| Document |
Document Title |
|
JP2004008996A |
To manufacture a high-activity catalyst by highly dispersing and uniformly supporting a metal oxide into and onto a carrier in manufacturing the catalyst which supports, on a porous carrier containing aluminum oxide, at least one metalli...
|
|
JP2004010491A |
To provide a method for simply and selectively producing a saturated fluorinated chain carbonate.This method for simply and selectively producing the saturated fluorinated chain carbonate is characterized by bringing a saturated chain ca...
|
|
JP2004010519A |
To provide a method for industrially advantageously producing dimethyl carbonate.The method for producing dimethyl carbonate comprises (1) a first process for transesterifying ethylene carbonate (EC) with methanol (MeOH) to give a reacti...
|
|
JP2004010571A |
To produce a dialkyl carbonate on an industrial scale at a low cost by the transesterification reaction of a dialkylene carbonate with an alcohol in the presence of a solid catalyst having excellent catalytic activity and durability and ...
|
|
JP2004500388A |
The present invention provides convergent processes for preparing epothilones, desoxyepothilones, and analogues thereof. The present invention further provides novel compositions and methods for the treatment of cancer and additionally p...
|
|
JP3482765B2 |
To safely obtain a diaryl carbonate useful as a raw material for polycarbonate from a diaryl oxalate in high reaction rate and selectivity without using highly toxic phosgene. A diaryl carbonate of formula II is produced by the decarbony...
|
|
JP3482761B2 |
PURPOSE: To readily obtain a diaryl carbonate useful as a raw material of polycarbonate at low temperature without using poisonous phosgene, safely in high selectivity and yield by thermal decarbonylation of a diaryl oxalate in the prese...
|
|
JP3482786B2 |
To obtain a diaryl carbonate useful as a raw material for producing polycarbonate in good yield by heating a diaryl oxalate in the presence of a specific catalyst in decarbonylation reaction of the diaryl oxalate. The decarbonylation rea...
|
|
JP2003342237A |
To provide a method for producing dimethyl carbonate (DMC) and ethylene glycol (EG) by transesterification between ethylene carbonate (EC) and methanol (MeOH) in the presence of a homogeneous catalyst, so modified as to directly use, aft...
|
|
JP2003535936A |
A process for the production of aliphatic oligocarbonate diols is disclosed. The optionally catalyzed high yield process entails the multistage transesterification of aliphatic diols with dimethyl carbonate. In the process DMC-methanol m...
|
|
JP3470192B2 |
PURPOSE: To prepare an org. carbonate while increasing productivity, selectivity and the stability of a catalytic system by reacting an alcohol or a diol with carbon monoxide and oxygen in the presence of a reaction coadjuvant. CONSTITUT...
|
|
JP2003321421A |
To provide a catalytic system enabling a metal (especially palladium) of a platinum group, or a compound thereof to be easily separated and recovered and to be reused, and exhibiting sufficient activities in a method for producing an aro...
|
|
JP2003300936A |
To provide a method for effectively separating methanol and dimethyl carbonate from their mixture comprising the both as main ingredients.The method for continuously and simultaneously producing a dialkyl carbonate and glycol by transest...
|
|
JP2003300918A |
To provide a method for efficiently separating methanol and dimethyl carbonate from a mixture containing the same.The method for the continuous and simultaneous production of a dialkyl carbonate and a glycol by a catalytic transesterific...
|
|
JP2003277326A |
To provide an industrially advantageous method for producing a dialkyl carbonate by subjecting an alkylene carbonate and an alcohol to transesterification.The method for producing the dialkyl carbonate comprises subjecting the alkylene c...
|
|
JP2003277327A |
To provide an industrially advantageous method for producing a dialkyl carbonate by subjecting an alkylene carbonate and an alcohol to transesterification.The method for producing the dialkyl carbonate comprises subjecting the alkylene c...
|
|
JP3452095B2 |
PURPOSE: To provide a new and advantageous method for producing a dialkyl dicarbonate. CONSTITUTION: This method is a method for producing a dialkyl dicarbonate by reacting a corresponding halogenoformic ester with an alkali metal in the...
|
|
JP3442094B2 |
PURPOSE: To advantageously produce dialkyl carbonate without decreasing the activity of a catalyst by adding and allowing a halogeno acid to react with a reaction system consisting of CO, O2 and alcohol as the starting material and a cup...
|
|
JP2003238487A |
To provide a method for continuously producing a carbonic ester.The method for producing the carbonic ester comprises carrying out a transesterification between a carbonic ester such as dimethyl carbonate or diethyl carbonate and a hydro...
|
|
JP2003525262A |
A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds is disclosed. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon mono...
|
|
JP2003525263A |
A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds is disclosed. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon mono...
|
|
JP3437207B2 |
PURPOSE: To prepare efficiently organic carbonates by reacting an alcohol with carbon monoxide and oxygen in gas phase using a catalyst comprising oxides, salts or complexes of cobalt. CONSTITUTION: A symmetrical or asymmetric organic ca...
|
|
JP2003523987A |
A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the p...
|
|
JP2003192642A |
To provide a method producing a fluoroformate of general formula [R1 is a substituted or unsubstituted, saturated or unsaturated primary or secon dary aliphatic group, a substituted or unsubstituted, saturated or unsaturated secondary al...
|
|
JP2003520836A |
A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the p...
|
|
JP2003183198A |
To provide a method for producing a dialkyl carbonate and a glycol, both of which are clean and free of metals or hazardous materials by an ester interchange reaction between an alkylene carbonate and an alcohol.In the method for simulta...
|
|
JP3422647B2 |
To chemically decompose a polycarbonate waste material and to recover bisphenol A of its raw material by transesterifying a polycarbonate(PC) with a lower alcohol by using an alkali as a catalyst, mixing the reaction system with a specif...
|
|
JP2003171324A |
To provide a method for chemically recycling an aromatic polycarbonate, comprising subjecting a waste aromatic polycarbonate resin to an ester interchange reaction with an aromatic monohydroxy compound to recycle the products as an aroma...
|
|
JP2003519114A |
A process for alkoxylating an organic carbonate wherein an alkylene oxide is reacted with an organic carbonate such as a dialkyl carbonate in the presence of a catalytically effective amount of a calcium-containing catalyst to produce al...
|
|
JP3412079B2 |
To prepare catalytic soln. for production of carbonic diester having high selectivity and low corrosiveness, to provide a method for regenerating the catalytic soln. and to produce carbonic diester with the catalytic soln. Alcohol is all...
|
|
JP3413613B2 |
PURPOSE: To prepare diaryl carbonates continuously by reacting dialkyl carbonates with phenols in the mass-coupled and energy-coupled combination of a counter column and a reactive column. CONSTITUTION: The reaction is carried out in the...
|
|
JP3413612B2 |
PURPOSE: To continuously prepare diaryl carbonates or alkyl aryl carbonates from dialkyl carbonates and phenols using an ordinary transesterification catalyst by first allowing the starting material to react in a liquid phase in a counte...
|
|
JP2003518083A |
Hydroxyaromatic compounds such as phenol are carbonylated with oxygen and carbon monoxide in the presence of a catalyst system comprising a Group VIIIB metal, preferably palladium; at least one bromide or chloride salt, preferably sodium...
|
|
JP2003518082A |
Lead halophenoxides, especially bromophenoxides, are prepared by the reaction of lead(II) oxides with a hydroxyaromatic compound such as phenol and a chloride or bromide salt such as an alkali metal bromide, a tetraalkylammonium bromide ...
|
|
JP3409603B2 |
To produce a diaryl carbonate in a high selectivity by the decarbonylation reaction of a diaryl oxalate in the presence of especially an organic phosphorus compound catalyst while keeping high activity and selectivity of the catalyst eve...
|
|
JP3409604B2 |
To produce a diaryl carbonate in a high selectivity over a long period by the decarbonylation reaction of a diaryl oxalate in the presence of an organic phosphonium salt while recovering and reusing the organic phosphonium salt. This pro...
|
|
JP3409665B2 |
To obtain a dialkyl carbonate, which is useful as solvent and raw material for the production of medicine, agrochemical, urethane, polycarbonate, and so on, by decarbonylating a dialkyl oxalate in the presence of an alkali metal in gas p...
|
|
JP2003516376A |
An energy efficient series of mass and energy integrated reactive distillation columns and distillation columns are used to effect the production of diaryl carbonate. Utilizing the method or apparatus of the invention facilitates high di...
|
|
JP3405417B2 |
PURPOSE: To obtain a compsn. containing ester exchange products in a substantially increased amt. and phenols in a reduced amt. CONSTITUTION: In this method, an arylcarbonate is continuously produced by contact ester exchange in a column...
|
|
JP2003113144A |
To provide a method for producing an alkylaryl carbonate by which the alkylaryl carbonate is produced by an ester-interchange reaction of a dialkyl carbonate with phenols so as to be advantageous in both sides of a reaction rate and an e...
|
|
JP2003513061A |
This invention relates to a process for the preparation of hydroxyaromatic chloroformate products suitable for use as chainstopping or endcapping agents. The process involves a semi-batch process in which an aqueous caustic solution is i...
|
|
JP2003096027A |
To provide a method for producing a diaryl carbonate.The method for producing a diaryl carbonate entails reacting an aromatic hydroxy compound of formula (II): R-O-H (wherein, R is a 6-22C aromatic hydrocarbon) with CO and O2 in the pres...
|
|
JP2003512297A |
Process for the preparation of aliphatic fluoroformates by reaction of carbonyl fluoride with an aliphatic alcohol in the presence of sodium fluoride in an ether solvent at -20 to +50 degrees C is new. The sodium fluoride is preferably a...
|
|
JP2003511440A |
(57) [Summary] The present invention relates to a method for producing a peracid, a perester or a diacyl peroxide, wherein the formula R1[C (O) OC (O) OR2]nOr [R3C (O) OC (O) O]pR4Mixed anhydride of, in the presence of a base, of formula...
|
|
JP2003081893A |
To provide a method for continuously and simultaneously producing a dialkyl carbonate and a glycol with low energy.This method for continuously and simultaneously producing the dialkyl carbonate and the glycol comprises conducting transe...
|
|
JP3387318B2 |
To obtain a carrier useful as the carrier of a platinum group catalyst or a platinum group metal-base catalyst compsn. as a catalyst used especially at the time of producing carbonic diester. This porous lithium aluminate catalyst carrie...
|
|
JP2003073333A |
To provide a method with which a carbonic acid ester and an oxalic acid ester can be produced by reacting carbon monoxide with a nitrous acid ester in the absence of a catalyst (i.e., without using an expensive noble metal catalyst and w...
|
|
JP2003509510A |
A method of synthesizing a CO2-philic analog of a CO2-phobic compound, includes the step of: reacting the CO2-phobic compound with a CO2-philic compound selected from the group of a polyether substituted with at least one side group incl...
|
|
JP3385359B2 |
To provide a method of producing a carbonate in an industrially advantageous manner, in which decomposition reaction of a catalyst by by- produced water and hydrolysis reaction (reverse reaction) are suppressed and, a desired carbonate c...
|
|
JP3385245B2 |
The decomposition of di-t-butyl dicarbonate which is a thermally unstable compound is inhibited. To achieve the object, a hydrocarbon compound such as hexane, cyclohexane, 1-hexene or toluene and/or a chain ether compound such as diisopr...
|
