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Hetero ring is six-membered consisting of one nitrogen and five carbons

Subclass of:

546 - Organic compounds -- part of the class 532-570 series

546000000 - ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1)

546000000 - HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM, OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS (Class 540, subclass 1)

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
546026000 Polycyclo ring system having the six-membered hetero ring as one of the cyclos 670
546268100 Additional hetero ring containing 216
546184000 Piperidines 206
546002000 Heavy metal or aluminum containing 166
546314000 Carbonyl bonded directly to the six-membered hetero ring 52
546290000 Chalcogen bonded directly to ring carbon of the six-membered hetero ring 50
546015000 Spiro 45
546329000 Nitrogen attached indirectly to the six-membered hetero ring by nonionic bonding 43
546255000 Plural pyridine or partially hydrogenated pyridine rings 38
546304000 Nitrogen attached directly to the six-membered hetero ring by nonionic bonding 37
546022000 Phosphorus attached indirectly to the six-membered hetero ring by nonionic bonding 37
546013000 Boron containing 19
546014000 Silicon containing 18
546339000 Chalcogen attached indirectly to the six-membered hetero ring by nonionic bonding (e.g., sulfato betaines, etc.) 15
546250000 Process of forming pyridine ring 14
546286000 Cyano bonded directly to the six-membered hetero ring 11
546021000 Phosphorus attached directly to the six-membered hetero ring by nonionic bonding 10
546348000 Unsubstituted or hydrocarbyl substituted only, or salt thereof 7
546345000 Halogen attached directly to the six-membered hetero ring by nonionic bonding 5
20100160641PROCESS FOR PRODUCING DIHALOPYRIDINES - Disclosed herein an improved process for producing 2,3-dihalopyridine with high purity at industrial scale with minimum effluent.06-24-2010
20100324299METHOD FOR PURIFICATION OF PYRIDINE, AND METHOD FOR PRODUCTION OF CHLORINATED PYRIDINE - A method of purifying crude pyridine on an industrial scale at low cost and in a simple manner is provided. More specifically, a pyridine purification method including subjecting crude pyridine to an alkali treatment and then to distillation, or a pyridine purification method including adding an acid or water to crude pyridine, and subjecting the resulting mixture to an alkali treatment and then to distillation is provided. According to the purification method of the present invention, crude pyridine can be purified on an industrial scale at low cost and in a simple manner. Moreover, the pyridine purified by this method is useful as a starting material for various organic syntheses because of its high purity. For example, the pyridine can be reacted with chlorine to produce a chlorinated pyridine in a high yield.12-23-2010
20100016607Process for the Synthesis of Highly Active Binary Metal Fluoride as a Fluorinating Agent for Aromatics - The subject invention relates to a process for the synthesis of highly active binary metal fluoride system for the fluorination of aromatic compounds. Fluorinated aromatic compounds are valuable synthons for the chemical synthesis of pharmaceutical drugs and novel polymers. Fluorobenzene is used to control carbon content in steel manufacturing, is an intermediate for pharmaceuticals, pesticides and other organic compounds. Fluorobenzene is typically produced by the reaction of aniline and sodium nitrite in the presence of hydrogen fluoride. The present invention relates to a process for the synthesis of highly active binary metal fluoride system consists of copper (II) fluoride and aluminum (III) fluoride for the fluorination of aromatic compounds in gas phase and recycling of the reagent, in situ, using O01-21-2010
20120259125PROCESSES FOR PRODUCING 2-CHLORO-3-TRIFLUOROMETHYLPYRIDINE - The present invention provides processes for producing 2-chloro-3-trifluoromethylpyridine which is useful as an intermediate for medicines and agrochemicals, at a high production rate in a high yield. Specifically, the present invention relates to a process for producing 2-chloro-3-trifluoromethylpyridine or a salt thereof comprising allowing 3-trifluoromethylpyridine N-oxide to react with a chlorinating agent; and also relates to a process for producing 2-chloro-3-trifluoromethylpyridine or a salt thereof comprising oxidizing 3-trifluoromethylpyridine to produce 3-trifluoromethylpyridine N-oxide and subsequently allowing the obtained 3-trifluoromethylpyridine N-oxide to react with a chlorinating agent.10-11-2012
20100280253PRODUCTION METHOD OF 6-HALOGENO-3-ARYLPYRIDINE DERIVATIVE - [Problem] The present invention provides an industrially advantageous production method of a 6-halogeno-3-arylpyridine derivative in which cryogenic condition is not required, production step is short, and an isomer difficult to be separated is not produced as a by-product,11-04-2010
546346000 Halogen attached indirectly to the six-membered hetero ring by nonionic bonding 4
20130165660COMPLEXES - A complex of formula (1),06-27-2013
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
20120245360Copper-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
20080255365Microparticulate 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
546285000 Polycyclo-carbocyclic ring system having at least three cyclos 3
20110295017Organic EL Device - A highly stable organic EL material having the properties of both benzofluoranthene and anthracene structures is provided.12-01-2011
20100261911THERAPEUTIC AGENT FOR TRPV1-MEDIATED DISEASE - An object of the present invention is to find a novel pharmacological action of a urea compound having a structure represented by the general formula [I]. The urea compound having a structure represented by the general formula [I] or a salt thereof has an excellent therapeutic effect on a TRPV1-mediated disease. In the formula, A represents a lower alkylene group or a lower alkenylene group; R10-14-2010
20110190505Iodonium Cyclophanes for SECURE Arene Functionalization - This disclosure relates to compounds, reagents, and methods useful in the synthesis of aryl fluorides, for example, in the preparation of 08-04-2011
546347000 The ring nitrogen of the six-membered hetero ring is pentavalent (e.g., quaternary pyridinium salts, etc.) 3
20080221334Process 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
20120330023Alkyl Pyridinium Dicyanamides and Method For The Production Thereof - Alkylpyridinium dicyanamide of the formula:12-27-2012
20090253914PROCESS 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
546249000 Process of forming partially hydrogenated pyridine ring 1
20090005569PROCESS 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

Patent applications in all subclasses Hetero ring is six-membered consisting of one nitrogen and five carbons