WO2003066617A1 - Procede de production de lactone - Google Patents
Procede de production de lactone Download PDFInfo
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- WO2003066617A1 WO2003066617A1 PCT/JP2003/001060 JP0301060W WO03066617A1 WO 2003066617 A1 WO2003066617 A1 WO 2003066617A1 JP 0301060 W JP0301060 W JP 0301060W WO 03066617 A1 WO03066617 A1 WO 03066617A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/32—Oxygen atoms
- C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/16—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D309/28—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D309/30—Oxygen atoms, e.g. delta-lactones
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D315/00—Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P13/00—Preparation of nitrogen-containing organic compounds
- C12P13/02—Amides, e.g. chloramphenicol or polyamides; Imides or polyimides; Urethanes, i.e. compounds comprising N-C=O structural element or polyurethanes
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P17/00—Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms
- C12P17/02—Oxygen as only ring hetero atoms
- C12P17/04—Oxygen as only ring hetero atoms containing a five-membered hetero ring, e.g. griseofulvin, vitamin C
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P17/00—Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms
- C12P17/02—Oxygen as only ring hetero atoms
- C12P17/06—Oxygen as only ring hetero atoms containing a six-membered hetero ring, e.g. fluorescein
Definitions
- the present invention relates to a method for producing ratatones.
- Ratatatones are useful as raw materials and solvents for various compounds such as pharmaceuticals and agricultural chemicals. Background art
- Rataton is a cyclic compound having an ester group in the ring, and those having a ring number of 3, 4, 5, 6, and 7 are called ⁇ -, ⁇ -, ⁇ -, ⁇ -, and ⁇ -lactones, respectively.
- Numerous production methods are known for the synthesis of lactones.For example, as a method for synthesizing ⁇ -petit mouth ratatatone, there are acid-catalyzed synthesis methods from 4-hydroxybutyric acid, reduction of succinic anhydride, 4 Synthetic methods such as heating of monohalogenated butyric acids are known.
- an organic synthetic method for producing 3-hydroxy-gamma-petit mouth ratatones for example, a method in which glycidol and carbon monoxide are reacted at high temperature and high pressure with a noble metal catalyst as a catalyst (US Pat. No. 4,966,884) , No. 817), a method in which 3-butenoic acid is epoxidized by the action of hydrogen peroxide in the presence of a platinum catalyst, then hydrated, and then ratatoneized (Angew. Chem., Int. Ed. Eng 994- 1000 (1966)) are known, but all are methods with high danger such as explosion.
- An object of the present invention is to provide an industrially advantageous ratatone, particularly a ⁇ -butyrolactone or ⁇ -butyrolactone, using an easily synthesizable amide as a raw material under mild conditions and with fewer steps and fewer by-products.
- ⁇ To provide a method for producing valerolatatanes.
- the present inventors have conducted intensive studies to solve the above-mentioned problems. As a result, surprisingly, when the halobutylamides are reacted with water, halogen and ammonia are rapidly eliminated, and the corresponding ⁇ -petit mouth The inventors have found that ratatones are produced in high yield, and have completed the present invention.
- the present invention provides a compound represented by the general formula (I):
- [X represents a halogen atom
- R, R ′ and 11 to 16 each independently represent a hydrogen atom or an arbitrary substituent
- n represents an integer of 0 to 2.
- [X represents a halogen atom, and 1 ⁇ to 16 each independently represent a hydrogen atom or 1060
- the 4-halobutylamide represented by the general formula (II) includes, for example, 4-halo-3-hydroxybutylamine.
- the compound represented by the general formula (II) includes a compound represented by the general formula (IV):
- X represents a halogen atom
- RiRe each independently represent a hydrogen atom or an arbitrary substituent.
- nitrinolehydratase may be produced by a transformant containing a gene encoding nitrile hydratase.
- X represents a halogen atom
- R i R ss each independently represent a hydrogen atom or an arbitrary substituent.
- [R i R s independently represents a hydrogen atom or an arbitrary substituent.
- ⁇ Valerolactones, including the production of ratatotones.
- the temperature at the time of the reaction is, for example, 30 to 100 ° C.
- the pH at the time of the reaction is, for example, pH 1.0 to 6.0.
- the amide compound represented by the general formula (I) is reacted with an aqueous medium to cause a elimination reaction between a halogen atom and ammonia to obtain a target lactone.
- an aqueous medium to cause a elimination reaction between a halogen atom and ammonia to obtain a target lactone.
- ⁇ represents an integer of 0 to 2
- X represents a halogen atom.
- the halogen atom means a fluorine atom, a chlorine atom, a bromine atom or an iodine atom, but a chlorine atom is preferred.
- n 0, the starting amide compound is represented by the general formula ( ⁇ ):
- optional substituent refers to a hydrocarbon group having 1 to 20 carbon atoms (which may have a substituent), a carbon group having 1 to 20 carbon atoms which may have a substituent, 20 (di to ⁇ ) alkoxy groups, optionally substituted C 6 to C 20 (C 6 to C 20 ) aryloxy groups, optionally substituted C 7 to 20 carbon atoms (C 7 ⁇ C 2.)
- Arukiruari one Ruokishi group, alkoxycarbonyl El group Yoi C2-20 be the location substituent chromatic City ( ⁇ 2 ⁇ € 2.), substituted An optionally substituted amino group, an optionally substituted silyl group or a hydroxyl group.
- alkylthio group which may have a substituent an arylthio group which may have a substituent, an alkylsulfonyl group which may have a substituent, and an alkylthio group which may have a substituent. It may be a good aryl sulfol group.
- the hydrocarbon group may be saturated or unsaturated, acyclic or saturated or unsaturated, cyclic. When the hydrocarbon group is acyclic, it may be linear or branched.
- the hydrocarbon group includes Ci Ca. Alkyl group, C 2 ⁇ C 2. Alkenyl - le group, C 2 ⁇ C 2. Alkyl El group, C 4 ⁇ C 2. Alkyl Jenny Le group, C 6 -C 18 Ariru group, C 6 ⁇ C 2. Al Kiruariru group, C 6 ⁇ C 2. ⁇ reel alkyl group, C 4 ⁇ C 2. Cycloalkyl group, C 4 ⁇ C 2. Cycloalkenyl group, and the like (C 3 -C 10 cycloalkyl) Ci ⁇ C 10 Al kills group.
- Alkyl groups are 10 ⁇ . . It is preferably an alkyl group.
- Examples of the alkyl group include a methyl group, an ethyl group, a propyl group, an isopropyl group, an n-butyl group, a sec-butyl group, a tert-butyl group, a pentyl group, a hexyl group, an octyl group, a nor group, and a decyl group. Group, decyl group, dodecyl group and the like.
- the alkenyl group is Cz Ci. It is preferably an alkenyl group.
- Examples of the alkenyl group include a vinyl group, an aryl group, a propyl group, an isopropyl group, a 2-methyl-1-propenyl group, a 2-methylaryl group, a 2-butenyl group and the like.
- the alkynyl group is preferably a C 2 -C 10 alkynyl group.
- Examples of the alkyl group include an ethur group, a propynyl group, a butynyl group and the like. It is.
- the alkyl gel group is Ca Ci. It is preferably an alkyl gel group.
- Examples of the alkylgenyl group include a 1,3-butadienyl group.
- C 6 -C 18 aryl groups are C 6 -Ci. It is preferably an aryl group.
- the aryl group include a phenyl group, a 1-naphthyl group, a 2-naphthyl group, an indenyl group, a biphenyl group, an anthryl group, and a phenanthryl group.
- Alkyl ⁇ aryl group is preferably a C 6 -C 1 2 alkyl ⁇ aryl group.
- alkylaryl group examples include 0-tolyl group, m-tolyl group, p-tolyl group, 2,3-xylyl group, 2,4-xylyl group, 2,5-xylyl group, 0-tamenyl group , m - Kumeeru group, p- cumenyl group, mesityl group and the like.
- the arylalkyl group is preferably a C 6 -C 12 arylalkyl group.
- arylalkyl groups include benzyl, phenethyl, 1-naphthinolemethyl, 2-naphthylmethyl, 1-phenylenoethyl, phenylpropyl, phenylbutyl, phenylpentyl, and phenyl.
- Xyl group methylbenzyl group, dimethylbenzyl group, trimethylbenzyl group, ethylbenzyl group, methylphenethyl group, dimethylphenethyl group, getylbenzyl group and the like.
- Cycloalkyl groups C 4 ⁇ Ci.
- it is a cycloalkyl group.
- the cycloalkyl group include a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, a cyclooctyl group, and the like.
- cycloalkenyl group is preferably a C 4 -C 10 cycloalkenyl group.
- the cycloalkenyl group include a cyclopropenyl group, a cyclobutenolene group, a cyclopentenynol group, a cyclopentajenynol group, a cyclohexenyl group, and the like.
- Ci ⁇ C 20 alkoxy group preferably a ⁇ Ji ⁇ alkoxy groups.
- alkoxy group include a methoxy group, an ethoxy group, a propoxy group, a butoxy group, a pentyloxy group and the like.
- the C 6 -C 20 aryloxy group is preferably a C 6 -C 10 aryloxy group.
- the aryloxy group include a phenyloxy group, a naphthyloxy group, a biphenyloxy group and the like.
- Alkyl ⁇ reel O alkoxy group is preferably a C 7 -C 1 2 alkyl ⁇ reel O alkoxy group.
- alkylaryl group include a methyl phenyl group, an ethyl phenyl group, a propyl phenyl group, a butyl phenyl group, a dimethyl phenyl group, a dimethyl phenyl group, Examples include a dipropyl phenyl group, a dibutyl phenyloxy group, a methyl ethynolephenoxy group, a methyl propyl phenyloxy group, and a methyl propyl phenyloxy group.
- it is a benzoyloxy group.
- alkoxycarbonyl group include a methoxycarbonyl group, an ethoxycarbonyl group, a 2-methoxyethoxycarbonyl group, and a t-butoxycarbonyl group.
- amino group which may have a substituent examples include, for example, an amino group, a dimethylamino group, a methylamino group, a methylphenylamino group, a phenylamino group and the like.
- the present invention is characterized in that an aqueous medium which is extremely cheap and can be handled safely as compared with other organic solvents is used as the solvent.
- the aqueous medium include tap water, distilled water, and the like, and a phosphate buffer, a Tris-HCl buffer, an acetate buffer, a borate buffer, and the like.
- the amides (for example, 4-halobutylamides) and the aqueous medium used in the reaction of the present invention can be mixed in an arbitrary ratio, and the amount of the aqueous medium used is not particularly limited. Usually, it is preferably in the range of 1 to 1000 times by weight the compound (I). 2 to: More preferably in the range of 100 times by weight.
- the aqueous medium and the amides may be mixed together, or the amides may be dividedly added to a predetermined amount of the aqueous medium and mixed.
- an appropriate organic solvent is used for the purpose of facilitating pH adjustment or the like, for example, to make an appropriate buffer solution exist in the reaction solution, or to increase the solubility of 4-halobutylamides. It is also possible for a solvent to be present.
- the reaction temperature can be appropriately selected in consideration of the stability of the raw materials and the like, and is, for example, 30 to 100 ° C, preferably 50 to 70 ° C, and more preferably 70 ° C.
- the reaction pH for carrying out the reaction is, for example, pH 1.0 to 6.0, preferably 1.2 to 5, and more preferably 3.5.
- an appropriate alkali such as NaOH, KOH, ammonia or the like.
- adjusting the pH to 2 to 5 with an alkali gives a higher yield than when not adjusting the pH.
- 3-hydroxy- ⁇ - petit mouth ratataton can be obtained.
- Raicitones generated and accumulated in the reaction solution can be collected and purified using a known method. For example, in the production of / -butyrolactones, if the desired ⁇ -petit mouth ratatones are water-insoluble, phase separation is performed. If water-soluble, the water is distilled off or extracted with an appropriate solvent. By doing so, it can be obtained.
- the extraction solvent examples include pyrrolidones, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, ethyl ethyl acetate, ⁇ -butanol, isobutanol, hexane, and toluene. These solvents are appropriately selected. I do. Further, since ammonium halide is generated in the reaction solution, the ammonium halide can be phase-separated by adding an appropriate salt as needed. This enables phase separation even when a water-soluble solvent such as acetonitrile-tert-butanol is used, and is particularly effective for producing highly hydrophilic ⁇ -petit mouth ratatatones. Further, it can be further purified by distillation or the like.
- amides for example, 4-halobutylamides
- amide synthesis methods for example, acid chlorides or acid anhydrides or their esters. It is obtained by the action of moir, the dehydration condensation of carboxylic acid with ammoair at high temperature, and the hydration of the corresponding 4-halo-mouth-tolyls with mineral acids or aluminum.
- nitriles are hydrated by the action of nitrile hydrakuses is more preferable in terms of excellent yield and purity.
- Microorganisms containing these-tolyl hydratase include, for example, the genus Arthrobacter, the genus Brevipacterium, the genus Birevibacteriwij, the genus Caseobacter, the genus Corynebacteiri i) and the genus Pseudomonas Pseudomonas. Or a microorganism belonging to the genus RhodococcuS).
- earth mouth pacter sp. SK103, caseo pactor sp. BC23, Rhodococcus rhodochrous J-1 (FERM BP-1478: National Institute of Advanced Industrial Science and Technology, Patent Organism Depositary Center (Dr. 305-8566 Tsukuba East 1-chome, Ibaraki Prefecture No. 1 1 Chuo No. 6), dated September 18, 1987), Pseudomonas sp. BC15-2 (FERM BP-3320: National Institute of Advanced Industrial Science and Technology, Patent Organism Depositary (T 305-8566 Higashi, Tsukuba, Ibaraki Prefecture) 1-chome No. 1 1 Chuo No. 6), March 18, 1991), Pseudomonas sp.
- Rhodococcus rhodochrous Jl (FERM BP-1478), Pseudomonas sp.BC15-2 (FERM BP-3320) and Pseudomonas sp.SK13 (FERM BP-3325) are subject to the Budapest Treaty. International deposit has been made. The list of deposited information is as follows.
- microorganisms belonging to any one of the above genera can be used alone or in combination.
- one or more kinds of microorganisms belonging to one genus and one or more kinds of microorganisms belonging to another genus can be combined and used as a mixed microorganism. It is also possible to use a microorganism obtained by collecting a gene encoding nitrile hydratase from the microorganism and expressing the gene in an appropriate host-vector system.
- chromosomal DNA is prepared from the microorganism, and a chromosomal DNA library is prepared using an appropriate plasmid vector. Cloning of the nitrile hydratase gene can be performed, for example, by colony hybridization or the like. A target DNA fragment can be obtained by performing PCR using a chromosomal DNA library as a type I PCR primer designed from the partial amino acid sequence of nitrile hydrase (for example, N-terminal sequence). . The nucleotide sequence of the DNA encoding nitrile hydrase is determined using a commercially available nucleotide sequencer.
- nitrile hydratase using the obtained nitrile hydratase gene, first, the gene is ligated to an appropriate expression vector to prepare a plasmid, which is then transferred to, for example, an appropriate host. Transformants are obtained by introduction.
- nitrile hydratase is produced in a significant amount in the host cell.
- This enzyme can be used for the conversion reaction as it is, but the cells are disrupted and used as a cell-free extract or as a purified enzyme.
- a medium for culturing the above-mentioned microorganisms generally, any medium can be used as long as these microorganisms can grow.
- sugars such as glucose, fructose, sucrose, and maltose as carbon sources
- organic acids such as acetic acid and citric acid
- alcohols such as ethanol and glycerol, etc.
- inorganic and organic acid ammonium salts and the like can be used.
- inorganic salts, trace metals, vitamins and the like are used as needed.
- nitriles such as n-propionitrile, n-butyronitrile, isopyronitrile, 4-monocloth_3-hydroxypropylonitrile, and benzyl cyanide are used.
- Compounds, various amide compounds such as n-propionamide, n-butylamide, isoptylamide, In some cases, it may be effective to add a lactam compound such as T-butyrolactam, ⁇ -valerolactam, and ⁇ -caprolactam to the medium.
- the microorganism may be cultured by a conventional method, for example, aerobically for 10 to 180 hours in a range of ⁇ 4 to 10 and a temperature of 10 to 40 ° C.
- the cultivation can be performed in any of liquid culture and solid culture.
- nitrile hydratase may be used as a crude enzyme, a purified enzyme, a culture of a microorganism obtained by culturing, a cell obtained by filtration or centrifugation, a crushed cell, a cell extract, etc. Used in form. Further, the above-mentioned form can be immobilized on a suitable carrier such as acrylamide, carrageenan, agarose, or adsorbed on an ion exchange resin or the like. The use form is appropriately selected depending on the reaction mode.
- reaction mode examples include a method in which a reaction substrate is added and a reaction is performed simultaneously with culture of a microorganism, a method in which these nitrile hydratases are suspended in an appropriate aqueous medium as needed, and a method in which these nitriles are added to the substrate.
- the aqueous medium used for the nitrile hydratase reaction is water, in addition to water, a buffer solution consisting of salts of organic acids, phosphoric acid, boric acid, amines, etc., other salts, and organic solvents are added as necessary.
- a buffer solution consisting of salts of organic acids, phosphoric acid, boric acid, amines, etc., other salts, and organic solvents are added as necessary.
- the reaction temperature and the reaction pH are not particularly limited, it is desirable to carry out the reaction at a temperature of 0 to 50 ° C and a pH of 3 to 10 respectively. It is also possible to convert 4-halobutyramides from 4-halopyronitriles with nitrile hydratases and, simultaneously and / or after the reaction, to convert 418-robutylamides to arptyrolactones. it can.
- a reaction catalyzed by nitrylhydratase was carried out at 0 to 50 t: in order to obtain the aptyrolactone in high yield, and 4-halobutyronitrile was consumed as much as possible. Thereafter, it is preferable to set the temperature at 30 to 100 to carry out the conversion reaction to the carboxylactones.
- reaction for obtaining 4-halobutylamides from 4-halobutyronitriles and the reaction for obtaining arabutyrolactone from 4-halobutylamides are usually exothermic reactions. Cool with a jacket, internal coil, heat exchanger, etc. if necessary. In addition, these operations such as reaction, recovery, and purification can be either batch or continuous.
- Example 4 100 ml of 11.5-, 23-, 34.5% by weight aqueous solution of 4-chloro-3-hydroxybutyramide containing 20 mM phosphate buffer was added to a 70-water bath with the remaining 4-chloro-3-hydroxy- The reaction was continued until the amount of butylamide was 1 mol or less of the initial amount. At that time, the pH was maintained at 3.5 with 24% NaOH using a pH controller.
- the amount of i3-hydroxy-1-albutyrolactone in the reaction solution was determined in the same manner as in Example 1, and the yield was as shown in Table 3. In each case, 4-monochloro-3-hydroxybutyric acid was not detected during or after the reaction.
- the cells obtained by culturing by the above method are collected by centrifugation, 50 mM phosphate buffer (pH 7.7) of the same volume as the culture solution is added, and the cells are collected by centrifugation. The cells were suspended in the same buffer solution.
- the amount of 4-chloro-3-hydroxybutyramide in the reaction solution was determined in the same manner as in Example 1, and the yield was 99%.
- This solution was reacted in a water bath at 70 ° C. for 3 hours. At that time, the pH was maintained at 3.5 with 24 mass% NaOH using a pH controller.
- the amount of ⁇ -hydroxy-l-butyrolactone in the reaction solution was determined in the same manner as in Example 1. As a result, the yield from 4-chloro-l-hydroxybutyronitrile was 84.3%. 4-Chloro-3-hydroxybutyronitrile, 4-chloro-3-hydroxybutyramide, and 4-chloro-3-hydroxybutyric acid were not detected.
- Rhodococcus rhodochrous J-1 was subjected to a reaction for producing 4-chloro-3-hydroxybutyramide from 4-hydroxybutyronitrile under the conditions described in the specification of Japanese Patent No. 3141171. It was confirmed that ⁇ -hydroxy-aptyrolactone was produced.
- This medium was inoculated with Rhodococcus rhodochrous J-1 strain and cultured with shaking at 30 ° C for 72 hours. The cells are collected by centrifugation, washed with 1.5 ml of 50 mM phosphate buffer (PH 7.2), and washed with 50 mM phosphate buffer containing 88 mM 4-chloro-3-hydroxybutyl tn nitrile. (PH 7.2) lml Was added and reacted at 20 ° C. for 24 hours.
- Rhodococcus rhodochrous J-1 strain was cultured in the same manner as in Example 7 to prepare a cell suspension.
- Rhodococcus rhodochrous J-1 strain was cultured in the same manner as in Example 7 to prepare a cell suspension.
- 2-cyanobenzyl bromide (lg) and bacterial cell suspension (lg) were added to 98 ml of 10 mM phosphate buffer (pH 7.0) and reacted at 10 ° C for 3 days.
- This solution was reacted in a water bath at 70 ° C. for 16 hours. At that time, the pH was maintained at pH 3.0 with 24% by mass NaOH using a pH controller.
- the present invention there is provided a method for producing a carpirolactone or ⁇ 5-valerolactone.
- the above-mentioned lactones can be produced in a small number of steps and with few by-products using 4-halobutylamides or the like as a raw material, which is industrially useful.
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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KR1020047012177A KR100951490B1 (ko) | 2002-02-08 | 2003-02-03 | 락톤류의 제조방법 |
US10/502,595 US7579485B2 (en) | 2002-02-08 | 2003-02-03 | Process for producing lactone |
JP2003565990A JP4608216B2 (ja) | 2002-02-08 | 2003-02-03 | ラクトン類の製造方法 |
DE60322836T DE60322836D1 (de) | 2002-02-08 | 2003-02-03 | Verfahren zur herstellung von lacton |
EP03737461A EP1473291B1 (en) | 2002-02-08 | 2003-02-03 | Process for producing lactone |
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JP2002032715 | 2002-02-08 | ||
JP2002-32715 | 2002-02-08 |
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WO2003066617A1 true WO2003066617A1 (fr) | 2003-08-14 |
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PCT/JP2003/001060 WO2003066617A1 (fr) | 2002-02-08 | 2003-02-03 | Procede de production de lactone |
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US (1) | US7579485B2 (ja) |
EP (1) | EP1473291B1 (ja) |
JP (1) | JP4608216B2 (ja) |
KR (1) | KR100951490B1 (ja) |
CN (1) | CN1273459C (ja) |
DE (1) | DE60322836D1 (ja) |
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GB865310A (en) | 1958-08-20 | 1961-04-12 | Bayer Ag | A process for the productionof 2-cis-ª-ionylidene acetic acid |
JPS5313611B2 (ja) | 1972-05-11 | 1978-05-11 | ||
US4588820A (en) | 1984-06-11 | 1986-05-13 | Merck & Co., Inc. | Process for epimerization at C6 of 3,4,5,6-tetrahydro-2H-pyran-2-one |
JP2840253B2 (ja) * | 1988-07-06 | 1998-12-24 | 輝彦 別府 | ニトリルヒドラターゼ活性を有するポリペプチドをコードする遺伝子dna、これを含有する形質転換体によるニトリル類からアミド類の製造法 |
JP2907479B2 (ja) * | 1990-02-28 | 1999-06-21 | 輝彦 別府 | ニトリルヒドラターゼ活性を有するポリペプチドをコードする遺伝子dna、これを含有する形質転換体及びアミド類の製造法 |
JP3014171B2 (ja) * | 1991-06-06 | 2000-02-28 | 三菱レイヨン株式会社 | 4−ハロ−3−ヒドロキシブチルアミドの製造法 |
TW411336B (en) | 1997-12-25 | 2000-11-11 | Mitsubishi Rayon Co | Process for preparing <beta>-hydroxy-<gamma>-butyrolactones and <beta>-(meth)acryloyloxy-<gamma>-butyrolactones |
JP4195117B2 (ja) * | 1998-02-09 | 2008-12-10 | 三菱レイヨン株式会社 | β−ヒドロキシ−γ−ブチロラクトン類およびβ−(メタ)アクリロイルオキシ−γ−ブチロラクトン類の製造方法 |
-
2003
- 2003-01-28 TW TW092101774A patent/TWI332953B/zh not_active IP Right Cessation
- 2003-01-31 CN CNB031023436A patent/CN1273459C/zh not_active Expired - Lifetime
- 2003-02-03 US US10/502,595 patent/US7579485B2/en active Active
- 2003-02-03 DE DE60322836T patent/DE60322836D1/de not_active Expired - Lifetime
- 2003-02-03 KR KR1020047012177A patent/KR100951490B1/ko active IP Right Grant
- 2003-02-03 WO PCT/JP2003/001060 patent/WO2003066617A1/ja active IP Right Grant
- 2003-02-03 JP JP2003565990A patent/JP4608216B2/ja not_active Expired - Fee Related
- 2003-02-03 EP EP03737461A patent/EP1473291B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
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KANNO OSAMU ET AL.: "Efficient syntheses of (S)-4-hydroxy-2-pyrrolidinone derivatives", HETEROCYCLES, vol. 53, no. 1, 2000, pages 173 - 181, XP002965204 * |
Also Published As
Publication number | Publication date |
---|---|
JP4608216B2 (ja) | 2011-01-12 |
KR100951490B1 (ko) | 2010-04-07 |
EP1473291B1 (en) | 2008-08-13 |
US20050080276A1 (en) | 2005-04-14 |
TWI332953B (en) | 2010-11-11 |
EP1473291A4 (en) | 2005-07-06 |
US7579485B2 (en) | 2009-08-25 |
JPWO2003066617A1 (ja) | 2005-05-26 |
CN1436775A (zh) | 2003-08-20 |
TW200302827A (en) | 2003-08-16 |
DE60322836D1 (de) | 2008-09-25 |
KR20040089602A (ko) | 2004-10-21 |
CN1273459C (zh) | 2006-09-06 |
EP1473291A1 (en) | 2004-11-03 |
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