Class / Patent application number | Description | Number of patent applications / Date published |
546026000 |
Polycyclo ring system having the six-membered hetero ring as one of the cyclos
| 999 |
546268100 |
Additional hetero ring containing
| 326 |
546184000 |
Piperidines
| 299 |
546002000 |
Heavy metal or aluminum containing
| 275 |
546290000 |
Chalcogen bonded directly to ring carbon of the six-membered hetero ring
| 84 |
546015000 |
Spiro
| 80 |
546314000 |
Carbonyl bonded directly to the six-membered hetero ring
| 77 |
546255000 |
Plural pyridine or partially hydrogenated pyridine rings
| 70 |
546329000 |
Nitrogen attached indirectly to the six-membered hetero ring by nonionic bonding
| 61 |
546304000 |
Nitrogen attached directly to the six-membered hetero ring by nonionic bonding
| 57 |
546022000 |
Phosphorus attached indirectly to the six-membered hetero ring by nonionic bonding
| 49 |
546014000 |
Silicon containing
| 36 |
546013000 |
Boron containing
| 32 |
546339000 |
Chalcogen attached indirectly to the six-membered hetero ring by nonionic bonding (e.g., sulfato betaines, etc.)
| 25 |
546250000 |
Process of forming pyridine ring
| 18 |
546286000 |
Cyano bonded directly to the six-membered hetero ring
| 16 |
546021000 |
Phosphorus attached directly to the six-membered hetero ring by nonionic bonding
| 12 |
546348000 |
Unsubstituted or hydrocarbyl substituted only, or salt thereof
| 12 |
546285000 |
Polycyclo-carbocyclic ring system having at least three cyclos
| 7 |
546345000 |
Halogen attached directly to the six-membered hetero ring by nonionic bonding
| 7 |
546346000 |
Halogen attached indirectly to the six-membered hetero ring by nonionic bonding | 5 |
20080255365 | Microparticulate form of a Tetrahydropyridine derivative - The invention relates to a microparticulate form of 1-[2-(2-naphthyl)-ethyl]-4-(3-trifluoromethylphenyl)-1,2,3,6-tetrahydropyridine hydrochloride consisting of particles for which at least 55% of the population have a diameter below 50 micrometers, and to pharmaceutical compositions in which it is present. | 10-16-2008 |
20120035372 | METHOD FOR PRODUCING 2-HALOGENO-6-SUBSTITUTED-4-TRIFLUOROMETHYLPYRIDINE - The present invention relates to a process of a process for producing a 2-halogeno-6-substituted-4-trifluoromethylpyridine. Specifically, the present invention provides a process for producing a 2-halogeno-6-substituted-4-trifluoromethylpyridine represented by the formula (I): | 02-09-2012 |
20120245360 | Copper-catalysed Process for the Production of Substituted or Unsubstituted Trifluormethylated Aryl and Heteroaryl Compounds - The present invention relates to a process for the production of trifluoromethylated unsubstituted or substituted aryl or heteroaryl compounds which comprises reacting an unsubstituted or substituted aryl or heteroaryl halide with a trifluoroacetate of formula (I) or (II), | 09-27-2012 |
20130165660 | COMPLEXES - A complex of formula (1), | 06-27-2013 |
20140213792 | METHOD FOR PRODUCING OPTICALLY ACTIVE 2-ARYLPIPERIDINIUM SALT - Disclosed is a method for producing an optically active 2-arylpiperidinium salt, comprising asymmetrically hydrogenating a pyridinium salt in the presence of an iridium complex and hydrogen, the 2-arylpiperidinium salt being represented by the following general formula (1): | 07-31-2014 |
546347000 |
The ring nitrogen of the six-membered hetero ring is pentavalent (e.g., quaternary pyridinium salts, etc.) | 4 |
20080221334 | Process for the Preparation of Onium Alkylsulfonates - The invention relates to a process for the preparation of onium alkylsulfonates by reaction of an onium halide or carboxylate with a symmetrically substituted dialkyl sulfite or with an asymmetrically substituted dialkyl sulfite at temperatures of 50 to 170° C. | 09-11-2008 |
20090253914 | PROCESS FOR THE PREPARATION OF ONIUM SALTS WITH DIALKYLPHOSPHATE, DIALKYLPHOSPHINATE OR (O-ALKYL)ALKYL- OR ALKYLPHOSPHONATE ANIONS HAVING A LOW HALIDE CONTENT - The invention relates to a process for the preparation of onium salts with dialkylphosphate, dialkylphosphinate or (O-alkyl)alkyl- or alkylphosphonate anions by reaction of an onium halide with a triallyl phosphate, alkyl dialkylphosphinate, dialkyl alkylphosphonate or trialkylsilyl ester or mixed alkyl trialkylsilyl ester of phosphoric, dialkylphosphinic or alkylphosphonic acid. | 10-08-2009 |
20120330023 | Alkyl Pyridinium Dicyanamides and Method For The Production Thereof - Alkylpyridinium dicyanamide of the formula: | 12-27-2012 |
20160254098 | METHOD FOR PREPARING IONIC LIQUID HAVING CARBOXYLIC ACID ANION USING MICROREACTOR | 09-01-2016 |
546249000 |
Process of forming partially hydrogenated pyridine ring | 1 |
20090005569 | PROCESS FOR THE PREPARATION OF 4-TRIFLUOROMETHYL-2(1H)-PYRIDINONE - 4-Trifluoromethyl-2(1H)-pyridinone is prepared from an alkyl vinyl ether and trifluoroacetyl chloride in a four step process. | 01-01-2009 |