Abstract: The invention relates to a process for the preparation of a compound of formula I (I), wherein R1 is hydrogen, fluoro or chloro; which process comprises a) reacting a compound of formula II (II), wherein R1 is hydrogen, fluoro or chloro; with a nitration agent to the compound of formula (III), wherein R1 is hydrogen, fluoro or chloro; and b) reacting the compound of formula III with chlorine gas at temperature from 180° C. to 250° C. to the compound of formula I.

Abstract: The present invention refers to a process for producing 5-[4-(2-hydroxy-2-methyl)-1-oxo-prop-1-yl]-3-[4-(2-hydroxy-2-methyl)-1-oxo-prop-1-yl-phenyl]-2,3-dihydro-1,1,3-trimethyl-1H-indene (dimer isomer 5) that comprises the acylation of cumene in the 4-position with an isobutyryl halide, followed by benzylic halogenation and dimerization (cyclization) of the resulting product.

Abstract: The present invention discloses the compound 6-chloro-3-(phenyl-d5)-inden-1-one (I) and routes of synthesis to obtain (I). In a further aspect the present invention discloses the use of (I) for the synthesis of (S)-6-chloro-3-(phenyl-d5)-indan-1-one.

Abstract: Compounds of formula (I), wherein the substituents are as defined in claim 1, are suitable for use as herbicides.

Abstract: There is provided a novel intermediate for producing pesticides. A method for producing the compound of Formula (3) comprises reacting an aromatic ketone compound of Formula (4) and a substituted acetophenone compound of Formula (5) as starting raw materials in an organic solvent or water in the presence or absence of an additive in the presence of a base in a suspended state. A method may comprise dehydrating the compound of Formula (3). A method for producing compound (2) in one step comprises reacting compound (4) and compound (5) to obtain compound (3). Further, a method for producing an isoxazoline compound of Formula (1) comprises reacting compound (2) and a hydroxylamine in an aliphatic or an aromatic hydrocarbon solvent which is optionally substituted by a halogen atom by adding an additive selected from a phase-transfer catalyst, a C1-C6 alcohol and an aprotic polar solvent in the presence of a base and water.

Abstract: The present invention relates to a method for the hydroxylation of halogen aryl compounds carried out at a temperature lower than 200° C. in the presence of a catalytic system including a copper-based catalyst and a ligand L according to reaction scheme Formula (A), in which: R is selected from the groups having an acceptor inductive effect and the groups having a donor mesomer effect; M is selected from alkaline or alkaline-earth cations; X is a halogen atom; r is between 0 and 5; and the ligand L is selected from compounds having formula I.

Abstract: The invention provides synthetic processes and synthetic intermediates that can be used to prepare 4-oxoquinolone compounds having useful integrase inhibiting properties.

Abstract: Bicyclic dione compounds of formula (I), and derivatives thereof, which are suitable for use as herbicides.

Abstract: The present invention relates to a specific thiazolium salt used for producing an ?-hydroxy ketone compound, and a method for producing an ?-hydroxy ketone compound by carrying out a coupling reaction of an aldehyde compound in the presence of a base compound and the specific thiazolium salt.

Abstract: The present invention discloses novel aromatic ketone compounds with functional substitution groups at para- or meta positions which can be used as photo-initiators or effective components of photo-initiator mixtures for the photopolymerizations of ethylenically unsaturated systems. The preparation of these compounds is also disclosed.

Abstract: The invention is directed to a phosphine compound represented by general formula (1) wherein R? and R? independently are selected from alkyl, cycloalkyl and 2-furyl radicals, or R? and R? are joined together to form with the phosphorous atom a carbon-phosphorous monocycle comprising at least 3 carbon atoms or a carbon-phosphorous bicycle; the alkyl radicals, cycloalkyl radicals, and carbon-phosphorous monocycle being unsubstituted or substituted by at least one radical selected from the group of alkyl, cycloalkyl, aryl, alkoxy, and aryloxy radicals; Cps is a partially substituted or completely substituted cyclopentadien-1-yl group, including substitutions resulting in a fused ring system, and wherein a substitution at the 1-position of the cyclopentadien-1-yl group is mandatory when the cyclopentadien-1-yl group is not part of a fused ring system or is part of an indenyl group. Also claimed is the use of these phosphines as ligands in catalytic reactions and the preparation of these phosphines.

Abstract: The invention provides synthetic processes and synthetic intermediates that can be used to prepare 4-oxoquinolone compounds having useful integrase inhibiting properties.

Abstract: A method for producing a fluorine-containing substituted compound, the method including: introducing an organofluorine compound and an organolithium compound into a microreactor provided with a flow path capable of mixing a plurality of liquids, to thereby obtain a reaction product; and introducing, into the microreactor, the reaction product and an electrophile exhibiting electrophilic effect on the reaction product, to thereby obtain a fluorine-containing substituted compound.

Abstract: Disclosed herein is novel process for preparation of atovaquone, which process includes reacting 1H-2-benzopyran-1,4(3H)-dione with 4-(4-chlorophenyl)cyclohexanecarbaldehyde. The invention further discloses novel intermediates useful in the preparation of atovaquone.

Abstract: Disclosed is a method for preparing a compound of Formula 1 wherein Q and Z are as defined in the disclosure comprising distilling water from a mixture comprising a compound of Formula 2, a compound of Formula 3, a base comprising at least one compound selected from the group consisting of alkaline earth metal hydroxides of Formula 4 wherein M is Ca, Sr or Ba, alkali metal carbonates of Formula 4a wherein M1 is Li, Na or K, 1,5-diazabicyclo[4.3.0]non-5-ene and 1,8-diazabicyclo[5.4.0]undec-7-ene, and an aprotic solvent capable of forming a low-boiling azeotrope with water.

Abstract: Disclosed are: a novel palladium catalyst which does not undergo leakage, can be recycled, does not require the use of any phosphorus-containing ligand, and has a high catalytic activity; and a process for producing a novel bisaryl compound using the palladium catalyst. In the production of a bisaryl compound by reacting an aromatic halide with an aromatic boronic acid in the presence of a palladium catalyst and a base, the palladium catalyst comprises a dendrimer containing a silica particle as a core and a palladium compound dissolved in an ionic liquid and supported on the dendrimer.

Abstract: A method of forming a fluorinated molecular entity includes reacting in a reaction mixture an aromatic halide, copper, a fluoroalkyl group, and a ligand. The aromatic halide includes an aromatic group and a halogen substituent bonded to the aromatic group. The ligand includes at least one group-V donor selected from phosphorus and an amine. The overall molar ratio of copper to aromatic halide in the reaction mixture is from 0.2 to 3. The method further includes forming a fluoroalkylarene including the aromatic group and the fluoroalkyl group bonded to the aromatic group. A composition, which may be used in the method, consists essentially of copper, the fluoroalkyl group, and the ligand, where the molar ratio of copper to the fluoroalkyl group is approximately 1.

Abstract: The present invention discloses novel aromatic ketone compounds with functional substiution groups at para- or meta positions which can be used as photo-initiators or effective components of photo-initiator mixtures for the photopolymerizations of ethylenically unsaturated systems. The preparation of these compounds is also disclosed.

Abstract: This invention describes the use of resveratrol and curcumin, representatives of naturally occurring polyphenols, in their native form, after hydrogenation, and as their respective allyl derivatives, individually, in combination with themselves and other commercial monomers, to make representative varieties of polymers, e.g., polycarbonates (PC), polyurethanes (PU), co-polymers and biodegradable polymers.

Abstract: The invention relates to compounds, in particular phosphinic ligands of metal complexes, as well as to metal complexes including said ligands and to supported catalysts including said metal complexes or said compounds. The invention also relates to methods for synthesizing said compounds, to complexes, and to supported catalysts, as well as to intermediate products used in said synthesis methods. The invention further relates to the uses of said compounds. The compounds of the invention are ferrocene compounds which have been functionalized so as to be capable of being heterogenized. The invention can be used in particular in the field of heterogeneous catalysis.

Abstract: The present invention proposes a chiral diene ligand, a fabrication method thereof and applications thereof. The chiral diene ligand is a bicyclo[2.2.1] diene ligand having structural specificity and high stability, which favors the bicyclo[2.2.1] diene ligand to take part in asymmetric transformations, particularly an asymmetric addition reaction involving a metal catalyst in a basic environment. Most of the products of the reactions implemented by the chiral diene ligands of the present invention have superior optical activity. The method of the present invention comprises a first oxidation step, a saponification step, a second oxidation step, a deprotonation step, and a cross-coupling step. The chiral diene ligand of the present invention is very suitable to be used in the fabrication or synthesis of various chemicals and medical products.

Abstract: Photolabile scent storage substance that are capable of photoinduced release of cyclic compounds have at least one cyclic double bond. These scent storage substances are special ketones, and enable greatly improved stability of the scent impression, in particular with a fresh character, in typical applications, for example in textile laundering, room scenting, and in the cosmetic sector. More economical utilization of the stored scents can thereby be ensured. Also described are corresponding washing or cleaning agents, scenting methods, and methods for manufacturing the special ketones.

Abstract: Disclosed herein are phosphine compounds represented by the general formula (4): and corresponding phosphonium salts represented by the general formula (4a): Also disclosed are processes for the preparation of these phosphines and phosphonium salts as well as their use as ligands in catalytic reactions.

Abstract: A star polymer is produced by converting a central compound having at least three functional groups X, an arylene compound having two functional groups Y, and a terminal group compound having a functional group Z, the functional groups X of the central compound each reacting with a functional group Y of the arylene compound, forming a covalent bond, and the functional group Z of the terminal group compound reacting with a functional group Y of the arylene compound, forming a covalent bond, the terminal group compound being used in a stoichiometric quantity that corresponds essentially to the stoichiometric quantity of the functional groups X of the central compound, and to a method for producing star polymers, a polymer mixture including star polymers, and to the use of star polymers.

Abstract: The invention provides a compound of Formula (I) pharmaceutically acceptable salts, pro-drugs, biologically active metabolites, stereoisomers and isomers thereof wherein the variable are defined herein. The compounds of the invention are useful for treating immunological and oncological conditions.

Abstract: Disclosed are: a novel palladium catalyst which does not undergo leakage, can be recycled, does not require the use of any phosphorus-containing ligand, and has a high catalytic activity; and a process for producing a novel bisaryl compound using the palladium catalyst. In the production of a bisaryl compound by reacting an aromatic halide with an aromatic boronic acid in the presence of a palladium catalyst and a base, the palladium catalyst comprises a dendrimer containing a silica particle as a core and a palladium compound dissolved in an ionic liquid and supported on the dendrimer.

Abstract: Compounds of formula (I) wherein the substituents are as defined in claim 1, are suitable for use as herbicides.

Abstract: This invention describes the use of resveratrol and curcumin, representatives of naturally occurring polyphenols, in their native form, after hydrogenation, and as their respective allyl derivatives, individually, in combination with themselves and other commercial monomers, to make representative varieties of polymers, e.g., polycarbonates (PC), polyurethanes (PU), co-polymers and biodegradable polymers.

Abstract: The present invention relates to a method for the hydroxylation of halogen aryl compounds carried out at a temperature lower than 200° C. in the presence of a catalytic system including a copper-based catalyst and a ligand L according to reaction scheme Formula (A), in which: R is selected from the groups having an acceptor inductive effect and the groups having a donor mesomer effect; M is selected from alkaline or alkaline-earth cations; X is a halogen atom; r is between 0 and 5; and the ligand L is selected from compounds having formula I.

Abstract: This disclosure concerns a protected cyclopropylboronic acid comprising a substituted cyclopropyl group and a boronic ester group having a protecting group. The protecting group is an N-methyliminodiacetic acid (MIDA) group or MIDA-based group.

Abstract: Iodylbenzene derivatives substituted with electron donating as well as electron withdrawing groups on the aromatic ring are used as precursors in aromatic nucleophilic substitution reactions. The iodyl group (IO2) is regiospecifically substituted by nucleophilic fluoride to provide the corresponding fluoroaryl derivatives. No-carrier-added [F-18]fluoride ion derived from anhydrous [F-18](F/Kryptofix, [F-18]CsF or a quaternary ammonium fluoride (e.g., Me4NF, Et4NF, n-Bu4NF, (PhCH2)4NF) exclusively substitutes the iodyl moiety in these derivatives and provides high specific activity F-18 labeled fluoroaryl analogs. Iodyl derivatives of a benzothiazole analog and 6-iodyl-L-dopa derivatives have been synthesized as precursors and have been used in the preparation of no-carrier-added [F-18]fluorobenzothiazole as well as 6-[F-18]fluoro-L-dopa.

Abstract: The present invention relates to a multi-stage process for producing substituted, optically active alcohols, comprising an enzyme-catalyzed synthesis step, in particular a synthesis step which is catalyzed by an alcohol dehydrogenase. The inventive method is particularly suitable for producing phenylephrine, i.e. 3-[(1R)-1-hydroxy-2-methylamino-ethyl]-phenol.

Abstract: The invention relates to the field of chemistry, especially organic chemistry, and more specifically the field of heterogeneous palladium catalysts used to catalyse chemical reactions involving the formation of carbon-carbon bonds. The invention also relates to a method for synthesising a heterogeneous palladium catalyst that can catalyse a C—C coupling reaction, the method essentially including steps of providing a solid substrate onto which groups of formula —PR1R2, wherein R1 is an optionally substituted alkyl group, or an optionally substituted cycloalkyl group, et R2 is an optionally substituted aryl group or an optionally substituted heteroaryl group, have been covalently bonded, and incorporating a catalytically effective amount of palladium into the resulting substituted substrate. The invention further relates to the resulting catalysts and to the uses thereof in C—C coupling reactions.

Abstract: A process for preparing Erianin (Dihydro Combretastation A-4), wherein 3,4,5-trimethoxy benzaldehyde is converted to phosphonium salt or phosphonate ester or the likes thereof, then reacted with isovanillin (3-hydroxyl-4-methoxyl benzaldehyde) including a protected hydroxyl in the 3-position, followed by hydrogenation and deprotection.

Abstract: The invention relates to a process for the preparation of compounds of general formula (III), wherein R represents fluorine or chlorine atom and X represents chlorine or bromine atom, by halogenation of cyclopropyl benzyl ketone of general formula (II), wherein R represents fluorine or chlorine atom and the halogenation is carried out in the mixture of aqueous hydrogen halide and aqueous hydrogen peroxide in the presence of a water miscible solvent or in the presence of a phase transfer catalyst; or the halogenation is carried out in the mixture of sulfuric acid and an alkali metal salt of aqueous hydrogen halide. The process can be applied preferably on industrial scale.

Abstract: Disclosed is a method for preparing a compound of Formula 1 wherein Q and Z are as defined in the disclosure comprising distilling water from a mixture comprising a compound of Formula 2, a compound of Formula 3, a base comprising at least one compound selected from the group consisting of alkaline earth metal hydroxides of Formula 4 wherein M is Ca, Sr or Ba, alkali metal carbonates of Formula 4a wherein M1 is Li, Na or K, 1,5-diazabicyclo[4.3.0]non-5-ene and 1,8-diazabicyclo[5.4.0]undec-7-ene, and an aprotic solvent capable of forming a low-boiling azeotrope with water.

Abstract: Described herein are methods for synthesizing 1-aryl-2-tetralones in an efficient and highly selective manner. The reaction involves a one-step procedure for coupling an aryl halide to a 2-tetralone, where coupling occurs substantially at the 1-position of the 2-tetralone.

Abstract: A bipyridine compound represented by the formula (1): wherein R1, R2 and R3 each independently represent a C1-C10 alkyl group which may be substituted etc., and R4, R5, R6, R7 and R8 each independently represent a hydrogen atom etc., a transition metal complex obtained by contacting a bipyridine compound represented by the formula (1) with a compound of a transition metal belonging to Group 9, 10 or 11, and a method for production of a conjugated aromatic compound comprising reacting an aromatic compound (A) wherein one or two leaving groups are bonded to an aromatic ring with an aromatic compound (A) having the same structure as that of the above-mentioned aromatic compound (A) or an aromatic compound (B) being structurally different from the above-mentioned aromatic compound (A) and having one or two leaving groups bonded to an aromatic ring, in the presence of the transition metal complex.

Abstract: Process for preparing 4,4?-difluorobenzophenone, characterized in that, in a first step, fluorobenzene is reacted with formaldehyde under catalysis by organic sulphonic acids to give difluorodiphenylmethane, the product obtained is isolated, and, in a second step, oxidized with nitric acid to give 4,4?-difluorobenzophenone. 4,4?-Difluorobenzophenone (4,4?-DFBP) is the central starting material for the preparation of aromatic polyether ketones.

Abstract: Novel perfluoroketone compounds of formula [I] and [Ia] are described. Also described are uses thereof, such as for inhibition of phospholipase A2 activity. Therapeutic uses thereof are also described, such as for the treatment of neural conditions and/or inflammatory conditions, such as demyelinating (e.g., multiple sclerosis) and neural injury (e.g., spinal cord injury).

Abstract: SBF derivatives, which can be represented with the following formula: SBF-X wherein: with m=0, 1, 2 or 3; p=positive integer, preferably 1, 2 or 3, with (p+1) being the valency of K; n=positive integer, preferably 1, 2 or 3; L: is the same or different and independently represents C, PR, AsR, SbR, BiR, S, Se, Te, S?Y, Se?Y or Te?Y; Y: is the same or different and independently represents O, S, Se or Te; K: is the same or different and independently represents a chemical bond or a group selected from O, S, BR(2?p), N, NR(2?p), R(2?p)P?O, B3O3, (PR)3N3, CR(3?p), CR(3?p)(C6H4)(p+1), SiR(3?p)(C6H4)(p+1) with (2?p) and (3?p) being a positive integer including zero; alkene, substituted alkene, alkyne, substituted alkyne, aromatic or R substituted aromatic, heteroaromatic or R substituted heteroaromatic or a group resulting from benzene and non benzene, monocyclic and polycyclic hydrocarbons, which can be bivalent, trivalent or of higher valency; or a combination of two, three or four of the above mentioned gro

Abstract: Process for preparing 4,4?-difluorobenzophenone, characterized in that, in a first step, fluorobenzene is reacted with formaldehyde under catalysis by organic sulphonic acids to give difluorodiphenylmethane, the product obtained is isolated, and, in a second step, oxidized with nitric acid to give 4,4?-difluorobenzophenone. 4,4?-Difluorobenzophenone (4,4?-DFBP) is the central starting material for the preparation of aromatic polyether ketones.

Abstract: The present invention mainly relates to a carbon-carbon bond formation catalyzed by a complex comprising a novel and stable ligand and a metal center. The ligand uses a ring, particularly a phenyl group, or a hydrocarbon group to link an amino group and PR1R2, NR1R2, OR1, SR1, or AsR1R2 group for stabling the structure of the ligand.

Abstract: A process for the production of organic substances, including the steps of providing at least a two-phase system, in which selected reactants are reacted in the presence of a phase transfer catalyst, where one of the phases is an organic solvent with a log P value, at 20° C., of more than 2.6, is provided.

Abstract: Stable carbene ligands are provided having a carbene center flanked by a quaternary carbon and an amino group, and having utility in the preparation of various transition metal complexes.

Abstract: A process for preparing benzophenones of the formula I, where X may be chlorine, hydroxyl, methoxy or C1-C6-alkylcarbonyloxy, and Y may be chlorine or bromine, by reacting an acid chloride of the formula II where X and Y are as defined above with 3,4,5-trimethoxytoluene, which comprises carrying out the reaction in the presence of a) an aromatic hydrocarbon as a diluent and b) from 0.01 to 0.2 mol % of an iron catalyst, based on the acid chloride, c) at a temperature between 60° C. and the boiling point of the particular diluent.

Abstract: The present invention provides a method of preparing 1-acetyl-1-chlorocyclopropane from 1,3 dichloro-2-pentanone by reaction with base in the presence of a phase transfer catalyst. The reaction may be run in the presence or absence of an organic solvent and in a continuous or batch process.

Abstract: The present invention relates to a method for the preparation of as 1-(4-Chlorophenyl)-4,4-dimethylpent-1-ene-3-one, also known as Phenyl aldol. The process of the present invention utilizes catalysts. The process enables the manufacture of the Phenyl aldol in the absence of a solvent and without crystalization or filtration steps. Yields in the range of about greater than 95% with purities in the range of about greater than 95% have been obtained with the present invention.

Abstract: This invention relates to a recyclable palladacycle catalyst of formula in which each is a single bond or a double bond, provided that if one is a double bond, its neighboring is not a double bond; each of X and Z, independently, is —P(R?)—, —S—, —N(R?)—, or —N?, in which R? is alkyl, aryl, cyclyl, heteroaryl, or heterocyclyl; each of Y1 and Y2, independently, is an anion of an organic or inorganic acid; each of X1, X2, X3, Z1, Z2, and Z3, independently, is —C?, —CR?—, in which R? is H, alkyl, aryl, cyclyl, heteroaryl, or heterocyclyl; and each of R1, R2, R3, R4, R5, R6, R7, and R8, independently, is H, alkyl, aryl, cyclyl, heteroaryl, or heterocyclyl, or R1, X, X1, and R2, together form a 3–8 membered ring, or R2, X1, X2, and R3, together form a 3–8 membered ring, or R3, X2, X3, and R4, together form a 3–8 membered ring, or R5, Z, Z1, and R6, together form a 3–8 membered ring, or R6, Z1, Z2, and R7, together form a 3–8 membered ring, or R7, Z2, Z3, and R8, together form a 3–8 membered ring; provided t

Abstract: An ecofriendly process for acylation of an alkylated benzene derivative has increased selectively towards para position and comprises a step of reacting the alkylated benzene derivative with an acylating agent in the presence of nitrobenzene, dichlorobenze, dimethylsulfolane, and/or benzotrile, and a crystalline alumino silicate catalyst having general formula M2/nO.Al2O3.xSiO2.wH2O, wherein M is an alkali cation, a rare earth cation, and/or a proton, wherein the Si/Al ratio is in the range of 5.5 to 20, wherein the step of reacting is performed at temperature between 80° to 140° C. for 5 to 25 hours. In a further step, the solid catalyst is separated from the reaction mixture of step, and in yet another step, the acylated alkyl benzene derivative is separated from the mixture.