| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 549030000 | Plural ring hetero atoms in the hetero ring | 21 |
| 20090192321 | PROCESS FOR PRODUCING 2-BENZOYLOXYACETALDEHYDE DERIVATIVE - A process produces a 2-benzoyloxyacetaldehyde derivative represented by following Formula (3): | 07-30-2009 |
| 20100197942 | NOVEL FLUORENE COMPOUND - A fluorene compound is provided, which is represented by the following Formula (I): | 08-05-2010 |
| 20120157693 | Process for Manufacture of Optically Active 2-(Acyloxymethyl)-1,3-Oxathiolanes - There is provided a process for manufacture of optically-active, 2-(acyloxymethyl)-1,3-oxathiolanes of Formula I comprising a preparation of a racemic compound and an enzyme-catalyzed kinetic resolution of the enantiomers. The invention may further provide for the esterification and racemization of the by-product of the enzymatic reaction. In this manner, 2(R)-(benzoyloxymethyl)-1,3-oxathiolane is prepared as a useful intermediate for manufacture of the anti-HIV drug Apricitabine. | 06-21-2012 |
| 549031000 | Polycyclo ring system having the hetero ring as one of the cyclos | 10 |
| 20090240067 | METHOD OF PRODUCING A BISBENZODITHIOL COMPOUND - A method of producing a compound represented by formula (1), including: allowing 1,4-benzoquinone or 1,2-benzoquinone to react with a dithiocarbamate compound represented by formula (2) in a polar solvent: | 09-24-2009 |
| 20100121077 | RESIST COMPOSITION, METHOD OF FORMING RESIST PATTERN, NOVEL COMPOUND, AND ACID GENERATOR - A compound represented by general formula (I); and a compound represented by general formula (b1-1). | 05-13-2010 |
| 20110213162 | CONDENSATION COMPOUND BETWEEN FLUORINATED CYCLOPENTANE RING AND AROMATIC RING, AND PROCESS FOR PRODUCING THE SAME - A condensation compound of a fluorinated cyclopentane ring and an aromatic ring, which is useful, for example, for electronic materials, and a process for producing the same are provided. For instance, according to Scheme 1 below, a compound (68) containing a condensed structure formed of a hexafluorocyclopentane ring and an aromatic ring is synthesized. The aromatic ring is not limited to a thiophene ring but can be any ring and any substituent can be used. Thus a compound containing a condensed ring structure formed of a hexafluorocyclopentane ring and an aromatic ring, particularly, for instance, a thiophene ring, which was impossible to produce conventionally, can be produced easily with high yield. The compound of the present invention is particularly suitable to be applied to, for example, electronic materials or semiconductors. When it is polymerized and thereby the π-electronic conjugation is extended, it also is expected to be applied to, for example, n-type organic semiconductors and molecular wires that are indispensable for developing molecular electronics elements. | 09-01-2011 |
| 20110237804 | COMPOUND HAVING A TRIPTYCENE MOIETY - A compound having a triptycene moiety represented by formula (1) is disclosed. In the formula, A | 09-29-2011 |
| 20160130203 | NOVEL PHENYLNAPHTHOL DERIVATIVES - Phenylnaphthol derivatives represented by the following general formula (1), | 05-12-2016 |
| 549032000 | Bicyclo ring system having the hetero ring as one of the cyclos | 5 |
| 20110040106 | ORGANIC SEMICONDUCTOR COMPOUND, SEMICONDUCTOR ELEMENT, SOLAR BATTERY, AND PROCESS FOR PRODUCING ORGANIC SEMICONDUCTOR COMPOUND - Disclosed is, for example, a compound that can be a material which can control many functions. According to a first aspect of the present invention, there is provided an organic semiconductor compound characterized in that the organic semiconductor compound is produced by forming a salt of organic molecules as a donor with an inorganic acid or an inorganic base and causes self-accumulation. According to the above constitution, the organic semiconductor compound can be obtained in a simple manner. According to a second aspect of the present invention, there is provided an organic compound characterized by being produced by deriving an ammonia salt or a hydroxyamine salt from a compound having a tetrathiafulvalene analogue site in the skeleton thereof and containing a protonic acid functional group. According to the above constitution, an organic compound which can control many functions can be obtained. | 02-17-2011 |
| 20140012017 | ORGANIC SEMICONDUCTOR COMPOUND, SEMICONDUCTOR DEVICE, SOLAR CELL AND PRODUCING METHOD OF ORGANIC SEMICONDUCTOR COMPOUND - There is provided a compound or the like which can become a material in which many functions are controllable. A first aspect of the present invention lies in an organic semiconductor compound, characterized in that an organic molecule which becomes a donor is formed by being salt-formed with an inorganic acid or an inorganic base and self assembly is accomplished. According to this configuration, there can be obtained an organic semiconductor compound by a simple technique. A second aspect of the present invention lies in an organic compound, characterized in that a compound containing a tetrathiafulvalene affinity region in a framework thereof and having a protic acid functional group is formed by being induced to a salt with ammonia or a salt with hydroxyamine. According to this configuration, there can be obtained an organic compound in which many functions are controllable. | 01-09-2014 |
| 549033000 | Chalcogen attached directly to the hetero ring by nonionic bonding | 3 |
| 20110160465 | PRODUCTION METHOD FOR SULTONE DERIVATIVES - There is provided a means to produce industrially a highly pure 2-hydroxy-4-oxa-5-thiatricyclo[4.2.1.0 | 06-30-2011 |
| 20110319637 | 2-FLUORO-1,3-BENZODITHIOL 1,1,3,3-TETRAOXIDE DERIVATIVE, PRODUCTION METHOD THEREOF, AND PRODUCTION METHOD OF MONOFLUOROMETHYL GROUP-CONTAINING COMPOUND USING THE SAME - A 2-fluoro-1,3-benzodithiol 1,1,3,3-tetraoxide derivative as a monofluoromethyl group introduction agent that is effective as an intermediate in pharmaceutical and agrochemical synthesis, a production method thereof, and a production method of a monofluoromethyl group-containing compound using this 2-fluoro-1,3-benzodithiol 1,1,3,3-tetraoxide derivative are provided. The 2-fluoro-1,3-benzodithiol 1,1,3,3-tetraoxide derivative represented by the following general formula (1) (wherein R | 12-29-2011 |
| 20130005991 | INTERMEDIATES OF 1-O-ACYL-2-DEOXY-2-FLUORO-4-THIO-BETA-D-ARABINOFURANOSES - The present invention relates to a process for preparing 1-O-acyl-2-deoxy-2-fluoro-4-thio-β-D-arabinofuranoses having formula I and intermediates thereof: | 01-03-2013 |
| 549034000 | Three or more ring hetero atoms in the hetero ring | 3 |
| 20120130089 | METHOD FOR PRODUCING CYCLIC SULFONIC ACID ESTER AND INTERMEDIATE THEREOF - The present invention is directed to provide an efficient production method which is capable of not only obtaining a cyclic sulfonic acid ester (sultone) at low cost and in high yield, but also the sulfonic acid ester (sultone) stably even in a commercial scale. The present invention relates to a method for producing hydroxysultone comprising a first step where a diol having a specified structure and a thionyl halide are reacted to obtain a cyclic sulfite having a specified structure, and a second step where the cyclic sulfite is reacted with water or/and alcohol; a method for producing an unsaturated sultone having a specified structure comprising a third step where a hydroxylsultone having a specified structure is reacted with an acid halide or an acid anhydride to obtain an intermediate, subsequently the intermediate is treated with a base; as well as a cyclic sulfite having a specified structure. | 05-24-2012 |
| 20150299158 | Cyclic (poly)Glycerol Sulphates and Preparation and Use Thereof - The present invention relates to novel cyclic sulphates of (poly)glycerol, particularly to the novel compound of 4-(hydroxymethyl)-1,3,2-dioxathiolane-2,2-dioxide. The present invention also relates to the preparation process of the cyclic sulphate compounds, and to the use thereof as an intermediate to prepare green surfactants containing sulphate groups. | 10-22-2015 |
| 20160024061 | PREPARATION OF 2'-FLUORO-2'-ALKYL-SUBSTITUTED OR OTHER OPTIONALLY SUBSTITUTED RIBOFURANOSYL PYRIMIDINES AND PURINES AND THEIR DERIVATIVES - The present invention provides (i) processes for preparing a 2′-deoxy-2′-fluoro-2′-methyl-D-ribonolactone derivatives, (ii) conversion of intermediate lactones to nucleosides with potent anti-HCV activity, and their analogues, and (iii) methods to prepare the anti-HCV nucleosides containing the 2′-deoxy-2′-fluoro-2′-C-methyl-B-D-ribofuranosyl nucleosides from a preformed, preferably naturally-occurring, nucleoside. | 01-28-2016 |
| 549035000 | Two ring sulfurs in the hetero ring | 3 |
| 549039000 | Chalcogen attached indirectly to the hetero ring by nonionic bonding | 3 |
| 20080227990 | Process For Purifying Thioctic Acid in Water - Process for purifying thioctic acid in water comprising the following steps: a) dissolving the thioctic acid in an aqueous alkaline solution or alternatively dissolving a thioctic acid salt, if necessary adjusting the pH to alkaline values, b) acidifying the solution from step (a) with an acid chosen from the class consisting of sulfuric acid, phosphoric acid, methanesulfonic acid to a pH between 5.4 and 5.8. c) isolating the thioctic acid precipitated in step (b) by conventional methods. | 09-18-2008 |
| 20130131356 | PREPARATION OF PROTECTED ALPHA-KETO BETA-AMINO ESTERS AND AMIDES - The invention provides β-sulfonamide α-keto esters and amides in which the α-keto is protected as a 1,3-dithiolane derivative. Also provided are methods for preparing such esters and amides and for incorporating them into peptides. | 05-23-2013 |
| 20160075680 | MODIFIED SOLID SUPPORT FOR THE SYNTHESIS OF OLIGONUCLEOTIDES - The present invention refers to a new solid support for the synthesis of oligonucleotides, to a method for its preparation and to its use in the solid phase synthesis of oligonucleotides. | 03-17-2016 |
| 549040000 | Chalcogen attached directly to ring sulfur of the hetero ring by nonionic bonding | 2 |
| 20120220785 | SULTONE COMPOUND DERIVATIVES SUBSTITUTED BY NUCLEOPHILES, IN PARTICULAR RADIONUCLIDES, AND USE THEREOF FOR MARKING MACROMOLECULES - The invention relates to polysultone derivatives used as precursors to radiolabelled macromolecules usable for medicine and in nuclear imaging. The aim of the invention is to provide novel prosthetic compounds or groupings, the synthesis of which is straightforward, easy and automatable, enabling access to economical and effective radiolabelled macromolecules. The aim is achieved by the invention, which involves compounds of formula 10 or 11. Said double-sultone derivatives are produced by opening the sultone rings using a nucleophile radical R | 08-30-2012 |
| 20140142324 | METHOD FOR PRODUCING CYCLIC SULFONIC ACID ESTER AND INTERMEDIATE THEREOF - The present invention is directed to provide an efficient production method which is capable of not only obtaining a cyclic sulfonic acid ester (sultone) at low cost and in high yield, but also the sulfonic acid ester (sultone) stably even in a commercial scale. The present invention relates to a method for producing hydroxysultone comprising a first step where a diol having a specified structure and a thionyl halide are reacted to obtain a cyclic sulfite having a specified structure, and a second step where the cyclic sulfite is reacted with water or/and alcohol; a method for producing an unsaturated sultone having a specified structure comprising a third step where a hydroxylsultone having a specified structure is reacted with an acid halide or an acid anhydride to obtain an intermediate, subsequently the intermediate is treated with a base; as well as a cyclic sulfite having a specified structure. | 05-22-2014 |
