| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 549330000 | Spiro | 39 |
| 20120165556 | Benzo[b]Naphtho[1,2-d]Furan Compound as Light-Emitting Element Material - Provided is a benzo[b]naphtho[1,2-d]furan compound having a wide band gap which gives excellent color purity of blue. Further provided are a light-emitting element, a light-emitting device, and an electronic device each of which uses the benzo[b]naphtho[1,2-d]furan compound and is highly reliable. A benzo[b]naphtho[1,2-d]furan compound represented by a general formula (G1) is provided. In the general formula (G1), An represents an anthryl group represented by a general formula (An-1) or (An-2) below, α | 06-28-2012 |
| 20140330028 | Photochromic Bis-Idenofused Naphthopryans - The present invention relates to photochromic double-indeno-fused naphthopyrans of the general formula (I) and the use thereof in plastics of all kinds, particularly for ophthalmic purposes. The photochromic compounds according to the invention are characterized by two distinct absorption bands of the open form in the visible wavelength range, i.e. two conventional photochromic dyes, each having only one discrete absorption band, can be replaced with dye molecules of this type. The compounds according to the invention, moreover, have a very good lifetime with a very high performance. | 11-06-2014 |
| 549331000 | The spiro includes a hetero ring | 37 |
| 20080262248 | Photochromic Spirodihydrophenanthropyrans - Specific photochromic spirodihydrophenanthropyrans and their use in synthetic resin materials of all kinds, particularly for ophthalmic purposes. The compounds of the invention are photochromic pyran compounds derived from 9,10-dihydrophenanthrene in which at least one of the two carbon atoms at positions 9 and 10 belongs to a further ring system and thus forms a spiro linkage point. | 10-23-2008 |
| 20140039203 | Process for preparing spiro[2.5]octane-5,7-dione - Disclosed is a method for the synthesis of spiro[2.5]octane-5,7-dione useful as intermediate in the manufacture of pharmaceutically active ingredients. Also disclosed are novel intermediates used in the synthesis of this compound. | 02-06-2014 |
| 20150315169 | Heterocyclic Compound Preparing - Disclosed is a process for selectively producing (D+1)-member heterocyclic compounds from corresponding unactivated dienes or derivatives thereof in the presence of a transition metal or lanthanide catalyst or a precursor thereof, relative to D-member heterocyclic rings. | 11-05-2015 |
| 20160176840 | RESIST COMPOSITION, METHOD FOR FORMING RESIST PATTERN, POLYPHENOLIC COMPOUND FOR USE IN THE COMPOSITION, AND ALCOHOLIC COMPOUND THAT CAN BE DERIVED THEREFROM | 06-23-2016 |
| 549332000 | The spiro includes a three- or four-membered hetero ring | 4 |
| 20080249320 | Luminacin analogs and uses thereof - The present invention provides compounds having formula (I) (and pharmaceutically acceptable derivatives thereof): | 10-09-2008 |
| 20100317877 | ULTRA-SENSITIVE CHEMILUMINESCENT SUBSTRATES FOR ENZYMES AND THEIR CONJUGATES - New chemiluminescent compounds, stable in aqueous buffers, for use in biological assaying include acridane-based compounds and 1,2-dioxetanes. Among the new acridane-based compounds are water-soluble acridanes, enhancer coupled acridanes, bis and tris-acridanes as well as acridane-1,2-dioxetanes. Among the new 1,2-dioxetanes are electron deficient group-containing dioxetanes and tethered bis-1,2-dioxetanes. The 1,2-dioxetanes are useful as substrates for various enzymes. The acridanes can be admixed with an oxidizing agent. an aqueous buffer and, optionally, a stabilizer to form a substrate or reagent formulation useful for assaying, inter alia, HRP. | 12-16-2010 |
| 20120077993 | SPIRO EPOXIDES AS INTERMEDIATES - The present invention provides compounds of formula (I) wherein the substituents are as defined in claim | 03-29-2012 |
| 20140135508 | SPIRO EPOXIDES AS INTERMEDIATES - The present disclosure relates to compounds of formula I | 05-15-2014 |
| 549333000 | Plural ring oxygens in a spiro hetero ring | 23 |
| 20100217018 | Method for the Production of Substituted and Unsubstituted Cyclohexanone Monoketals - The invention relates to a novel process for preparing and isolating known substituted and unsubstituted 1,4-cyclohexanone monoketals. | 08-26-2010 |
| 20110172445 | Novel Antischistosomal Agent - An object of the present invention is to provide a novel antischistosomal agent, and more specifically, to provide a novel drug capable of inhibiting a growth of schistosomes in vivo to prevent development of liver dysfunction due to eggs of the schistosomes in the case of infection with the schistosomes. The novel antischistosomal agent includes as an active ingredient a peroxide derivative. Specifically, the novel antischistosomal agent includes as an active ingredient a peroxide derivative represented by the general formula (I): | 07-14-2011 |
| 20150025254 | PRODUCTION METHOD FOR CYCLOPENTANONE DERIVATIVE, INTERMEDIATE COMPOUND, AND PRODUCTION METHOD FOR INTERMEDIATE COMPOUND - The present invention is a production method for a compound represented by the following general formula (V), the method comprising a step of obtaining a compound represented by the following general formula (II) by reacting a compound represented by the following general formula (I) with an acid: | 01-22-2015 |
| 20150315170 | PRODUCTION METHOD OF CARBONYL COMPOUND - The present invention is to provide a method of producing a carbonyl compound at a higher yield. The method of producing a carbonyl compound according to the present invention produces a carbonyl compound represented by general formula (I) by subjecting a compound represented by general formula (II) to dealkoxycarbonylation in the presence of an organic carboxylic acid salt of a tertiary amine. | 11-05-2015 |
| 549334000 | Both rings which form the spiro are hetero rings | 9 |
| 20110257415 | EPOXIDATION CATALYSTS - The present invention generally relates to methods for the synthesis of catalysts, including epoxidation catalysts, and related compounds and catalyst compositions. Embodiments described herein may provide efficient processes for providing catalysts (e.g., epoxidation catalysts) in large quantities and using simplified methods. | 10-20-2011 |
| 20120215015 | PREPARATION OF METAL-CATECHOLATE FRAMEWORKS - The disclosure provides for metal catecholate frameworks, and methods of use thereof, including gas separation, gas storage, catalysis, tunable conductors, supercapacitors, and sensors. | 08-23-2012 |
| 20130261317 | METHODS FOR PREPARING SYNTHETIC BILE ACIDS AND COMPOSITIONS COMPRISING THE SAME - This invention relates generally to methods for preparing certain bile acids from non-mammalian sourced starting materials as well as to synthetic bile acids and compositions comprising such acids wherein the acids are characterized by a different C | 10-03-2013 |
| 20140350268 | CHIRAL IMIDODIPHOSPHATES AND DERIVATIVES THEREOF - The invention relates to chiral imidodiphosphates and derivatives thereof having the general formula I, | 11-27-2014 |
| 549335000 | Two six-membered hetero rings, which each contain plural ring oxygens, form the spiro (e.g., spirobi-(meta-dioxane), etc.) | 5 |
| 20090018350 | NOVEL FLUORINE-CONTAINING ETHER COMPOUND - A fluorine-containing ether compound with a fluorine content increased, the fluorine content being enhanced by fluorinating a polymer including a repeating unit represented by the following Formula (I): | 01-15-2009 |
| 20090149664 | NOVEL FLUORINE-CONTAINING SPIROACETAL COMPOUND AND METHOD OF PRODUCING THE SAME - A fluorine-containing spiroacetal compound represented by the following formula (A): | 06-11-2009 |
| 20090216030 | METHOD OF MANUFACTURING PERFLUORINATED POLYFUNCTIONAL VINYL ETHER COMPOUND - A method of manufacturing a compound represented by formula (2) is provided, the method including thermally decomposing a compound represented by formula (1) under a reduced pressure: | 08-27-2009 |
| 20110184193 | PROCESS FOR PRODUCING SPIROGLYCOL - In the production of spiroglycol by the reaction of pentaerythritol and hydroxypivalaldehyde in water in the presence of an acid catalyst, (A) a total content of amines and amine salts in hydroxypivalaldehyde is reduced to 1.5% by weight or lower; (B) seed crystals are added to the reaction system before initiating the reaction and/or during the reaction in an amount from 1.5 to 30% by weight on the basis of the total feed amount of pentaerythritol, hydroxypivalaldehyde, water, the acid catalyst and the seed crystals, each being fed into the reaction system; (C) the pH of the reaction system is kept from 0.1 to 4.0 from initiation of the reaction to completion of the reaction; and (D) the sum of a maximum theoretical amount of spiroglycol to be synthesized from pentaerythritol and hydroxypivalaldehyde to be fed into the reaction system and an amount of spiroglycol contained in the seed crystals to be added to the reaction system is controlled within a range from 5 to 35% by weight on the basis of the total feed amount. The spiroglycol produced has an increased particle size. By washing the spiroglycol with a basic solution, the heat stability is improved. | 07-28-2011 |
| 20160075717 | ACRYLIC COMPOUND HAVING TETRAOXASPIRO BACKBONE FOR RADIATION CURING COMPOSITIONS(CORRECTED TITLE) - Disclosed is a process for obtaining an acrylic compound haying a tertaoxaspiro backbone and at least one acrylic unsaturation. Said compound is in embodiments an acrylate, a methacrylate or a crotonate of an alkoxylated, such as an ethoxylated, a propoxylated and/or a butoxylated 2,4,8,10-tetraoxaspiro[5.5]undecane-3, 9- dialkanol. | 03-17-2016 |
| 549336000 | Polycyclo ring system having one of the two rings which form the spiro as one of the cyclos | 8 |
| 20090187032 | INDUSTRIAL PROCESS FOR THE SYNTHESIS OF 17alpha-ACETOXY-11beta-[4-(N,N-DIMETHYL-AMINO)-PHENYL]-19-NORPREGNA-4,9-D- IENE-3,20-DIONE AND NEW INTERMEDIATES OF THE PROCESS - The present invention relates to a new industrial process for the synthesis of solvate-free 17α-acetoxy-11β-[4-(N,N-dimethyl-amino)-phenyl]-19-norpregna-4,9-diene-3,20-dione [CDB-2914] of formula (I) which is a strong antiprogestogene and antiglucocorticoid agent. The invention also relates to compounds of formula (VII) and (VIII) used as intermediates in the process. | 07-23-2009 |
| 20110065934 | METHOD OF PRODUCING BICYCLO[3.1.0] HEXANE DERIVATIVE USING ENZYME - Production of a bicyclo[3.1.0]hexane derivative, useful as a metabotropic glutamate receptor modulator, becomes possible by a production method that includes converting a compound represented by Formula (II) into a compound represented by Formula (III) by reaction with an acyl group donor in the presence of a microorganism-derived enzyme, without using an expensive optically active trans hydroxy ester as a starting material and without employing a fluorination reaction requiring an ultralow temperature reaction. Furthermore, since asymmetric synthesis can be carried out in a stage closer to the final product, the production method is useful as a production method that can mass produce a bicyclo[3.1.0]hexane derivative. | 03-17-2011 |
| 20110124886 | PROCESS FOR THE PREPARATION OF DISPIRO 1,2,4-TRIOXOLANE ANTIMALARIALS (OZ277) - This invention relates to an improved process for the preparation of a compound of Formula (I), salts of the free base cis-adamantane-2-spiro-3′-8′-[[[(2′-amino-2′-methyl propyl)amino]carbonyl]methyl]-1′,2′,4′-trioxaspiro[4.5]decane wherein X can be an anion. | 05-26-2011 |
| 20120088922 | NOVEL 3.2.1-BICYCLO-OCTANE COMPOUNDS - The present invention relates to novel compounds and their use in fragrance compositions. Novel 3.2.1-bicyclo-octane compounds of the present invention are represented by formula: | 04-12-2012 |
| 20120165557 | New Bicyclic Dioxanes, Their Preparation and Their Use as Fragrant Compounds - The invention is directed to the use of compounds of formula (I), as fragrant agents. In this formula: —R | 06-28-2012 |
| 549337000 | Additional hetero ring containing | 2 |
| 549338000 | Plural five-membered hetero rings | 2 |
| 20110319639 | Fluorescent Dye and Use Thereof - The invention relates to a fluorescent dye of general formula I or II | 12-29-2011 |
| 20120095242 | INTERMEDIATES AND METHODS FOR THE SYNTHESIS OF HALICHONDRIN B ANALOGS - Methods of synthesizing intermediates useful for the synthesis of halichondrin B analogs are described. | 04-19-2012 |
| 549339000 | Spiro ring is a cyclo in a tricyclo-carbocyclic ring system | 1 |
| 549340000 | Acyclic -C(=X)-, wherein X is chalcogen, containing | 1 |
| 20120178944 | PROCESS FOR THE PREPARATION OF 1, 2, 4-TRIOXOLANE ANTIMALARIALS - This invention relates to an improved process for the preparation of compounds of Formula I, salts of the free base cis-adamantane-2-spiro-3′-8′-[[[(2′-amino-2′-methyl propyl)amino]carbonyl]methyl]-1′,2′,4′-trioxaspiro[4.5]decane, Formula (I) wherein X is an anion. The compounds of Formula (I) have antimalarial activity. | 07-12-2012 |
| 549341000 | The spiro hetero ring is five-membered | 2 |
| 549342000 | Acyclic -C(=X)-, wherein X is chalcogen, containing | 2 |
| 20130211104 | PREPARATION OF BICYCLO[2.2.2]OCTAN-2-ONE COMPOUNDS - The present invention relates to a new process for the preparation of 6-hydroxy-5-arylbicyclo[2.2.2]octan-2-one compounds of the formula (II); which may subsequently be further transformed to compounds of the formula (I): | 08-15-2013 |
| 20140114080 | FLUORINATED MONOMER, POLYMER, RESIST COMPOSITION, AND PATTERNING PROCESS - A fluorinated monomer has formula (1) wherein R | 04-24-2014 |
| 549343000 | Both rings which form the spiro are hetero rings | 5 |
| 20100217019 | SYNTHESIS AND ANTICANCER ACTIVITY OF NEW ACTIN-TARGETING SMALL-MOLECULE AGENTS - The present invention provides a novel bistramide analog useful for treating various types of cancer. | 08-26-2010 |
| 20110082303 | PROCESS FOR THE MANUFACTURE OF LAIDLOMYCIN - Improved process for the isolation of laidlomycin from a fermentation broth includes increasing the pH of the fermentation broth and centrifuging the pH adjusted fermentation broth, resulting in an aqueous layer and a wet solid layer containing laidlomycin. After the aqueous layer is removed, the wet solid layer containing laidlomycin is dried. The process provides an efficient and high yielding method. | 04-07-2011 |
| 549344000 | Polycyclo ring system having one of the two hetero rings which form the spiro as one of the cyclos | 3 |
| 20110306778 | CRYSTAL OF SPIROKETAL DERIVATIVES AND PROCESS FOR PREPARATION OF SPIROKETAL DERIVATIVES - The present invention provides a process for preparing a spiroketal derivative, via an intermediate represented by Formula (VI): | 12-15-2011 |
| 20130023675 | DIAGNOSTIC FOR CANCER - An agent for diagnosing cancer comprising, as an active ingredient, a compound represented by the following formula (I) (R | 01-24-2013 |
| 20140323744 | PROCESS FOR PREPARATION OF (3R)-2,4-DI-LEAVING GROUP-3-METHYLBUT-1-ENE - The specification relates to compounds and process for the preparation of a compound of formula 7, | 10-30-2014 |
| 549345000 | Bicyclo ring system having the spiro hetero ring as one of the cyclos (e.g., griseofulvin, etc.) | 1 |
| 20100292489 | Cross-conjugated 2,5-cyclohexadienone and related synthesis methods - The present invention relates to methods for the synthesis of galanthamine, morphine, intermediates, salts and derivatives thereof. In preferred embodiments, the invention relates to methods for improving the efficiency and overall yield of said morphine, morphine related derivatives and intermediates thereof. In further embodiments, the invention relates to methods for improving the efficiency and overall yield of galanthamine and intermediates thereof. | 11-18-2010 |
