| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 568425000 | Benzene ring containing | 51 |
| 20100113835 | Method for producing optically active aziridine compounds and amine compounds as well as complexes and their intermediates used in this method - This invention provides a method for producing an optically active aziridine compound or amine compound, which uses as a catalyst a Ru(salen)(CO) complex represented by the following formula (I) or its enantiomer having a high stability, in a high turnover number (TON) and a high enantioselectivity. In the formula (I), Ar is represented by the following formula (VI) or (VII), wherein in the formula (VI), Xs are independently a halogen or a halogenated alkyl group and R | 05-06-2010 |
| 20140142343 | Novel Fragrance Compounds - A compound having the structure | 05-22-2014 |
| 20150353461 | COMPOUND HAVING CYCLOPROPANE RING, AND FLAVOR AND/OR FRAGRANCE COMPOSITION CONTAINING SAME - Provided are a compound of formula (1), having a cyclopropane ring, which can impart a floral or citrus-like aroma and a flavor composition containing at least one compound of formula (1): | 12-10-2015 |
| 568426000 | Processes | 47 |
| 20090118546 | METHODS FOR STABILIZING LITHIATED HALOGEN-SUBSTITUTED AROMATIC COMPOUNDS - The present invention provides novel methods for stabilizing lithiated halogen-substituted aromatic compounds. In particular, the method is useful for the preparation of 2-methoxy-5, 6-difluorobenzaldehyde, an important intermediate for the preparation of [4-amino-2-(1-methanesulfonylpiperidin-4-ylamino) pyrimidin-5-yl](2,3-difluoro-6methoxyphenyl)methanone, a potent and selective inhibitor of CDK4/Cyclin D1, CDK2/Cyclin E and CDK1/Cyclin B. The method is also useful for stabilizing other lithiated halogen-substituted aromatic compounds and is particularly useful for scale up reactions where the exothermic nature of the reaction can lead to reaction runway. | 05-07-2009 |
| 20100121110 | METHOD FOR THE BREAKDOWN OF LIGNIN - The invention describes a method for the direct production of molecules with a minimum molecular weight of 78 g/mol by the breakdown of lignin, lignin derivatives, lignin fragments, and/or lignin-containing substances or mixtures in the presence of at least one polyoxometallate and preferably in the presence of a radical scavenger in a liquid medium. | 05-13-2010 |
| 20120016162 | ELECTROCHEMICAL METHOD FOR PRODUCING 3-TERT-BUTYLBENZALDEHYDE DIMETHYL ACETAL - The present invention relates to 3-tert-butylbenzaldehyde dimethyl acetal and to 3-tert-butylbenzyl methyl ether and to an electrochemical method for producing 3-tert-butyl-benzaldehyde dimethyl acetal and intermediates passed through in said method. | 01-19-2012 |
| 20120071696 | PROCESS FOR PREPARING 2-METHYL-3-(4-TERT-BUTYLPHENYL)PROPANAL WITH HIGH PARA-ISOMER PURITY - The present invention relates to a process for preparing 2-methyl-3-(4-tert-butyl-phenyl)propanal with high para-isomer purity, and also to a process for preparing 4-tert-butylbenzaldehyde with high para-isomer purity. | 03-22-2012 |
| 20120209030 | PROCESS FOR PREPARING M- OR P-SUBSTITUTED PHENYLALKANOLS BY ALKYLATION - The invention relates to a process for the preparation of m- or p-substituted phenylalkanols of the formula (I) | 08-16-2012 |
| 20140343326 | FAST CATALYZED HYPOHALOUS OXIDATION OF ALCOHOL GROUPS - An improved process for oxidation of at least one alcohol group of at least one chemical compound to the corresponding carbonyl group. Said process is carried out in the presence of a buffered oxidative hypohalous solution and of a nitroxide oxidation catalyst. It is characteristically carried out within a micro-reactor; the buffered oxidative hypohalous solution being extemporaneously prepared at a buffered pH comprised between 7 and less than 8.5 (7≦pH<8.5). | 11-20-2014 |
| 568427000 | Isomerization | 3 |
| 20100197972 | PREPARATION OF A SATURATED ALDEHYDE - The invention relates to a compound according to Formula (IX) and salts thereof, wherein R | 08-05-2010 |
| 20120209031 | METHOD FOR PRODUCING M-SUBSTITUTED PHENYLALKANOLS BY MEANS OF ISOMERIZATION - The invention relates to a process for the preparation of m-substituted phenylalkanols of the formula (I) | 08-16-2012 |
| 20150376102 | METHOD OF PRODUCING OPTICALLY-ACTIVE ALDEHYDE - A method for producing, in a few simple steps, a specific optically active aldehyde represented by the general formula (1), in which * is an asymmetric carbon atom, includes asymmetrically isomerizing a specific allyl alcohol represented by the general formula (2) in the presence of a ruthenium complex and a base. | 12-31-2015 |
| 568428000 | Carbon monoxide reactant (e.g., carbonylation, etc.) | 5 |
| 20090118547 | 4-(4-ALKYLCYCLOHEXYL)BENZALDEHYDE - A process for effectively producing a 4-(4-alkylcyclohexyl)benzaldehyde, 4-(cyclohexyl)benzaldehyde, a 4-(trans-4-alkylcyclohexyl)benzaldehyde and a (trans-4-alkylcyclohexyl)benzene useful for electronic material applications such as liquid crystals and for pharmaceutical and agrochemical applications, etc., are disclosed. The present invention provides (1) a process for producing a 4-(4-alkylcyclohexyl)benzaldehyde or 4-(cyclohexyl)benzaldehyde by formylating a (4-alkylcyclohexyl)benzene or cyclohexylbenzene with carbon monoxide, (2) a process for producing a 4-(trans-4-alkylcyclohexyl)benzaldehyde by formylating a (4-alkylcyclohexyl)benzene having a cis/trans molar ratio of 0.3 or less with carbon monoxide, and (3) a process for producing a (trans-4-alkylcyclohexyl)benzene by isomerizing a mixture of the cis and trans isomers of a (4-alkylcyclohexyl)benzene, all of the processes being performed in the presence of HF and BF | 05-07-2009 |
| 20100004488 | PROCESS FOR PRODUCTION OF 2,6-DIMETHYL-1-NAPHTHALDEHYDE - 2,6-Dimethyl-1-naphthaldehyde having a ratio of the amount of 3,7-dimethyl-1-naphthaldehyde to the total amount of 2,6-dimethyl-1-naphthaldehyde and 3,7-dimethyl-1-naphthaldehyde of 30 mol % or less is particularly useful as optical functional materials, etc. The present invention provides a process for producing such 2,6-dimethyl-1-naphthaldehyde in an industrially advantageous manner. Specifically, in the process for producing 2,6-dimethyl-1-naphthaldehyde through formylation of 2,6-dimethylnaphthalene with carbon monoxide, formylation is performed in the presence of hydrogen fluoride in an amount of 5 to 100 times by mole and boron trifluoride in an amount of 0.5 to 3.5 times by mole, with respect to 2,6-dimethylnaphthalene, and at a reaction temperature of 35 to 70° C. | 01-07-2010 |
| 20150368175 | PRODUCTION OF PARA-PROPYLBENZALDEHYDE - The present invention is a process for preparing a 4-alkylbenzaldehyde (para-alkylbenzaldehyde). An alkylbenzene, solvated in a solvent comprising at least one aliphatic solvent having in the range of 3 to 15 carbons, is reacted with carbon monoxide, in the presence of an aluminum halide and a hydrogen halide acid. Disproportionation is reduced and proportion of para-alkyl-benzaldehyde is increased with respect to other methods. | 12-24-2015 |
| 568429000 | Hydroformylation by reacting ethylenically unsaturated compound, carbon monoxide and gaseous hydrogen | 2 |
| 20140024860 | METHOD FOR HYDROFORMYLATION OF UNSATURATED COMPOUNDS - The invention relates to a method for hydroformylation of unsaturated compounds such as olefins and alkynes using mixtures of synthesis gas (CO/H | 01-23-2014 |
| 20140094627 | METHOD FOR PRODUCING 4,4'-DIFORMYLDIPHENYLALKANE - A method for producing a 4,4′-diformyldiphenylalkane represented by the following formula (2), containing formylating a diphenylalkane represented by the following formula (1) with carbon monoxide in the presence of hydrogen fluoride and boron trifluoride, in which the reaction temperature of the formylation is from −50 to 5° C., from 5 to 30 mol of hydrogen fluoride is used per 1 mol of the diphenylalkane, and from 1.5 to 5 mol of boron trifluoride is used per 1 mol of the diphenylalkane: | 04-03-2014 |
| 568430000 | Ozone reactant or peroxy containing reactant | 2 |
| 20140171689 | METHOD OF OXIDIZING AN ORGANIC COMPOUND - The disclosure relates to a method of oxidation of an aliphatic C—H bond in an organic compound using CdO | 06-19-2014 |
| 20150141701 | PROCESS FOR REMOVING A PRODUCT FROM COAL TAR - A process for removing at least one product from coal tar is described. The process involves extraction with an extraction agent or adsorption with an adsorbent. The extraction agent includes at least one of amphiphilic block copolymers, cyclodextrins, functionalized cyclodextrins, and cyclodextrin-functionalized polymers, and the adsorbent includes exfoliated graphite oxide, thermally exfoliated graphite oxide or intercalated graphite compounds. | 05-21-2015 |
| 568431000 | Oxidation of organic compound utilizing gaseous oxygen | 3 |
| 20100010269 | APPARATUS AND PROCESS FOR USE IN THREE-PHASE CATALYTIC REACTIONS - A reactor for carrying out a heterogeneously catalyzed reaction includes at least first and second reaction zones that are arranged in series and that each include catalytic material, heat transfer zones that are located between said serially arranged reaction zones, and a pulse-generating device, which is arranged to deliver pulses to liquid in the reactor. The reactor allows three-phase reactions to be carried out efficiently and can reduce the impact of deposited reaction by-products on reaction efficiency. | 01-14-2010 |
| 568432000 | Oxy containing aldehyde formed | 2 |
| 20110306802 | PREPARATION OF HYDROXYAROMATIC ALDEHYDES - Hydroxyaromatic aldehydes are prepared by oxidation of a corresponding mandelic derivative carried out in a basic medium and in the presence of a catalytic system containing at least two metal elements. | 12-15-2011 |
| 20160251291 | METHOD FOR PRODUCING ALKOXYHYDROXYBENZALDEHYDE | 09-01-2016 |
| 568433000 | Aldehyde reactant | 14 |
| 20090062569 | PROCESS FOR PREPARING 3,4-DIOXO-SUBSTITUTED AROMATIC ALDEHYDES - A new process for synthesizing 3,4-dioxo-substituted aromatic aldehydes by Oppenauer oxidation of the corresponding benzyl alcohols is described. The process, which specifically uses formaldehyde as hydrogen acceptor, proceeds with unexpectedly high yields and conversion percentages, allowing low cost access to finished and intermediate products of high industrial interest in the field of pharmaceutical products and fragrances. | 03-05-2009 |
| 20090076310 | NOVEL BIS-(HYDROXYBENZALDEHYDE) COMPOUND AND NOVEL POLYNUCLEAR POLYPHENOL COMPOUND DERIVED THEREFROM AND METHOD FOR PRODUCTION THEREOF - Provide a new bis-(hydroxybenzaldehyde) compound, as well as a new polynuclear polyphenol compound derived therefrom, suitable for use as component materials for photosensitive resist compositions, component materials and hardeners for epoxy resins, developers and anti-fading agents used in thermosensitive recording materials, bactericides, fungicides, antioxidants and other functional chemical products or component materials thereof, wherein such bis-(hydroxybenzaldehyde) compound is produced by reacting in the presence of trihalogenated acetic acid catalyst or phosphoric acid catalyst a 2,6-di(hydroxymethyl)-4-alkylphenol with a hydroxybenzaldehyde expressed by general formula (14). | 03-19-2009 |
| 20090171124 | PROCESS FOR PRODUCING ALPHA, BETA-UNSATURATED ALDEHYDE COMPOUNDS - The present invention relates to processes for producing α,β-unsaturated aldehyde compounds and unsaturated alcohols with a good yield. There is provided a process for producing and α,β-unsaturated aldehyde compound including the step of subjecting a raw aldehyde compound to an intermolecular condensation reaction in the presence of an amine and a protonic acid having 4 to 20 carbon atoms or a salt thereof; and a process for producing an unsaturated alcohol including the step of subjecting the α,β-unsaturated aldehyde compound to a reduction reaction. | 07-02-2009 |
| 20100324338 | CATALYST FOR ASYMMETRIC HYDROGENATION - This invention aims at providing a catalyst for producing an optically active aldehyde or an optically active ketone, which is an optically active carbonyl compound, by carrying out selective asymmetric hydrogenation of an α,β-unsaturated carbonyl compound, particularly a catalyst which is insoluble in a reaction mixture for obtaining optically active citronellal which is useful as a flavor or fragrance, by carrying out selective asymmetric hydrogenation of citral, geranial or neral; and a method for producing a corresponding optically active carbonyl compound. The invention relates to a catalyst for asymmetric hydrogenation of an α,β-unsaturated carbonyl compound, which comprises a powder of at least one metal selected from metals belonging to Group 8 to Group 10 of the Periodic Table, or a metal-supported substance in which at least one metal selected from metals belonging to Group 8 to Group 10 of the Periodic Table is supported on a support, an optically active cyclic nitrogen-containing compound and an acid. | 12-23-2010 |
| 20110245544 | PROCESS FOR PREPARING HYDROXY-SUBSTITUTED AROMATIC ALDEHYDES - The present invention therefore relates to a process for preparing an aldehyde of the formula (I) | 10-06-2011 |
| 20120226076 | SYNTHESIS OF INTERMEDIATE FOR TREPROSTINIL PRODUCTION - The compound according to Formula I is an intermediate in the synthesis of prostacylin analogs. The present invention provides an efficient method for synthesizing a Formula I compound. | 09-06-2012 |
| 20120264981 | Process for Producing Aromatic Aldehyde Compound - A process for producing an aromatic aldehyde compound has steps of converting alkyl-substituted or non-substituted benzene into a compound of formula I by halomethylation, and allowing the compound of formula I and alkyl aldehyde to react in presence of phase transfer catalyst at a reaction temperature under alkaline condition to obtain the aromatic aldehyde compound. | 10-18-2012 |
| 20130211145 | Protected Aldehydes For Use As Intermediates In Chemical Syntheses, And Processes For Their Preparation - A para-methoxy protected benzaldehyde useful in preparation of treprostinil, and of formula: (Formula (1)) is prepared by subjecting to Claisen re-arrangement a substituted benzaldehyde of formula (1a): (Formula (Ia)) to form the m-hydroxy-substituted benzaldehyde of formula (1b): (Formula (Ib)) and then reacting compound (1b) with a p-methoxybenzyl (PMB) compound to form a PMB-substituted benzaldehyde of formula (1). | 08-15-2013 |
| 20140213825 | METHOD FOR PRODUCING 2-(ARYLOXYMETHYL) BENZALDEHYDE COMPOUND - A new process for producing a 2-(aryloxymethyl)benzaldehyde compound and the like are provided. More particularly, a process for producing a 2-(aryloxymethyl)benzaldehyde compound represented by formula (4) comprising step (A) of hydrolyzing a compound represented by the following formula (1); and step (B) of reacting a compound represented by formula (2) obtained in step (A) and a compound represented by formula (3) or a salt thereof is provided; | 07-31-2014 |
| 20140323769 | Method for preparing a vanillin derivative - A method for preparing a compound of formula (I) which is a vanillin derivative, of dimer type, called 3-(4-hydroxy-3-methoxybenzyl)-4-hydroxy-5-methoxybenzaldehyde, such method comprising a reaction of vanillin and vanillyl alcohol in the presence of a base. | 10-30-2014 |
| 20140378710 | METHOD FOR PRODUCING P-XYLENE AND/OR P-TOLUALDEHYDE - Disclosed is a method for producing p-xylene and/or p-tolualdehyde with high yield through a short process using biomass resource-derived substances as raw materials. The method for producing p-xylene and/or p-tolualdehyde of the present invention comprises: a cyclization step of producing 4-methyl-3-cyclohexenecarboxaldehyde from isoprene and acrolein; and an aromatization step of producing p-xylene and/or p-tolualdehyde from 4-methyl-3-cyclohexenecarboxaldehyde by gas-phase flow reaction using a catalyst(s). | 12-25-2014 |
| 20150119606 | Process for production of vanillin and vanillin derivatives - Disclosed is a process to produce vanillin or vanillin derivatives carrying out a one-step reaction starting from guaiacol or guaiacol derivatives and at least a superacid. | 04-30-2015 |
| 568434000 | Gaseous hydrogen reactant | 2 |
| 20110196176 | PROCESS FOR THE PREPARATION OF M-SUBSTITUTED ALKYLTOLUENES BY ISOMERIZATION WITH IONIC LIQUIDS AS CATALYSTS - The invention relates to a process for the preparation of m-substituted alkyltoluenes of the formula (I) | 08-11-2011 |
| 20130331611 | HYDROGENATION OF DIENALS WITH RHODIUM COMPLEXES UNDER CARBON MONOXIDE FREE ATMOSPHERE - The present invention relates to the field of catalytic hydrogenation and, more particularly, to a process for the reduction by hydrogenation, using molecular H | 12-12-2013 |
| 568435000 | Reactant contains -COO- group | 2 |
| 20100286449 | METHOD OF PRODUCING 2-PHENOXYACETALS AND THE CORRESPONDING 2-PHENOXY-CARBALDEHYDES THEREFROM - The invention relates to a novel process for preparing 2-phenoxyacetals and the corresponding 2-phenoxycarbaldehydes. These compounds are important intermediates for the preparation of active pharmaceutical ingredients. | 11-11-2010 |
| 20130123546 | PRODUCTION OF ALDEHYDES BY OXIDATION IN AQUEOUS MEDIUM WITH SELECTIVE RECOVERY OF THE PRODUCT BY MEANS OF PERVAPORATION - A process for the preparation of an aromatic aldehyde by means of the oxidation of the corresponding starting compound in aqueous medium, and separation of said aldehyde from said medium by pervaporation is disclosed together a plant for its carrying out. Advantageously, the process of the present invention allows control of oxidation reaction and recovery of the product with high selectivity and purity. Among others, benzaldehyde, anisaldehyde and vanillin can advantageously be prepared by this process. | 05-16-2013 |
| 568436000 | Nitrogen containing material utilized | 4 |
| 20080242896 | 1,3-Bis(3-Formyl-4-Hydroxyphenyl)Adamantanes and Polynuclear Polyphenols Derived Therefrom - A new 1,3-bis(3-formyl-4-hydroxyphenyl)adamantane, which provides a material offering excellent properties such as heat resistance and mechanical strength for use as an intermediate material for adamantanebisphenol derivatives or use in photosensitive resist materials, epoxy resins and other synthetic resins, thermosensitive recording materials, and the like, can be obtained through an industrial process in an easy manner at a good yield and high purity by producing a Schiff base from a 1,3-bis(4-hydroxyphenyl)adamantane by causing it to react with a hexamethylenetetramine or other substance in the presence of an acid, and then hydrolyzing the obtained Schiff base using an acid. A new polynuclear polyphenol is also provided that may be derived from the same. | 10-02-2008 |
| 20100105954 | PROCESS FOR PREPARING TETRAFLUOROBENZENE CARBALDEHYDE ALKYL ACETAL - A process for preparing tetrafluorobenzene carbaldehyde alkyl acetal represented by the following formula (II), comprising reducing tetrafluorocyanobenzene represented by the following formula (I) with a metal catalyst containing a platinum group metal in the presence of an alkyl alcohol represented by R—OH (R is an alkyl group of 1 to 4 carbon atoms) and an acid; (I) wherein m is 1 or 2, n is 0 or 1, and m+n is 2, (II) wherein m and n are the same as those in the formula (I), and R is an alkyl group of 1 to 4 carbon atoms. | 04-29-2010 |
| 20100234645 | METHOD FOR PRODUCING BENZALDEHYDE COMPOUND - A method is provided for producing a benzaldehyde compound represented by the formula (2): | 09-16-2010 |
| 20140046099 | Process for producing vanillin from vanillin-comprising compositions - The present invention relates to a process for producing vanillin from an aqueous, basic vanillin-comprising composition, in particular from a composition as arises in the oxidation, especially in the oxidation by electrolysis, of aqueous alkaline lignin-comprising compositions, comprising at least one treatment of an aqueous, basic vanillin-comprising composition, in particular the treatment of a composition as arises in the oxidation, especially in the oxidation by electrolysis, of aqueous alkaline lignin-comprising compositions, with a basic adsorbent, in particular an anion exchanger. | 02-13-2014 |
| 568437000 | Halogen containing reactant | 4 |
| 20100210879 | METHOD FOR PRODUCING BENZALDEHYDE COMPOUND - A method is provided for producing a benzaldehyde compound represented by the formula (4): | 08-19-2010 |
| 20100292513 | PROCESS FOR PRODUCTION OF BENZALDEHYDE COMPOUND - A benzaldehyde acetal compound of formula (3): | 11-18-2010 |
| 20100312017 | METHOD FOR THE PRODUCTION OF AROMATIC CARBONYL COMPOUNDS - The invention relates to a method for the production of an aromatic carbonyl compound by the oxidation of a methyl group or methylene group bonded to the aromatic group in which the aromatic substance is reacted in the presence of an oxidising agent and a sulphoxide, a sulphoxide being selected for the oxidation of a specific aromatic substance whose ionisation potential, in terms of magnitude, differs from the ionisation potential of the aromatic substance to be oxidised by a maximum of ±0.25 eV. | 12-09-2010 |
| 20140221695 | METHOD FOR PRODUCING 2-(ARYLOXYMETHYL) BENZALDEHYDE COMPOUND - A new process capable of producing a 2-(aryloxymethyl)benzaldehyde compound is provided. More particularly, a process for producing a 2-(aryloxymethyl)benzaldehyde compound represented by formula (2) comprising a step of hydrolyzing a compound represented by following formula (1); | 08-07-2014 |
| 568438000 | Purification or recovery | 4 |
| 20100048958 | METHOD FOR PURIFYING TEREPHTHALALDEHYDE - The present invention relates to a method for preparing high-purity terephthalaldehyde which comprises re-crystallizing terephthalaldehyde crystals containing impurities, using an anti-solvent. Specifically, the present invention relates to a method for preparing terephthalaldehyde which comprises dissolving low-purity terephthalaldehyde prepared by a conventional method in dimethylsulfoxide and then re-crystallizing the solution, using water as an anti-solvent. The present invention is not only environment-friendly because it uses water only as an anti-solvent, but also economical because it may simply prepare high-purity terephthalaldehyde in a short time. | 02-25-2010 |
| 20100130791 | METHOD FOR PURIFYING TEREPHTHALADEHYDE - The present invention relates to a method for purifying terephthalaldehyde which comprises a first step of dissolving terephthalaldehyde containing impurities in an aromatic solvent at high temperature to prepare a solution; and a second step of quenching the solution to re-crystallize it into terephthalaldehyde. In accordance with the present invention, high pure terephthalaldehyde may be economically prepared. | 05-27-2010 |
| 20130072724 | PROCESS FOR REFINING CHEMICALS FROM PULP AND PAPER MILL WASTEWATERS - A process for isolating at least one target compound, such as manool, geranyl linalool, ethyl guaiacol, eugenol, veratraldehyde, squalene, terpin, cholesterol, beta-sitosterol, campesterol, stigmasterol, stigmastenol and dehydroabietic acid, from biomass, the process including steps of: obtaining a condensate from a recovery evaporator, a reverse osmosis retentate of a condensate of a pulp and paper mill, or both, the condensate, retentate or both being substantially free of higher molecular weight (approximately > | 03-21-2013 |
| 20130090498 | PROCESSES FOR PRODUCING 4-BROMO-2-METHOXYBENZALDEHYDE - A new synthesis of 4-bromo-2-methoxybenzaldehyde is reported from 1,4 dibromo 2-fluorobenzene. First, 2-fluoro-4-bromobenzaldehyde is prepared through metal halogen exchange and formylation with a formyl source at 0° C. After crystallization, this intermediate is reacted with methanol in the presence of potassium carbonate. Subsequently, 4-bromo-2-methoxy-benzaldehyde is crystallized. | 04-11-2013 |
| 568442000 | Oxy containing | 1 |
| 20160039732 | METHOD FOR THE PURIFICATION OF NATURAL VANILLIN - The invention relates to a method for the purification of natural vanillin, comprising at least one step in which the natural vanillin is evaporated. | 02-11-2016 |
