Bicyclo Ring System Having The Hetero Ring As One Of The Cyclos Patents (Class 549/49)
  • Patent number: 4328168
    Abstract: This invention provides a convenient and commercially adaptable process for the preparation of vinylcyclopropane derivatives in high yield. For the process an alkylating agent and activated methylene compound are reacted in the presence of a cyclic polyether compound and alkali metal compound. Water can also be present and/or the reaction may be carried out in an inert organic diluent.
    Type: Grant
    Filed: October 27, 1980
    Date of Patent: May 4, 1982
    Assignee: Emery Industries, Inc.
    Inventor: Richard G. Fayter, Jr.
  • Patent number: 4310657
    Abstract: Compositions of oxidizable organic materials having stabilizing amounts of polymeric monohydroxybenzenoid hydroquinoid antioxidants of from about 500 to about 10,000 molecular weight, and the said polymers which are the reaction products of an alpha, alpha' alkyl aromatic compound containing a benzenoid ring, a hydroquinone compound and a monohydroxy benzenoid compound.
    Type: Grant
    Filed: June 25, 1979
    Date of Patent: January 12, 1982
    Assignee: Standard Oil Company (Indiana)
    Inventor: Carl Serres, Jr.
  • Patent number: 4282227
    Abstract: 3,4-Dihydroxyphenyltetrahydrothieno[2,3-c] or [3,2-c] pyridines are prepared by cyclization of a N-thienylmethyl-2-(3',4'-dimethoxyphenyl)-ethanolamine. These compounds have renal vasodilating activity. A species is 4-(3,4-dihydroxyphenyl)-1,2,3,4-tetrahydrothieno[2,3-c]pyridine and its pharmaceutically acceptable acid addition salts or esters.
    Type: Grant
    Filed: May 22, 1980
    Date of Patent: August 4, 1981
    Assignee: SmithKline Corporation
    Inventor: L. Martin Brenner
  • Patent number: 4252739
    Abstract: This invention provides a convenient and commercially adaptable process for the preparation of vinylcyclopropane derivatives in high yields. The process involves reacting an alkylating agent and an activated methylene compound in the presence of an onium compound, an alkali metal compound and water, which while only necessary in trace amounts can be present in substantial quantities.
    Type: Grant
    Filed: August 20, 1979
    Date of Patent: February 24, 1981
    Assignee: Emery Industries, Inc.
    Inventors: Richard G. Fayter, Jr., John F. White, Eugene G. Harris
  • Patent number: 4250294
    Abstract: A polymer having aromatic or heterocyclic rings as the only structural elements said aromatic or heterocyclic rings containing at least two nitro groups is disclosed as well as a method of preparing the same. The polymers are useful as binding agents for thermo stable propellants and can be easily formed into films. They remain thermally stable up to temperatures of at least 200.degree. C.
    Type: Grant
    Filed: November 22, 1978
    Date of Patent: February 10, 1981
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Rainer Hagel, Klaus Redecker
  • Patent number: 4249014
    Abstract: Compounds having the formula ##STR1## wherein R.sub.1 and R.sub.2 are alkyl having one to 4 carbon atoms, allyl or ##STR2## is pyrrolidino, piperidino, perhydroazepino or morpholino, RX is an inorganic acid, organic acid or an alkyl bromide or iodide, m is 3 or 4, and n is zero or one. The compounds are prepared by (1) reacting benzothienyl-lithium with ##STR3## followed by hydrolysis, or (2) when the substituent is located at the 2 position of the benzothienyl group, by reacting benzothiophene with ##STR4## followed by reaction with ##STR5## The compounds possess bloodplaque aggregation, spasmolytic, analgesic, anti-inflammatory and coronary, cerebral and peripheral vaso-dilatory properties.
    Type: Grant
    Filed: September 19, 1979
    Date of Patent: February 3, 1981
    Assignee: Innothera
    Inventors: Max F. Robba, Michel Aurousseau
  • Patent number: 4242508
    Abstract: Bicyclic prostaglandins and pharmaceutical and veterinary compositions containing them having numerous pharmaceutical or veterinary utilities including, for example, hypotensive, vasodilatory, antiaggregating, luteolytic, and cytoprotective activities. Processes for preparing the compounds and compositions are also disclosed.
    Type: Grant
    Filed: April 13, 1979
    Date of Patent: December 30, 1980
    Assignee: Farmitalia Carlo Erba S.p.A.
    Inventors: Carmelo Gandolfi, Carlo Passarotti, Alessandro Andreoni, Angelo Fumagalli, Franco Faustini, Roberto Ceserani, Maria M. Usardi
  • Patent number: 4195093
    Abstract: Compounds of the general formula I ##STR1## wherein n represents 0, 1 or 2, A represents oxygen or sulphur, Z represents oxygen or hydroxyimino, X represents hydrogen, or halogen, the dotted lines represent bonds which may be unsaturated or saturated, R.sub.1 and R.sub.2 each represent hydrogen or alkyl, and R.sub.3 represents hydrogen, halogen or methyl, and R.sub.4 represents a hydrogen atom, or R.sub.3 and R.sub.4 together with the two carbon atoms to which they are attached represent benzene, and their pharmaceutically acceptable salts are useful in therapy, in particular as uricosuric agents or as diuretic and uricosuric agents.
    Type: Grant
    Filed: March 24, 1978
    Date of Patent: March 25, 1980
    Assignee: Albert Rolland S.A.
    Inventors: Jacqueline S. Laforest, nee Boutillier du Retail, Sylviane S. J. Mignonac, nee Mondon, Germaine Thuillier, nee Nachmias, Pierre A. R. Bessin
  • Patent number: 4179565
    Abstract: 2,5-Dimethyl-benzo[b]thieno[2,3-f]morphan and the precursors thereof, 2-(3-benzo[b]thienylmethyl)-1,4-dimethyl-1,2,3,6-tetrahydropyridine and 2-(3-benzo[b]-thienylmethyl)-1,4-dimethyl-1,2,5,6-tetrahydropyridine, useful as analgesic agents, are disclosed.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: December 18, 1979
    Assignee: Laboratorios Made, S.A.
    Inventors: Ricardo Granados Jarque, Mercedes Alvarez Domingo, Juan Bosch Cartes, Cristobal Martinez Roldan, Fernando Rabadan Peinado
  • Patent number: 4178450
    Abstract: 2,5-dimethyl-benzo [b] thiene [3,2-f] morphan and 2-(2-benzo [b] thienyl-methyl)-1,4-dimethyl-1,2,3,6-tetrahydropyridine or their pharmacologically acceptable acid addition salts are useful as analgesic agents.
    Type: Grant
    Filed: February 1, 1978
    Date of Patent: December 11, 1979
    Assignee: Laboratories Made, S. A.
    Inventors: Ricardo Granados Jarque, Mercedes Alvarez Domingo, Juan Bosch Cartes, Cristobal Martinez Roldan, Fernando Rabadan Peinado
  • Patent number: 4178286
    Abstract: .gamma.-lactones are converted into both known and new azetidine carboxylic acids which can be transformed readily to the corresponding .beta.-lactams by oxidative decarboxylation. The .beta.-lactams and substitution products thereof are useful intermediates in the synthesis of biologically active lactams such as nocardicin.
    Type: Grant
    Filed: October 28, 1976
    Date of Patent: December 11, 1979
    Assignee: Research Corporation
    Inventors: Harry H. Wasserman, Bruce H. Lipshutz
  • Patent number: 4174447
    Abstract: A decarboxylation process for coupling aromatic compounds wherein cyclic hydrocarbons and heterocyclic compounds having at least one labile ring hydrogen are reacted with the mono silver salts of aromatic carboxylic acids, or mono silver salts of unsaturated compounds such as .alpha.,.beta.-ethylenically unsaturated acid compounds, or silver trifluoroacetate, or the mono silver salts are reacted with themselves, by heating to temperatures of 100.degree. to 500.degree. C. at pressures of 0.1 to 10 atmospheres, or by irradiating the reactants with ultraviolet light of 200 to 400 nanometers at temperatures of -30.degree. to 150.degree. C. The resulting dimers, trimers, polysubstituted polyphenyls, polyheterocyclics and trifluoromethylated aromatics are useful as heat transfer media, as intermediates for high molecular weight polymers, pesticides and petroleum additives, and as scintillation counters.
    Type: Grant
    Filed: February 26, 1975
    Date of Patent: November 13, 1979
    Assignee: Standard Oil Company (Indiana)
    Inventor: Ellis K. Fields
  • Patent number: 4172201
    Abstract: Alpha-2,5,9-trimethyl-benzo [b]thiene [2,3-f]morphan and 2-(3-benzo[b]thienylmethyl)-1,3,4-trimethyl-1,2,5,6-tetrahydropyridine or their pharmacologically acceptable acid addition salts are useful as analgesic agents.
    Type: Grant
    Filed: February 2, 1978
    Date of Patent: October 23, 1979
    Assignee: Laboratorios Made, S.A.
    Inventors: Ricardo G. Jarque, Mercedes A. Domingo, Juan B. Cartes, Cristobal M. Roldan, Fernando R. Peinado