WO2005075974A1 - 超臨界流体クロマトグラフィーによって光学異性体を分離する方法 - Google Patents
超臨界流体クロマトグラフィーによって光学異性体を分離する方法 Download PDFInfo
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- WO2005075974A1 WO2005075974A1 PCT/JP2005/001613 JP2005001613W WO2005075974A1 WO 2005075974 A1 WO2005075974 A1 WO 2005075974A1 JP 2005001613 W JP2005001613 W JP 2005001613W WO 2005075974 A1 WO2005075974 A1 WO 2005075974A1
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- separating agent
- optical isomers
- optical isomer
- optical
- supercritical fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
- B01D15/38—Selective adsorption, e.g. chromatography characterised by the separation mechanism involving specific interaction not covered by one or more of groups B01D15/265 - B01D15/36
- B01D15/3833—Chiral chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
- B01D15/40—Selective adsorption, e.g. chromatography characterised by the separation mechanism using supercritical fluid as mobile phase or eluent
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
Definitions
- the present invention relates to a method for separating optical isomers by supercritical fluid chromatography using a column having a separating agent for optical isomers, and in particular, a polysaccharide derivative capable of separating optical isomers
- the present invention relates to a method for separating optical isomers by supercritical fluid chromatography using a column having an optical isomer separating agent having a high ratio of
- chromatography As a method for separating a desired substance in a sample, various types of chromatography are used. As one of such chromatography, supercritical fluid chromatography using a supercritical fluid as a mobile phase is known. Supercritical fluid chromatography uses a supercritical fluid, which is a fluid having various characteristics compared to general solvents, as a mobile phase, and therefore separates various substances such as optical isomers, which have been considered difficult to separate. Its use for analysis, purification, etc. is being considered.
- a separating agent for optical isomers in which a polysaccharide derivative such as a polysaccharide ester derivative or a polysaccharide rubamate derivative that separates optical isomers is supported on a particulate carrier such as silica is filled.
- a technique for separating optical isomers by using the prepared column for batch liquid chromatography is known (for example, see WO 95Z23125 pamphlet).
- an optical isomer discrimination site for example, a polysaccharide derivative or the like
- an optical isomer separating agent it is considered that a large amount is preferable in increasing the productivity of the separated optical isomer. Based on such an idea, it is most preferable to use a separating agent for optical isomers containing as much of the identification site as possible.
- the mobile phase such as an organic solvent or a mixed solvent of water and an organic solvent may cause the optical isomer to be different from the identification site. Is repeatedly attached and detached. In some cases, the optical isomer cannot be moved at a sufficient speed. For this reason, it is difficult to perform good separation, for example, the detected peak becomes broad.
- the present invention relates to a supercritical fluid chromatography using a column having a separating agent for an optical isomer having a polysaccharide derivative capable of separating optical isomers, wherein the separating agent for an optical isomer having a large number of identification sites is used. It is an object of the present invention to provide a technique for separating optical isomers that can perform good separation even when the separation is performed.
- a column comprising an optical isomer-separating agent containing the polysaccharide derivative, wherein the content of the polysaccharide derivative as an identification site is sufficiently high, is defined as a supercritical fluid. Separation of optical isomers by supercritical fluid chromatography using as a mobile phase.
- the present invention provides a method for injecting a sample containing a mixture of optical isomers into a mobile phase, and passing the mobile phase into which the sample has been injected through a column having an optical isomer separating agent for separating optical isomers.
- a mobile phase containing a supercritical fluid is used as a mobile phase, and a polysaccharide derivative that separates optical isomers is used as a separating agent for optical isomers.
- This is a method using an optical isomer separating agent containing 50% by mass or more based on the whole body separating agent (hereinafter simply referred to as “separation method”).
- FIG. 1 is a diagram showing one example of a supercritical fluid chromatography fractionation device used in the present invention.
- FIG. 2 is a chromatogram when trans-stilbenoxide was subjected to optical resolution using column 1 filled with OB beads in supercritical fluid chromatography in Example 1.
- FIG. 3 is a chromatogram when trans-stilbenoxide is subjected to optical separation using a comparative column filled with silica particles carrying an OB polymer in supercritical fluid chromatography in Comparative Example 1. .
- FIG. 4 In Example 2, a column 1 packed with OB beads was used for supercritical fluid chromatography, and 400 g of trans stilbenoxide was injected to perform optical resolution. is there.
- Example 2 a column 1 filled with OB beads was used for supercritical fluid chromatography, and 500 g of trans stilbenoxide was injected to perform optical resolution. is there.
- Example 2 a column 1 packed with OB beads was used for supercritical fluid chromatography, and 700 g of trans stilbenoxide was injected to perform optical resolution. is there.
- FIG. 7 In Comparative Example 2, 400 g of trans stilbenoxide was injected using a comparative column filled with silica particles carrying an OB polymer for supercritical fluid chromatography to perform optical resolution. It is a chromatograph when it is.
- FIG. 8 In Comparative Example 2, optical resolution was performed by injecting 500 g of trans stilbenoxide using a comparative ram filled with silica particles carrying an OB polymer for supercritical fluid chromatography. It is a chromatograph when it is.
- FIG. 9 In Comparative Example 2, optical resolution was performed by injecting 700 g of trans stilbenoxide using a comparative ram packed with silica particles carrying OB polymer in supercritical fluid chromatography. It is a chromatograph when it is.
- a sample containing a mixture of optical isomers is injected into a mobile phase, and the mobile phase into which the sample has been injected is passed through a column having an optical isomer separating agent for separating optical isomers. Then, in the method for separating optical isomers in the sample, a mobile phase containing a supercritical fluid is used as the mobile phase.
- the mobile phase is not particularly limited as long as it contains a supercritical fluid.
- the supercritical fluid in the present invention is a gas under at least one of a pressure exceeding a critical pressure and a temperature exceeding a critical temperature.
- a pressure exceeding a critical pressure and a temperature exceeding a critical temperature.
- the gas carbon dioxide, ammonia, dioxide, hydrogen halide, nitrous oxide, hydrogen sulfide, methane, ethane, propane, butane, ethylene, propylene, halogenated hydrocarbon, water and the like may be used. it can.
- the gas From the viewpoints of flammability, explosiveness, harm to the human body, easiness of handling and economic efficiency, carbon dioxide is preferred.
- examples of the mobile phase include a supercritical fluid or a mixed solvent containing a supercritical fluid and a solvent.
- the solvent mixed with the supercritical fluid include an organic solvent.
- the organic solvent a known organic solvent selected according to the type of the optical isomer to be separated, the type of the separating agent for the optical isomer, or the like is used.
- examples include lower alcohols such as ethanol and 2-propanol.
- the separating agent for optical isomers is used as the separating agent for optical isomers in an amount of 50% by mass or more based on the whole separating agent for optical isomers.
- the separating agent for an optical isomer is composed of the polysaccharide derivative alone or a carrier and a polysaccharide derivative supported on the carrier.
- the polysaccharide derivative is not particularly limited as long as it is a polysaccharide derivative that can be used for separating optical isomers.
- a polysaccharide derivative contains, for example, an optically active polysaccharide as a skeleton, and at least a part of a hydroxyl group and an amino group of the polysaccharide is substituted with a functional group acting on an optical isomer in a sample.
- polysaccharide derivatives for example, an optically active polysaccharide as a skeleton, and at least a part of a hydroxyl group and an amino group of the polysaccharide is substituted with a functional group acting on an optical isomer in a sample.
- the polysaccharide may be a synthetic polysaccharide, a natural polysaccharide or a natural product-modified polysaccharide, regardless of whether it is an optically active polysaccharide. ⁇ is preferred, and a chain is preferred.
- 13-1,4-glucan cellulose
- ⁇ 1,4-glucan amylose, amylopectin
- ⁇ -1,6-gnolecan dextran
- ⁇ -1,6-gnolecan Busulan
- ⁇ -1,3-glucan for example, curdlan, schizophyllan, etc.
- ⁇ -1,3-gunolecan ⁇ -1,2-glucan (Crown Gall polysaccharide), ⁇ -1,4-galatatan, ⁇ -1 , 4 mannan, 6—mannan, j8—1,2—fructan (inulin), ⁇ -2,6-fructan (levan), ⁇ -1,4-xylan, ⁇ -1,3-xylan, ⁇ -1, 4 Chitosan, 4- ⁇ -acetyl-chitosan (chitin), pullulan, agarose, alginic acid, etc., including starch containing amylose.
- cellulose, amylose, ⁇ -1,4-xylan, ⁇ -1,4 chitosan, chitin, ⁇ -1,4 mannan, inulin, curdlan, etc. from which high-purity polysaccharides can be easily obtained
- cellulose and amylose from which high-purity polysaccharides can be easily obtained
- the polysaccharide has a number average degree of polymerization (average number of viranose or furanose rings contained in one molecule) of 5 or more, preferably 10 or more. There is no particular upper limit, but it is preferably 1,000 or less. It is preferable from the viewpoint of easy handling during the production of the separating agent.
- the functional group is a functional group that acts on an optical isomer to be separated in the sample.
- the effect of the functional group on the optical isomer cannot be unconditionally determined because the type of the functional group differs depending on the type of the optical isomer to be separated, but it is not sufficient to carry out the optical resolution of the optical isomer with a polysaccharide derivative. It is not particularly limited as long as it has a certain degree of effect.
- Such effects include, for example, hydrogen bonding between the optical isomer and the functional group, affinity interaction such as ⁇ - ⁇ interaction, dipole-dipole interaction, and non-interaction such as steric hindrance. Affinity interactions.
- the orientation of the optical isomer is adjusted without disturbing the approach of at least one optical isomer to the polysaccharide derivative, or the polysaccharide derivative is It is thought that its own higher-order structure can be arranged in an advantageous shape for asymmetric identification.
- the functional group is selected according to the type of the optical isomer to be separated.
- the functional group include a group which is bonded to a polysaccharide via an ester bond, a urethane bond, or an ether bond and contains an aromatic group which may have a substituent.
- the aromatic group contains a heterocyclic ring or a condensed ring.
- the substituent which the aromatic group may have include an alkyl group having up to about 8 carbon atoms, a halogen, an amino group, an alkoxyl group and the like.
- the degree of substitution of the functional group and the arrangement of the functional group in the polysaccharide derivative are not particularly limited, and are appropriately selected according to the type of the functional group, the type of the polysaccharide, and the like.
- the polysaccharide derivative can be produced by a known method.
- the polysaccharide derivative is, for example, a compound capable of reacting with a hydroxyl group or an amino group of the polysaccharide, and a compound containing the functional group or becoming the functional group by a reaction with the hydroxyl group or the amino group; Can be produced by reacting the above with a dehydration reaction.
- the polysaccharide derivative may be an ester derivative of a polysaccharide or a dibamate derivative of a polysaccharide as described in, for example, WO 95Z23125 pamphlet and the like. Particularly preferred. More specifically, the multiple Examples of the sugar derivative include a polysaccharide derivative having an amylose skeleton, cellulose tris benzoate, cellulose tris (phenylcarbamate), and cellulose tris (3,5-dimethylphenylcarbamate).
- the separating agent for optical isomers in which only the polysaccharide derivative is powerful that is, the separating agent for optical isomers in which the content of the polysaccharide derivative is 100% by mass is formed using the polysaccharide derivative as a constituent unit.
- the separating agent for optical isomers comprising only the polysaccharide derivative is formed from a compound such as a polymer in which the polysaccharide derivatives are chemically bonded directly or via another appropriate substance.
- the compound can be produced by a known esterification reaction or the like.
- the separating agent for optical isomers, which is effective only for the polysaccharide derivative may be in any form as long as it is housed in a column. Examples of the form used in the present invention include a form of particles, and a form of a porous integrally molded article integrally forming a stationary phase when housed in a column tube.
- the particle diameter is preferably from 1 to 100 m, more preferably from 1 to 75 m. More preferably, it is more preferably 1 to 30 ⁇ m.
- the separating agent for optical isomers consisting solely of the polysaccharide derivative can be produced by a known method.
- the compound is dissolved in a solvent, and the obtained solution of the compound is dissolved in an insoluble solvent, such as water, in which the compound is not dissolved.
- an insoluble solvent such as water
- the integrally molded article can be manufactured by forming a porous body having a predetermined shape using the compound. Examples of such a production method include a method in which the insoluble solvent is dispersed in a solution of the compound, or the solvent is distilled off or replaced while bubbles are dispersed.
- the carrier supports the polysaccharide derivative, and
- the stationary phase can be formed in the column.
- examples of such carriers include known inorganic and organic carriers used in chromatography. Can be used.
- the carrier is more preferably a porous body from the viewpoint of increasing the separation efficiency of the optical isomer.
- Examples of the carrier include porous organic carriers such as polystyrene, polyacrylamide, polyatalylate, and derivatives thereof; silica, alumina, magnesia, glass, kaolin, titanium oxide, silicate, and hydroxyapatite. And other porous inorganic carriers; and the like.
- polysaccharide derivative described above is used as the polysaccharide derivative in the supported type separating agent.
- the polysaccharide derivative is supported on the carrier by chemisorption or physical adsorption between the polysaccharide derivative and the carrier, chemical bonding between the polysaccharide derivative and the carrier, directly or via another compound, or the like.
- the support of the polysaccharide derivative on the carrier can be performed by immersing the carrier in a solution containing the polysaccharide derivative and, if necessary, another compound, reacting the other compound as necessary, and evaporating the solvent in the solution, or It can be performed by a known method such as replacing the solvent in the solution with another solvent.
- the supported separating agent a supported separating agent having a polysaccharide derivative supported amount of 50% by mass or more based on the whole supported separating agent is used. If the supported amount is less than 50% by mass, sufficient productivity of the optical isomer may not be obtained. From the viewpoint of further increasing the productivity of optical isomers, the loading amount is more preferably 60% by mass or more, more preferably 80% by mass or more.
- the loading amount of the polysaccharide derivative is adjusted by further bonding the polysaccharide derivative to the polysaccharide derivative supported on the carrier by chemical adsorption or chemical bonding directly or via another compound. Can be.
- the amount of the polysaccharide derivative to be carried is determined by mass spectrometry; measuring the layer thickness of the polysaccharide derivative carried on the carrier by observing the cross section of the carrier-type separating agent; elemental analysis of an element specific to the polysaccharide derivative or the carrier; Etc.
- the separation method of the present invention can be carried out in the same manner as ordinary supercritical fluid chromatography, except that a column having the above-mentioned separating agent for optical isomers is used.
- the filling and storage of the optical isomer separating agent into the column tube can be performed in the same manner as a known separating agent depending on the form of the optical isomer separating agent.
- the supercritical fluid chromatographic separation apparatus cools a high-pressure carbon dioxide filled cylinder 1 as a gas supply means and a high-pressure carbon dioxide.
- the heat exchange 2 for liquid shaking, the pump 3 for sending the liquid shading gas of carbon dioxide generated by the heat shaping 2, and the solvent tank 4 for the liquid shading gas sent by the pump 3 A pump 5 for supplying a solvent supplied from the reactor, heat exchange 6 for heating a mixed solvent of the liquefied gas and the solvent to make the liquefied gas a supercritical fluid, and a generated supercritical fluid.
- An injection device 7 for injecting a sample containing a mixture of optical isomers into a mobile phase that is a mixture of the solvent and the solvent, and a column 8 for separating the optical isomers in the injected sample.
- a detector 9 that detects the optical isomers in the mobile phase through the column 8, and a detector 9
- a back pressure valve 10 which is a pressure regulator for maintaining the pressure in the system at a predetermined pressure at a pressure, a plurality of gas / liquid separation devices 11 for gas / liquid separation of a mobile phase passing through the back pressure valve 10, and It has a tank 12 for storing the separated liquid, a gas power for gas-liquid separation, a purifier 13 for removing the liquid, and a tank 14 for storing the liquid whose gas power has also been removed by the purifier 13. .
- the cylinder 1, the heat exchanger 2, the pump 3, the heat exchanger 6, the injection device 7, the column 8, the detector 9, and the back pressure valve 10 are connected in series by a pipe.
- the gas-liquid separation device 11 is connected to the back pressure valve 10 and the purification device 13 by pipes in parallel.
- the solvent tank 4 and the pump 5 are connected by a pipe, and the pump 5 is connected by a pipe to a pipe connecting the pump 3 and the heat exchange 6.
- Each gas-liquid separation device 11 and each tank 12, and each of the purification devices 13 and 14 are also connected by pipes.
- a pressure regulating valve 16 for releasing carbon dioxide from the cylinder 1 at a predetermined pressure is provided between the heat exchange 2 and the pump 3, a buffer tank 18 for receiving the liquid gas generated in the heat exchange 2 is provided. Further, the column 8 is housed in a column oven 19 for adjusting the inside of the column 8 to a predetermined temperature.
- a valve 20 corresponding to each gas-liquid separation device 11 is provided so that the supply destination of the mobile phase from the back pressure valve 10 can be selected. It is provided.
- a check valve 21 is provided between each gas-liquid separation device 11 and the purification device 13 to prevent gas from flowing back from the purification device 13 side to each gas-liquid separation device 11. 11 is provided.
- the pumps 3 and 5 are pumps capable of quantitatively sending liquid.
- Column 8 is a column packed with the separating agent for optical isomers composed of the polysaccharide derivative or the supported separating agent.
- the back pressure valve 10 is a valve that maintains the pressure of the system on the column 8 side of the back pressure valve 10, that is, from the pumps 3 and 5 to the back pressure valve 10 (primary side of the back pressure valve 10) at a constant pressure (for example, 20 MPa). .
- the supercritical fluid chromatographing apparatus further includes a control device for further controlling the opening and closing of the valve 20 according to the detection result of the detector 9.
- the supercritical fluid chromatographic fractionation apparatus also includes valves such as valves, check valves, and safety valves, various detection means such as a pressure gauge, a thermometer, and a flow meter, and a heater.
- valves such as valves, check valves, and safety valves
- various detection means such as a pressure gauge, a thermometer, and a flow meter
- Peripheral equipment such as a boiler, a bincher, and an accumulator, are provided in place.
- the carbon dioxide is supplied to the heat exchanger 2 from the cylinder 1 at a predetermined pressure (for example, 4 MPa).
- a predetermined pressure for example, 4 MPa.
- the carbon dioxide is cooled in the heat exchange 2 and liquefied.
- the liquefied gas of carbon dioxide generated in heat exchange 2 is accommodated in a buffer tank 18 and supplied to heat exchange 6 by pump 3.
- An organic solvent such as lower alcohol sent from a solvent tank 4 by a pump 5 is supplied to the liquid gas supplied to the heat exchange 6, and the liquefied gas and the organic solvent are mixed.
- the mixed solvent is supplied to the heat exchanger 6.
- the mixed solvent is heated, and the liquefied gas in the mixed solvent becomes a supercritical fluid. Further, the mobile phase formed by mixing the supercritical fluid and the solvent is adjusted to the temperature of the column 8 (for example, 40 ° C.) set in the column oven 19. A mixed solution of optical isomers is injected as a sample from the injection device 7 into the mobile phase whose temperature has been adjusted.
- the optical isomer in the mobile phase that has passed through the column 8 is detected by the detector 9.
- the mobile phase that has passed through the detector 9 is sent to the back pressure valve 10. With passage through the back pressure valve 10, the pressure of the mobile phase decreases.
- the control device opens a predetermined valve 20 according to the detection result of the detector 9 and closes the other valves 20. Therefore, the mobile phase that has passed through the back pressure valve 10 is supplied to a predetermined gas-liquid separation device 11.
- the gas-liquid separation device 11 the supplied mobile phase is subjected to gas-liquid separation to constitute a supercritical fluid.
- An organic solvent containing an isomer is contained in the tank 12 as a liquid phase.
- the optical isomer is taken out by decompressing the organic solvent contained in the tank 12 or further concentrating it under reduced pressure.
- the gas of carbon dioxide released from the mobile phase is sent to the purification device 13.
- the supplied carbon dioxide gas is subjected to gas-liquid separation. Thereby, the carbon dioxide and a small amount of the organic solvent in the carbon dioxide are separated.
- the carbon dioxide gas is released into the outside air, for example, and the separated organic solvent is stored in the tank 14.
- valve 20 is opened and closed appropriately according to the detection result of the detector 9, and the optical isomer in the sample is separated.
- the reverse flow of gas from the purifier 13 to the gas-liquid separator 11 and the flow of gas from one gas-liquid separator 11 to the other gas-liquid separator 11 are prevented by the check valve 21.
- OB polymer 10 g of cellulose trisbenzoate polymer
- a B polymer solution was obtained.
- an aqueous solution was prepared by dissolving 2.5 g of sodium dodecylbenzenesulfonate (Tokyo Chemical) in 1000 ml of purified water.
- the OB polymer solution was added dropwise to the aqueous solution over 4.6 hours while maintaining the aqueous solution at 15 ° C. and stirring at 500 rpm (drip rate: 2 ml Zmin).
- the temperature of the aqueous solution was kept at 40 ° C while stirring at the same speed, and methylene chloride was distilled off by flowing a nitrogen gas. Thereafter, the mixture was allowed to stand, and particles of the OB polymer were obtained in the aqueous solution.
- Classification 3 was poured into ethanol, and after stirring, allowed to stand for 30 minutes, and the supernatant was decanted off. This operation was repeated several times, and the mixture was filtered through a G4 glass filter to obtain a separating agent 1 for optical isomers.
- OC polymer cellulose tris (phenol carbamate) polymer
- an aqueous solution was prepared by dissolving 5. Og of sodium dodecylbenzenesulfonate (Tokyo Chemical) in 1000 ml of purified water. While maintaining this aqueous solution at 15 ° C. and stirring at 500 rpm, the OC polymer solution was dropped into the aqueous solution over 4.7 hours (dropping rate: 2 ml Zmin).
- Tokyo Chemical sodium dodecylbenzenesulfonate
- the temperature of the aqueous solution was maintained at 40 ° C. while stirring at the same speed, and nitrogen gas was flowed to distill off methylene chloride. Thereafter, the mixture was allowed to stand, and thus the aqueous solution was obtained with particles of the OC polymer.
- the obtained OC polymer particles were poured into about 100 ml of purified water, allowed to stand, and the supernatant was decanted. This operation was repeated several times.
- the particles of the OC polymer were classified through a mesh of No. 2 to obtain a separating agent 2 for optical isomers (classification 3). The classification results are shown below.
- cellulose tris (3,5-phenylcarbamate) polymer (hereinafter also referred to as “OD polymer”) is dissolved in a mixed solvent of 500 ml of methylene chloride and 60 ml of acetone.
- an aqueous solution was prepared by dissolving 1. Og of sodium dodecylbenzenesulfonate (Tokyo Chemical) in 1000 ml of purified water. The OD polymer solution was added dropwise to the aqueous solution over 5.0 hours while keeping the aqueous solution at 15 ° C and stirring at 500 rpm (dropping rate: 2 ml / min).
- the temperature of the aqueous solution was maintained at 40 ° C while stirring at the same speed, and nitrogen gas was flowed to distill off methylene chloride. Thereafter, the mixture was allowed to stand, and the supernatant was removed by decanting. About 50 ml of purified water was collected and allowed to stand, and the supernatant was decanted. This operation was repeated several times.
- OD polymer particles precipitated in purified water are collected by filtration through a G4 glass filter, washed with 300 ml of water, then with ethanol, sufficiently pulled with an aspirator, and dried in vacuum (80 ° C,> 3 ° C). OD polymer particles were obtained (yield: 4.38 g, yield: 44%).
- the particles of the OD polymer were classified through a mesh of No. 3 to obtain an optical isomer separating agent 3 (Classification 2). The classification results are shown below.
- the optical isomers were separated using supercritical fluid chromatography.
- a trans-stilbenoxide methanol solution was used as a separation sample, and trans-stilbenoxide was optically resolved under the following separation conditions.
- Fig. 2 shows the chromatogram obtained by this optical resolution.
- the injection amount is the mass of the mixture of optical isomers of trans stilbenoxide in the separated sample.
- Trans-stilbenoxide was prepared in the same manner as in Example 1 except that a comparative column packed with a supported optical isomer separating agent having silica particles as a carrier and an OB polymer supported on the silica particles was used.
- the supported type optical isomer separating agent was produced based on a known method in which silica particles were immersed in an OB polymer solution and then dried.
- the content of the OB polymer in the supported optical isomer separating agent was 20% by mass.
- Fig. 3 shows the chromatograph obtained by this optical resolution.
- Optical resolution of trans stilbenoxide was performed under the same conditions as in Example 1 except that the detection wavelength was changed to 254 nm and the injection amounts were further changed to 400 g, 500 g, and 700 g. Chromatographs obtained by this optical resolution are shown in FIGS.
- trans stilbene was used for supercritical fluid chromatography with a comparative column packed with a supported optical isomer separating agent in which OB polymer was supported on silica particles.
- the shape of the detected peak was disturbed when 500 g of the mixture was injected, and the detected peak was more disturbed when 700 g of the mixture was injected.
- optical resolution by supercritical fluid chromatography using a column filled with beads of a polysaccharide derivative is carried out by packing a conventional supported type separating agent for optical isomers.
- a larger amount of optical isomers can be separated at a time as compared with the optical resolution by supercritical fluid chromatography using a column composed of.
- the injection amount (load) of a mixture of optical isomers as a raw material can be increased at one time, and the optical isomers can be produced with higher productivity. Can be manufactured.
- the mobile phase contains a supercritical fluid.
- Supercritical fluids have a density close to that of liquids and a diffusion coefficient close to that of gases, which is about 100 times that of liquids. Therefore, the mobile phase containing supercritical fluid.
- the movement of the optical isomer between the separating agents for optical isomers can be sufficiently accelerated as compared with the mobile phase in the conventional high performance liquid chromatography. Therefore, even if a separating agent for optical isomers having a large number of identification sites, that is, a content of the polysaccharide derivative of 50% by mass or more, is used, good separation of optical isomers can be performed.
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JP2005517732A JPWO2005075974A1 (ja) | 2004-02-03 | 2005-02-03 | 超臨界流体クロマトグラフィーによって光学異性体を分離する方法 |
EP05709706A EP1712905A4 (en) | 2004-02-03 | 2005-02-03 | METHOD FOR SEPARATING OPTICAL ISOMERS USING SUPERCRITICAL FLUID CHROMATOGRAPHY |
US11/494,644 US20060266709A1 (en) | 2004-02-03 | 2006-07-28 | Method of separating optical isomers through supercritical fluid chromatography |
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JP5709358B2 (ja) * | 2009-04-02 | 2015-04-30 | 株式会社ダイセル | 超臨界流体クロマトグラフィーを用いた物質の製造方法 |
CN103382185B (zh) * | 2013-07-02 | 2016-02-24 | 常州大学 | 6,12-二苯基二苯并[b,f][1,5]二氮杂环辛四烯的手性制备及构型确定 |
JP6469958B2 (ja) * | 2014-03-17 | 2019-02-13 | 株式会社島津製作所 | トリアシルグリセロールの分離方法 |
KR102551952B1 (ko) * | 2016-06-16 | 2023-07-06 | (주)아모레퍼시픽 | 자외선 차단 성분의 동시분석법 |
CN112479977B (zh) * | 2016-09-27 | 2022-07-19 | 深圳微芯生物科技股份有限公司 | 一种取代的苯基丙酸化合物对映异构体及其制备方法、组合物和应用 |
CN108948123B (zh) * | 2017-05-17 | 2021-06-25 | 上海医药工业研究院 | 羟基积雪草酸类化合物的分离方法 |
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JPS60142930A (ja) * | 1983-12-28 | 1985-07-29 | Daicel Chem Ind Ltd | 分離剤 |
JPS60226832A (ja) * | 1984-04-02 | 1985-11-12 | Daicel Chem Ind Ltd | 多糖の脂肪族エステルを含む分離剤 |
WO1999047531A1 (en) * | 1998-03-16 | 1999-09-23 | Chiral Technologies, Inc. | Chiral separations of pyrimidines |
FR2810978B1 (fr) * | 2000-06-29 | 2004-05-28 | Chiralsep Sarl | Procede de dedoublement de l'intermediaire tetralone de la sertraline |
US7399409B2 (en) * | 2000-10-13 | 2008-07-15 | Daicel Chemical Industries, Ltd. | Packing material for separation of optical isomer and method of separating optical isomer with the same |
EP1405668B1 (en) * | 2001-07-06 | 2011-01-26 | Daicel Chemical Industries, Ltd. | Novel separation agent for separating optical isomer and method for preparation thereof |
FR2834227A1 (fr) * | 2001-12-27 | 2003-07-04 | Chiralsep Sarl | Materiaux supports optiquement actifs, leur procede de preparation et leurs utilisations |
JP2004003935A (ja) * | 2002-04-12 | 2004-01-08 | Daicel Chem Ind Ltd | 擬似移動床式クロマトグラフィー用光学異性体分離用充填剤 |
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2005
- 2005-02-03 WO PCT/JP2005/001613 patent/WO2005075974A1/ja active Application Filing
- 2005-02-03 KR KR1020067017796A patent/KR20060132711A/ko not_active Application Discontinuation
- 2005-02-03 JP JP2005517732A patent/JPWO2005075974A1/ja active Pending
- 2005-02-03 CN CNA2005800038667A patent/CN1914505A/zh active Pending
- 2005-02-03 EP EP05709706A patent/EP1712905A4/en not_active Withdrawn
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2006
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JPH0551327A (ja) * | 1991-08-23 | 1993-03-02 | Daicel Chem Ind Ltd | 多糖誘導体による光学分割法 |
JPH0632787A (ja) * | 1992-05-14 | 1994-02-08 | Orion Yhtymae Oy | プロピオン酸誘導体の製造法 |
JPH06170111A (ja) * | 1992-12-09 | 1994-06-21 | Daicel Chem Ind Ltd | 擬似移動床クロマト分離法 |
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JP2018189449A (ja) * | 2017-04-28 | 2018-11-29 | 株式会社島津製作所 | 分離方法および分析方法 |
Also Published As
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EP1712905A4 (en) | 2008-04-09 |
US20060266709A1 (en) | 2006-11-30 |
KR20060132711A (ko) | 2006-12-21 |
CN1914505A (zh) | 2007-02-14 |
JPWO2005075974A1 (ja) | 2007-10-11 |
EP1712905A1 (en) | 2006-10-18 |
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