The Polycyclo Ring System Contains At Least Four Cyclos Patents (Class 552/220)
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Patent number: 8119804Abstract: An organic semiconducting layer formulation containing an organic binder which has a permittivity, ?, at 1,000 Hz of 3.3 or less and a polyacene compound of Formula A: and processes for the preparation thereof and uses thereof in various electronic devices.Type: GrantFiled: March 8, 2010Date of Patent: February 21, 2012Assignee: Merck Patent GmbHInventors: Beverley Anne Brown, Janos Veres, Remi Manouk Anemian, Richard Williams, Simon Dominic Ogier, Stephen William Leeming
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Publication number: 20120012822Abstract: An aromatic compound represented by the following formula (1). [In the formula, ring A and ring B each represent a benzene ring, an aromatic fused ring composed of 2-4 rings, a heteroaromatic ring or a heterocyclic aromatic fused ring composed of 2-4 rings, R1a represents a group —CHR2a—CHR2bR2c, and R1b, R1c and R1d each represent hydrogen, aryl or a group —CHR2d—CHR2eR2f. This is with the proviso that at least 2 of R1b, R1c and R1d are not hydrogen. R2a, R2b and R2c each represent hydrogen, alkyl, aryl or a substituted silyl group, and R2a and R2b may be bonded together to form a ring. R2d, R2e and R2f each represent hydrogen, alkyl, aryl or a substituted silyl group, and R2d and R2e may be bonded together to form a ring.Type: ApplicationFiled: January 22, 2010Publication date: January 19, 2012Applicants: KEIO UNIVERSITY, SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Fumitoshi Kakiuchi, Hiroki Terai
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Patent number: 8071575Abstract: Bone targeted compounds and methods are provided. Compounds can include a Bone Targeting Portion (RT), having an affinity for bone; a Bone Active Portion (RA) for interacting with and affecting bone; and a Linking Portion (RL) connecting the Bone Targeting Portion and the Bone Active Portion.Type: GrantFiled: February 22, 2008Date of Patent: December 6, 2011Assignee: University of Louisville Research FoundationInventors: William M. Pierce, Jr., K. Grant Taylor, Leonard C. Waite
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Patent number: 7576208Abstract: A compound of formula 9 and uses thereof in various electronic devices and in a formulation for ink jet printing and in an organic semiconducting layer formulation.Type: GrantFiled: July 9, 2007Date of Patent: August 18, 2009Assignee: Merck Patent GmbHInventors: Beverley Anne Brown, Janos Veres, Remi Manouk Anemian, Richard Williams, Simon Dominic Ogier, Stephen William Leeming
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Publication number: 20080061287Abstract: The present invention provides an organic semiconductor material which exhibits a high mobility, and excellent solubility in solvents and oxidation resistance. The present invention also provides an organic semiconductor thin film exhibiting a high mobility, and an organic semiconductor device exhibiting excellent electronic characteristics. A transistor structure is formed by coating the silicon substrate with a thin film of pentacene compound substituted halogens at 6 and 13 positions and aliphatic hydrocarbons at 2, 3, 9 and 10 positions, wherein the substrate is patterned beforehand with gold to have a source and drain electrodes.Type: ApplicationFiled: February 25, 2005Publication date: March 13, 2008Inventors: Kazuto Nagata, Yoshinori Naruta, Masatoshi Yakiyama
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Patent number: 6747163Abstract: The invention provides a process for the preparation and isolation of compound of formula 2, comprising the following steps: oxidizing Flumethasone dissolved in a tetrahydrofuran-water mixture with periodic acid at a temperature lower than 30° C.; cooling the reaction mixture to a temperature lower than 10° C.; adding an antisolvent precooled to a temperature lower than 10° C.; and separating the precipitated crystal by filtration, whereby there is obtained a compound of formula 2 in a yield of at least 98% and of a chromatographic purity of at least 99%.Type: GrantFiled: April 4, 2003Date of Patent: June 8, 2004Assignee: Chemagis Ltd.Inventors: Yaacov Rubinsztain, Ariana Segal, Joseph Kaspi, Ori Lerman
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Patent number: 5587495Abstract: 4-substituted anthracyclinones of formula (I): ##STR1## wherein R represents a straight or branched alkyl, alkenyl or alkynyl group of up to 16 carbon atoms optionally substituted by (a) an aryl group which is unsubstituted or substituted by an inert group such as an alkyl, alkoxy or nitro group; (b) an alkoxy group; (c) a trialkylsilyl group, (d) an ester group or (e) an amido group, are intermediates in the preparation of antitumor anthracycline glycosides of formula (IX): ##STR2## wherein R is as defined above and R.sub.1 is a hydrogen atom or a hydroxy group, and pharmaceutically acceptable salts thereof.Type: GrantFiled: April 25, 1991Date of Patent: December 24, 1996Assignee: Farmitalia Carlo Erba SrlInventors: Walter Cabri, Silvia De Bernardinis, Franco Francalanci, Sergio Penco
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Patent number: 5405979Abstract: A process for the production of 10.beta.-H-11.beta.-(substituted phenyl) steroids of the formulae Ia or Ib set forth in the claims by reduction of a compound of the formula III: ##STR1## followed by cleaving with a strong acid or partial cleaving with a less strong acid. Reduction with an electropositive metal in an electron-solvating solvent is preferred.Type: GrantFiled: November 30, 1992Date of Patent: April 11, 1995Assignee: Schering AktiengesellschaftInventors: Eckhard Ottow, Gunter Neef, Arwed Cleve, Rudolf Wiechert
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Patent number: 5274141Abstract: Quinone- and hydroquinone-containing cyclic enediyneols and enediyneones having 10-carbon atoms in the enediyne-containing ring that cleave DNA are disclosed, as are methods of making and using the same.Type: GrantFiled: September 1, 1992Date of Patent: December 28, 1993Assignee: The Scripps Research InstituteInventors: Kyriacos C. Nicolaou, Aijun Liu
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Patent number: 5187195Abstract: Anthraquinone compounds of the formula: ##STR1## wherein: R.sup.1 is hydrogen, hydroxy or acyloxy,R.sup.2 is hydrogen or acyl,R.sup.3 is acyl,R.sup.4 is hydrogen or acyl,R.sup.5 is hydrogen or acyl,R.sup.6 is hydrogen or acyl, andR.sup.7 is hydrogen or acylhave been found to possess endothelin antagonistic properties and are producible by various synthetic and fermentation processes.Type: GrantFiled: June 26, 1990Date of Patent: February 16, 1993Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Nobutaka Oohata, Motoaki Nishikawa, Sumio Kiyoto, Shigehiro Takase, Keiji Hemmi, Hidetsugu Murai, Masakuni Okuhara
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Patent number: 5162545Abstract: Malonic acid dyes capable of forming polycondensation products have the formula ##STR1## where R.sup.1 and R.sup.2 are each independently of the other hydroxyl, C.sub.1 -C.sub.6 -alkoxy, chlorine or bromine,R.sup.3 is hydrogen or C.sub.1 -C.sub.6 -alkyl,A is C.sub.1 -C.sub.20 -alkylene which may be interrupted by oxygen atoms or by imino or C.sub.1 -C.sub.4 -alkylimino groups, andChr is the radical of a chromophore derived from an anthraquinone, perylene, disazo or trisazo dye or else, when R.sup.3 is C.sub.1 -C.sub.6 -alkyl, from a monoazo dye.Type: GrantFiled: October 12, 1990Date of Patent: November 10, 1992Assignee: BASF AktiengesellschaftInventors: Karl-Heinz Etzbach, Karin H. Beck, Gerhard Wagenblast
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Patent number: 5110960Abstract: Novel antibiotic herein designated as BU-3608, BU-3608 B, and BU-3608 C are produced by fermentation of Actinomadura hibisca Strain No. P157-2, ATCC 53557, and Strain No. Q278-4, ATCC 53646. The antibiotics possess antifungal and antiviral activities.Type: GrantFiled: October 1, 1990Date of Patent: May 5, 1992Assignee: Bristol-Myers CompanyInventors: Toshikazu Oki, Kyoichiro Saitoh, Kozo Tomatsu, Koji Tomita, Masataka Konishi, Takeo Miyaki, Mitsuaki Tsunakawa, Maki Nishio
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Patent number: 5091418Abstract: The present invention relates to a novel .alpha.-glucosidase inhibitor, pradimicin Q, having the following formula ##STR1## and its pharmaceutically acceptable base salts.Type: GrantFiled: September 28, 1990Date of Patent: February 25, 1992Assignee: Bristol-Myers Squibb CompanyInventors: Yosuke Sawada, Tomokazu Ueki, Takashi Tsuno, Toshikazu Oki