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1,3-diazines

Subclass of:

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

544000000 - ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1)

544000000 - 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)

544001000 - Hetero ring is six-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazines, etc.)

544224000 - The six-membered hetero ring consists of two nitrogens and four carbons (e.g., 1,2-diazines, etc.)

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
544245000 Polycyclo ring system having the diazine ring as one of the cyclos 290
544298000 Chalcogen bonded directly to diazine ring carbon 164
544322000 Nitrogen attached directly to diazine ring by nonionic bonding 116
544295000 Plural diazine rings 68
544297000 Nitrogen attached directly at 2-position by nonionic bonding and sulfur bonded directly to the nitrogen 48
544333000 Additional hetero ring which is unsaturated 38
544243000 Phosphorus attached directly or indirectly to the diazine ring by nonionic bonding 30
544335000 Chalcogen attached indirectly to the diazine ring by nonionic bonding 16
544334000 Halogen attached directly to the diazine ring by nonionic bonding 5
200900239231,3-Bis(Substituted Phenyl)-3-Hydroxypropan-1-One or 2-Propen-1-One Compound, and Salt Thereof - There is provided a novel process intermediate represented by the general formula (1) or (2):01-22-2009
20100160630PROCESS FOR PRODUCING TRICHLOROPYRIMIDINE COMPOUND - A process for producing a trichloropyrimidine compound represented by the formula (2):06-24-2010
20130060032POTASSIUM FLUORIDE DISPERSION AND PROCESS FOR PRODUCING FLUORINE-CONTAINING ORGANIC COMPOUND USING THE SAME - A potassium fluoride dispersion essentially consisting of potassium fluoride and an aprotic organic solvent having a boiling point higher than that of methanol, which is obtainable by mixing a mixture containing potassium fluoride and 5 to 50 parts by weight of methanol per 1 part by weight of potassium fluoride with the aprotic organic solvent followed by concentrating the obtained mixture, and a process for producing a fluorine-containing organic compound comprising contacting an organic compound having at least one group capable of being substituted nucleophilically with a fluorine atom with the potassium fluoride dispersion.03-07-2013
20140275539STABILIZATION OF RADIOIODINATED AND ASTATINATED PHARMACEUTICALS AND IMAGING AGENTS - Provided herein are stabilized radioiodinated and astatinated compounds, and to methods for their preparation.09-18-2014
20150368206METHODS FOR PREPARATION OF (4,6-DIHALO-PYRIMIDIN-5-YL)-ACETALDEHYDES - This invention relates to the synthesis of chemical compounds and particularly to methods for the preparation of (4,6-dihalo-pyrimidin-5-yl)-acetaldehydes. The methods involve preparing a compound of the following general formula V from a compound of the following general formula IV through hydrolysis under the action of mercury dichloride and calcium carbonate, according to the following equation:12-24-2015
544294000 Polycyclo-carbocyclic ring system having at least three cyclos 1
20140243527PURIFICATION METHODS FOR BETULONIC ACID AND BOC-LYSINATED BETULONIC ACID, AND ORGANIC SYNTHESIS OF BETULONIC ACID AMIDES WITH PIPERAZINE DERIVATIVES - The present invention provides a method of purifying betulonic acid contained the reaction product of organic synthesis of a Jones oxidation reagent and betulin extracted from the bark of a birch, a method of preparing a piperazine betulonic acid amide derivative, which is used as a chemical having an antibacterial function, using the high-purity betulonic acid obtained by the purification method and a derivative prepared by this method, a method of purifying a Boc-lysinated betulonic acid monomer ester contained in the reaction product of organic synthesis of lysine and the high-purity betulonic acid (starting material) obtained by the purification method, and a method of purifying Boc-lysinated betulonic acid contained in the reaction product of hydrolysis of the high-purity Boc-lysinated betulonic acid monomer ester.08-28-2014
Entries
DocumentTitleDate
20090043096METHOD OF PRODUCING AROMATIC COMPOUND - A method of producing an aromatic compound of the following formula (3) comprising reacting a compound of the following formula (1) with an olefin compound of the following formula (2) in the presence of a transition metal complex:02-12-2009
20090176983Tenofovir Disoproxil Hemi-Fumaric Acid Co-Crystal - The present invention provides a novel crystalline form of Tenofovir disoproxil fumarate (Tenofovir DF), designated Co-crystal TDFA 2:1, methods for the preparation thereof and its use in pharmaceutical applications, in particular in anti-HIV medicaments. The crystalline form TDFA 2:1 can be used in combination with other anti-HIV medicaments such as Efavirenz, Emtricitabine, Ritonavir and/or TMC114.07-09-2009
20090221820Ligands for Transition-Metal-Catalyzed Cross-Couplings, and Methods of Use Thereof - Ligands for transition metals are disclosed herein, which may be used in various transition-metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming reactions. The disclosed methods provide improvements in many features of the transition-metal-catalyzed reactions, including the range of suitable substrates, number of catalyst turnovers, reaction conditions, and efficiency. For example, improvements have been realized in transition-metal-catalyzed cross-coupling reactions.09-03-2009
20090234119Ionic Liquids - The present invention relates to compositions of matter that are ionic liquids, the compositions comprising any of eleven cations combined with any of three fluorinated sulfonated anions. Compositions of the invention should be useful as solvents and, perhaps, as catalysts for many reactions, including aromatic electrophilic substitution, nitration, acylation, esterification, etherification, oligomerization, transesterification, isomerization and hydration.09-17-2009
20100184977Nickel or Iron Catalysed Carbon-Carbon Coupling Reaction of Arylenes, Alkenes and Alkines - Organozinc compounds of the type R07-22-2010
20100261900Process for the palladium-catalyzed coupling of terminal alkynes with heteroaryl tosylates and heteroaryl benzenesulfonates - A process for the palladium-catalyzed coupling of terminal alkynes with heteroaryl tosylates and heteroaryl benzenesulfonates10-14-2010
20110263849METHOD FOR RAPIDLY METHYLATING HETEROAROMATIC ARENE AND METHOD FOR PRODUCING TRACER FOR USE IN PET - Provided is a method whereby a heteroaromatic ring aryl can be very rapidly methylated at a high yield. In an N-alkyl-2-pyrrolidinone, a heteroaromatic ring aryltrialkylstannan is cross-coupled with methyl iodide in the presence of a palladium complex, a phosphine ligand, a cuprous halide, a carbonic acid salt and/or an alkali metal fluoride to thereby rapidly methylate the heteroaromatic ring aryl. (Formula shows a case wherein the heteroaromatic ring aryl is a pyridyl group.)10-27-2011
20160046609SYNTHESIS AND NOVEL SALT FORMS OF (R)-5-((E)-2-PYRROLIDIN-3YLVINYL)PYRIMIDINE - The present invention relates to the stereospecific synthesis of (R)-5-((E)-2-pyrrolidin-3-ylvinyl)pyrimidine, its salt forms, and novel polymorphic forms of these salts.02-18-2016

Patent applications in class 1,3-diazines

Patent applications in all subclasses 1,3-diazines

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