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8168830 |
High stability diionic liquid salts
The present invention relates to diionic liquid salts of dicationic or dianionic molecules, as well as solvents comprising such diionic liquids and the use of such diionic liquids as the stationary...
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8168831 |
Non-aqueous electrolyte cell, electrode stabilizing agent, phosphazene derivative and method of producing the same
A non-aqueous electrolyte cell comprises a positive electrode, a negative electrode and a non-aqueous electrolyte containing a support salt. The non-aqueous electrolyte further comprises a...
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7901812 |
Materials useful as electrolytic solutes
The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, O, S or P bearing the positive charge and whereof the anion...
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7863459 |
Process for preparing onium salts
An 'onium salt, e.g. a quaternary ammonium salt, of an anionic dye may be prepared by mixing an aqueous solution of a salt of the dye with a solution of a water-insoluble 'onium salt in an organic...
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7847126 |
Process for preparing tertiary phosphines
The invention relates to a process for synthesizing tertiary phosphines by reacting halophosphines with organomagnesium compounds in the presence of copper compounds and optionally of salts.
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7829744 |
Phosphonium salts and their method of preparation
A primary phosphine or a secondary phosphine is reacted with an ester compound selected from the group consisting of; a phosphate triester; a phosphonate diester; a sulfate diester; and a sulfonate...
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7754462 |
Enzyme catalysis in the presence of ionic liquids
The invention relates to the implementation of enzyme-catalysed reactions in the presence of ionic liquids.
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7744851 |
Methods and agents for preparing 18F-radiolabeled fluorinating agents
The present invention is directed to a method for preparing an anhydrous 18F-radiolabeled fluorinating agent by a nucleophilic reaction of a hydrated 18F-radiolabeled fluoride ion source with an...
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7723536 |
Synthetic techniques and intermediates for polyhydroxy dienyl lactones and mimics thereof
Synthetic methods and intermediates useful in the preparation of lactone containing compounds such as discodermolide and compounds which mimic the chemical or biological activity of discodermolide...
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7709598 |
Fluorinated alkyl fluorophoshoric acid salts of onium and transition metal complex
To obtain a polymerization initiator (acid generating agent) having excellent power for initiation of cationic polymerization without containing arsenic or antimony. Provided is a specific onium...
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7705064 |
Photosensitive compounds, photopolymerizable compositions including the same, and methods of making and using the same
The present invention is directed to reaction products prepared from at least one Michael addition donor material including two or more active methylene hydrogens; and at least one material capable...
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7638653 |
Method of preparing phosphonium compound for cyclic olefin polymerization
Provided is a method of preparing a phosphonium compound by reacting a protic phosphonium compound represented by [(R1)—P(R2)a(R2′)b]HX and a salt compound represented by [C][Ani]. Therefore, a pho...
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7595422 |
Process for conditioning isocyanates
The invention relates to a novel process for conditioning isocyanates. The purpose of conditioning of isocyanates or of mixtures of isocyanates is to remove organophosphorus components in a...
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7592486 |
Anhydrous fluoride salts and reagents and methods for their production
Anhydrous organic fluoride salts and reagents prepared by a method comprising the nucleophilic substitution of a fluorinated aromatic or fluorinated unsaturated organic compound with a salt having...
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7560595 |
Non-aqueous electrolyte cell, electrolyte stabilizing agent, and phosphazene derivative and method for preparation thereof
A non-aqueous electrolyte cell comprises a positive electrode, a negative electrode and a non-aqueous electrolyte containing a support salt. The non-aqueous electrolyte further comprises a...
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7547807 |
Method for producing phosphonium salts
The present invention relates to a process for preparing quaternary phosphonium salts by reacting a ternary phosphine with an optionally substituted, saturated or monounsaturated or polyunsaturated...
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7544807 |
Ionic liquids
Low melting ionic compounds of the general formula (cation) (R′SO4) in which R′ is a branched or linear, saturated or unsaturated, aliphatic or alicyclic functionalized or non-functionalized hyd...
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7491851 |
Method for generating secondary phosphines
This invention provides a method for generating secondary phosphines from secondary phosphine oxides in the presence of a reducing agent, such as diisobutylaluminum hydride (DIBAL-H),...
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7465838 |
Chiral diols, their manufacture and ligands and catalysts derived therefrom
The present invention relates to a method for the preparation of C2-symmetric 1,4-diols of the formula IVA or IVB, wherein ring A, R1 and R2 have the meanings given in the specification, that makes...
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7393980 |
Use of a composition of an ionic nature as a substrate reagent, a composition constituting a fluorination reagent and a method using same
The invention relates to a novel method for producing nucleophilic substitutions, particularly of type SNAr and SN2. More specifically, the invention relates to the use as a fluorinating reaction...
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7378194 |
Materials useful as electrolytic solutes
The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, O, S or P bearing the positive charge and whereof the anion...
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7348458 |
Phosphonium salt, organically modified layered silicate containing the phosphonium salt and composition thereof
A tetraalkylphosphonium salt having at least one branched alkyl chain containing 9 to 100 carbon atoms in total, an organically modified layered silicate containing the tetraalkylphosphonium salt...
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7297289 |
Ionic liquids, electrolyte salts for storage device, electrolytic solution for storage device, electric double layer capacitor, and secondary battery
Electrical storage devices having excellent low-temperature properties can be obtained by using a quaternary salt (or ionic liquid) of general formula (1) below as an electrolyte salt for...
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7288679 |
Device provided with a dedicated dye compound
A device comprises at least one organophosphonium transition metal dye or is provided with a filter, comprising at least one organophosphonium transition metal dye, wherein, in a particular...
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7250535 |
Process for producing tertiary phosphine
A production process by which tertiary phosphine with an attached sterically bulky hydrocarbon group is produced in a high yield and with high purity on an industrial scale through simple and safe...
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7230137 |
Process for the synthesis of cycloorganylphosphanes and di(alkyli metal/alkaline earth metal) oligophosphanediides
The invention relates to a process for the preparation of cycloorganylphosphanes of formula 1 (R1P)n by reaction of dihalo(organyl)phosphanes of formula R1PHal2 with: a) activated zinc in an...
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7230136 |
Process for preparing tertiary phosphines
The invention relates to a process for synthesizing tertiary phosphines by reacting halophosphines with organomagnesium compounds in the presence of copper compounds and optionally of salts.
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7208605 |
Functionalized ionic liquids, and methods of use thereof
One aspect of the present invention relates to ionic liquids comprising a pendant Bronsted-acidic group, e.g., a sulfonic acid group. Another aspect of the present invention relates to the use of...
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7196227 |
Process for the recovery of phosphorus and iodine containing catalyst components
Disclosed is a process for the recovery of phosphorus and/or iodine containing catalyst components, present as an organophosphorus compound such as trihydrocarbylphosphine compounds and...
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7179928 |
Synthesis of triphenylphosphonium quinols and quinones
The methods of preparing quinols and quinones typified by mitoquinol and mitoquinone where a compound typified by idebenone is reacted with Ph3PHX and Ph3P, where X is a halogen atom.
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7148176 |
Production of novel phosphane ligands and use in catalytical reactions
The present invention is directed to phosphine ligands and the use of such ligands in catalytic complexes with transition metals. The catalysts may be used in a variety of reactions and are...
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7105714 |
Solvent-free mechanochemical preparation of phosphonium salts, phosphorus ylides, and olefins
The present invention provides a method of preparing a phosphonium salt of the formula [R1R2R3P—CR4R5R6]X, comprising ball-milling a phosphine of the formula R1R2R3P with a compound of the f...
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6946578 |
Process for producing phenoxyphosphazene compound, flame-retardant resin composition, and flame-retardant resin molding
An improved phenoxyphosphazene compound is produced by treating a phenoxyphosphazene compound with (a) at least one adsorbent selected from activated carbon, silica gel, activated alumina,...
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6919291 |
Fluorinated zwitterionic cocatalyst activators for olefin polymerization
Zwitterionic compositions of matter comprising cations [Ct]+ and anions connected together with substantially rigid fluorinated linking groups are described. These zwitterionic compositions serve...
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6774265 |
Bis-phosphonium salt and process for producing the same
A bis-phosphonium salt represented by the following formula (1) is provided: wherein R1, R2, R3, and R4 each represent a linear or branched alkyl group, a cycloalkyl group, an aryl group, or an...
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6765102 |
Water-compatible cationic epoxy compounds
Water-soluble or water-dispersible branched or unbranched cationic epoxy compounds comprise a backbone having covalently attached thereto two or more epoxy moieties and one or more of the same or...
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6747118 |
Storage of phosphonium phenolate catalysts and their use as interesterification catalysts
A process for preparing a melt transesterification catalyst is disclosed. The process entails (i) obtaining a phenol adduct of phosphonium phenolatein the form of crystalline solid and (ii) storing...
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6740781 |
Process for separating reaction mixtures and recycling quaternary salts and bases
A process for the removal and recovery of quaternary salt (A) and base (D) from a reaction mixture is disclosed. The reaction mixture resulting from oxidative direct carbonylation contains in...
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6734325 |
Process for the separation of reaction mixtures and the recirculation of quaternary salts
A process for the separation and recycling of catalyst components from a chemical reaction mixture is disclosed. The process entails at least one extraction step.
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6710153 |
Method for producing phosphonium phenolates
A process for the production of phosphonium phenolates is disclosed. The process entails reacting a phosphonium halide and phenol in an aqueous alkaline solution. The phosphonium phenolate produced...
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6632960 |
Diaryliodonium salt catalysts made from iodotoluene and a method for preparing them
Diaryliodonium salts are disclosed, as well as a method for preparing them, in which one of the aryl groups bonded to the positively-charged iodine ion contains a methyl substituent, and the other...
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6630605 |
Process for the purification of phosphonium salts
The invention relates to a process for the purification of phosphonium salts in which a solution of the crude phosphonium salt is passed over a bed of a cation exchange resin in salt form or of an...
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6603045 |
Preparation of phosphonium salts
Phosphonium salts are prepared by reacting an alkanol with triarylphosphine and sulfonic acids in a solvent.
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6489480 |
Group-15 cationic compounds for olefin polymerization catalysts
This description addresses fluorinated amine compounds meeting the general formula R′iArF—ER2, where ArF is a fluoroaryl group, E is nitrogen or phosphorous, each R is independently a C1-C20 hyd...
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6476273 |
Method for producing phosphonium phenolates
A process for preparing phosphonium phenolate is disclosed. The process entails a reaction of phosphonium halide with phenol in an aqueous alkaline solution at a temperature of 0 to 55° C. The ...
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6451904 |
Preparing sterile articles from polymers containing a stabilizer based on a poly (oxyalkylene)
Novel polymer stabilizers are disclosed. The novel stabilizers have the general formula (R)qSn-(MR″-OCH2-R′CH]m-OT)4-q, P-[(OCH2-R′CH)mOT]3′ wherein M is O or S and R″is (CH2)pCO-, CO-(CH3)p...
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6437187 |
Compounds having an ionic structure used as constituent of an olefin polymerization catalyst
Novel chemical compounds have an ionic structure and in combination with an organometallic transition metal compound form a catalyst system which is advantageously used for the polymerization of...
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6423873 |
Process for preparing phosphonium salts
A process for preparing phosphonium salts of the general formula I in which the substituents have the following meanings, independently of one another:R aryl;X anion of an organic or inorganic acid...
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6331652 |
Process for producing lycopene and intermediate thereof
There are disclosed a sulfonaldehyde derivative of formula (2): ##STR1## a phosphonium salt of formula (3): ##STR2## processes for producing the same and a sulfone derivative of formula (4):...
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6204414 |
Intermediate compound (5-[2-hydroxy-5-(1-hydroxy-1-methylethyl)-2-methyl-cyclopentyl]-3-methyl-p enta-2,4-dienyl) triphenylphos-phosphonium salt, for making metabolites of lycopene
The invention provides an intermediate compound (5-[2-hydroxy-5-(1-hydroxy-1-methylethyl)-2-methyl-cyclopent
yl]-3-methyl-p enta-2,4-dienyl)triphenylphosphonium salt for use in a multi-stage...
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