah D. Wright
  • Patent number: 4065471
    Abstract: N-(4-Amino-2-butynyl)imides are prepared from N-propargylimides, paraformaldehyde and the appropriate secondary amine. The compounds are useful as stimulants or depressants of the central nervous system.
    Type: Grant
    Filed: September 14, 1970
    Date of Patent: December 27, 1977
    Assignee: Sterling Drug Inc.
    Inventor: William B. Dickinson
  • Patent number: 4059580
    Abstract: Novel, sulphonated polybenz-1,3-oxazin-2,4-diones are produced by reacting polybenzoxazin diones with chlorosulphonic acid in a molar ratio of from 1:1 to 1:10.
    Type: Grant
    Filed: August 10, 1976
    Date of Patent: November 22, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Elfert, Jurgen Hinz, Rudolf Binsack