| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 540454000 |
Chalcogen in the hetero ring
| 56 |
| 540460000 |
Plural nitrogens in the hetero ring
| 33 |
| 540464000 |
Utilizing oximes, oxime salts, hydroxylamines, hydroxylamine salts or nitrosating agents to form the hetero ring (i.e., formation of the lactam ring)
| 15 |
| 540461000 |
Polycyclo ring system which contains the hetero ring as one of the cyclos
| 8 |
| 540453000 |
Spiro | 5 |
| 20090198050 | Macrocyclic Modulators of the Ghrelin Receptor - The present invention provides novel conformationally-defined macrocyclic compounds that have been demonstrated to be selective modulators of the ghrelin receptor (growth hormone secretagogue receptor, GHS-R1a and subtypes, isoforms and variants thereof). Methods of synthesizing the novel compounds are also described herein. These compounds are useful as agonists of the ghrelin receptor and as medicaments for treatment and prevention of a range of medical conditions including, but not limited to, metabolic and/or endocrine disorders, gastrointestinal disorders, cardiovascular disorders, obesity and obesity-associated disorders, central nervous system disorders, genetic disorders, hyperproliferative disorders and inflammatory disorders. | 08-06-2009 |
| 20120202988 | PROCESS FOR THE PREPARATION OF RAPAMYCIN DERIVATIVES - The invention relates to processes for the preparation of compound of CCI-779 having the Formula (I), which is useful as an antineoplastic agent. The invention further relates to certain novel intermediates useful in the preparation of compound of CCI-779 and processes for their preparation. The invention also relates to pharmaceutical compositions that include the compound of CCI-779, prepared according to the processes disclosed herein. | 08-09-2012 |
| 20120208995 | NOVEL MACROCYCLIC INHIBITORS OF HEPATITIS C VIRUS REPLICATION - The embodiments provide compounds of the general Formulae I through general Formula VIII, as well as compositions, including pharmaceutical compositions, comprising a subject compound. The embodiments further provide treatment methods, including methods of treating a hepatitis C virus infection and methods of treating liver fibrosis, the methods generally involving administering to an individual in need thereof an effective amount of a subject compound or composition. | 08-16-2012 |
| 20130085273 | PROCESS FOR PRODUCING AN INTERMEDIATE FOR A CYCLIC CARBODIIMIDE COMPOUND - A process for producing an intermediate for a cyclic carbodiimide compound. | 04-04-2013 |
| 20160016956 | SPIROIMIDAZOLONE DERIVATIVE - The present invention relates to a compound represented by the following formula (1): | 01-21-2016 |
| 540452000 |
Heavy metal, aluminum, boron or silicon containing | 2 |
| 20100292464 | OPTICAL-ISOMER SEPARATING AGENT FOR CHROMATOGRAPHY AND PROCESS FOR PRODUCING THE SAME - A novel optical-isomer separating agent for chromatography is provided which has, as a chiral selector, a macrocyclic amide compound having the ability to function as a chiral shift agent. The optical-isomer separating agent for chromatography is formed by bonding, with a carrier by chemical bonding, a specific ring structure containing an asymmetry recognition site, an amide group as a hydrogen-bond donor site, and a hydrogen-bond acceptor site. | 11-18-2010 |
| 20120323000 | Z-SELECTIVE RING-CLOSING METATHESIS REACTIONS - The present invention relates generally to olefin metathesis. In some embodiments, the present invention provides methods for Z-selective ring-closing metathesis. | 12-20-2012 |
| 540463000 |
Nitrogen or additional chalcogen attached directly to the hetero ring by nonionic bonding | 1 |
| 20100267943 | INTERMEDIATES AND METHODS FOR THE PREPARATION OF EPOTHILONES - Highly efficient methods are provided for preparing key intermediates in the synthesis of epothilones and use new alane reagents which are broadly applicable and can provide selected components having a variety of substituents groups. | 10-21-2010 |
| Entries |
| Document | Title | Date |
|---|
| 20090088567 | PURIFICATION OF A CRUDE LACTAM MIXTURE BY MEANS OF MELT CRYSTALLIZATION - The present invention provides a method for purifying laurolactam from a crude lactam mixture. In the method of the present invention, laurolactam is selectively crystallized by melt crystallization with controlled cooling of the crude lactam mixture. | 04-02-2009 |
| 20090306367 | PROCESS FOR PREPARING AMIDES FROM KETOXIMES - The present invention is directed to a process for preparing amides. In particular, the process is directed to a process performable on the industrial scale, in which a ketoxime can be converted to a cyclic or acyclic amide by means of a Beckmann rearrangement using 2,4,6-trichloro-1,3,5-triazine as a catalyst in a nonpolar organic solvent. | 12-10-2009 |
| 20110124855 | METHOD FOR ISOLATION OF LAUROLACTAM FROM A LAUROLACTAM SYNTHESIS PROCESS STREAM - A process for purifying laurolactam by means of integrated connection of distillation and crystallization is provided. The crystallization is performed as a solution or melt crystallization. The process reduces thermal stress applied to the laurolactam stream and improved yields are obtained. Raw materials are recovered and recycled in the production sequence. | 05-26-2011 |
| 20110237791 | 2-PYRIDONE COMPOUNDS - A 2-pyridone compound represented by the formula [1]: | 09-29-2011 |
| 20130261296 | CATALYST COMPLEX WITH CARBENE LIGAND - Catalytic complexes including a metal atom having anionic ligands, at least one nucleophilic carbene ligand, and an alkylidene, vinylidene, or allenylidene ligand. The complexes are highly stable to air, moisture and thermal degradation. The complexes are designed to efficiently carry out a variety of olefin metathesis reactions. | 10-03-2013 |
| 20150328619 | MEMBRANE-SUPPORTED CATALYST REMOVAL IN THE EPOXIDATION OF CYCLIC UNSATURATED C12 COMPOUNDS, FOR EXAMPLE CYCLODODECENE (CDEN) - A homogeneous catalyst system is removed from a reaction mixture of two liquid phases by separating the two liquid phases with a membrane having at least one separation-active layer in such a way that the homogeneous catalyst system is at least partially concentrated in a membrane retentate; wherein the reaction mixture contains at least one partially epoxidized cyclic unsaturated compound having twelve carbon atoms; and wherein the membrane separation-active layer contains crosslinked a silicone acrylate and/or polydimethylsiloxane and/or polyimide. | 11-19-2015 |
| 20160096794 | CATALYST SYSTEM FOR PRODUCING KETONES FROM EPOXIDES - A catalyst composition is useful for producing a ketone from a compound containing at least one epoxide group, and the catalyst composition contains at least one precious metal; and at least one mixed oxide; wherein the mixed oxide contains zirconium dioxide and silicon dioxide; wherein the precious metal is supported and the support is not entirely made of the mixed oxide; and wherein a mass ratio of zirconium dioxide to silicon dioxide in the mixed oxide is 86:14 to 99.9:0.1. | 04-07-2016 |
