Class / Patent application number | Description | Number of patent applications / Date published |
549430000 | Plural ring oxygens in the hetero ring | 57 |
20080255376 | Method For the Production of Dioxolane - Processes comprising: providing a reactive distillation column having an upper region, a middle region and a lower region; feeding ethylene glycol and an aqueous formaldehyde solution into the reactive distillation column in the middle region of the reactive distillation column; reacting the ethylene glycol and the aqueous formaldehyde solution in the reactive distillation column in the presence of a catalyst to form dioxolane; removing a product stream comprising dioxolane in an amount of at least 75% by weight from the upper region of the reactive distillation column; and removing a bottom stream comprising one or more components having boiling points higher than dioxolane from the lower region of the reactive distillation column. | 10-16-2008 |
20140378690 | METHOD FOR PRODUCING METHYLENE-1,3-DIOXOLANES - The present invention relates to a novel method for preparing methylene-1,3-dioxolanes of the general formula (1) | 12-25-2014 |
20150141668 | PRODUCTION OF CYCLIC ACETALS OR KETALS USING LIQUID-PHASE ACID CATALYSTS - A process for making a cyclic compounds such as cyclic acetal or cyclic ketones by feeding aldehyde or ketone compounds and polyhydroxyl compounds to a reaction vessel at a molar ratio of polyhydroxyl compounds to aldehyde or ketone compounds of at least 3:1, reacting these compounds in the presence of a homogeneous acid catalyst to generate a liquid phase homogeneous reaction mixture containing the acid catalyst without separating water from the reaction mixture as it is being formed in the reaction mixture, withdrawing the liquid phase homogeneous reaction mixture from the reaction vessel as a liquid product stream, and feeding the liquid reaction product stream to a distillation column to separate cyclic acetal compounds from unreacted polyhydroxyl compounds, and optionally recycling back the unreacted polyhydroxyl compounds and/or acid catalyst to the reaction vessel. The process produces cyclic acetal compounds in high yields. The process is also suitable to make cyclic ketals from ketone compounds. | 05-21-2015 |
549431000 | Three or more ring oxygens in the hetero ring (e.g., ozonides, etc.) | 3 |
20100041903 | Ozonized Surfactant - Disclosed herein is an ozonized surfactant which has the same level of bactericidal and deodorizing abilities as that of ozonized olive oil and which can be evenly applied or sprayed onto and can permeate any place or environment (a highly hydrophilic or hydrophobic place or environment). The ozonized surfactant can be obtained by adding ozone to a surfactant having at least one olefin-based double bond in a hydrophobic group moiety. | 02-18-2010 |
20130303789 | TRIOXOLANE AND RELATED STABILIZED OXYGEN MOLECULES BASED TREATMENT PRODUCT - A treatment product including trioxolanes or related stabilized oxygen molecules. Just as oxidation is a somewhat violent electron transfer that results in amino acid malformation, only a molecule with similar electron attraction potential, another oxygen species in the form of a stabilized trioxolane or equivalent, can reverse such damage in most cases. The human body has the ability to fix such oxidation on its own, but this ability declines with age and excess damage. The treatment product described herein including trioxolanes, assists the body in this natural process. The result is reduction of inflammation, aging, and other conditions of the human body. | 11-14-2013 |
20140256962 | Production and use of 1,2,4-trioxolane compounds, ozonides, with bleaching properties for the whitening of teeth, skin, and hair - Stable, bio-compatible, 1,2,4-Trioxolane compounds are produced and applied to living tissue, teeth, and hair, for the cosmetic purpose of bleaching or whitening. | 09-11-2014 |
549432000 | Polycyclo ring system having the hetero ring as one of the cyclos | 25 |
20090137826 | Method for preparing 4beta-amino-4'-demethyl-4-desoxypodophyllotoxin - The invention relates to a method for synthesizing 4β-amino-4′-demethyl-4-desoxypodophyllotoxin of formula (1), characterized by comprising the following successive steps: a) reacting, in a pure weak acid or in a mixture consisting of acid, water and of organic solvent, without another solvent, at a temperature higher than the ambient temperature, thiourea with 4β-halogenoacetamido-4′-demethyl-4-desoxypodophyllotoxin, and; b) recovering the 4β-amino-4′-demethyl-4-desoxypodophyllotoxin. | 05-28-2009 |
20100048923 | ATR Inhibitor - The present invention is to provide ATR inhibitor containing tricyclic compound including Schizandrins and Gomisins as an active constituent, useful for an inhibitor of ATR protein kinase. | 02-25-2010 |
20120004429 | Taxane Compounds, Compositions And Methods - The present invention provides a method for the preparation of orally available pentacyclic taxane compounds, as well as intermediates useful in their preparation. | 01-05-2012 |
549433000 | Tricyclo ring system having the hetero ring as one of the cyclos | 2 |
20090326248 | USE OF SPECIFIC CYKLOLIGNANS - The invention refers to the use of specific cyclolignans, wherein the carbon atoms in positions 9 and 9′ have cis configuration, for inhibition of the insulin-like growth factor-1 receptor. Said compounds can be used for treatment of IGF-1R dependent diseases, such as cancer, psoriasis, artherosclerosis and acromegaly. A preferred compound is picropodophyllin. | 12-31-2009 |
20150011781 | Cu-Mediated Annulation for the Production of 1-Amino-2-Naphthalenecarboxylic Acid Derivatives - Invention provides a cheaper and practical protocol for the construction of a wide variety of 1-Amino-2-naphthalene-carboxylic acid derivatives and their structural analogues that proceeds with high yields in a single step via intramolecular cascade cyano ene reaction. | 01-08-2015 |
549434000 | Bicyclo ring system having the hetero ring as one of the cyclos | 20 |
20130324745 | Process for preparing styrene derivatives - A process is provided which allows the synthesis of a large number of styrene derivatives with formation of C—C bonds, with use being possible of economically advantageous substrates, readily available carbon nucleophiles, and both inexpensive and environmentally unproblematic catalyst systems, permitting reaction under mild conditions and a high compatibility with functional groups on the reactants involved. | 12-05-2013 |
549435000 | Plural hetero rings | 2 |
20100204492 | PROCESS FOR THE EXTRACTION OF BIOACTIVE LIGNANS WITH HIGH YIELD AND PURITY FROM SESAME OIL - The present invention provides a process for the extraction and isolation of bioactive lignans with high yield and purity from Sesame oil by sequential extraction, crystallization, and saponification. The present invention provides a process for the production of highly pure bioactive lignan crystal, lignan enriched formulations with lignan content varying from 50 to 95% and with product flexibility and also at the same time preserve the starting raw material i.e. sesame oil. | 08-12-2010 |
20120142949 | PROCESS FOR PREPARING PREGABALIN - The invention relates to a process for preparing a compound of formula (I): | 06-07-2012 |
549436000 | Having -C(=X)-, wherein X is chalcogen, bonded directly to the bicyclo ring system | 3 |
20100130758 | METHOD FOR PRODUCING CARBONYL COMPOUND - Disclosed are a catalyst including a hydrotalcite and, immobilized on a surface thereof, particles of at least one metal selected from the group consisting of Cu, Ag, and Au; a method for producing a carbonyl compound through dehydrogenation of an alcohol in the presence of the catalyst; and a method for producing a carbonyl compound through dehydrogenation of an alcohol in the presence of a catalyst including a hydrotalcite and, immobilized on a surface thereof, particles of a metal, in which dehydrogenation is performed in the absence of oxygen. | 05-27-2010 |
20120071672 | PROCESS FOR PREPARING AROMATIC ALDEHYDE COMPOUND - An object of the present invention is to provide an industrially advantageous process for preparing a benzaldehyde compound from a benzyl alcohol compound with high yield. | 03-22-2012 |
20120203014 | DERIVATIVES OF N-HYDROXYBENZAMIDE FOR TREATING HIV INFECTIONS - Herein disclosed is a method for treating patients affected by HIV comprising administering N-hydroxy-benzamide-based histone deacetylase inhibitors, such as: diethyl-[6-(4-hydroxycarbamoyl-phenyl-carbamoyloxymethyl)-naphtalen-2-yl-methyl]-ammonium chloride; 4-(2-(S)-benzoylamino-3-naphtalen-2-yl-propionylamino)-N-hydroxy-benzamide; and/or benzo[1,3]dioxole-5-carboxylic acid [1(S)-(4-hydroxycarbamoyl-phenylcarbamoyl)-2-naphtalen-2-yl-ethyl]-amide. Such histone deacetylase inhibitors are administered in a dosage ranging from 50 to 200 mg/day, preferably from 100 to 200 mg/day, so as to obtain a blood concentration between 125 and 250 nM. | 08-09-2012 |
549437000 | Acyclic chalcogen bonded directly to the bicyclo ring system | 7 |
20110009647 | Process 054 - The present invention is directed to a process for the preparation of a diastereomerically pure dibenzoyl-L-tartrate salt of a compound of formula (III) | 01-13-2011 |
20110137050 | Process for the Preparation of 4,7-Dimethoxy-5-Methyl-1,3-Benzodioxole and Derivatives Thereof - Disclosed herein is a novel process for the preparation of a compound of formula (I), | 06-09-2011 |
20120178945 | BENZENOID COMPOUNDS OF ANTRODIA CINNAMOMEA, PREPARATION AND ANALYSIS METHOD THEREOF - Disclosed are a method for preparing an n-hexane extract of the fruiting body of | 07-12-2012 |
20130274487 | HYDROGENATION OF ESTERS OR CARBONYL GROUPS WITH TETRADENTATE AMINO/IMINO-THIOETHER BASED RUTHENIUM COMPLEXES - The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of specific ruthenium catalysts, or pre-catalysts, in hydrogenation processes for the reduction of ketones and/or aldehydes into the corresponding alcohol respectively. Said catalysts are ruthenium complexes comprising a tetradentate ligand (L4) coordinating the ruthenium with: two nitrogen atoms, each in the form of a primary or secondary amine (i.e. a NH | 10-17-2013 |
20140012021 | NOVEL METHOD FOR PREPARING SELENYL-SUBSTITUTED AROMATIC ALDEHYDE COMPOUNDS - The present disclosure relates to a novel method for preparing selenyl-substituted aromatic aldehyde compounds by forming a selenolate nucleophile and performing a nucleophilic substitution reaction between the selenolate nucleophile and an aromatic aldehyde starting material. | 01-09-2014 |
549438000 | Having -C(=X)-, wherein X is chalcogen, attached indirectly to the bicyclo ring system by nonionic bonding | 2 |
20140135509 | Process for the Preparation of Benzyl [(3aS,4R,6S,6aR)-6-hydroxy-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]d- ioxol]-4-yl]carbamate and Intermediates in the Process - The present invention is directed to a process for the preparation of benzyl [(3aS,4R,6S,6aR)-6-hydroxy-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl]carbamate (VI), | 05-15-2014 |
20150119587 | PROCESS FOR THE PREPARATION OF 2-SUBSTITUTED-2-(6-(SUBSTITUTED)-7-METHYLBENZO[D][1,3]DIOXOL-4-YL)ACETIC ACID DERIVATIVES - Present invention relates to an improved and commercial process for the preparation of 2-sustituted-2-(6-(substituted)-7-methylbenzo[d][1,3]dioxol-4-yl)acetic acid derivatives of formula-I [Formula should be inserted here], wherein R | 04-30-2015 |
549440000 | Nitrogen attached indirectly to the bicyclo ring system by nonionic bonding | 2 |
549441000 | The nitrogen is bonded directly to a -C(=X)- group, wherein X is chalcogen | 1 |
20120165559 | Compounds Having a Physiological Effect - The present invention relates to compounds of general formula (I): | 06-28-2012 |
549442000 | The nitrogen is attached directly to carbon by a double or triple bond | 1 |
20150031899 | CUCN-MEDIATED ONE POT PRODUCTION OF CINNAMONITRILE DERIVATIVES - The present invention discloses a cheaper and practical protocol for the construction of a wide variety of o-cyanocin-namonitrile and their structural analogues that proceeds with good yields in a single step using CuCN as the only reagent. | 01-29-2015 |
549445000 | Chalcogen attached indirectly to the ring system by nonionic bonding | 5 |
20110004008 | METHOD FOR PREPARING SESAMIN AND SESAMOLIN - The present invention provides a method for preparing sesamin and sesamolin. The method includes the steps of passing a mixed solution of an oil containing sesamin and sesamolin and an aliphatic hydrocarbon solvent through a silica gel column, washing the silica gel column with an aliphatic hydrocarbon solvent, and eluting the sesamin and sesamolin adsorbed by the silica gel column with an eluent selected from the group consisting of methanol, ethanol, acetone and ethyl acetate. The method of the present invention allows a simple and convenient operation, and has excellent purifying effects and high recovery rates. Thus, the method of the present invention has substantial applicability in related industries. | 01-06-2011 |
20130211106 | PRODUCTION OF GRAPHENE AND NANOPARTICLE CATALYSTS SUPPORTED ON GRAPHENE USING MICROWAVE RADIATION - Microwave irradiation is used to synthesize graphene and metallic nanocatalysts supported on graphene either by solid or solution phase. In solid phase methods, no solvents or additional reducing agents are required so the methods are “environmentally friendly” and economical, and the graphene and nanocatalysts are substantially free of residual contaminants. Recyclable, high efficiency Pd nanocatylysts are prepared by these methods. | 08-15-2013 |
549446000 | The chalcogen, X, is in a -C(=X)- group | 3 |
20080200697 | Process for the preparation of 1-aryl-3,4-dihydro-1H-naphthalene-2-one - 1-aryl-3,4-dihydro-1H-naphthalene-2-one is prepared by isomerizing an epoxy compound represented by the following general formula, | 08-21-2008 |
20130046101 | METHOD OF RETAINING THE QUALITY OF 2-METHYL-3-(3,4-METHYLENEDIOXYPHENYL)PROPANAL AND PROCESS FOR PRODUCING THE SAME - The present invention relates to [1] a method for keeping a quality of 2-methyl-3-(3,4-methylenedioxyphenyl)propanal useful as a perfume, which comprises incorporating from 50 to 3000 ppm of 1-acetyl-3,4-methylenedioxybenzene in the 2-methyl-3-(3,4-methylenedioxyphenyl)propanal; [2] a process for producing 2-methyl-3-(3,4-methylenedioxyphenyl)propanal having a content range from to 3000 ppm of 1-acetyl-3,4-methylenedioxybenzene; and [3]2-methyl-3-(3,4-methylenedioxyphenylpropanal having a content range from 50 to 3000 ppm of of 1-acetyl-3,4-methylenedioxybenzene. | 02-21-2013 |
549447000 | The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens | 1 |
20100121085 | 2-METHYL-3-(3,4-METHYLENEDIOXYPHENYL)PROPANAL, AND METHOD FOR PRODUCTION THEREOF - Disclosed are: (1) a method for producing 2-methyl-3-(3,4-methylenedioxyphenyl)propanal, which comprises the step of providing a reaction mixture containing 1-acetoxy-2-methyl-3-(3,4-methylenedioxyphenyl)-1-propene by a process for reacting 1,2-methylenedioxybenzene with 2-methyl-3,3-diacetoxypropene or a process for reacting 1,2-methylenedioxybenzene, methacrolein and acetic anhydride with one another; subjecting the reaction mixture to hydrolysis or transesterification with an alcohol to provide a reaction mixture containing 2-methyl-3-(3,4-methylenedioxyphenyl)propanal; and purifying by distilling the reaction mixture, wherein a high boiling point compound contained in the reaction mixture is removed by a specific procedure; and (2) 2-methyl-3-(3,4-methylenedioxyphenyl)-propanal produced by the method, which has an acetic acid content of a less than 40 ppm, is useful as a perfume, and has a high purity. | 05-13-2010 |
549448000 | Plural hetero rings | 5 |
20090054668 | Protease inhibitor precursor synthesis - The present invention provides a compound having the structure (I) and processes for the production thereof and the intermediates used in such process. | 02-26-2009 |
20100222603 | Glyceryl Ether Compounds and their Use - Glyceryl ether compounds prepared by the reaction of glycerol and olefin epoxides are disclosed. The compounds are renewable biomass-based surfactants useful as detergents and emulsifiers in formulations for cleaning, laundry, personal care, cosmetics, and industrial uses. | 09-02-2010 |
20100292491 | Method of Making Ketals and Acetals - The reaction of alcohols with oxocarboxylates to form acetals or ketals is catalyzed by unexpectedly low levels of protic acids. By employing low acid catalyst levels compared to amounts conventionally used, rapid formation of acetal or ketal is facilitated while the formation of oxocarboxylate esters is minimized. Further employing a significant molar excess of oxocarboxylate in conjunction with low acid catalyst level gives rise to the rapid and clean formation of acetals and ketals from oxocarboxylates and alcohols. | 11-18-2010 |
20120041215 | PROTEASE INHIBITOR PRECURSOR SYNTHESIS - The present invention provides a compound having the structure (I) and processes for the production thereof and the intermediates used in such process. | 02-16-2012 |
20130046102 | GLYCERYL ETHER COMPOUNDS AND THEIR USE - Glyceryl ether compounds prepared by the reaction of glycerol and olefin epoxides are disclosed. The compounds are renewable biomass-based surfactants useful as detergents and emulsifiers in formulations for cleaning, laundry, personal care, cosmetics, and industrial uses. | 02-21-2013 |
549449000 | Nitrogen or chalcogen bonded directly to the hetero ring | 6 |
20090221840 | PROCESS FOR PURIFYING ETHYLENE CARBONATE, PROCESS FOR PRODUCING PURIFIED ETHYLENE CARBONATE, AND ETHYLENE CARBONATE - Ethylene carbonate having a highly reduced content of especially diols is provided. | 09-03-2009 |
20090281335 | Cure Accelerators for Anaerobic Curable Compositions - The present invention provides compound(s) selected from the group of compounds represented by structural Formula (I): | 11-12-2009 |
20120016140 | Plate Fin Fluid Processing Device - A device for processing fluids includes a number of fin layers with a number of plates separating the fin layers so that a fluid flow passage is defined through each fin layer. A first fluid inlet is in communication with a first end portion of the fluid flow passage, a first fluid outlet is in communication with a second end portion of the fluid flow passage, a second fluid inlet is in communication with the second end portion of the fluid flow passage and a second fluid outlet in communication with the first end portion of the fluid flow passage. The fluid flowing through the second inlet is subjected to a shearing action by the fin layers so that mass transfer to the fluid flowing through the first inlet occurs. The device may be used for both liquid-liquid processes, such as extraction, or gas-liquid processes, such as adsorption, absorption or desorption and reactions. | 01-19-2012 |
20120095243 | Process for producing perfluorinated organic compounds - A process for producing a perfluorinated functional compound is disclosed, which comprises:
| 04-19-2012 |
20130245289 | Process for producing perfluorinated organic compounds - A process for producing a perfluorinated functional compound comprises the steps of: A) converting an at least partially hydrogenated alcohol into an at least partially hydrogenated ester compound; and B) reacting said at least partially hydrogenated ester compound with fluorine in the presence of at least one (per)haloolefin comprising at least one carbon-carbon double bond and having at least one fluorine or chlorine atom on either one of the carbon atoms of said double bond, to obtain a perfluorinated ester compound. | 09-19-2013 |
20150141669 | PRODRUG OF FLUORINE-CONTAINING AMINO ACID - Provided are a fluorine-containing amino acid prodrug represented by general formula (I) that makes a fluorine-containing amino acid which is a group 2 metabotropic glutamate receptor agonist into a prodrug, or a pharmaceutically acceptable salt thereof. More specifically, provided is a prodrug that increases the in vivo exposure and enhances the oral absorbability and other mucosal absorbability of a parent compound that acts on group 2 metabotropic glutamate receptors as an agent for the treatment or prevention of diseases in which group 2 metabotropic glutamate receptors are said to be involved, such as: schizophrenia, anxiety disorder and its related diseases, depression, bipolar disorder, epilepsy, developmental disorders, sleep disorders, and other neuropsychiatric diseases; and drug dependence, cognitive disorders, Alzheimer's disease, Huntington's chorea, Parkinson's disease, movement disorders associated with muscular rigidity, cerebral ischemia, cerebral insufficiency, spinal cord disorders, cephalopathy, and other neurological diseases. | 05-21-2015 |
549451000 | Nitrogen attached indirectly to the hetero ring by nonionic bonding | 3 |
20110263879 | ZWITTERIONIC PHOSPHONIUM SALTS - A zwitterionic phosphonium salt of Formula I: wherein n is 0 or 1; R is H or SO | 10-27-2011 |
20120178946 | PREPARATION OF (R)-N-(3,4-DIFLUORO-2-(2-FLUORO-4-IODOPHENYLAMIN0)-6-METHOXYPHENYL)-1-(2,- 3-DIHYDROXYPROPYL)CYCLOPROPANE-1-SULFONAMIDE AND (S)- N-(3,4-DIFLUORO-2-(2-FLUORO-4-IODOPHENYLAMIN0)-6-METHOXYPHENYL)-1-(2,3-DI- HYDROXYPROPYL)CYCLOPROPANE-1-SULFONAMIDE - The present invention relates to the preparation of (R)-N-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)-6-methoxyphenyl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide and (S)-N-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)-6-methoxyphenyl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide. | 07-12-2012 |
20130261320 | PREPARATION OF (R)-N-(3,4-DIFLUORO-2-(2-FLUORO-4-IODOPHENYLAMINO)-6-METHOXYPHENYL)-1-(2,- 3-DIHYDROXYPROPYL)CYCLOPROPANE-1-SULFONAMIDE AND (S)- N-(3,4-DIFLUORO-2-(2-FLUORO-4-IODOPHENYLAMINO)-6-METHOXYPHENYL)-1-(2,3-DI- HYDROXYPROPYL)CYCLOPROPANE-1-SULFONAMIDE - The present invention relates to the preparation of (R)—N-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)-6-methoxyphenyl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide and (S)—N-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)-6-methoxyphenyl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide. | 10-03-2013 |
549453000 | Chalcogen attached indirectly to the hetero ring by nonionic bonding | 12 |
20090082582 | Process For Preparing [2-(2,3- Dihydrobenzofuran - Or Benzofuran-7-Yloxy)Ethyl]-(3 -Cyclopent-1-Ylbenzyl)Amine Derivatives and Synthesis Intermediate - The invention relates to a process for the preparation of compounds of general formula (3) | 03-26-2009 |
20110098489 | PROCESS FOR PRODUCTION OF BENZALDEHYDE COMPOUND - A method of producing a corresponding acetal compound which comprises reacting a benzal halide compound represented by formula (1) | 04-28-2011 |
20110196160 | SYNTHESIS OF (2S-CIS)-2-(BROMOMETHYL)-2-(4-CHLOROPHENYL)-1,3 DIOXOLANE-4-METHANOL METHANESULFONATE(ESTER) - The present invention relates to an improved process for the preparation of (2S-cis)-2-(bromomethyl)- | 08-11-2011 |
20130178638 | PROCESS FOR PRODUCING DIOXOLANE - A process is described for producing dioxolane from crude glycerol obtained from raw materials such as the crude glycerol obtained during production of biodiesel or glycerol obtained during conversion of fats or oils. Further, the described method can dissolve the glycerol in an organic solvent and form an insoluble phase including salts included in the crude glycerol, and then react the glycerol obtained with an aldehyde or a ketone. | 07-11-2013 |
20130345443 | FLUOROSULFONYL GROUP-CONTAINING MONOMER AND ITS POLYMER, AND SULFONIC ACID GROUP-CONTAINING POLYMER - A fluorosulfonyl group-containing monomer having a high polymerization reactivity and plural fluorosulfonyl groups, a fluorosulfonyl group-containing polymer and a sulfonic acid group-containing polymer, obtained by using the monomer. | 12-26-2013 |
20140235878 | Process for the production of a dioxolane compound from crude glycerol - A process for the production of dioxolane compounds of formula (I): | 08-21-2014 |
20140288319 | CROSS-METATHESIS REACTION OF FUNCTIONALIZED AND SUBSTITUTED OLEFINS USING GROUP 8 TRANSITION METAL CARBENE COMPLEXES AS METATHESIS CATALYSTS - The invention pertains to the use of Group 8 transition metal carbene complexes as catalysts for olefin cross-metathesis reactions. In particular, ruthenium and osmium alkylidene complexes substituted with an N-heterocyclic carbene ligand are used to catalyze cross-metathesis reactions to provide a variety of substituted and functionalized olefins, including phosphonate-substituted olefins, directly halogenated olefins, 1,1,2-trisubstituted olefins, and quaternary allylic olefins. The invention further provides a method for creating functional diversity using the aforementioned complexes to catalyze cross-metathesis reactions of a first olefinic reactant, which may or may not be substituted with a functional group, with each of a plurality of different olefinic reactants, which may or may not be substituted with functional groups, to give a plurality of structurally distinct olefinic products. The methodology of the invention is also useful in facilitating the stereoselective synthesis of 1,2-disubstituted olefins in the cis configuration. | 09-25-2014 |
549454000 | The chalcogen, X, is in a -C(=X)- group | 5 |
20080287694 | PROCESSES FOR PRODUCING A FLUOROSULFONYL GROUP-CONTAINING COMPOUND AND A COMPOUND LED FROM THE FLUOROSULFONYL GROUP-CONTAINING COMPOUND - A fluorosulfonyl group-containing compound having a high polymerization reactivity, a process for its production, a sulfonyl group-containing polymerizable monomer led from the sulfonyl group-containing compound, and a polymer obtainable by polymerizing the sulfonyl group-containing polymerizable monomer, are provided. | 11-20-2008 |
20110288315 | PROCESS FOR PRODUCTION OF OPTICALLY ACTIVE COMPOUND - A 2-aryl-2-halomethyl-4-chloromethyl-1,3-dioxolane (A) can be produced conveniently without decreasing its optical purity by reacting an optically active monochlorohydrin and an aryl (halomethyl) ketone (starting materials) with each other in the presence of an acid catalyst. From the optically active compound (A) thus produced, an optically active carboxylic acid (2-aryl-2-halomethyl-1,3-dioxolan-4-yl)methyl ester and an optically active sulfonic acid (2-aryl-2-halomethyl-1,3-dioxolan-4-yl)methyl ester (both of which are useful intermediates for the production of ketoconazole) can be produced with good efficiency. An optically active trans-carboxylic acid (2-aryl-2-halomethyl-1,3-dioxolan-4-yl)methyl ester can be isomerized into its cis-form in the presence of an acid catalyst. | 11-24-2011 |
20120022276 | METHOD FOR PRODUCING ALDEHYDE FUNCTIONAL COMPOUNDS - The invention relates to a method for producing aldehyde functional compounds by a cross-metathesis reaction of an olefinic compound having at least one hydroxy group and at least one C—C double bond with at least one at least monounsaturated fatty acid or at least one at least monounsaturated fatty acid derivative, in the presence of a metathesis catalyst at a maximum temperature of 180° C. and in the presence of at least one reagent that acts as a protective group-forming compound in relation to the aldehyde group of the aldehyde functional compounds. | 01-26-2012 |
20130005996 | METHOD FOR PREPARING A FATTY ACID DERIVATIVE - A method for manufacturing a fatty acid derivative represented by formula (I) is provided: | 01-03-2013 |
20130338380 | PROCESSES AND INTERMEDIATES FOR PREPARING SUBSTITUTED HEXAHYDROFURO [2,3-b] FURANS - The invention described herein pertains to processes and compounds useful in the preparation of bis-tetrahydrofurans. The invention described herein also pertains to compounds useful for treating HIV infections. | 12-19-2013 |