WO2006021304A1 - Verfahren zur herstellung quartärer ammoniumverbindungen hoher reinheit - Google Patents
Verfahren zur herstellung quartärer ammoniumverbindungen hoher reinheit Download PDFInfo
- Publication number
- WO2006021304A1 WO2006021304A1 PCT/EP2005/008413 EP2005008413W WO2006021304A1 WO 2006021304 A1 WO2006021304 A1 WO 2006021304A1 EP 2005008413 W EP2005008413 W EP 2005008413W WO 2006021304 A1 WO2006021304 A1 WO 2006021304A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- radical
- carbon atoms
- carbon
- radicals
- aromatic
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/04—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups
- C07C209/14—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of hydroxy groups or of etherified or esterified hydroxy groups
- C07C209/20—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of hydroxy groups or of etherified or esterified hydroxy groups with formation of quaternary ammonium compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/06—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
- C07D213/16—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom containing only one pyridine ring
- C07D213/20—Quaternary compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
Definitions
- the present invention relates to a process for preparing quaternary ammonium compounds by reacting the corresponding tertiary sp 3 -hybridized amine or sp 2 -hybridized imine with dimethyl sulfite.
- Quaternary ammonium compounds are important substances which find wide application. For example, they are used as softener
- Active ingredients in hygiene and cosmetics, as phase transfer catalysts or as conductive salts for electronic applications.
- Another important application group are ionic liquids with alkylammonium, imidazolium or pyridinium as cations.
- Quaternary ammonium compounds having at least one methyl group on the nitrogen are usually prepared by alkylating the corresponding tertiary amines with methyl esters of strong mineral acids such as, in particular, dimethyl sulfate or methyl chloride as methylating agent (see, eg, Houben-Weyl, Methoden der Organi see Chemie, 4th Edition, Volume XI / 2, Georg Thieme Verlag, Stuttgart 1958, pages 591 to 630).
- dimethyl sulfate is its carcinogenic effect, which represents a hazard potential and requires expensive safety measures.
- a disadvantage of the use of methyl chloride is its inertness and associated increased reaction temperature and increased reaction pressure. As a result, side reactions take place which make the work-up more difficult and reduce the yield.
- methyl iodide is also known as a methylating agent for the preparation of quaternary ammonium compounds.
- a disadvantage of the use of methyl iodide is its carcinogenic effect, which represents a potential hazard and requires complex safety measures.
- methyl iodide is not available in the required technical quantities or is relatively expensive compared to the above-mentioned methylating agents.
- the use of dimethyl sulfite as a methylating agent for the preparation of quaternary ammonium compounds is also known per se.
- DE-B 228 247 describes the reaction of various alkaloids of the morphine series with dimethyl sulfite in the presence of methanol as solvent by heating in a water bath to give the corresponding morphinium methyl sulfites (according to the old nomenclature "methylatesulfites” used in the German specification).
- suitable solvents include chloroform and nitrobenzene.
- DE 228 247 further discloses the subsequent reaction of the resulting morphinium methylsulfites with metal halide or hydrohalic acids to give the corresponding morphinium halides.
- JP 2001-322,970 describes the reaction of aliphatic trialkylamines having di- methylsulfite in the presence of a polar solvent such as an alcohol or acetonitrile Al ⁇ at 40 to 100 0 C to give the corresponding methyl trialkyl ammonium methylsulfiten.
- a polar solvent such as an alcohol or acetonitrile Al ⁇ at 40 to 100 0 C
- the product was isolated by distilling off the solvent in vacuo.
- JP 2001-322,970 furthermore discloses the subsequent reaction of the resulting methyl trialkylammonium methyl sulfites with aqueous acid to introduce the desired anion.
- Dimethylsulfite possesses the great advantage of sufficient methylation strength over the other methylating agents enumerated above, which allows gentle reaction conditions, and at the same time the relatively easy removability of most of the methylsulfite anion after addition of the acid of the desired anion by heating to form methanol and volatile sulfur dioxide.
- a sulfur content of the order of> 2% by weight remains in the isolated quaternary ammonium compound after reaction with the acid of the desired anion due to the processes described in DE 228247 and JP 2001-322,970.
- this sulfur content interferes with various applications of the quaternary ammonium compound, especially when used in the electronics industry.
- the quaternary ammonium compounds prepared by the processes described in the prior art therefore need to be thoroughly cleaned prior to their use, which represents a decisive disadvantage.
- the object of the present invention was to find a process for the preparation of quaternary ammonium compounds which does not have the disadvantages of the prior art, is simple to carry out, the alkylating agent to be used is not or only slightly toxic and a simple and flexible introduction of the desired anion with both the direct alkylation product and the product after introduction of the desired anion in high purity without required to be displayed and suitable for use in the electronics industry.
- the common property of the solvents to be used according to the invention is their relatively low polarity, in particular in comparison with the solvents described in the prior art, such as acetonitrile and alcohol in JP 2001-322,970 or methanol, chloroform and nitrobenzene in DE 228 247 Polarity means that the quaternary ammonium methylsulfite formed during the reaction forms its own solid or liquid phase and thus, for example, unconverted educt or possible by-products preferably remain in the solvent phase.
- Suitable hydrocarbons having 6 to 10 carbon atoms are benzene, toluene, ethylbenzene, 1-propylbenzene, 2-propylbenzene, 1-butylbenzene, 2-butylbenzene, tert-butylbenzene, xylene (o-, m-, p-) , Methylethylbenzene (o-, m-, p-), diethylbenzene (o-, m-, p-), trimethylbenzene (vic-, sym-, asym-), cresol (o-, m-, p-), ethylphenol (o-, m-, p-), 1, 2,3,4-tetrahydronaphthalene called.
- Dialkyl ethers with unbranched or branched alkyl groups are generally used as symmetrical or asymmetrical dialkyl ethers having a total of 5 to 10 carbon atoms, where at least one alkyl group is a C 3 - to C 9 -alkyl group. The carbon number of the other alkyl group is given by the total number of carbon atoms mentioned.
- suitable symmetrical or asymmetric dialkyl ethers having a total of 5 to 10 carbon atoms are diisopropyl ether, methyl tert-butyl ether, di-n-butyl ether and diethylene glycol dimethyl ether.
- cycloalkane having 5 to 8 carbon atoms unsubstituted or C 1 - to C 3 -alkyl-substituted cycloalkanes are generally used.
- suitable cycloalkanes having 5 to 8 carbon atoms are cyclopentane, methylcyclopentane, cyclohexane, methylcyclohexane, cycloheptane, cyclooctane.
- C 5 - to Cio-alkane unbranched or branched alkanes are generally used.
- suitable C 5 - to C 10 -alkanes are n-pentane, 2-methylbutane (isopentane), 2,2-dimethylpropane, n-hexane, 2-methylpentane, 3-methylpentane, 2,3-dimethylbutane, 2 , 2-dimethylbutane, n-heptane, isomeric heptane, n-octane, isomeric octane, n-nonane, isomeric nonane, n-decane, isomeric decane called.
- the solvents used in the process according to the invention are preferably toluene, xylene, ethylbenzene, diethylbenzene, methyl tert-butyl ether, cyclohexane, hexane, heptane or octane.
- the amount of solvent to be used in the process according to the invention is generally from 10 to 1000% by weight, preferably from 20 to 500% by weight and more preferably from 20 to 200% by weight, based on the amount of tertiary sp 3 used . hybridized amine or sp 2 -hybridized imine.
- reaction apparatuses which are suitable for a reaction in the liquid phase can be used as reaction apparatuses in the process according to the invention.
- reaction apparatuses which are in particular reactors which allow a corresponding mixing of the liquid educts, for example stirred tank.
- the molar ratio of dimethyl sulfite to the tertiary sp 3 -hybridized amine or sp 2 -hybridized imine in the process according to the invention is generally from 0.9 to 1.5, preferably 0.9 to 1.2, more preferably 0.9 to 1.1 and most preferably 0.95 to 1.05.
- dimethylsulfite is added in slight excess, a small amount of unreacted tertiary sp 3 -hybridized amine or sp 2 -hybridized imine remains in the solvent phase and can be separated therefrom from the phase containing the reaction product. If dimethyl sulfite is added in excess, the unreacted dimethyl sulfite remains in the solvent phase and can likewise be separated therefrom by the phase containing the reaction product.
- the reaction between the tertiary sp 3 -hybridized amine or sp 2 -hybridized imine and the dimethyl sulfite takes place in the process according to the invention at a temperature of 10 to 10O 0 C and a pressure of 0.05 to 2 MPa abs, preferably 0.09 to 0.5 MPa abs, more preferably 0.09 to 0.2 MPa abs, and most preferably from 0.095 to 0.12 MPa abs.
- the time required for the reaction depends primarily on the chemical nature of the educt (reactivity of the tertiary sp 3 -hybridized amine or sp 2 -hybridized imine) and the chosen reaction temperature. It can be determined, for example, by preliminary tests in which, for example, the reaction kinetics are determined, the temperature profile of the exothermic reaction is measured and / or the concentrations of the reactants and of the product are determined analytically. In general, the required period of time is in the range of a few minutes to one day, generally of the order of 0.1 to 24 hours, preferably of the order of 0.1 to 10 hours.
- the mixing of the reaction mixture is usually completed so that a phase separation can take place.
- a phase separation can take place.
- the resulting liquid or solid phase of the quaternary ammonium methylsulfite is separated off.
- the quaternary ammonium methyl sulfite phase is at the bottom and the solvent phase at the top.
- the separated solvent can generally be recycled and used again as solvent for the reaction mentioned. If necessary, it is advisable to take measures against the accumulation of any by-products in the solvent. Possible measures include, for example, (i) the discharge of a small portion of the solvent and its replacement by fresh solvent or (ii) the distillation of at least a small portion of the solvent with subsequent recycling.
- phase of the quaternary ammonium methylsulfite is liquid at the working temperature, it can be shaken out with a suitable solvent in which the quaternary ammonium methylsulfite does not dissolve or only very slightly dissolves.
- suitable solvents for this purpose are, for example, the solvents or esters which can be used for the reaction according to the invention, for example ethyl acetate.
- phase of the quaternary ammonium methylsulfite is fixed at the working temperature, then this can be washed, for example, with a suitable solvent in which the quaternary ammonium methylsulfite does not dissolve or only very slightly dissolves.
- suitable solvents for this purpose are, for example, likewise the solvents or esters which can be used for the reaction according to the invention, for example ethyl acetate.
- the solid quaternary ammonium methylsulfite can also be recrystallized in a suitable solvent.
- Suitable solvents here are solvents in which the quaternary ammonium methylsulfite dissolves, for example alcohols, acetonitrile, tetrahydrofuran or nitrobenzene.
- the optionally purified quaternary ammonium methylsulfite it is advantageous to dry it beforehand. If a drying is carried out, it is preferably carried out in a temperature-saving manner in a vacuum in order to prevent decomposition of the quaternary ammonium methylsulfite and, in particular, isomerization to the quaternary ammonium methanesulfonate.
- the process according to the invention can be carried out batchwise, semicontinuously or continuously.
- the batchwise reaction the reactants and the solvent are combined and the reaction is carried out at the desired temperature.
- the reaction mixture is worked up as described.
- both starting materials are slowly added to the reaction mixture at the desired temperature for the reaction, it being possible for the solvent to be added together with one of the two starting materials, distributed to both starting materials or separately.
- the reaction mixture is taken off continuously in accordance with the amounts of starting materials and solvent fed and worked up as described.
- the workup itself can also be carried out continuously.
- Semicontinuous variants require at least at least one of the two educts at the desired temperature slowly, wherein the reaction is generally carried out in parallel with the addition. After the desired amount (s) has been added, the reaction mixture is generally left to afterreact for a certain time and then worked up as described.
- the tertiary sp 3 -hybridized amine or tertiary sp 2 -hybridized imine used is preferably an amine, an imidazole, a pyridine or a guanidine.
- the tertiary sp 3 -hybridized amine used is preferably an amine of the general formula (I)
- radicals R 1 to R 3 independently of one another are carbon-containing organic, saturated or unsaturated, acyclic or cyclic, aliphatic, aromatic or araliphatic, unsubstituted or interrupted by 1 to 5 heteroatoms or functional groups and having 1 to 20 carbon atoms.
- the radical R 1 can also be hydrogen; or
- the radical R 1 is as defined above and the radicals R 2 and R 3 together form a bivalent, carbon-containing organic, saturated or unsaturated, acyclic or cyclic, aliphatic, aromatic or araliphatic, unsubstituier ⁇ th or by 1 to 5 Heteroatoms or functional groups mean interrupted or substituted radical having 1 to 30 carbon atoms; or
- radicals R 1 , R 2 and R 3 together form a trivalent, carbon-containing organic, saturated or unsaturated, acyclic or cyclic, aliphatic, aromatic or araliphatic, unsubstituted or interrupted by 1 to 5 heteroatoms or functional groups radical with 1 to 40 carbon atoms mean;
- the tertiary sp 2 -hybridized imine used is preferably an imidazole of the more general formula (II) in the
- radicals R 4 to R 7 independently of one another are carbon-containing organic, saturated or unsaturated, acyclic or cyclic, aliphatic, aromatic or araliphatic, unsubstituted or interrupted or substituted by 1 to 5 heteroatoms or functional groups having 1 to 20 carbon atoms.
- two adjacent radicals together represent a divalent, carbon-containing organic, saturated or unsaturated, acyclic or cyclic, aliphatic, aromatic or araliphatic radical, unsubstituted or interrupted by 1 to 5 heteroatoms or functional groups and having 1 to 30 carbon atoms and the remaining group is as previously defined;
- the tertiary sp 2 -hybridized imine used is preferably a pyridine of the general formula (III)
- radicals R 8 to R 12 independently of one another hydrogen, halogen, a functional group or a carbon-containing organic, saturated or ungesreli ⁇ th, ae cyclic or cyclic, aliphatic, aromatic or araliphatic, unsubstituted or interrupted by 1 to 5 heteroatoms or functional groups substituted or substituted radical having 1 to 20 carbon atoms; or
- the tertiary sp 2 -hybridized imine used is preferably a guanidine of the general formula (IV)
- radicals R 13 to R 17 are each independently a carbon-containing organic, saturated or unsaturated, acyclic or cyclic, aliphatic, aromatic or araliphatic, unsubstituted or interrupted by 1 to 5 heteroatoms or functional groups radical having 1 to 20 carbon atoms.
- the radicals R 13 and R 15 independently of one another can also be hydrogen; or
- radicals R 13 and R 14 and / or R 15 and R 16 together contain a divalent, carbon-containing organic, saturated or unsaturated, acyclic or cyclic, aliphatic, aromatic or araliphatic, unsubstituted or by 1 to 5 heteroatoms or functional groups are interrupted or substituted radicals having 1 to 30 carbon atoms and the remaining radicals / the remaining radical are as defined above; or
- radicals R 14 and R 15 together form a divalent, carbon-containing orga ⁇ African, saturated or unsaturated, acyclic or cyclic, aliphatic, aromatic or araliphatic, unsubstituted or interrupted by 1 to 5 heteroatoms or functional groups radical or 1 to 30 Koh ⁇ lenstoffatomen mean and the remaining radicals are as defined above;
- the carbon-containing radical contains heteroatoms, oxygen, nitrogen, sulfur, phosphorus and silicon are preferred.
- the carbon-containing radical may also be bonded directly via the heteroatom to the imidazolium or pyridinium ring.
- Fractional groups and heteroatoms can also be directly adjacent, so that combinations of several adjacent atoms, such as -O- (ether), -S- (thioether), -COO- (ester), -CONH- (secondary amide) or -CONR (tertiary amide), are included, for example di (C 1 -C 4 alkyl) amino, Ci-C 4 alkyl oxycarbonyl or CrC 4 alkyloxy.
- Halogens are fluorine, chlorine, bromine and iodine.
- C 1 interrupted by functional groups, aryl, alkyl, aryloxy, alkyloxy, halogens, heteroatoms and / or heterocycles and / or interrupted by one or more oxygen and / or sulfur atoms and / or one or more substituted or unsubstituted imino groups - to C 18 -alkyl;
- C 2 interrupted by functional groups, aryl, alkyl, aryloxy, alkyloxy, halogens, heteroatoms and / or heterocycles and / or interrupted by one or more oxygen and / or sulfur atoms and / or one or more substituted or unsubstituted imino groups - to C 1S - alkenyl;
- aryl optionally substituted by functional groups, aryl, alkyl, aryloxy, alkyloxy, halogens, heteroatoms and / or heterocycles C ⁇ - to C 12 -aryl;
- C 5 -C 4 -cycloalkyl which is substituted by functional groups, aryl, alkyl, aryloxy, alkyloxy, halogens, heteroatoms and / or heterocycles
- C 5 -C 12 -cycloalkenyl which is substituted by functional groups, aryl, alkyl, aryloxy, alkyloxy, halogens, heteroatoms and / or heterocycles
- aryl, alkyl, aryloxy, alkoxy, halogen, heteroatoms and / or heterocycles Cr to Ci 8 -AIkyl is preferably methyl, ethyl, 1-propyl, 2-propyl, 1-butyl, 2 Butyl, 2-methyl-1-propyl (isobutyl), 2-methyl-2-propyl (tert-butyl), 1-pentyl, 2-pentyl, 3-pentyl, 2-methyl-1-butyl, 3 Methyl-1-butyl, 2-methyl-2-butyl, 3-methyl-2-butyl, 2,2-dimethyl-1-propyl, 1-hexyl, 2-hexyl, 3-hexyl, 2-methyl-1 pentyl, 3-methyl-1-pentyl, 4-methyl-1-pentyl, 2-methyl-2-pentyl, 3-methyl-2-pentyl, 4-methyl-2-pentyl, 2-methyl-3-pentyl, 3-
- C 2 optionally substituted by functional groups, aryl, alkyl, aryloxy, alkyloxy, halogen, heteroatoms and / or heterocycles and / or interrupted by one or more oxygen and / or sulfur atoms and / or one or more substituted or unsubstituted imino groups
- C 6 -C 12 -aryl which is optionally substituted by functional groups, aryl, alkyl, aryloxy, alkyloxy, halogen, heteroatoms and / or heterocycles is preferably phenyl, toIyI, xylyl, .alpha.-naphthyl, .beta.-naphthyl , 4-diphenylyl, chlorophenyl, dichlorophenyl, trichlorophenyl, difluorophenyl, methylphenyl, dimethylphenyl, trimethylphenyl, ethylphenyl, diethylphenyl, isopropylphenyl, tert-butylphenyl, dodecylphenyl, methoxyphenyl, dimethoxyphenyl, ethoxyphenyl, hexyloxyphenyl, methylnaphthyl, Isopropylnap
- C 5 -C 12 -cycloalkyl optionally substituted by functional groups, aryl, alkyl, aryloxy, alkyloxy, halogen, heteroatoms and / or heterocycles is preferably cyclopentyl, cyclohexyl, cyclooctyl, cyclododecyl, methylcyclopentyl, dimethylcyclopentyl, methylcyclohexyl , Dimethylcyclohexyl, diethylcyclohexyl, butylcyclohexyl, methoxycyclohexyl, dimethoxycyclohexyl, diethoxycyclohexyl, butylthio cyclohexyl, chlorocyclohexyl, dichlorocyclohexyl, dichlorocyclopentyl, C n F 2 .a ) - (I - b) H 2a -b with n ⁇ 30.0 ⁇ a
- An optionally substituted by functional groups, aryl, alkyl, aryloxy, alkyloxy, halogen, heteroatoms and / or heterocycles substituted five- to six-membered, oxygen, nitrogen and / or sulfur atoms containing heterocycle is preferably furyl, thiophenyl, pyrryl, Pyridyl, indolyl, benzoxazolyl, dioxolyl, dioxo, benzimidazolyl, benzthiazolyl, dimethylpyridyl, methylquinolyl, dimethylpyrryl, methoxyfuryl, dimethoxypyridyl or difluoropyridyl.
- R 1 and R 2 , R 2 and R 3 , R 1 and R 3 , R 4 and R 5 , R 5 and R 7 , R 7 and R 6 , R 8 and R 9 , R 9 and R 10 , R 10 and R 11 , R 11 and R 12 , R 13 and R 14 , R 14 and R 15 , R 15 and R 16 , R 13 and R 17 and R 16 and R 17 together are an unsaturated, saturated th or aromatic, optionally substituted by functional groups, aryl, alkyl, aryloxy, alkyloxy, halogen, heteroatoms and / or heterocycles and optionally interrupted by one or more oxygen and / or sulfur atoms and / or one or more substituted or unsubstituted imino groups ring
- it is preferably 1,3-propylene, 1,4-butylene, 1,5-pentylene, 2-oxa-1,3-propylene, 1-oxa-1,3-propylene, 2-oxa
- radicals contain oxygen and / or sulfur atoms and / or substituted or unsubstituted imino groups
- the number of oxygen and / or sulfur atoms and / or imino groups is not restricted. As a rule, it is not more than 5 in the radical, preferably not more than 4, and very particularly preferably not more than 3.
- radicals contain heteroatoms, then between two heteroatoms there are generally at least one carbon atom, preferably at least two carbon atoms.
- the radicals R 1 to R 3 , R 7 and R 13 to R 17 independently of one another are unbranched or branched C 1 to C 12 -alkyl, such as, for example, methyl, ethyl, 1-propyl, 2-propyl, 1-butyl, 2-butyl, 2-methyl-1-propyl (isobutyl), 2-methyl-2-propyl (tert-butyl), 1-pentyl, 2-pentyl, 3-pentyl, 2-methyl-1-butyl, 3 Methyl 1-butyl, 2-methyl-2-butyl, 3-methyl-2-butyl, 2,2-dimethyl-propyl, 1-hexyl, 2-hexyl, 3-hexyl, 2-methyl-1-pentyl , 3-methyl-1-pentyl, 4-methyl-1-pentyl, 2-methyl-2-pentyl, 3-methyl-2-pentyl, 4-methyl-2-pentyl, 2-methyl-3-pentyl, 3
- the radicals R 4 to R 6 and R 8 to R 12 are independently voneinan ⁇ of hydrogen or unbranched or branched C 1 - to C 12 -alkyl, such as spielnem methyl, ethyl, 1-propyl, 2-propyl , 1-butyl, 2-butyl, 2-methyl-1-propyl (isobutyl), 2-methyl-2-propyl (tert-butyl), 1-pentyl, 2-pentyl, 3-pentyl, 2- Methyl-1-butyl, 3-methyl-1-butyl, 2-methyl-2-butyl, 3-methyl-2-butyl, 2,2-dimethyl-1-propyl, 1-hexyl, 2-hexyl, 3 Hexyl, 2-methyl-1-pentyl, 3-methyl-1-pentyl, 4-methyl-1-pentyl, 2-methyl-2-pentyl, 3-methyl-2-pentyl, 4-methyl-2-pentyl, 2-methyl-3-pentyl, 2-methyl
- the guanidine (IV) used is N, N, N ', N', N'-pentamethylguanidine.
- the reaction takes place between them and the dimethyl sulfite preferably at a temperature of 10 to 80 0 C, particularly preferably from 10 to 60 0 C and most preferably from 10 to 40 ° C.
- the reaction takes place between them and the dimethyl sulfite preferably at a temperature of 20 to 100 0 C, particularly preferably from 30 to 9O 0 C and most preferably from 50 to 8O 0 C. ,
- the resulting quaternary ammonium methylsulfite can be further processed in a further reaction stage to introduce the desired anion.
- a preferred anion is the hydrogen sulfite anion.
- the quaternary ammonium sulfite In order to obtain the quaternary ammonium hydrogen sulfite, the quaternary ammonium methylsulfite formed is reacted with water with liberation of methanol.
- all reaction apparatuses which are suitable for a reaction in the liquid phase can be used as reaction apparatuses. These are, in particular, reaction apparatuses which permit a corresponding mixing of the liquid educts, for example stirred tanks.
- the molar ratio of water to quaternary ammonium methylsulfite is generally from 0.9 to 1.5, preferably from 0.95 to 1.2, more preferably from 0.95 to 1.1, and most preferably from 0.99 to 1.05 ,
- the reaction is generally carried out at a temperature of 10 to 8O 0 C, preferably from 10 to 6O 0 C and particularly preferably from 20 to 4O 0 C.
- the pressure is generally 0.05 to 2 MPa abs, preferably 0, 09 to 0.5 MPa abs and more preferably 0.095 to 0.12 MPa abs.
- the time required for the reaction is generally from a few minutes to several hours, preferably 0.1 to 5 hours, and can for example be determined by the course of the reaction (pH, concentration of the methyl sulfite anion).
- pH concentration of the methyl sulfite anion
- After the reaction is generally the methanol formed and any ⁇ existing excess water in vacuo at a temperature of 10 to 80 0 C and preferably from 10 to 60 0 C deducted.
- the product obtained can be reacted with solvents in which the quaternary ammonium hydrogensulfite does not dissolve or only very slightly, for example an aromatic hydrocarbon having 6 to 10 carbon atoms, a symmetrical or unsymmetrical dialkyl ether having a total of 5 to 10 carbon atoms, a cycloalkane having 5 to 8 carbon atoms or a C 5 - to C 10 alkane.
- solvents in which the quaternary ammonium hydrogensulfite dissolves, for example an alcohol, acetonitrile, tetrahydrofuran or nitrobenzene.
- the product is generally dried in vacuo.
- the quaternary ammonium methylsulfite formed is reacted with an inorganic or organic protic acid having a pK a of from 1.8 to 14, measured at 25 ° C. in aqueous solution, with the release of methanol and Sulfur dioxide and formation of the quaternary ammonium salt of the corresponding partially or fully deprotonated acid anion.
- the pKa of the inorganic or organic protic acid to be used is preferably from 1, 8 to 10, particularly preferably 2 to 10 and most vorzugt 3 to 10, measured at 25 0 C in aqueous solution.
- all reaction apparatuses which are suitable for a reaction in the liquid phase can be used as reaction apparatuses. These are in particular reactors which allow a corresponding mixing of the liquid educts, for example stirred tank.
- the molar ratio of the inorganic or organic protic acid to the quaternary ammonium methylsulfite is generally from 0.9 to 1.5, preferably 0.95 to 1.1, more preferably 0.95 to 1.05 and very particularly preferably 0, 99 to 1, 02.
- the reaction is generally carried out at a temperature of 10 to 80 0 C, preferably from 10 to 60 0 C and particularly preferably from 20 to 40 0 C.
- the pressure be ⁇ carries generally 0.05 to 2 MPa abs, preferably 0, From 09 to 0.5 MPa abs and more preferably from 0.095 to 0.12 MPa abs.
- the time required for the reaction is generally from a few minutes to several hours, preferably 0.1 to 5 hours, and can for example be determined by the course of the reaction (pH, Konzent ⁇ ration of the methyl sulfite anion).
- any excess acid which may be present is generally neutralized with a base, for example sodium hydroxide, and the product is subsequently treated with a solvent in which the quaternary ammonium salt does not dissolve, such as, for example, an alcohol, acetonitrile, tetrahydrofuran or Nitrobenzene, washed.
- a solvent in which the quaternary ammonium salt does not dissolve such as, for example, an alcohol, acetonitrile, tetrahydrofuran or Nitrobenzene, washed.
- the product is generally dried in vacuo.
- tetrasubstituted borate of the general formula (Va) [BR a R b R c R d ] ' , wherein R a to R d independently of one another for fluorine or a carbon-containing organic, saturated or unsaturated, acyclic or cyclic, aliphatic, aromatic or Araliphatic radical having 1 to 30 carbon atoms, which is an or contain a plurality of heteroatoms and / or may be substituted by one or more functional groups or halogen;
- organic sulfonate of the general formula (Vb) [R e -SO 3 ] ' , where R e is a carbon-containing organic, saturated or unsaturated, acyclic or cyclic, aliphatic, aromatic or araliphatic radical having 1 to 30 carbon atoms, which may contain one or more heteroatoms and / or may be substituted by one or more functional groups or halogen;
- Carboxylate of the general formula (Vc) [R f -COO] ' wherein R f is hydrogen or a carbon-containing organic, saturated or unsaturated, acyclic or cyclic, aliphatic, aromatic or araliphatic radical having 1 to 30 carbon atoms, which is one or more Heteroatoms and / or may be substituted by one or more functional groups or halogen;
- R m to R 0 independently of one another represent hydrogen or a carbon-containing organic, saturated or unsaturated, acyclic or cyclic, aliphatic, aromatic or araliphatic radical having 1 to 30 carbon atoms which contain one or more heteroatoms and / or one or more heteroatoms a plurality of functional groups or halogen may be substituted;
- Halometallat of the general formula (Vj) [M q Hal r ] s " where M is a metal and Hal for fluorine, chlorine, bromine or iodine, q and r are positive integers and indicate the stoichiometry of the complex and s is a whole positive number and indicates the charge of the complex;
- Ent ⁇ holds the carbon-containing radical heteroatoms, oxygen, nitrogen, sulfur, phosphorus and silicon are preferred.
- Halogens are fluorine, chlorine, bromine and iodine.
- C 30 alkyl and their aryl, heteroaryl, cycioalkyl, halogeno, hydroxy, amino, carboxy, formyl, -O-, -CO-, -CO-O- or -CO-N ⁇ substituted components such as methyl, ethyl, 1-propyl, 2-propyl, 1-butyl, 2-butyl, 2-methyl-1-propyl (isobutyl), 2-methyl-2-propyl (tert -Butyl), 1-pentyl, 2-pentyl, 3-pentyl, 2-methyl-1-butyl, 3-methyl-1-butyl, 2-methyl-2-butyl, 3-methyl-2-butyl, 2 , 2-dimethyl-1-propyl, 1-hexyl, 2-hexyl, 3-hexyl, 2-methyl-1-pentyl, 3-methyl-1-pentyl, 4-methyl
- Hexacosyl, heptacosyl, octacosyl, nonacosyl, triacontyl, phenylmethyl (benzyl), diphenylmethyl, triphenylmethyl, 2-phenylethyl, 3-phenylpropyl, cyclopentylmethyl, 2-cyclopentylethyl, 3-cyclopentylpropyl, cyclohexylmethyl, 2-cyclohexylethyl, 3-cyclohexylpropyl , Methoxy, ethoxy, formyl, acetyl or C n F 2 ( n -a) + (Ib) H 2 a + b with n ⁇ 30, 0 ⁇ a ⁇ n and b 0 or 1 (for example CF 3 , C 2 F 5 ,
- Ci 2 cycloalkyl • C 3 - to Ci 2 cycloalkyl, and whose aryl, heteroaryl, cycioalkyl-, halogen-, hydroxy-, amino-, carboxy-, formyl-, -O-, -CO- or -CO-O-substituted derivatives such as cyclopentyl, 2-methyl-1-cyclopentyl, 3-methyl-1-cyclopentyl, cyclohexyl, 2-methyl-1-cyclohexyl, 3-methyl-1-cyclohexyl, 4-methyl-1-cyclohexyl or
- C 3 - to C 12 -cycloalkenyl and their aryl, heteroaryl, cycloalkyl, halogen, hydroxy, amino, carboxy, formyl, -O-, -CO- or -CO-O-substituted components ⁇ th, such as 3-cyclopentenyl, 2-cyclohexenyl, 3-cyclohexenyl, 2,5-cyclohexadienyl or C n F 2 (n..a) - 3 (ib) H2a-3b with n ⁇ 30, 0 ⁇ a ⁇ n and b 0 or 1; and
- tetra-substituted borate (Va) [BR a R b R c R d] ⁇ , so, in this preferred all four groups R a to R d are the same, which preferably represents fluorine, trifluoromethyl, pentafluoroethyl, phenyl , 3,5-bis (trifluoromethyl) phenyl.
- Particularly preferred tetrasubstituted borates (Va) are tetrafluoroborate, tetraphenylborate and tetra [3,5-bis (trifluoromethyl) phenyl] borate.
- organic sulfonate (Vb) of the radical R e preferably represents methyl, trifluoromethyl, pentafluoroethyl, p-tolyl or C 9 F 19th
- Particularly preferred organic sulfonates (Vb) are trifluoromethanesulfonate (triflate), methanesulfonate, p-tolylsulfonate, nonadecafluorononanesulfonate (nonaflate), dimethlylene glycol monomethyl ether sulfate and octyl sulfate.
- Particularly preferred carboxylates (Vc) are formate, acetate, propionate, butyrate, valerate, benzoate, mandelate, trichloroacetate, dichloroacetate, chloroacetate, trifluoroacetate, difluoroacetate, fluoroacetate.
- z is preferably 0.
- radicals R 9 to R 1 independently of one another preferably represent trifluoromethyl, pentafluoroethyl, phenyl, trichloromethyl, dichloromethyl, chloromethyl, trifluoromethyl, difluoromethyl, fluoromethyl or unbranched or branched C r to C 2 -alkyl, such as methyl, ethyl, 1-propyl, 2-propyl, 1-butyl, 2-butyl, 2-methyl-1 -propyl (isobutyl), 2-methyl-2-propyl ( tert-butyl), 1-pentyl, 2-pentyl, 3-pentyl, 2-methyl-1-butyl, 3-
- Particularly preferred imides (Ve), (Vf) and (Vg) are [F 3 C-SO 2 -N-SO 2 -CF 3] "(bis (trifluoromethylsulfonyl) imide), [F 5 C 2 -SO 2 -N -SO 2 - C 2 F 5 ] " (bis (pentafluoroethylsulfonyl) imide), [F 3 C-SO 2 -N-CO-CF 3 ] " , [F 3 C-CO-N-CO-CF 3 ] " and those in which the radicals R 9 to R 1 independently of one another are methyl, ethyl, propyl, butyl, phenyl, trichloromethyl, dichloromethyl, chloromethyl, trifluoromethyl, difluoromethyl or fluoromethyl.
- the radicals R m to R 0 independently of one another preferably represent trifluoromethyl, pentafluoroethyl, phenyl, trichloromethyl, dichloromethyl, chloromethyl, trifluoromethyl, difluoromethyl, fluoromethyl or unbranched or branched C 1 - to C 2 -alkyl, such as methyl, ethyl, 1 Propyl, 2-propyl, 1-butyl, 2-butyl, 2-methyl-1-propyl (isobutyl), 2-methyl-2-propyl (tert-butyl), 1-pentyl, 2-pentyl, 3 Pentyl, 2-methyl-1-butyl, 3-methyl-1-butyl, 2-methyl-2-butyl, 3-methyl-2-butyl, 2,2-dimethyl-1-propyl, 1-hexyl, 2- Hexyl, 3-hexyl, 2-methyl-1-pentyl, 3-methyl-1-pentyl, 4-methyl-1-
- Methides (Vh) Particularly preferred are [(F 3 C-SO 2) 3 C] "(tris (trifluoro- methylsulfonyl) methide), [(C 5 F 2 -SO 2) 3 C]" (bis (pentafluoroethylsulfonyl) methide ) and those in which the radicals R m to R 0 independently of one another are methyl, ethyl, propyl, butyl, phenyl, trichloromethyl, dichloromethyl, chloromethyl, trifluoromethyl, difluoromethyl or fluoromethyl.
- organic sulfate (Vi) [R 13 O-SO 3] " represents the radical R p is preferably a branched or unbranched C r to C 30 -Alklylrest.
- Sawn Sonders preferred organic sulfates (Vi ) are methyl sulfate, ethyl sulfate, propyl sulfate, butyl sulfate, pentyl sulfate, hexyl sulfate, heptyl sulfate or octyl sulfate.
- M preferably represents aluminum, zinc, iron, Cobald, antimony or tin.
- Hal is preferably chlorine or bromine, and very particularly preferably represents chlorine , q is preferably 1, 2 or 3 and r and s are given according to the stoichiometry and charge of the metal ion.
- the anion is thiolate (Vn) [R S S]
- the radical R s is preferably a branched or unbranched Cr to C 30 -AIkIy I rest.
- Particularly preferred thiolates (Vn) are methyl sulfide, ethyl sulfide, n Propylsulfide, n-butylsulfide, n-pentylsulfide, n-hexylsulfide, n-heptylsulfide, n-octylsulfide or n-dodecylsulfide.
- Quaternary ammonium salt in which the partially or fully deprotonated anion tetrafluoroborate, hexafluorophosphate, trifluoromethanesulfonate, methanesulfonate, formate, acetate, mandelate, nitrate, nitrite, trifluoroacetate, sulfate, Hydrogen sulfate, methyl sulfate, ethyl sulfate, propyl sulfate, butyl sulfate, pentyl sulfate, hexyl sulfate, hydrogen sulfate, octyl sulfate, phosphate, dihydrogen phosphate, hydrogen phosphate, propionate, tetrachloroaluminate, Al 2 Cl ?
- the corresponding tertiary sp 3 -hybridized amine or sp 2 -hybridized imine, the solvent and the dimethyl sulfite are combined and reacted with mixing, for example while stirring, at the desired temperature and pressure. After completion of the reaction, the mixing is stopped so that both phases separate. Now you separate the two phases from each other.
- the liquid or solid phase containing the quaternary ammonium methylsulfite is preferably washed with a suitable solvent and then dried in vacuo.
- the resulting quaternary ammonium methylsulfite has a high purity and can be used if necessary for the preparation of quaternary ammonium salts of other anions.
- the resulting quaternary ammonium methylsulfite is mixed with, for example, with stirring, with an inorganic or organic protic acid having a pK a value of ⁇ 14, measured at 25 ° C in aqueous solution, with release of methanol and sulfur dioxide and forming the quaternary ammonium salt of the corresponding partially or fully deprotonated acid anion.
- an inorganic or organic protic acid having a pK a value of ⁇ 14, measured at 25 ° C in aqueous solution
- release of methanol and sulfur dioxide and forming the quaternary ammonium salt of the corresponding partially or fully deprotonated acid anion.
- the process according to the invention makes it possible to prepare quaternary ammonium compounds in high purity without complicated purification steps, is easy to carry out and requires no toxic substances due to the use of dimethyl sulfite as methylating agent.
- the rearrangement of the methylsulfite formed to form the methanesulfonate is almost completely avoided or at least significantly suppressed, which makes possible the high purity, also with regard to the isomeric secondary component methanesulfonate.
- the process according to the invention makes it possible to introduce other anions by the possible reaction of the primary reaction product quaternary ammonium methylsulfite with water or an inorganic or organic protic acid and is therefore very flexible in the choice of the available anion.
- the particular advantage of the use of pure quaternary ammonium methylsulfite in the further reaction with water or an inorganic or organic protonic acid is the easy and complete removal of the methyl sulfite anion to form volatile methanol (in the reaction with water to the hydrogen sulfite) or to form volatile methanol and volatile sulfur dioxide (when reacted with an inorganic or organic protic acid).
- the quaternary ammonium methyl sulfites prepared according to the prior art contain significant amounts of isomeric methanesulfonate, which can no longer be decomposed into readily volatile components. Thus, even after introduction of the desired anion, the methanesulfonate would remain in the reaction mixture and contaminate the final product.
- the quaternary ammonium compounds which can be prepared by the process according to the invention are therefore also suitable for use in the electronics industry without problems.
- N, N'-butyl-methylirnidazolium methylsulfite was on closing (mbar 3) vacuum dried at 0.3 kPa at 40 0 C. The balance was 37.5 g, corresponding to 83% overall theoretical yield (N, N'-butylmethylimidazolium methylsulfite and methanesulfonate).
- N-butylimidazole 62 g (0.5 mol) of N-butylimidazole were treated with 55 g (0.5 mol) of dimethyl sulfite and heated to 8O 0 C with stirring. The reaction was highly exothermic. The solution was stirred for 5 hours at 80 0 C, then Tar ⁇ to about room temperature is cooled and extracted twice with ethyl acetate. N.N'-butyl-methyl-imidazolium-methylsulfite was then dried in vacuo at 0.3 kPa (3 mbar) at 40 0 C. The balance was 108.6 g, corresponding to 92% theoretical Automat ⁇ yield (N.N'-butyl-methylimidazolium-methyl sulfite and methanesulfonate).
- Example 1 of the invention shows a significantly higher purity of> 97%, which corresponds to a calculated yield of N, N'-butyl-methylimidazolium methylsulfite of about 80 to 83%.
- Example 3 was essentially carried out analogously to Example 1 of JP 2001-322,970.
- Example 4 is based on the aboveprojectsbeispie 3, but with the main difference that according to the invention was used as a solvent toluene, with a correspondingly altered workup, and a lower reaction temperature was selected.
- the inventive method achieved a purity which was higher by 1.5% (95.4% vs. 93.9%). This corresponds to a reduction of undesirable triethylmethylammonium methanesulfonate of 1.5 mol%, which corresponds to a relative reduction of 24.6 rel% to 75.4 rel% (4.6 mol% vs. 6.1 mol%).
- the inventive method leads to the quaternization of triethylamine and subsequent exchange of the anion to triethylmethylammonium tetrafluoroborate to a significantly purer product.
- the resulting solid product was analyzed by NMR spectroscopy.
- the 1 H-NMR spectrum (400 Mhz, D 2 O) with signals at 1.4 ppm (t-3H), 3.3 ppm (s-3H-methyl sulfite anion) and 3.4 ppm (q-2H ) shows a mixture of the desired product trimethylethylammonium methylsulfite and trimethylethylammonium hydrogensulfite, which is formed by hydrolysis by the presence of D 2 O.
- the resulting liquid product was analyzed by NMR spectroscopy and identified as N 1 N 1 -butyl-methylimidazolium acetate.
- Example 7 (comparative example with acetonitrile as solvent)
- Example 7 was carried out essentially analogously to Example 1 of JP 2001-322,970, wherein pyridine was used instead of triethylamine.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyridine Compounds (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05768765A EP1784380A1 (de) | 2004-08-24 | 2005-08-03 | Verfahren zur herstellung quartärer ammoniumverbindungen hoher reinheit |
JP2007528655A JP2008510742A (ja) | 2004-08-24 | 2005-08-03 | 高純度の第4級アンモニウム化合物の製造方法 |
US11/661,080 US20080033209A1 (en) | 2004-08-24 | 2005-08-03 | Method For High-Purity Quaternary Ammonium Compounds |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004041139.5 | 2004-08-24 | ||
DE102004041139 | 2004-08-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006021304A1 true WO2006021304A1 (de) | 2006-03-02 |
Family
ID=34973058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/008413 WO2006021304A1 (de) | 2004-08-24 | 2005-08-03 | Verfahren zur herstellung quartärer ammoniumverbindungen hoher reinheit |
Country Status (6)
Country | Link |
---|---|
US (1) | US20080033209A1 (de) |
EP (1) | EP1784380A1 (de) |
JP (1) | JP2008510742A (de) |
KR (1) | KR20070053783A (de) |
CN (1) | CN101006046A (de) |
WO (1) | WO2006021304A1 (de) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007006389A1 (de) * | 2005-07-14 | 2007-01-18 | Merck Patent Gmbh | Mischung von onium-alkylsulfonaten und onium-alkylsulfiten |
WO2007006388A1 (de) * | 2005-07-14 | 2007-01-18 | Merck Patent Gmbh | Verfahren zur herstellung von onium-alkylsulfiten |
FR2912748A1 (fr) * | 2007-02-16 | 2008-08-22 | Centre Nat Rech Scient | Alkyl h-phosphonates de n,n'-dialkylimidazouliums, d'ammoniums quaternaires et leurs utilisations |
US7999111B2 (en) | 2005-07-14 | 2011-08-16 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Process for the preparation of onium alkylsulfonates |
CN103044264A (zh) * | 2012-09-07 | 2013-04-17 | 赵立地 | 一种季铵盐的制备方法 |
US8658808B2 (en) | 2009-05-27 | 2014-02-25 | Sanofi | Process for the production of dronedarone intermediates |
US8669114B2 (en) | 2006-05-17 | 2014-03-11 | Philipps-Universitaet Marburg | Hydrophobic ionic liquids |
US8674121B2 (en) | 2009-05-27 | 2014-03-18 | Sanofi | Process for the production of benzofurans |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101987824B (zh) * | 2009-07-31 | 2013-07-03 | 岳阳凯门科技有限公司 | 超级电容器用高纯度导电盐的制备方法 |
KR101651915B1 (ko) | 2009-09-14 | 2016-08-29 | 한화케미칼 주식회사 | 금속 나노입자 수계 분산액의 제조방법 |
FR2958290B1 (fr) | 2010-03-30 | 2012-10-19 | Sanofi Aventis | Procede de preparation de derives de sulfonamido-benzofurane |
HUP1000330A2 (en) | 2010-06-18 | 2011-12-28 | Sanofi Sa | Process for the preparation of dronedarone and the novel intermediates |
HUP1100167A2 (en) | 2011-03-29 | 2012-11-28 | Sanofi Sa | Process for preparation of dronedarone by mesylation |
HUP1100165A2 (en) | 2011-03-29 | 2012-12-28 | Sanofi Sa | Process for preparation of dronedarone by n-butylation |
FR2983198B1 (fr) | 2011-11-29 | 2013-11-15 | Sanofi Sa | Procede de preparation de derives de 5-amino-benzoyl-benzofurane |
EP2617718A1 (de) | 2012-01-20 | 2013-07-24 | Sanofi | Verfahren zur Herstellung von Dronedaron unter Verwendung von Dibutylaminopropanolreagenz |
WO2013121235A2 (en) | 2012-02-13 | 2013-08-22 | Sanofi | Process for preparation of dronedarone by removal of hydroxyl group |
US9249119B2 (en) | 2012-02-14 | 2016-02-02 | Sanofi | Process for the preparation of dronedarone by oxidation of a sulphenyl group |
WO2013124745A1 (en) | 2012-02-22 | 2013-08-29 | Sanofi | Process for preparation of dronedarone by oxidation of a hydroxyl group |
WO2013178337A1 (en) | 2012-05-31 | 2013-12-05 | Sanofi | Process for preparation of dronedarone by grignard reaction |
JP2016108293A (ja) * | 2014-12-09 | 2016-06-20 | イビデン株式会社 | トリメチルアダマンチルアンモニウム水酸化物の製造方法 |
GB2542876B (en) * | 2015-04-20 | 2019-10-23 | Johnson Matthey Plc | Structure Directing Agent |
CN111623601B (zh) * | 2020-05-29 | 2021-08-27 | 崇阳县青峰科技有限公司 | 一种偏钒酸铵脱水系统及偏钒酸铵的富氨脱水方法 |
CN112939021B (zh) * | 2021-05-13 | 2021-07-20 | 中汽研(天津)汽车工程研究院有限公司 | 一种结构导向剂、制备方法及其应用 |
CN117263974A (zh) * | 2023-09-18 | 2023-12-22 | 江苏利思德新材料股份有限公司 | 一种二烃基次膦酸铵盐及其制备方法和应用 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE228247C (de) * | ||||
JP2001322970A (ja) * | 2000-05-12 | 2001-11-20 | Tonen Chem Corp | 四級アンモニウム塩の製造方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE412325A (de) * | 1961-02-10 | 1900-01-01 | ||
US4021484A (en) * | 1972-02-03 | 1977-05-03 | Arakawa Rinsan Kagaku Kogyo Kabushiki Kaisha | Novel cationic amino resins and processes for producing the same |
-
2005
- 2005-08-03 WO PCT/EP2005/008413 patent/WO2006021304A1/de active Application Filing
- 2005-08-03 KR KR1020077006688A patent/KR20070053783A/ko not_active Application Discontinuation
- 2005-08-03 JP JP2007528655A patent/JP2008510742A/ja not_active Withdrawn
- 2005-08-03 EP EP05768765A patent/EP1784380A1/de not_active Withdrawn
- 2005-08-03 CN CNA2005800284375A patent/CN101006046A/zh active Pending
- 2005-08-03 US US11/661,080 patent/US20080033209A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE228247C (de) * | ||||
JP2001322970A (ja) * | 2000-05-12 | 2001-11-20 | Tonen Chem Corp | 四級アンモニウム塩の製造方法 |
Non-Patent Citations (3)
Title |
---|
DATABASE CA [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; TAKI, TAKAYUKI ET AL: "Preparation of quaternary ammonium salts as electrolytes for capacitors", XP002345078, retrieved from STN Database accession no. 2001:842296 * |
VOSS W ET AL: "UEBER DIE ESTER DER SCHWEFLIGEN SAEURE. I", JUSTUS LIEBIGS ANNALEN DER CHEMIE, VERLAG CHEMIE, WEINHEIM,, DE, vol. 485, 1931, pages 258 - 283, XP000913973, ISSN: 0075-4617 * |
VOSS, W. ET AL: "Esters of sulfurous acid. IV. Action of sulfurous esters on amino acids", BER. , 70B, 388-92, 1937, XP008052546 * |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007006389A1 (de) * | 2005-07-14 | 2007-01-18 | Merck Patent Gmbh | Mischung von onium-alkylsulfonaten und onium-alkylsulfiten |
WO2007006388A1 (de) * | 2005-07-14 | 2007-01-18 | Merck Patent Gmbh | Verfahren zur herstellung von onium-alkylsulfiten |
US7999111B2 (en) | 2005-07-14 | 2011-08-16 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Process for the preparation of onium alkylsulfonates |
US8669114B2 (en) | 2006-05-17 | 2014-03-11 | Philipps-Universitaet Marburg | Hydrophobic ionic liquids |
FR2912748A1 (fr) * | 2007-02-16 | 2008-08-22 | Centre Nat Rech Scient | Alkyl h-phosphonates de n,n'-dialkylimidazouliums, d'ammoniums quaternaires et leurs utilisations |
WO2008101881A2 (fr) * | 2007-02-16 | 2008-08-28 | Centre National De La Recherche Scientifique (Cnrs) | Alkyl h-phosphonates de n,n'-dialkylimidazoliums, d'ammoniums quaternaires et leurs utilisations |
WO2008101881A3 (fr) * | 2007-02-16 | 2008-10-23 | Centre Nat Rech Scient | Alkyl h-phosphonates de n,n'-dialkylimidazoliums, d'ammoniums quaternaires et leurs utilisations |
US8309736B2 (en) | 2007-02-16 | 2012-11-13 | Centre National De La Recherche Scientifique (Cnrs) | Alkyl H-phosphonates of N,N′-dialkylimidazoliums and of quaternary ammoniums and uses thereof |
US8658808B2 (en) | 2009-05-27 | 2014-02-25 | Sanofi | Process for the production of dronedarone intermediates |
US8674121B2 (en) | 2009-05-27 | 2014-03-18 | Sanofi | Process for the production of benzofurans |
CN103044264A (zh) * | 2012-09-07 | 2013-04-17 | 赵立地 | 一种季铵盐的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101006046A (zh) | 2007-07-25 |
US20080033209A1 (en) | 2008-02-07 |
JP2008510742A (ja) | 2008-04-10 |
KR20070053783A (ko) | 2007-05-25 |
EP1784380A1 (de) | 2007-05-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2006021304A1 (de) | Verfahren zur herstellung quartärer ammoniumverbindungen hoher reinheit | |
EP1786776B1 (de) | Verfahren zur herstellung quartärer ammoniumverbindungen hoher reinheit | |
WO2006021303A1 (de) | Imidazolium-methylsulfite als ausgangsverbindungen zur herstellung ionischer flüssigkeiten | |
EP1651614B1 (de) | Verfahren zur herstellung von gereinigten 1,3-substituierten imidazoliumsalzen | |
WO2006027070A1 (de) | Verfahren zur herstellung heterocyclischer quartärer ammonium-verbindungen und/oder guanidinium-verbindungen hoher reinheit | |
WO2006027069A1 (de) | Verfahren zur herstellung heterocyclischer quartärer ammonium- und/oder guanidinium-verbindungen | |
US20080287684A1 (en) | Method for Producing Ionic Liquids | |
WO2011069929A1 (de) | Verfahren zur isomerisierung eines gesättigten kohlenwasserstoffs | |
EP2509935A1 (de) | Verfahren zur isomerisierung eines gesättigten, verzweigten und zyklischen kohlenwasserstoffs | |
EP2217574B1 (de) | Verfahren zur herstellung ionischer flüssigkeiten durch anionenaustausch | |
EP2794553B1 (de) | Verfahren zur herstellung von n-alkyl(meth)acrylamiden | |
EP3263551A2 (de) | Herstellung von n,n-(di)alkylaminoalkyl(meth)acrylamid bzw. n,n-(di)alkylaminoalkyl(meth)acrylat und deren quarternären ammoniumsalzen als flockungshilfsmittel und gelbildner | |
EP2079705B1 (de) | Verfahren zur herstellung quarternärer carbonate | |
EP2079707A2 (de) | Verfahren zur umsetzung von 1,3-hetero-aromatischen 2-carboxylaten mit wasser | |
DE3028792C2 (de) | ||
DE2335906B2 (de) | Verfahren zur kontinuierlichen herstellung von n-alkylarylaminen | |
DE4411752C1 (de) | Verfahren zur Herstellung von Dimethylaminboran | |
EP1446377B1 (de) | Verfahren zur herstellung von aminen durch olefinaminierung in gegenwart ungesättigter stickstoffverbindungen | |
DE3150929A1 (de) | "verfahren zur herstellung von cytosin" | |
DE2165456C3 (de) | Verfahren zur Herstellung aromatischer Amine | |
DE102007022445A1 (de) | Verfahren zur Herstellung von Aminen | |
DE2711956A1 (de) | Ungesaettigte carbodiimide |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2005768765 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007528655 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200580028437.5 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 11661080 Country of ref document: US Ref document number: 1020077006688 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 2005768765 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 11661080 Country of ref document: US |