WO2004003099A1 - キレート剤 - Google Patents
キレート剤 Download PDFInfo
- Publication number
- WO2004003099A1 WO2004003099A1 PCT/JP2003/008059 JP0308059W WO2004003099A1 WO 2004003099 A1 WO2004003099 A1 WO 2004003099A1 JP 0308059 W JP0308059 W JP 0308059W WO 2004003099 A1 WO2004003099 A1 WO 2004003099A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- represent
- acid
- water
- solution
- carbon atoms
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
- C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C233/45—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups
- C07C233/46—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom
- C07C233/47—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom having the carbon atom of the carboxamide group bound to a hydrogen atom or to a carbon atom of an acyclic saturated carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/683—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of complex-forming compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
Definitions
- the present invention relates to a novel chelating agent. More specifically, the present invention relates to a novel amphiphilic chelating agent useful as a water treatment agent, a metal collecting agent, a photographic agent, a dyeing agent, a detergent, a metal supplement for agricultural use, and the like.
- a novel amphiphilic chelating agent useful as a water treatment agent, a metal collecting agent, a photographic agent, a dyeing agent, a detergent, a metal supplement for agricultural use, and the like.
- the chelating Bok resin in a high content Kokusari, New alpha, New "- two is a compound obtained by introducing a partial structure having a chelating Bokuno such as acetic acid, since it is essentially insoluble in water or an organic solvent, metal It is not possible to use other methods such as adsorption and desorption or incineration after adsorption, but also to dissolve and recover as a complex soluble in organic solvents. Since it is essentially non-biodegradable, it is impossible to decompose it microbially, so there is no other way to dispose of it than incineration, and the generation of harmful substances at that time may cause environmental damage. The effects cannot be ignored.
- Amino acid number of atoms constituting have 6 or more hydrophobic side chains ⁇ ⁇ , ⁇ ⁇ - diacetic acid type derivative conductor has both a strong chelating Bokuryoku amphiphilic, water treatment agent, photographic agents, stain It is useful as an agent, cleaning agent, metal supplement for agricultural use, etc., and it is considered that the above problem can be solved if used as a metal recovery agent.
- amphiphilic chelating agents disclosed therein are prepared by converting a long-chain ⁇ -lefin into a long-chain aldehyde by hydroformylation (a loxo-reaction) and then using a commonly used method such as a Strecker reaction. It can be obtained by converting to an amino acid having a long-chain alkyl group in the side chain and then reacting it with ⁇ -octogenoacetic acid or by reacting hydrogen cyanide with formaldehyde and then hydrolyzing it. .
- these devices require special equipment and their operation is complicated.
- all of the compounds obtained by this method are DL-forms having poor biodegradability. In order to obtain L-form compounds which can be expected to have higher biodegradability, complicated operations such as optical resolution are required. Required.
- the present invention has been made in view of the above points, and is useful as a water treatment agent, a metal recovery agent, a photographic agent, a dyeing agent, a detergent, an agricultural metal supplement, and the like, and can be manufactured by a simple method.
- An object of the present invention is to provide a novel amphiphilic chelating agent which can be expected to have high biodegradability.
- the present invention relates to a novel chelating agent represented by the general formula (I).
- R represents an alkyl group, alkenyl group, cycloalkyl group, or aryl group having 1 to 24 carbon atoms
- n represents an integer of 1 to 6, provided that n and R represent the number of carbon atoms constituting R
- M 1 M 2 and M 3 each represent a hydrogen ion or a metal ion
- M 1 M 2 and M 3 represent two or three of which are divalent or It can also represent a trivalent metal ion.
- R represents an alkyl group, alkenyl group, cycloalkyl group, or aryl group having 1 to 24 carbon atoms
- n represents an integer of 1 to 6, provided that n and R represent the number of carbon atoms constituting R.
- N / M 2 and M 3 represent a hydrogen ion or a metal ion, respectively.
- M 1 M 2 and M 3 represent two or three of which are divalent or Can also represent a trivalent metal ion.
- alkyl group represented by R examples include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tertiary butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, pendecyl, dodecyl, tridecyl, tetradecyl.
- groups such as pentadecyl, pendecyl, hexadecyl, hepdecyldecyl, kutadecyl, nonadecyl, icosyl, henicyl, docosyl, tricosyl, tetracosyl and the like.
- alkenyl group represented by R examples include ethenyl, probenyl, butenyl, pentenyl, hexenyl, heptenyl, cytenyl, nonenyl, decenyl, pendenyl, dodecenyl, tridecenyl, tetradecenyl, pentadecenyl, and hexadecenyl.
- Examples of the cycloalkyl group represented by R include groups such as cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, cyclononyl, and cyclodecyl.
- Examples of the aryl group represented by R include groups such as phenyl, naphthyl, anthryl, and phenanthryl.
- Examples of the amino acid used in the present invention include 2,3-diaminopropionic acid, 2,4-diaminobutyric acid, orditin, lysine, and 2,7-diaminoheptanoic acid. Ditin, particularly preferably L-lysine and L-ordinin.
- amino acids are first converted into N-amino acids and then reacted with ⁇ -octaenogenoacetic acid or a derivative thereof, or reacted with hydrogen cyanide and formaldehyde, and then hydrolyzed.
- the desired chelating agent can be obtained.
- An acylamino acid can be produced by a so-called Schotten-Baumann reaction in which an amino acid is converted into a copper salt by a known method and then reacted with a carboxylic acid chloride in a solvent such as water in the presence of an alkali.
- a carboxylic acid chloride in a solvent such as water in the presence of an alkali.
- it can also be obtained by converting an amino acid into a salt with a carboxylic acid, followed by dehydration condensation by heating or the like.
- commercially available compounds can also be used.
- a solvent such as water or alcohol is used for the reaction with monohalogenacetic acid or a derivative thereof.
- the reaction temperature is from 0 ° C to 120 ° C, preferably from 20 ° C to 100 ° C.
- the reaction time is optional as long as the reaction is completed.
- the halogenoacetic acid or a derivative thereof is used in an amount of 2 to 4 moles, preferably 2 to 3 moles, per mole of the acylamino acid.
- a base such as caustic alkali, alkali carbonate or tertiary amine is added in an equimolar amount or more with ⁇ -octylogenoacetic acid or a derivative thereof, even if all are added at the start of the reaction. Good, but it may be added sequentially according to the generation of hydrogen halide.
- N ⁇ —Lauroyl-L-Lysine (Ajinomoto Co., Inc., trade name Amihope LL) 3.29 g (10 mmO of 10 mM sodium hydroxide dissolved in 10 ml of 1N sodium hydroxide, chloroacetic acid 2.8 A solution of 4 g (30 mmol) in 1N sodium hydroxide (30 ml) was added, and then the temperature of the reaction solution was raised to 75 ° C in an oil bath, followed by 1N hydroxylation. Na The mixture was stirred for 8 hours while maintaining the pH at 10.5 to 11.0 by successively adding thorium.
- the residue was dissolved in water to which a few drops of 5N sodium hydroxide had been added, diluted accurately, and the copper concentration was measured.
- the other was concentrated to dryness, dissolved in water and diluted accurately, and the copper concentration was measured, and the same amount (43.5 mI) of n-butanol was added to the other.
- the aqueous and organic phases were separated again, and the organic phase was concentrated to dryness.
- the solution was dissolved in water containing one drop of tritium, diluted accurately, and the copper concentration was measured.
- the aqueous phase was concentrated to dryness, then dissolved by adding water and diluted accurately, and the copper concentration was measured.
- the copper concentration of each sample was 49.09.96 ppm in the stock solution, 29.87.2 ppm in the aqueous phase after one extraction, and 0.569.8 ppm in the aqueous phase after two extractions. there were. That is, 99.9% of copper was extracted by two operations, and this experiment confirmed the usefulness of the amphiphilic chelating agent of the present invention.
- Example 1 epsilon - Rauroiru L- lysine one N ⁇ , ⁇ ⁇ - 2 acetate 2. was dissolved in 2 3 g (5 mm 0 I ) of 1N sodium hydroxide 1 5 ml, further purified water in addition by setting the 2 5 m I total volume, New epsilon - Rauroiru and one lysine one ⁇ ⁇ , ⁇ ⁇ - was prepared 2 acetate trisodium 2 0 mm ol / d I solution. A solution obtained by dissolving 26.4 mg of iron trichloride hexahydrate in pure water to obtain 100 mI was divided into 95 mI and 5 mI.
- the aqueous phase and the organic phase are separated, the organic phase is concentrated to dryness, and the residue is dissolved in water (1 O 0 mI) to which a few drops of 5N sodium hydroxide have been added. After separation with a station, the residue was accurately diluted in water to which a few drops of 6N hydrochloric acid had been added, and the iron concentration was measured.
- the aqueous phase (87. O m I) was exactly divided into two equal parts, one was concentrated to dryness, dissolved by adding water, diluted accurately, and the iron concentration was measured. To the other, the same amount (43.5 ml) of n-butanol was added for extraction. The aqueous phase and the organic phase were separated again, and the organic phase was concentrated to dryness. The residue was dissolved in water to which one drop of 5N sodium hydroxide was added, diluted accurately, and the iron concentration was measured. The aqueous phase was concentrated to dryness, dissolved by adding water and diluted accurately, and the iron concentration was measured.
- the iron concentration of each sample was 45.3 ppm for the stock solution, 39.6 ppm for the aqueous phase after one extraction, and 1 ppm or less for the aqueous phase after two extractions. That is, more than 99.7% of the iron was extracted in two operations, and this experiment showed that the amphiphilic chelating agent of the present invention was useful. Was confirmed.
- Example 1 N epsilon was produced in - lauroyl _ L-lysine one N alpha, New "- 2 acetate 2. was dissolved in 2 3 g (5 mm 0 I ) a 1 5 ml 1 N sodium hydroxide, further purified water with the 2 5 m I total amount added, N epsilon - lauroyl one L- lysine one ⁇ ⁇ , ⁇ ⁇ -. 2 acetate trisodium 2 Omm ⁇ I / 6 I solution was prepared calcium chloride dihydrate The solution **** was dissolved in pure water to make 100 ml, and the solution was divided into 95 ml and 5 ml.
- the aqueous phase and the organic phase were separated, the organic phase was concentrated to dryness, and the residue was dissolved in water to which a few drops of 5N sodium hydroxide had been added, accurately diluted, and the calcium concentration was measured.
- the aqueous phase (87.0 ml) was exactly divided into two equal parts, and one was concentrated to dryness, then dissolved by adding water and accurately diluted, and the calcium concentration was measured. To the other, the same amount (43.5 ml) of n-butanol was added and extraction was performed.
- the aqueous phase and the organic phase are separated again, and the organic phase is concentrated to dryness, and the residue is dissolved in water to which 1 drop of 5N sodium hydroxide is added, diluted accurately, and the calcium concentration is adjusted to 3 ⁇ 4ij Specified.
- the aqueous phase was concentrated to dryness, dissolved by adding water, diluted accurately, and the calcium concentration was measured.
- the concentration of calcium in each sample was 31.4 ppm for the stock solution and 1 for the aqueous phase after one extraction.
- Test Example 1 Test Example 2 Test Example 3
- the novel chelating agent represented by the general formula (I) of the present invention it becomes possible to dissolve a metal as a soluble complex in an organic solvent, which was impossible with a chelating resin.
- heavy metals can be recovered from the aqueous phase by solvent extraction, or trace essential metals can be solubilized and sprayed with the solution to supply trace essential metals to agricultural products.
- novel chelating agent represented by the general formula (I) of the present invention is a kind of amino acid having a hydrophobic group in a side chain, and therefore becomes very poorly soluble in water near the isoelectric point. Utilizing this property, after complexing a metal in a solution, the pH can be adjusted to near the isoelectric point to precipitate and recover the metal as a complex.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Detergent Compositions (AREA)
- Removal Of Specific Substances (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003244064A AU2003244064A1 (en) | 2002-06-27 | 2003-06-25 | Chelating agents |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002187720A JP2006022123A (ja) | 2002-06-27 | 2002-06-27 | キレート剤 |
JP2002-187720 | 2002-06-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004003099A1 true WO2004003099A1 (ja) | 2004-01-08 |
Family
ID=29996798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/008059 WO2004003099A1 (ja) | 2002-06-27 | 2003-06-25 | キレート剤 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2006022123A (ja) |
AU (1) | AU2003244064A1 (ja) |
WO (1) | WO2004003099A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0717141A2 (de) * | 1994-12-14 | 1996-06-19 | Basf Aktiengesellschaft | Verwendung von Glycin-N,N-diessigsäure-Derivaten als biologisch abbaubare Komplexbildner für Erdalkali- und Schwermetallionen in Färbebädern und Färbenachbehandlungsbädern in der Textilindustrie |
WO1999066780A2 (en) * | 1998-06-25 | 1999-12-29 | Smithkline Beecham Plc | Cinoxacin lanthanide chelates and their use as biomolecular probes |
WO2000001661A2 (de) * | 1998-07-03 | 2000-01-13 | Basf Aktiengesellschaft | Glycin-n,n-carbonsäure-derivate mit carbonylgruppenhaltiger seitenkette, ihre herstellung sowie ihre verwendung in wasch- und reinigungsmitteln |
-
2002
- 2002-06-27 JP JP2002187720A patent/JP2006022123A/ja active Pending
-
2003
- 2003-06-25 WO PCT/JP2003/008059 patent/WO2004003099A1/ja active Application Filing
- 2003-06-25 AU AU2003244064A patent/AU2003244064A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0717141A2 (de) * | 1994-12-14 | 1996-06-19 | Basf Aktiengesellschaft | Verwendung von Glycin-N,N-diessigsäure-Derivaten als biologisch abbaubare Komplexbildner für Erdalkali- und Schwermetallionen in Färbebädern und Färbenachbehandlungsbädern in der Textilindustrie |
WO1999066780A2 (en) * | 1998-06-25 | 1999-12-29 | Smithkline Beecham Plc | Cinoxacin lanthanide chelates and their use as biomolecular probes |
WO2000001661A2 (de) * | 1998-07-03 | 2000-01-13 | Basf Aktiengesellschaft | Glycin-n,n-carbonsäure-derivate mit carbonylgruppenhaltiger seitenkette, ihre herstellung sowie ihre verwendung in wasch- und reinigungsmitteln |
Also Published As
Publication number | Publication date |
---|---|
AU2003244064A1 (en) | 2004-01-19 |
JP2006022123A (ja) | 2006-01-26 |
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