Polycyclo Ring System Having The Hetero Ring As One Of The Cyclos Patents (Class 514/96)
  • Patent number: 4962096
    Abstract: A novel glycerol derivative which is effective to reduce blood pressure has the formula: ##STR1## wherein R.sup.1 is an alkyl group having 10-22 carbon atoms, R.sup.2 is lower acyl, benzoyl, aryl, mono-, di- or triarylalkyl, alkyl, cycloalkyl, or cycloalkylalkyl; Q is substituted or unsubstituted alkylene containing 1-4 carbon atoms, l is 0 or 1; Y is a nitrogen-containing heterocyclic group or a nitrogen-containing bridged heterocyclic group (--(Q).sub.l -- is attached to a carbon atom contained in a hetero-ring of the heterocyclic group) in which Y is the bridged heterocyclic group where l is 0; and each of R.sup.5, R.sup.6 and R.sup.7 is hydrogen, lower alkyl, aryl or aralkyl.
    Type: Grant
    Filed: March 24, 1988
    Date of Patent: October 9, 1990
    Assignee: Nippon Chemiphar Co., Ltd.
    Inventors: Mitsuo Masaki, Hiromitsu Takeda, Toshiro Kamishiro, Masao Yamamoto
  • Patent number: 4897402
    Abstract: Novel HMG-CoA reductase inhibitors are useful as antihypercholesterolemic agents and are represented by stuctural formulae (I) and (II): ##STR1## wherein A is O, S(O).sub.n or N--R.sub.13.
    Type: Grant
    Filed: June 29, 1988
    Date of Patent: January 30, 1990
    Assignee: Merck & Co., Inc.
    Inventors: Mark E. Duggan, George D. Hartman
  • Patent number: 4857513
    Abstract: A compound of the formula: ##STR1## wherein R.sup.1 --A-- is a group of the formula: ##STR2## in which R.sup.1 is aryl or a heterocyclic group, each of which may be substituted with substituent(s) selected from the group consisting of lower alkyl, lower alkoxy, lower alkylthio, halo(lower)alkyl, acyl, acylamino and halogen, or lower alkyl which may be substituted with a heterocyclic group optionally substituted with acyl, andX is O or S, andR.sup.2 is hydrogen or lower alkyl, provided that when R.sup.1 is lower alkyl, thenR.sup.1 --A-- is a group of the formula: ##STR3## in which R.sup.1 and X are each as defined above, and pharmaceutically acceptable salts thereof, processes for the preparation thereof and pharmaceutical composition comprising the same.
    Type: Grant
    Filed: April 24, 1987
    Date of Patent: August 15, 1989
    Assignee: Fujisiwa Pharmaceutical Co., Ltd.
    Inventors: Teruo Oku, Eishiro Todo, Chiyoshi Kasahara, Katsuya Nakamura, Hiroshi Kayakiri, Masashi Hashimoto
  • Patent number: 4777163
    Abstract: The present invention produces alkyldiphosphonic acid derivative of the general formula: ##STR1## wherein Het is a heteroaromatic five-membered ring containing to 3 heteroatoms which can be partly hydrogenated and optionally substituted one or more times by alkyl, alkoxy, phenyl, cyclohexyl, cyclohexylmethyl, halogen or amino, and two adjacent alkyl substituents can together also form a ring, Y is a hydrogen atom or a lower alkyl radical, X is a hydrogen atom, a hydroxyl group or an amino group optionally substituted by lower alkyl and R is a hydrogen atom or a lower alkyl radical, with the proviso that Het is not a pyrazole ring; as well as the pharmacologically acceptable salts thereof.
    Type: Grant
    Filed: July 24, 1987
    Date of Patent: October 11, 1988
    Assignee: Boehringer Mannheim GmbH
    Inventors: Elmar Bosies, Rudi Gall
  • Patent number: 4748160
    Abstract: There are described compounds of formula I,ZCHRCON(--N.dbd.CR.sub.4 R.sub.5)CHR.sub.6 (CH.sub.2).sub.n COY Iwhere the substituents are defined in the disclosure.There are also described methods for making the compounds, formulations containing them and their use, e.g. as antihypertensives.
    Type: Grant
    Filed: November 14, 1985
    Date of Patent: May 31, 1988
    Assignee: Fisons plc
    Inventors: Colin Bennion, David P. Marriott, Anthony R. Cook, David H. Robinson
  • Patent number: 4722933
    Abstract: The invention provides compounds represented by the general formula ##STR1## where R.sub.2, R.sub.3 and R.sub.4 are each selected from the group consisting of H, and OA; A is H or ##STR2## R.sub.5 is selected from the group consisting of alkyl and aromatic residues; n is 2 or 3; and R.sub.1 is selected from the group consisting ##STR3## wherein R.sub.6 is selected from the group consisting of halogen, hydrocarbyl and hetero atom-substituted hydrocarbyl, comprising from 1 to 12 carbon atoms and wherein said hetero-atoms are selected from the group consisting of halogen, nitrogen, oxygen, sulfur and phosphorus; R.sub.7 is R.sub.6 or H and m equals 1, 2 or 3; with the proviso that at least one of R.sub.2, R.sub.3 and R.sub.4 is H, that at least one of R.sub.2, R.sub.3 and R.sub.4 is not H and that R.sub.2 and R.sub.4 are not both OA; and pharmaceutically-acceptable salts thereof. The compounds are dopamine receptor agonists and useful for the treatment of glaucoma in mammals.
    Type: Grant
    Filed: March 17, 1986
    Date of Patent: February 2, 1988
    Assignee: Nelson Research & Development Co.
    Inventor: Alan S. Horn
  • Patent number: 4535075
    Abstract: Dithiolane derivatives represented by the formula (I): ##STR1## wherein R.sup.1 is an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, a benzyl group or an alkoxyalkyl group and R.sup.2 is a cyano group, an alkylcarbonyl group, a benzylcarbonyl group, a phenylcarbonyl group, an alkoxycarbonyl group, a cycloalkyloxycarbonyl group, a benzyloxycarbonyl group, an alkenyloxycarbonyl group, an alkynyloxycarbonyl group or an alkoxyalkoxycarbonyl group,and an organic acid ester thereof; process for producing the same; and pharmaceutical composition for controlling liver diseases of human beings and animals containing the same.
    Type: Grant
    Filed: June 22, 1983
    Date of Patent: August 13, 1985
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Hitoshi Kurono, Kuniaki Taninaka, Tatsuyoshi Sugimoto, Minoru Katoh
  • Patent number: RE32418
    Abstract: Novel alkoxy or alkylthio substituted(((phenyl)amino)carbonyl)-benzamides are disclosed. The compounds of the instant invention are useful as insecticides and can be formulated to provide insecticidal compositions.
    Type: Grant
    Filed: February 10, 1981
    Date of Patent: May 12, 1987
    Assignee: The Dow Chemical Company
    Inventor: Raymond H. Rigterink