Three Or More Ring Hetero Atoms In The Hetero Ring Patents (Class 549/18)
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Patent number: 10042251Abstract: A photo-destroyable quencher having Formula (I): wherein in Formula (I), groups and variables are the same as described in the specification.Type: GrantFiled: September 30, 2016Date of Patent: August 7, 2018Assignee: ROHM AND HAAS ELECTRONIC MATERIALS LLCInventors: Paul J. LaBeaume, James F. Cameron
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Publication number: 20100063302Abstract: Disclosed are: kotalanol which has an inhibitory activity on a glucosidase; a method for producing kotalanol or a cyclic sulfonium salt which is an analogue to kotalanol by an organic synthesis technique; a cyclic sulfonium salt produced by the method; a glucosidase inhibitor comprising the compound; an anti-diabetic agent or an anti-diabetic food comprising the glucosidase inhibitor. A sulfonium compound including kotalanol can be produced by coupling a thio-sugar synthesized from D-xylose (e.g., a compound having a cyclic structure composed of 4 carbon atoms and one sulfur atom, such as 1,4-dideoxy-1,4-epithio-D-arabinitol) with a heptitol cyclic sulfate ester having a protected hydroxyl group and synthesized from a pentose (D-xylose, D-ribose, D-arabinose, D-lyxose, L-xylose, L-ribose, L-arabinose or L-lyxose) to produce a cyclic sulfonium salt having a protected hydroxyl group, and then deprotecting the hydroxyl group.Type: ApplicationFiled: January 4, 2008Publication date: March 11, 2010Applicants: Takano Co., Ltd., Kinki UniversityInventors: Osamu Muraoka, Genzoh Tanabe
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Patent number: 6995276Abstract: A compound capable of giving optical materials that may be high in both refractive index and Abbe's number and may be excellent in heat resistance and transparency, and a process that may produce the same with good efficiency are disclosed. The compound may be a cyclic disulfide compound including a structure represented by the following general formula (1) or (2) and having a sulfur content of from 50 to 85% by weight: wherein X represents a chain having carbon and/or sulfur as a skeleton, inclusive of cyclic ones; and the number of elements constituting X is from 1 to 4.Type: GrantFiled: February 6, 2003Date of Patent: February 7, 2006Assignee: Hoya CorporationInventors: Tsuyoshi Okubo, Ken Takamatsu
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Patent number: 6696540Abstract: An episulfide compound useful as a starting material for optical materials that have a high refractive index and a high Abbe's number is provided. A method for producing the same and an optical product made with the same are also provided. The episulfide compound may be represented by the general formula (1): wherein EP represents and n is an integer of from 0 to 2. A method for producing the episulfide compound represented by the general formula (1) may involve reacting a mercapto group-containing episulfide compound with 2,4,6-trimethylene-1,3,5-trithiane.Type: GrantFiled: November 20, 2002Date of Patent: February 24, 2004Assignee: Hoya CorporationInventors: Tsuyoshi Okubo, Ken Takamatsu
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Patent number: 6545022Abstract: Novel amines of formulas 1D and 1E are disclosed and are useful as agents in the treatment of epilepsy, faintness attacks, hypokinesia, cranial disorders, neurodegenerative disorders, depression, anxiety, panic, pain, neuropathological disorders, inflammatory diseases, and gastrointestinal disorders, especially IBS. Processes for the preparation and intermediates useful in the preparation are also disclosed.Type: GrantFiled: April 7, 2000Date of Patent: April 8, 2003Assignee: Pfizer Inc.Inventors: Justin Stephen Bryans, David Christopher Horwell, Clare Octavia Kneen, David Juergen Wustrow
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Patent number: 6472488Abstract: Polymerizable compositions from novel monomers that correspond to the formula: in which: Z represents H or CH3 and X represents O or S, and Y is a 5- to 8-membered heterocycle consisting of hydrogen, carbon and sulphur atoms and at least two endocyclic sulphur atoms.Type: GrantFiled: September 20, 2001Date of Patent: October 29, 2002Assignee: Essilor International Compagnie Generale D'OptiqueInventors: Florence Caye, Michèle Sindt, Daniel Paquer, Dorothée Jury, Michel Schneider, Jean-Luc Mieloszynski
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Patent number: 6410748Abstract: A monomer represented by the following general formula (m-1): wherein R is a group having an alicyclic skeleton, R2s may be the same or different and are individually hydrogen atom, halogen atom or monovalent organic group, X1 is a bivalent organic group containing a heteroatom, j is an integer of 0 to 3, and R1 is a group selected from the following groups, a monovalent organic group having Si (R1-1), and —(X2)k—R4—(X3)m—C(R6)3 (R1-2), wherein X2 and X3 are a bivalent organic group containing a heteroatom, k and m are an integer of 0 to 3, R4 is a bivalent alkyl group, R6s may be the same or different and are individually hydrogen atom, halogen atom or monovalent organic group.Type: GrantFiled: May 3, 2001Date of Patent: June 25, 2002Assignee: Kabushiki Kaisha ToshibaInventors: Naomi Shida, Toru Ushirogouchi, Koji Asakawa, Takeshi Okino, Shuji Hayase, Yoshihiko Nakano, Makoto Nakase
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Patent number: 6307062Abstract: The novel monomers correspond to the formula: in which: Z represents H or CH3 and X represents O or S, and Y is a 5- to 8-membered heterocycle consisting of hydrogen, carbon and sulphur atoms and at least two endocyclic sulphur atoms.Type: GrantFiled: October 13, 1998Date of Patent: October 23, 2001Assignee: Essilor International Compagnie Generale d'OptiqueInventors: Florence Caye, Michèle Sindt, Daniel Paquer, Dorothée Jury, Michel Schneider, Jean-Luc Mieloszynski
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Patent number: 6294680Abstract: A process has been provided to produce semi synthetic statins, as for instance simvastatin with a high yield, for another statin, preferably a naturally occurring statin, as for instance lovastatin. Also a number of novel intermediate compounds, prepared during said process, has been provided.Type: GrantFiled: January 5, 2000Date of Patent: September 25, 2001Assignee: Plus Chemicals, B.V.Inventors: Ton Rene Vries, Hans Wijnberg, Wijnand Sjourd Faber, Venetka Ivanova Kalkman-Agayn, Mieke Ivanova Sibeyn
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Patent number: 6211370Abstract: The present invention relates to a process for stereoselective cycloaddition reactions which generally comprises a cycloaddition reaction between a pair of substrates, each either chiral or prochiral, that contain reactive &pgr;-systems, in the presence of a non-racemic chiral catalyst, to produce a stereoisomerically enriched product. The present invention also relates to novel asymmetric catalyst complexes comprising a metal and an asymmetric tridentate ligand.Type: GrantFiled: February 23, 1999Date of Patent: April 3, 2001Assignee: Harvard UniversityInventors: Eric N. Jacobsen, Scott E. Schaus, Alexander G. Dossetter, Timothy F. Jamison
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Patent number: 6180799Abstract: Provided are novel methods for preparing pentaerythritol disulfite employing reduced amounts of thionyl chloride and 1,2-dichloroethane as reaction media. Also disclosed is the first synthesis of pentaerythritol disulfate by oxydation of the above pentaerythritol disulfite. Both the disulfite (2) and the disulfate (3) are obtained in high yields.Type: GrantFiled: May 1, 2000Date of Patent: January 30, 2001Assignee: The United States of America as represented by the Secretary of the Air ForceInventors: Suresh C. Suri, Stephen L. Rodgers
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Patent number: 6130340Abstract: The present invention relates to a process for stereoselective cycloaddition reactions which generally comprises a cycloaddition reaction between a pair of chiral or prochiral substrates that contain reactive .pi.-systems, in the present of a non-racemic chiral catalyst, to produce a stereoisomerically enriched product.Type: GrantFiled: January 13, 1998Date of Patent: October 10, 2000Assignee: President and Fellows of Harvard CollegeInventors: Eric N. Jacobsen, Scott E. Schaus
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Patent number: 5646175Abstract: Novel carbamoyloxylabdanes, intermediates and processes for the preparation thereof, and methods for reducing intraocular pressure and treating cardiac failure utilizing compounds and compositions thereof are disclosed.Type: GrantFiled: June 1, 1995Date of Patent: July 8, 1997Assignee: Hoechst Marion Roussel, Inc.Inventors: Raymond W. Kosley, Jr., Robert Joseph Cherill, Gerard O'Malley
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Patent number: 5374650Abstract: Novel carbamoyloxylabdanes, intermediates and processes for the preparation thereof, and methods for reducing intraocular pressure and treating cardiac failure utilizing compounds and compositions thereof are disclosed.Type: GrantFiled: March 25, 1993Date of Patent: December 20, 1994Assignee: Hoechst-Roussel Pharmaceuticals, Inc.Inventors: Raymond W. Kosley, Jr., Robert J. Cherill, Gerard O'Malley
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Patent number: 5116999Abstract: Cyclic sulphates of formula: ##STR1## are prepared by oxidation of a cyclic sulphite of formula: ##STR2## with a hypohalite of an alkali or alkaline-earth metal and a catalytic quantity of a ruthernium derivative (RuO.sub.2, RuCl.sub.3). In formulae (I) and (II), R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are identical or different and each represents hydrogen, halogen, alkyl, alkoxy, aryl, aryloxy or alkoxycarbonyl.Type: GrantFiled: April 12, 1990Date of Patent: May 26, 1992Assignee: Rhone Poulenc SanteInventors: Pierre Le Roy, Bernadette Mandard-Cazin
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Patent number: 4924007Abstract: Cyclic sulphates of formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, and R.sub.6, which are identical or different, each denote hydrogen, halogen, alkyl, alkoxy, aryloxy or alkoxycarbonyl and n is 0 or 1, are prepared by rapid reaction, at a temperature of 150.degree. to 250.degree. C.Type: GrantFiled: May 15, 1989Date of Patent: May 8, 1990Assignee: Rhone-Poulenc SanteInventors: Viviane Massonneau, Michel Mulhauser
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Cyclohexenone derivatives, the preparation and use thereof as herbicides and plant growth regulators
Patent number: 4761486Abstract: Cyclohexenone derivatives of the formula ##STR1## where R.sup.1, R.sup.2, A and X have the meanings given in the disclosure, a process for their manufacture, herbicidal and plant growth-regulating agents containing the novel active ingredients, and methods of combating unwanted plant growth and of regulating plant growth.Type: GrantFiled: January 14, 1987Date of Patent: August 2, 1988Assignee: BASF Aktiengesellschaft, PatentabteilungInventors: Bernd Zeeh, Dieter Jahn, Michael Keil, Dieter Kolassa, Bruno Wuerzer, Norbert Meyer, Wilhelm Rademacher, Johann Jung -
Patent number: 4725682Abstract: Sulfur-containing bis-amino carbamate compounds exhibit outstanding acaricidal, nematocidal and insecticidal activity.Type: GrantFiled: December 2, 1986Date of Patent: February 16, 1988Assignee: Rhone-Poulenc Nederland, B.V.Inventor: Themistocles D. J. D'Silva
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Patent number: 4596879Abstract: A novel process for the manufacture of the furanone of the formula ##STR1## is described. In this process, a diol is firstly reacted with thionyl chloride, then the sulphite formed, optionally after oxidation to the corresponding sulphate, is treated with sodium cyanide and the resulting hydroxynitrile is hydrolyzed.The furanone of formula I can be used as a starting material for the manufacture of R-(-)-pantolactone.Type: GrantFiled: July 10, 1985Date of Patent: June 24, 1986Assignee: Hoffmann-La Roche Inc.Inventor: Christian Fizet
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Patent number: 4259507Abstract: 3,5-di-(2-methylpropyl)-1,2,4-trithiolane having the formula: ##STR1## and its "cis" and "trans" isomers represented by the structures: ##STR2## and described as being useful in augmenting or enhancing the organoleptic properties (taste and aroma) of foodstuffs.Type: GrantFiled: August 3, 1979Date of Patent: March 31, 1981Assignee: International Flavors & Fragrances Inc.Inventors: Chi-Kuen Shu, Braja D. Mookherjee, Manfred H. Vock
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Patent number: 4179514Abstract: Ketoalkanesulfenyl and ketoalkanethiosulfenyl carbamates exhibit exceptional pesticidal activity.Type: GrantFiled: January 6, 1978Date of Patent: December 18, 1979Assignee: Union Carbide CorporationInventor: Themistocles D. J. D'Silva