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WO/2011/037681A1 |
A catalytic process for dehydration of an aliphatic C2-C6 alcohol to its corresponding olefin is disclosed, The process continuously (lows through a reaction zone a liquid phase containing an aliphatic C2-C6 alcohol to contact a non-vola...
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WO/2011/037073A1 |
A process for selective production of low-molecular trans cyclic polyphenol compounds represented by general formula (3) [wherein L, R1, m, and R' are each as defined in the description]. The process includes a step of reacting at least ...
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WO/2011/034071A1 |
Disclosed is a process for producing an oxidation reaction product of an aromatic compound, which has excellent environmental load reduction performance, excellent cost reduction performance and the like. Specifically disclosed is a proc...
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WO/2011/030683A1 |
A cyclic compound represented by general formula (1) [wherein L, R1, R' and m are each as defined in the description]. The cyclic compound exhibits high solubility in a safe solvent and high sensitivity and can yield an excellent resist ...
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WO/2011/030835A1 |
A trisphenol compound represented by general formula (1). In general formula (1), R represents a C1-8 alkyl group, a C1-8 alkoxyl group, a phenyl group or a hydroxyl group; R1 represents a C1-8 alkyl group, a C1-8 alkoxyl group or a phen...
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WO/2011/024957A1 |
Disclosed is a cyclic compound represented by formula (1). (In the formula, L, R1, R' and m are as defined in the description). The cyclic compound represented by formula (1) has high solubility in safe solvents, is highly sensitive, and...
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WO/2011/022511A2 |
Provided herein is a method of reducing purified lignin. Further disclosed herein are aromatic and non-aromatic compounds obtained from reduced lignin.
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WO/2011/016357A1 |
Provided is a novel non-crystalline form of 9,9-bis(4-hydroxy-3- methylphenyl)fluorene which can keep specific quality and which is excellent as a raw material for polymers. Also provided is a process for the preparation of the non-cryst...
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WO/2011/014351A1 |
Processes for alkylating hydroxyaryl compounds by reacting a hydroxyaryl with at least one olefin of a complex hydrocarbon stream. The complex hydrocarbon stream preferably comprises a fraction of a cracked hydrocarbon feed stream or the...
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WO/2011/005735A1 |
Processes for producing 1,3,5-trimethyI-2,4,6-tris(3,5-dialkyl-4- hydroxybenzyl)benzene are provided, in particular such processes that utilize 2,6-di-tert- butylphenol, paraformaldehyde, a secondary amine, mesitylene, and acetic acid.
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WO/2011/003446A1 |
Cardanol derivative comprising one or more units of the formula (I) and a method for obtaining such cardanol derivative.
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WO/2011/001244A1 |
Process for the preparation of phenol and cyclohexanone which comprises : a. the synthesis of cyclohexylbenzene by the hydro- alkylation of benzene by contact with hydrogen or the alkylation of benzene with cyclohexene using Y zeolites; ...
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WO/2010/142913A1 |
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 ...
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WO/2010/137641A1 |
Provided is a process for the production of phenol by reacting monochlorobenzene with water in a liquid or supercritical phase, by which phenol can be obtained in a high yield without generating a large amount of by-products. A process f...
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WO/2010/138248A2 |
In a process for the transalkylation of polycyclohexylbenzenes, a feed containing at least one polycyclohexylbenzene is contacted with benzene under transalkylation conditions with a catalyst comprising a zeolite USY having a silica to a...
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WO/2010/134580A1 |
A conventional method for producing an aromatic fluorine compound uses toxic mercury or tin, and therefore has a risk of contamination of a final compound with such a toxic metal and the final compound cannot be used as a pharmaceutical ...
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WO/2010/125807A1 |
A process for producing a polyhydric phenol, characterized by using the following steps (a) to (d) to produce the phenol: (a) a first step in which (4S,5R,6S)-4,5,6-trihydroxy-2-cyclohexcen-1-one is produced from 2-deoxy-scyllo-inosose t...
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WO/2010/122105A1 |
The invention relates to a method for producing a cross-coupling product of a benzenoid dizonium salt according to the general formula (I), wherein the groups R1, R2, R3, R4, and R5 represent hydrogen, halogen, an alkyl, alkenyl, aryl, a...
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WO/2010/115784A1 |
One subject of the present invention is a process for the hydroxylation of phenols and of phenol ethers by hydrogen peroxide. The invention relates more particularly to a process for the hydroxylation of phenol by hydrogen peroxide. The ...
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WO/2010/113315A1 |
Provided are a piceatannol-containing composition which is a composition originating in a natural material and containing piceatannol at a high concentration, and a method of producing the piceatannol-containing composition. A piceatanno...
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WO2010110482A1 |
A method of dihydroxybenzene purification for obtaining purified dihydroxybenzene from crude dihydroxybenzene containing at least isopropenylphenol and hydroxyacetophenone as impurities, the method comprising the following steps. First e...
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WO/2010/106967A1 |
Disclosed are: a method for producing an alkylated aromatic compound in high yield in a single reaction step using a ketone, an aromatic compound, and hydrogen as starting materials; and a method for producing phenol including the method...
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WO/2010/100518A1 |
The following invention relates to a process for recovering phenol and tar acids from different material feedstocks containing the said phenol and tar acids. The process comprises four main units including two cascading liquid-liquid ext...
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WO/2010/100536A1 |
The following invention relates to a process for recovering phenol and tar acids (cresols, xylenols) from different material feedstocks containing the said phenol and tar acids. The process comprises three to four main units including tw...
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WO/2010/098916A2 |
Disclosed is a process for producing phenol or a substituted phenol and a co-product comprising the steps of (i) contacting a first stream comprising an alkylaromatic compound with a second stream comprising an oxygen-containing gas in t...
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WO/2010/098310A1 |
Disclosed is a substance with far greater catalytic activity in a Suzuki-Miyaura reaction in comparison to conventional heterogeneous catalysts. A zeolite-palladium complex is provided with a USY zeolite and Pd supported on the aforement...
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WO/2010/094860A2 |
The present invention relates to a method for extracting phenolic compounds with low molecular weights from olive fruit water; the invention also relates to compositions enriched with phenolic compounds including at least 40% of dry matt...
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WO/2010/094697A1 |
The present invention refers to a method of converting a lignin material into a liquid product and the liquid product obtainable by the method.
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WO/2010/084929A1 |
Provided is a process for preparing a bisphenol stably at a high conversion and with high selectivity over a long period. A process for preparing a bisphenol by feeding both a phenol compound and a carbonyl compound continuously to a rea...
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WO/2010/082075A1 |
Liquid biofuels consisting of isomers of methylpyran and methyl tetrahydropyran obtained from cellulose, hemicelluloses or starch, and a processs to obtain it using ionic liquids as solvents and an hydrogenation catalyst in a one step re...
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WO/2010/078512A2 |
The present disclosure is directed to the production of 5-tert-butyl-3-methyl-l,2- phenylene dibenzoate and the purification thereof. Synthesis pathways for a precursor to 5- tert-butyl-3 -methyl- 1,2-phenylene dibenzoate are provided. T...
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WO/2010/072798A1 |
A catalytic process for the preparation of optically active compounds and their conversion thereafter to desired drag substances. In particular, the process relates to the preparation of (S)-3-(1-Dimethylamino-ethyl)-phenol using asymmet...
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WO/2010/070168A1 |
The invention relates to a method for purifying 3,4-dihydroxyphenylglycol (DHPG) from any part of the plant, the products or the by-products obtained from the olive tree or any other plant product of the Oleaceae, Orobanchaceae, Plantagi...
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WO/2010/067855A1 |
The present invention relates to a method for producing a Ti-MWW precursor comprising: a first step of heating a mixture to prepare a solid, said mixture comprising a structure-directing agent, a compound containing a Group 13 element of...
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WO/2010/062482A2 |
An improved process for recovering phenol from a bisphenol-A residue stream by reconfiguring the distillation column and the cracking reactor in a way that separates the reboil/distillation heat load and the cracking heat load, so that s...
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WO/2010/057406A1 |
Disclosed is a method for preparing 3-bromo-5-chlorophenol showed as formula (1), which includes the following step: hydrolyzing compound (3) in acidic medium to obtain compound (1), in which X- is Cl-, Br-, HSO4 - or NO3 -. The preparin...
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WO/2010/047364A1 |
Provided is a method for producing an alkylated aromatic compound with which it is possible to greatly reduce the amount of solid acidic substance, as well as a method for producing cumene and a method for producing a phenol comprising s...
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WO/2010/045131A1 |
The invention relates to the preparation of alkylated phenols. More specifically, the invention relates to an improved process for the manufacture of 2-secondary-alkyl- 4,5-di-normal-alkylphenols.
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WO/2010/045423A1 |
A method for producing phenol and acetone in a multi-stage process at an elevated temperature from a cumene hydroperoxide mixture comprising cumene, the method comprising the steps of a) reacting the cumene hydroperoxide mixture with a 2...
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WO/2010/042269A1 |
In a process for reducing the level of tert-butylbenzene in a mixed butylbenzene feed comprising tert-butylbenzene and sec-butylbenzene, the feed is contacted under dealkylation conditions with a catalyst system comprising a dealkylation...
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WO/2010/042315A2 |
In a process for producing cumene from acetone and benzene, a feed stream comprising acetone is contacted with hydrogen in the presence of a hydrogenation catalyst in a first reaction zone under hydrogenation conditions sufficient to con...
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WO/2010/042273A1 |
In a process for oxidizing a hydrocarbon to the corresponding hydroperoxide, alcohol, ketone, carboxylic acid or dicarboxylic acid, a reaction medium comprising a hydrocarbon is contacted with an oxygen-containing gas in a reaction zone ...
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WO/2010/042261A1 |
In a process for producing phenol or a substituted phenol, an alkylaromatic hydroperoxide having a general formula (I): R1 / (I) I2C R2 in which R1 and R2 each independently represents an alkyl group having from 1 to 4 carbon atoms, prov...
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WO/2010/042314A1 |
A process is described for producing cumene comprising contacting a feed stream comprising benzene and a further feed stream comprising isopropanol or a mixture of isopropanol and propylene in the presence of an alkylation catalyst compr...
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WO/2010/034256A1 |
Disclosed is a process for producing phenol, which includes the steps of: reacting the benzene with bromine to obtain bromobenzene and HBr in the presence of catalyst; reacting HBr with oxide of metal MxO to obtain bromide of metal MxBr2...
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WO/2010/027562A1 |
In a process for producing alkylbenzene hydroperoxides, a feed comprising (i) secbutylbenzene, (ii) cumene in an amount greater than 10 wt% of the total feed and (iii) at least one of iso-butylbenzene and tert-butylbenzene in an amount u...
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WO/2010/026244A1 |
The present invention relates to an integrated method for producing cellulose and at least one low-molecular-weight reusable material, in which a starting material containing lignocellulose is provided and subjected to a decomposition wi...
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WO/2010/024975A1 |
In a process for producing phenol, cyclohexylbenzene is oxidized to produce cyclohexylbenzene hydroperoxide and then the resultant cyclohexylbenzene hydroperoxide is cleaved to produce an effluent stream comprising phenol and cyclohexano...
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WO/2010/004371A1 |
A process for preparing 2,2-bis(4-hydroxyphenyl)propane (p,p-bisphenol-A) from2,4,4-trimethyl-2-(4-hydroxyphenyl)chroman (chroman 1.5) is disclosed. Phenol andchroman 1.5 are contacted over an acidic ion exchange resin at a given tempera...
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WO/2009/153374A1 |
The invention relates to a method for obtaining a compound having formula (II), in which a methylenedioxybenzene compound having general formula (I) is treated with an alkaline or alkaline earth salt of a glycol in an aprotic polar solve...
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