| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 548407000 | Spiro | 22 |
| 20110118476 | Process for Preparing Chiral Compounds - The present invention is directed to a 2-deoxyribose-5-phosphate aldolase (DERA) chemoenzymatic process for making chiral compounds. | 05-19-2011 |
| 20120149914 | Method for Synthesizing Substituted Aminocyclohexanone Compounds - A method of synthesizing a substituted aminocyclohexanone compound comprising reacting a compound of formula (II) | 06-14-2012 |
| 20130150589 | Solid forms of (1 r,4r)-6' -fluoro-(N, N-dimethyl)-4-phenyl-4' ,9'-dihydro-3'H-spiro[cyclohexane-1,1 '-pyrano-[3,4,b]indol]-4-amine and sulfuric acid - Solid forms of (1r,4r)-6′-fluoro-N,N-dimethyl-4-phenyl-4′,9′-dihydro-3′H-spiro[cyclohexane-1,1′-pyrano[3,4b]indol]-4-amine and sulfuric acid such as (1r,4r)-6′-fluoro-N,N-dimethyl-4-phenyl-4′,9′-dihydro-3′H-spiro[cyclohexane-1,1′-pyrano[3,4b]indol]-4-amine sulfate or hemi-sulfate, particularly crystalline forms and/or amorphous forms thereof, pharmaceutical compositions and medicaments containing these solid forms, the use of these solid forms, and a process for obtaining such solid forms. | 06-13-2013 |
| 20130150590 | Process for the preparation of (1r,4r)-6'-fluoro-(N,N-dimethyl- and N-methyl)-4-phenyl-4',9'-dihydro-3'H-spiro[cyclohexane-1,1'-pyrano-[3,4,b- ]indol]-4-amine - A process for the preparation of (1r,4r)-6′-fluoro-N,N-dimethyl-4-phenyl-4′,9′-dihydro-3′H-spiro[cyclohexane-1,1′-pyrano[3,4b]indol]-4-amine and (1r,4r)-6′-fluoro-N-methyl-4-phenyl-4′,9′-dihydro-3′H-spiro[cyclohexane-1,1′-pyrano[3,4b]-indol]-4-amine or physiologically acceptable acid addition salts thereof. | 06-13-2013 |
| 20130324741 | NOVEL SPIROBIFLUORENE COMPOUNDS - Novel substituted spirobifluorene compounds useful as intermediates for materials in organic electronics devices | 12-05-2013 |
| 20140081031 | Anthracene Derivative, Light-Emitting Element, Light-Emitting Device, and Electronic Appliance - Novel anthracene derivatives are provided. Further, a light-emitting element, a light-emitting device, and an electronic appliance each using the novel anthracene derivative are provided. Anthracene derivatives represented by general formulae (G11) and (G21) are provided. The anthracene derivatives represented by the general formulae (G11) and (G21) each emit blue light with high color purity and have a carrier-transporting property. Therefore, each of the anthracene derivatives represented by the general formulae (G11) and (G21) is suitable for use in a light-emitting element, a light-emitting device, and an electronic appliance. | 03-20-2014 |
| 548408000 | The spiro includes the five-membered hetero ring | 16 |
| 20090270637 | PROCESS FOR PREPARATION OF TETRASUBSTITUTED 5-AZASPIRO[2.4]- HEPTANE DERIVATIVES AND OPTICALLY ACTIVE INTERMEDIATES THEREOF - The present invention provides a method for effectively producing an optically active form of tetrasubstituted-5-azaspiro[2.4]heptane derivative, which serves as a useful production intermediate for quinolonecarboxylic acid antibacterial agents, and intermediates for the derivative. The present invention is directed to a method for producing a compound (VII) according to the following scheme. | 10-29-2009 |
| 20100324303 | Use of Tetramic Acid Derivatives for Controlling Animal Pests After Treatment of the Trunk, the Branches, the Influorescences or the Buds - The present invention relates to the use of tetramic acid derivatives of the formulae (I) or (II) | 12-23-2010 |
| 20120172605 | METHOD FOR PRODUCING ASYMMETRIC TETRASUBSTITUTED CARBON ATOM-CONTAINING COMPOUND - The invention provides an industrial method for producing a spiroaminopyrrolidone derivative, which is an intermediate for producing a quinolone antibacterial agent. | 07-05-2012 |
| 20120232288 | TRI-, TETRA-SUBSTITUTED-3-AMINOPYRROLIDINE DERIVATIVE - An intermediate for production of a quinolone synthetic antibacterial agent and a therapeutic agent for an infection which exhibit broad spectrum and strong antibacterial activity for both Gram positive and Gram negative bacteria. | 09-13-2012 |
| 20140187793 | PROCESSES FOR THE PREPARATION OF 5-AZASPIRO[2.4]HEPTANE-6-CARBOXYLIC ACID AND ITS DERIVATIVES - The present invention relates generally to an improved process for the preparation of 5-azaspiro[2.4]heptane-6-carboxylic acid and its derivatives which are useful intermediates in the synthesis of biologically active molecules, especially in the synthesis of hepatits C virus NS5A inhibitors. In particular, the present invention relates to processes and intermediates for the preparation of compounds of formulae (Ia), (Ib) and (Ic): | 07-03-2014 |
| 20190144385 | Method for preparing cis-alkoxy-substituted spirocyclic 1-H-pyrrolidine-2,4-dione derivatives | 05-16-2019 |
| 548409000 | Both rings which form the spiro are hetero rings | 7 |
| 548410000 | Acyclic chalcogen attached directly to the five-membered nitrogen containing spiro hetero ring by nonionic bonding | 7 |
| 20100041900 | Isolation of lactam compound from adlay bran and its use on anti-proliferative cancer cells - The invention relates to the active lactam compounds with inhibitory effect (anti-proliferative effect) on cancer cells, which are isolated from adlay ( | 02-18-2010 |
| 20110213160 | 2,4,6-Phenyl-Substituted Derivatives - The invention relates to novel 2,4,6-phenyl-substituted cyclic ketoenols of the formula (I), | 09-01-2011 |
| 20120190865 | Process for the Preparation of 1-H-pyrrolidine-2,4-dione Derivatives - The present invention relates to a novel process for the preparation of 1-H-pyrrolidine-2,4-dione derivatives and to novel intermediates and to a process for their preparation. | 07-26-2012 |
| 20130137879 | FLUORESCENT PROBE COMPOUNDS, PREPARATION METHOD AND USE THEREOF - A fluorescence probe compound, its preparation method and use are provided. The said compound is represented by the general formula I, wherein, each of R | 05-30-2013 |
| 20130274483 | ASYMMETRIC SYNTHESES FOR SPIRO-OXINDOLE COMPOUNDS USEFUL AS THERAPEUTIC AGENTS - This invention is directed to asymmetric syntheses of certain spiro-oxindole derivatives, which are useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain. | 10-17-2013 |
| 20140336390 | SYNTHETIC METHODS FOR SPIRO-OXINDOLE COMPOUNDS - This invention is directed to methods of preparing certain spiro-oxindole derivatives, which are useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain. | 11-13-2014 |
| 20140371468 | Process for the Preparation of 1-H-pyrrolidine-2,4-dione Derivatives - The present invention relates to a novel process for the preparation of 1-H-pyrrolidine-2,4-dione derivatives and to novel intermediates and to a process for their preparation. | 12-18-2014 |
| 548411000 | Polycyclo ring system having one of the two rings which form the spiro as one of the cyclos | 3 |
| 20080319204 | PROCESS FOR THE SYNTHESIS OF PROGESTERONE RECEPTOR MODULATORS - Processes for preparing substituted oxindole-2-ones, and specifically the following, are described, wherein R | 12-25-2008 |
| 20110178311 | Purification of Progesterone Receptor Modulators - Processes are provided for purifying a compound of the structure (I): | 07-21-2011 |
| 20140309434 | SYNTHESIS OF PSUEDO INDOXYL DERIVATIVES - The patent discloses novel 2,2-disubstituted 1,2-dihydro-3H-indol-3-one derivatives and their preparation thereof. | 10-16-2014 |
