| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 546192000 |
Additional ring containing
| 214 |
| 546242000 |
Chalcogen bonded directly to ring carbon of the piperidine ring
| 17 |
| 546186000 |
Plural piperidine rings
| 16 |
| 546244000 |
Nitrogen attached directly to the piperidine ring by nonionic bonding
| 14 |
| 546245000 |
Having -C(=X)-, wherein X is chalcogen, bonded directly to the piperidine ring
| 9 |
| 546248000 |
Chalcogen attached indirectly to the piperidine ring by nonionic bonding
| 8 |
| 546185000 |
Process of forming a piperidine ring from a pyridine ring or from a partially hydrogenated pyridine ring
| 8 |
| 546246000 |
Nitrogen attached indirectly to the piperidine ring by nonionic bonding | 2 |
| 20100016602 | NOVEL ARYLAMIDINE DERIVATIVE, SALT THEREOF AND ANTIFUNGAL AGENT CONTAINING THOSE - Disclosed is an arylamidine derivative represented by the following general formula: | 01-21-2010 |
| 20150353491 | 2,6-BIS-(AMINOMETHYL)PIPERIDINE DERIVATIVES - The present invention relates to 2,6-bis(aminomethyl)piperidine derivatives as such (in the following text abbreviated to “2,6-BAMP derivatives”) which are defined by the general formula (I) shown in the following text. In addition, the present invention relates to a process for preparing such 2,6-BAMP derivatives by hydrogenation of the corresponding 2,6-dicyanopiperidine derivatives (hereinafter abbreviated to “2,6-DCP derivatives”) in the presence of a catalyst. The present invention further provides for the use of the 2,6-BAMP derivatives of the invention as hardeners for epoxy resins, as intermediate in the preparation of diisocyanates, which play an important role in the production of polyurethanes, as starters in the preparation of polyetherols and/or as monomers for polyamide production. The present invention further relates to the diisocyanates as such prepared from the 2,6-BAMP derivatives and also the corresponding preparative process. | 12-10-2015 |
| Entries |
| Document | Title | Date |
|---|
| 20090156824 | Hydroamination of Alkenes - A method includes reacting an amino group, a composition including rhodium and an organic ligand, and a substrate having structural formula (I) in a reaction mixture. | 06-18-2009 |
| 20090176988 | Preparation and Use of Magnesium Amides - The present application relates to mixed Mg/Li amides of the general formula R1R2N—Mg(NR3R4)mX,m zLiY (II) wherein R | 07-09-2009 |
| 20090306391 | METHOD FOR DEPROTECTING ARYL OR ALKYL SULFONAMIDES OF PRIMARY OR SECONDARY AMINES - The invention relates to a method for removing an alkyl sulfonyl or aryl sulfonyl protecting group from a primary or secondary amine by contacting an alkyl sulfonamide or an aryl sulfonamide with a Stage 0 or Stage I alkali metal-silica gel material in the presence of a solid proton source under conditions sufficient to form the corresponding amine. The invention also relates to a method for removing an alkyl sulfonyl or aryl sulfonyl protecting group from a primary or secondary amine by a) reacting an alkyl sulfonamide or an aryl sulfonamide with a Stage 0 or Stage I alkali metal-silica gel material, and b) subsequently reacting the reaction product from step a) with an electrophile or a proton source. Preferred Stage 0 or Stage I alkali metal-silica gel materials include Na, K | 12-10-2009 |
| 20110034693 | PREPARATION OF METHYLPENTAMETHYLENEDIAMINE AND METHYLPIPERIDINE - Methyl-2-pentamethylenediamine and methyl-3-piperidine are prepared by hydrogenation of methylglutaronitrile in the presence of a catalyst including cobalt, chromium, and nickel, especially a catalyst based on Raney cobalt doped with nickel and chromium. | 02-10-2011 |
| 20110060144 | METHOD FOR MANUFACTURING MAGNESIUM AMIDES - A method for manufacturing amidomagnesium halogenides and admixtures thereof with alkali metal salts in aparotic, organic solvents, compounds obtained according to the method and use thereof in synthesis chemistry, for example for deprotonizing enolizable systems, functionalized aromatics and heteroaromatics. | 03-10-2011 |
| 20110172430 | METHOD FOR THE CONTINUOUS PRODUCTION OF AN AMINE USING AN ALUMINUM-COPPER CATALYST - Process for the continuous preparation of an amine by reaction of a primary or secondary alcohol, aldehyde and/or ketone with hydrogen and a nitrogen compound selected from the group consisting of ammonia, primary and secondary amines at a temperature in the range from 60 to 300° C. in the presence of a catalyst comprising copper oxide and aluminum oxide, wherein the reaction takes place in the gas phase and the catalytically active composition of the catalyst before reduction with hydrogen comprises PS from 20 to 75% by weight of aluminum oxide (Al | 07-14-2011 |
| 20120302756 | PROCESS FOR SYNTHESIS OF 2-SUBSTITUTED PYRROLIDINES AND PIPERADINES - The present invention provides a highly efficient, versatile one-step process for asymmetric synthesis of either diastereomer of 2-substituted pyrrolidines from a single starting material with excellent yields and high diastereoselectivety. Also provided is a method for the asymmetric synthesis of both diastereomers of 2-substituted piperidines with good yields and excellent diastereoselectivety. Diasteroselectivity is controlled effectively by choice of reducing agent. | 11-29-2012 |
| 20150025245 | PROCESS FOR PREPARING CHLOROAMINES - The present application relates to a process for preparing chloroamines which can be used as precursors for syntheses of fine chemicals and active ingredients from pharmaceuticals and/or agriculture, by reaction of secondary amines of the formula (II) with chlorine gas in the presence of an aqueous alkali metal or alkaline earth metal oxide base. | 01-22-2015 |
| 20150368182 | PREPARATION OF FLUOROSULFONATE ESTERS AND ONIUM SALTS DERIVED THEREFROM - The present invention is directed to methods for preparing a fluorosulfonate ester or a salt thereof, through a reaction of a dissolved sulfonyl fluoride (R | 12-24-2015 |
| 20160009632 | METHOD FOR ALKYLATION OF AMINES | 01-14-2016 |
| 20160181665 | FLUORIDE ION BATTERY ELECTROLYTE COMPOSITIONS | 06-23-2016 |
