WO2015141886A1 - 미생물 유래의 o-아실호모세린으로부터 바이오 유래 호모세린락톤 염산염 및 바이오 유래 유기산을 제조하는 방법 - Google Patents
미생물 유래의 o-아실호모세린으로부터 바이오 유래 호모세린락톤 염산염 및 바이오 유래 유기산을 제조하는 방법 Download PDFInfo
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- WO2015141886A1 WO2015141886A1 PCT/KR2014/002467 KR2014002467W WO2015141886A1 WO 2015141886 A1 WO2015141886 A1 WO 2015141886A1 KR 2014002467 W KR2014002467 W KR 2014002467W WO 2015141886 A1 WO2015141886 A1 WO 2015141886A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- homoserine
- derived
- preparing
- catalyst
- gamma
- Prior art date
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- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C12P13/04—Alpha- or beta- amino acids
- C12P13/06—Alanine; Leucine; Isoleucine; Serine; Homoserine
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/263—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/11—DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
- C12N15/52—Genes encoding for enzymes or proenzymes
-
- 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
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/40—Preparation of oxygen-containing organic compounds containing a carboxyl group including Peroxycarboxylic acids
-
- 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
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/40—Preparation of oxygen-containing organic compounds containing a carboxyl group including Peroxycarboxylic acids
- C12P7/54—Acetic acid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Definitions
- the present invention provides a method for producing bioderived homoserine lactone and bioderived organic acids and derivatives derived therefrom.
- Reactants for producing gamma-butyrolactone, 1,4-butanediol, tetrahydrofuran, etc. which are industrially useful raw materials, for example, maleic anhydride, succinic anhydride, acetylene, butadiene, etc. are mostly produced in the petrochemical field. Substances.
- 1,4-butanediol and succinic acid can be used to prepare polybutylene succinate having biodegradability by condensation polymerization by esterification and transesterification of oligomers generated accordingly. It is possible to prepare polybutylene terephthalate by ester reaction with terephthalic acid using 1,4-butanediol.
- bio-derived homoserine lactone and bio-derived organic acid obtained by chemical conversion method using O-acyl homoserine derived from microorganism as a raw material are very useful in the industrial society.
- Patent Document 1 US 2011/0159572 A
- the present invention utilizes O-acyl homoserine derived from microorganisms as a useful raw material such as 1,4-butanediol, gamma-butyrolactone, tetrahydrofuran, and the like. While replacing the technology, it can solve the environmentally-friendly shortcomings such as pollutant emission and depletion of natural resources, and it is continuously reproducible so that new use of bio-derived O-acyl homoserine can be used to avoid depleting natural resources. It aims to provide.
- bio-derived homoserine lactone and bio-derived organic acid obtained by chemical conversion from O-acyl homoserine derived from microorganisms. It is an object to provide a process for the synthesis of useful 1,4-butanediol, gamma-butyrolactone, tetrahydrofuran and the like.
- the present invention is a method for producing bio-derived homoserine lactone and bio-derived organic acid by hydrolysis reaction under an acid catalyst from O-acyl homoserine derived from microorganisms To provide.
- the present invention using a bio-derived homoserine lactone prepared by hydrolysis reaction under an acid catalyst from O-acyl homoserine derived from microorganisms, gamma-buty by denitrification or deamination Provided is a method for preparing rockactone.
- the present invention is a substance that can be derived from the gamma-butyrolactone, namely tetrahydrofuran, 2-pyrrolidone, N-methyl-2-pyrrolidone, N-vinyl-2-pyrrolidone, Provided are methods for producing 1,4-butanediol and the like.
- the present invention can also be derived from microorganism-derived O-acyl homoserine using a bio-derived organic acid prepared as a by-product along with bioderived homoserine lactone by hydrolysis under an acid catalyst.
- Present methods ie ethanol, ethylene, polyethylene, monoethylene glycol, 1,4-butanediol, tetrahydrofuran, N-methyl-2-pyrrolidone and the like.
- raw materials such as 1,4-butanediol, gamma-butyrolactone, and tetrahydrofuran are very useful in industrial society, using O-acyl homoserine derived from microorganisms. While replacing the conventional technology derived from chemistry, it is possible to solve the environmentally unfavorable disadvantages such as pollutant emission, depletion of natural resources, it is possible to continuously reproduce, so as not to exhaust the natural resources.
- polyesters such as polybutylene succinate and polybutylene terephthalate can be synthesized on the basis of the bio-derived homoserine lactone and the bio-derived organic acid
- O-acyl homoserine derived from the microorganism of the present invention Bio-derived homoserine lactone and bio-derived organic acids from O-acyl homoserine are in many ways highly industrially available.
- the present invention relates to a method for producing bio-derived homoserine lactone and bio-derived organic acid by hydrolysis reaction from an O-acyl homoserine derived from a microorganism under an acid catalyst.
- O-acyl homoserine derived from a microorganism means O-acyl homoserine produced by a microorganism.
- the O-acyl homoserine (O-acyl homoserine) is O-acetyl-L-homoserine (O-Acetyl-L-homoserine), O-succinyl-L-homoserine (O-succinyl-L-homoserine) Include.
- the microorganism is a strain that produces O-acyl homoserine, and any species can be genetically engineered microorganisms, Escherichia genus, Erwinia genus, Serratia genus, pro Genus Providencia, genus Corynebacterium, genus Pseudomonas, genus Leptospira, genus Salmonellar, genus Brevibacteria, genus Hypomononas, Microorganisms belonging to the genus Chromobacterium and to the genus Norcardia or to fungi or yeast can be used.
- the microorganism is a coryneform microorganism or Escherichia genus strain. More preferably, the microorganism is Escherichia coli which produces O-acylhomoserine. In addition, the microorganism is It is preferable that the strain has improved ability to produce O-acyl homoserine by transformation.
- strains having improved production capacity of O-acyl homoserine are removed or attenuated by the activity of cystathionine gamma synthase or O-succinyl homoserine sulfihydrylase or O-acetylhomoserine sulfihydrylase. It is preferred to be a microorganism.
- strain with improved O-acyl homoserine (O-acyl homoserine) production capacity may be a strain with improved production capacity of O-acetyl-L-homoserine.
- the strain with improved production capacity of O-acetyl-L-homoserine is preferably a microorganism with enhanced activity of homoserine O-acetyl transferase (homoserine O-acetyl transferase).
- the strain having improved O-acyl homoserine production capacity may be a strain having improved production capacity of O-succinyl-L-homoserine.
- the strain with improved production capacity of O-succinyl-L-homoserine is a microorganism having enhanced activity of O-succinyl transferase (MetA). It is preferable.
- the present invention is characterized by producing a bio-derived homoserine lactone is hydrolyzed under the acid catalyst from O-acyl homoserine derived from the microorganism.
- the bio-derived refers to using O-acyl homoserine produced by a microorganism as a raw material, and is a term used to distinguish the petrochemical derived from the raw material.
- the acid catalyst it is preferable to use concentrated hydrochloric acid (35% or more, about 12M) or dilute hydrochloric acid diluted in water.
- the molar ratio of the usage-amount of O-acyl homoserine and hydrochloric acid is 1: 1-15.
- reaction conditions are preferably reacted at 40 to 60 ° C. for 1 to 3 hours, or reacted at reflux for 1 to 3 hours.
- the homoserine lactone produced by the production method of the present invention may then be prepared as gamma-butyrolactone by deamination reaction, which gamma-butyrolactone is then tetrahydrofuran, 2-pyrrolidone, N- It can be used as a raw material for producing various industrially useful materials such as methyl-2-pyrrolidone, N-vinyl-2-pyrrolidone, 1,4-butanediol.
- the present invention is characterized in that the bio-derived organic acid is produced as a by-product together with the homoserine lactone.
- the organic acid includes acetic acid and succinic acid.
- O-acetyl-L-homoserine when O-acetyl-L-homoserine is used as O-acyl homoserine, acetic acid is prepared as a by-product with homoserine lactone.
- O-succinyl-L-homoserine when O-succinyl-L-homoserine is used as an O-acyl homoserine, succinic acid is prepared as a by-product along with homoserine lactone.
- Acetic acid produced by the production method of the present invention can be used as a raw material for the production of a variety of industrially very useful materials, which can be prepared in ethanol by hydrogenation according to methods already known in the art,
- the ethanol may be dehydrated to prepare ethylene, monoethylene glycol, ethyl acetate, diethyl ether, chloroform, iodoform, acetic acid, acetaldehyde, ethyl chloride, ethyl bromide, butadiene and the like.
- ethylene can be prepared from polymers such as polyethylene by polymerization reactions well known to those skilled in the art.
- the succinic acid produced by the production method of the present invention can be prepared as 1,4-butanediol by hydrogenation under a catalyst, this 1,4-butanediol can be used as a raw material for the production of a variety of industrially useful materials And may be prepared with gamma-butyrolactone, tetrahydrofuran or the like.
- the succinic acid produced by the production method of the present invention may be prepared from polybutylene succinate, which is a biodegradable polymer by copolymerization with 1,4-butanediol.
- bioderived homoserine lactone prepared as described above may also be prepared as gamma-butyrolactone by deamination reaction, which is then tetrahydrofuran, 2-pyrrolidone, N-methyl- It can be used as a raw material for producing various industrially useful materials such as 2-pyrrolidone, N-vinyl-2-pyrrolidone, 1,4-butanediol.
- preparing a bio-derived homoserine lactone and a bio-derived organic acid from the O-acyl homoserine derived from the microorganism of the present invention by hydrolysis under an acid catalyst It relates to a method for producing gamma-butyrolactone comprising the step of preparing gamma-butyrolactone from the homoserine lactone by a denitrification reaction using a metal catalyst and hydrogen gas.
- the method for producing a bioderived homoserine lactone and an organic acid from O-acyl homoserine derived from a microorganism is the same as described above, and homoserine lactone can be produced by a hydrolysis reaction under an acid catalyst.
- the homoserine lactone can then be prepared first as gamma-butyrolactone by dehydrogenation using a metal catalyst and hydrogen gas.
- a metal catalyst one or more selected from metals such as palladium (Pd), platinum (Pt), nickel (Ni), and cobalt (Co) may be supported on carbon (C) or silica.
- the reaction conditions are preferably 100 ⁇ 500 °C, the pressure of hydrogen is suitable 10 ⁇ 100 bar.
- the prepared gamma-butyrolactone is a substance having a high boiling point of 204 ° C. to synthesize pyrrolidone, N-methyl-2-pyrrolidone, N-vinyl-2-pyrrolidone, polyvinylpyrrolidone, and the like. It is one of the important raw materials used in various fields of agrochemicals, chemicals, dyes, pigments, fragrances, cosmetics, petrochemicals, electronics industry, as well as intermediates, aromatic compounds, rust removers, electrolyte solvents of secondary batteries, intermediates of medicines and agricultural chemicals Can be used as
- the present invention comprises the steps of preparing a bio-derived homoserine lactone and a bio-derived organic acid by hydrolysis reaction under an acid catalyst from O-acyl homoserine derived from microorganisms; Degamming from the homoserine lactone by a denitrification reaction using a metal catalyst and hydrogen gas to produce gamma-butyrolactone;
- the present invention relates to a method for preparing tetrahydrofuran, comprising: preparing tetrahydrofuran from the gamma-butyrolactone by etherification with a silane compound under an indium bromide catalyst.
- the method for producing from O-acylhomoserine derived from microorganism to gamma-butyrolactone is the same as described above.
- gamma-butyrolactone is dissolved in a solvent, and then subjected to an etherification reaction at 60 to 80 ° C. using a silane compound reducing agent under an indium bromide catalyst to prepare tetrahydrofuran.
- the solvent may be trichloromethane, benzene, toluene, acetonitrile, and the like.
- the silane compound is represented by Formula 1 below, R 1 , R 2 or R 3 is selected from the same or different functional groups or atoms.
- Preferred functional groups or atoms include hydrogen atom, halogen atom, amino group, alkyl group, cycloalkyl group, alkoxy group, thioalkyl group, alkylamino group, aryl group, arylamino group, vinyl group, siloxy group, organosiloxy group, organosilyl group, heterocyclo The group can be mentioned.
- carbon number in an alkyl group is 1-18.
- this may be a linear, branched or cyclic structure, but preferably at least one of R 1 , R 2 or R 3 is an alkyl group having 1 to 4 carbon atoms.
- R 1 , R 2 or R 3 is the same or different from each other R or XR (R is an alkyl group or aryl group having 1 to 4 carbon atoms, X is hetero).
- the amount of the indium bromide catalyst to the gamma-butyrolactone is 2 to 100% by mass, preferably 5 to 10% by mass, and the amount of the silane compound is 3 to 5 times the gamma-butyrolactone. It is preferable to use 3.4 to 4.0 times.
- the ratio of indium bromide and silane compound is to use 1-2 mol of indium bromide with respect to 100 mol of silane compounds.
- reaction temperature is 60-80 degreeC.
- the present invention comprises the steps of preparing a bio-derived homoserine lactone and a bio-derived organic acid by hydrolysis reaction under an acid catalyst from O-acyl homoserine derived from microorganisms; Preparing gamma-butyrolactone from the homoserine lactone by dehydrogenation using a metal catalyst and hydrogen gas; To prepare 2-pyrrolidone from the gamma-butyrolactone at a high temperature and high pressure in the presence of an aqueous ammonia solution.
- the method for producing microorganism-derived O-acylhomoserine to gamma-butyrolactone is the same as described above.
- gamma-butyrolactone is mixed with an aqueous ammonia solution, and then reacted for about 1 to 2 hours at 200 to 375 ° C. and 40 to 100 bar using a high temperature and high pressure reactor to prepare 2-pyrrolidone.
- the molar ratio of gamma-butyrolactone to ammonia is preferably 1: 0.5 to 1: 1.5. Even if the molar number of gamma-butyrolactone is used in the above ratio, the amount of 2-pyrrolidone is not increased, but other by-products can be produced, and thus it is preferable to use within the above range.
- the gamma-butyrolactone may be mixed with an aqueous ammonia solution in the form of anhydride, or may be dissolved in water and used after preparation as a gamma-butyrolactone solution.
- the reaction temperature is preferably 200 to 375 ° C., the reaction rate is too slow when the temperature is 200 ° C. or lower, and the concentration of impurities other than 2-pyrrolidone may be increased when the temperature is 375 ° C. or higher.
- the pressure is preferably in the range of 40 to 100 bar, and the reaction time is preferably 10 minutes to 3 hours, more preferably 1 hour to 2 hours.
- ammonia solution is preferably added gradually during the process to reduce the production of by-products with 4-hydroxy butyamide as an intermediate, so it can be prepared by batch but is a continuous process It can also manufacture by).
- the present invention comprises the steps of preparing a bio-derived homoserine lactone and a bio-derived organic acid by hydrolysis reaction under an acid catalyst from O-acyl homoserine derived from microorganisms; Preparing gamma butyrolactone from the homoserine lactone by dehydrogenation using a metal catalyst and hydrogen gas; Preparing N-methyl-2-pyrrolidone in the presence of liquid methylamine from the gamma-butyrolactone; It is to provide a manufacturing method.
- the gamma-butyrolactone and the liquid methylamine may be mixed and then reacted at a high temperature to prepare N-methyl-2-pyrrolidone.
- the molar ratio of gamma-butyrolactone and methylamine is preferably 1: 1-3 (gamma-butyrolactone: methylamine).
- the reactor used for the reaction may be a microwave reactor, a Parr reactor, a high temperature and high pressure reactor.
- the reaction conditions may vary depending on the reactor used.
- the reaction is preferably performed at 180 ° C. to 220 ° C. for 15 minutes to 1 hour, preferably about 30 minutes at atmospheric pressure, using a Parr reactor.
- 200 °C to 240 °C 10 to 20 bar at 3 to 5 hours, preferably about 4 hours to react
- the reaction is performed for about 1 hour.
- the present invention provides a method for preparing bio-derived homoserine lactone and bio-derived organic acid by hydrolysis under an acid catalyst from O-acyl homoserine derived from microorganisms; Preparing gamma-butyrolactone from the homoserine lactone by dehydrogenation using a metal catalyst and hydrogen gas; Shear reaction and N- (2-hydroxyethyl) to prepare N- (2-hydroxyethyl) -2-pyrrolidone by dehydration in the presence of liquid ethyl alcohol amine from the gamma-butyrolactone Post-reaction for preparing N-vinyl-2-pyrrolidone from -2-pyrrolidone by dehydration in the presence of an alkali metal or an alkali catalyst containing an alkali metal and silicon; It provides a method for producing N-vinyl-2-pyrrolidone comprising a.
- the method for producing from O-acylhomoserine derived from microorganism to gamma-butyrolactone is the same as described above.
- the gamma-butyrolactone and ethyl alcohol amine were prepared by dehydration (shear reaction) in a liquid phase to prepare N- (2-hydroxyethyl) -2-pyrrolidone, and then an alkali metal or an alkali metal and silicon N-vinyl-2-pyrrolidone is prepared by dehydration (post-reaction) in the gas phase using an oxide catalyst containing.
- the shear reaction was added to the autoclave substituted with nitrogen in a vessel at room temperature with ethanol amine and water, followed by adding gamma-butyrolactone with stirring, followed by 25 to 35 nitrogen. After pressurizing at atmospheric pressure, the temperature was raised to 200 ° C to 250 ° C and reacted for about 2 hours. From N- (2-hydroxyethyl) -2-pyrrolidone from gamma-butyrolactone through shear reaction The solution is prepared.
- reaction solution of the shear reaction that is, a solution containing N- (2-hydroxy ethyl) -2-pyrrolidone was distilled and purified to obtain N- (2-hydroxy ethyl) -2-pyrrolidone.
- the catalyst was charged into a stainless steel reaction tube having an inner diameter of 15 mm, and the reaction tube was immersed in a reaction tube having a high temperature (about 360 ° C).
- the reaction tube was supplied with a nitrogen gas of N- (2-hydroxyethyl) -2-pyrrolidone at a space velocity of 200 hr -1 for N- (2-hydroxyethyl) -2-pyrrolidone.
- the reaction was carried out at atmospheric pressure.
- the reactor outlet gas 1 hour after the start of the reaction was collected in methanol, and N-vinyl-2-pyrrolidone was obtained by gas chromatography.
- the catalyst may optionally use an oxide represented by the following formula (2).
- M is at least one element selected from alkali metal and alkaline earth metal elements
- Si is silicon
- X is at least one element selected from B, Al, and P
- O is oxygen.
- the ratio of silicon to the alkali metal and / or alkaline earth metal element depends on the alkali metal and / or alkaline earth metal type, but is usually in the range of 1 to 500 times in atomic ratio, and preferably in the range of 5 to 200 times. .
- the ratio of X, which is one or more elements selected from B, Al, and P to be added as needed, to the alkali metal and / or alkaline earth metal element depends on the alkali metal and / or alkaline earth metal type, but usually in an atomic ratio. 0-1 are preferable.
- the present invention comprises the steps of preparing a bio-derived homoserine lactone and a bio-derived organic acid by hydrolysis reaction under an acid catalyst from O-acyl homoserine derived from microorganisms; Preparing gamma-butyrolactone from the homoserine lactone by dehydrogenation using a metal catalyst and hydrogen gas; It provides a method for producing 1,4-butanediol comprising the step of preparing 1,4-butanediol (1,4-butandiol) from the gamma-butyrolactone.
- 1,4-butanediol was prepared by injection of hydrogen gas (50 bar) under THF solvent and 100 ° C. using 0.25 mol% of ruthenium (Ru) catalyst and 1 mol% of imidazole ligand as gamma-butyrolactone.
- 1,4-Butanediol is a polymer intermediate and industrial solvent with a global market of $ 4 billion annually. It is a raw material for producing polytetramethylene ether glycol, which is a raw material for spandex, and reacts with diisocyanate as a monomer to produce polyurethane resin.It is also used for the production of polybutylene terephthalate, a raw material for manufacturing engineering platin, and gamma-butyro. It can be used as an intermediate for the preparation of lactones and tetrahydrofuran, the main solvent.
- the present invention comprises the steps of preparing a bio-derived homoserine lactone hydrochloride and bio-derived acetic acid from the O-acetyl-L- homoserine derived from microorganisms under an acid catalyst; and a first metal from the acetic acid It provides a method for producing ethanol comprising; preparing ethanol by hydrogenation in the presence of a catalyst comprising a silicon support and at least one support modifier.
- Ethanol is then prepared from acetic acid by hydrogenation under a catalyst.
- the catalyst comprises a first metal, a silicon support and one or more support modifiers.
- the first metal may be selected from the group consisting of platinum, copper, iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium, platinum, titanium, zinc, chromium, rhenium, molybdenum and tungsten, and the amount of the first metal may be used. Preference is given to using from 0.1 to 25% by weight, based on the total weight of the catalyst.
- the silicon support may be selected from the group consisting of silica, silica alumina, calcium metasilicate, and the amount of the silicon support is preferably used in an amount of 25 wt% to 99 wt% based on the total weight of the catalyst.
- the surface area of the silicon support is 50 m 2 / g to 600 m 2 / g.
- the support modifier may be selected from the group consisting of oxides and metasilicates of sodium, potassium, magnesium, calcium, scandium, yttrium and zinc, preferably CaSiO 3 , the amount of which is 0.1% by weight based on the total weight of the catalyst To 50% by weight.
- the catalyst may further comprise a second metal different from the first metal, the second metal being copper, molybdenum, tin, chromium, iron, cobalt, vanadium, tungsten, palladium, platinum, lanthanum, cerium, manganese, ruthenium , Rhenium, gold, and nickel.
- the amount of the first metal and the second metal is preferably 0.1 to 10% by weight based on the total weight of the catalyst.
- Hydrogenation conditions supply hydrogen and acetic acid to the reactor at a gas hourly space velocity (GHSV) of at least 500 hr ⁇ 1 under a pressure of 125 ° C. to 350 ° C. and 10 KPa to 3000 Kpa.
- GHSV gas hourly space velocity
- the supply ratio of hydrogen and acetic acid is preferably more than 2: 1.
- Ethanol is prepared by hydrogenation of acetic acid under such a catalyst.
- the ethanol thus prepared may be made of ethylene using a known production method, such as dehydration with concentrated sulfuric acid, gaseous dehydration using activated alumina as a catalyst, and monoethylene glycol, acetic acid. Ethyl, diethyl ether, chloroform, iodoform, acetic acid, acetaldehyde, ethyl chloride, ethyl bromide, butadiene and the like.
- ethylene can be prepared from polymers such as polyethylene by polymerization reactions well known to those skilled in the art.
- the present invention comprises the steps of preparing the bio-derived homoserine lactone (homoserinelactone hydrochloride) and bio-derived acetic acid from the O-acetyl-L- homoserine derived from the microorganism by hydrolysis under acid catalyst; Preparing ethanol from the acetic acid by hydrogenation in the presence of a catalyst comprising a first metal, a silicon support and at least one support modifier; It provides a method for producing ethylene comprising a; ethylene by dehydration in the presence of zeolite (ZSM-5) catalyst from the ethanol;
- ZSM-5 zeolite
- Ethylene is then produced from ethanol by dehydration under a catalyst.
- the catalyst is preferably a zeolite (ZSM-5) catalyst.
- ethanol was added to a fixed-bed quartz reactor and reacted at 550 ° C. to prepare ethylene gas.
- the present invention comprises the steps of preparing the bio-derived homoserine lactone (homoserinelactone hydrochloride) and bio-derived acetic acid from the O-acetyl-L- homoserine derived from the microorganism by hydrolysis under acid catalyst; Preparing ethanol from the acetic acid by hydrogenation in the presence of a catalyst comprising a first metal, a silicon support and at least one support modifier; Preparing ethylene from the ethanol by dehydration in the presence of a zeolite catalyst; It provides a process for the production of polyethylene from the ethylene by polymerization in the presence of a Ziegler-Natta catalyst.
- the polyethylene is then prepared from ethylene under a Ziegler-Natta catalyst.
- polyethylene was prepared by reacting the ethylene gas with a Ziegler-Natta catalyst at 100 psi nitrogen gas at 50 ° C. for 20 minutes.
- the present invention comprises the steps of preparing the bio-derived homoserine lactone (homoserinelactone hydrochloride) and bio-derived acetic acid from the O-acetyl-L- homoserine derived from the microorganism by hydrolysis under acid catalyst; Preparing ethanol from the acetic acid by hydrogenation in the presence of a catalyst comprising a first metal, a silicon support and at least one support modifier; It provides a method for producing monoethylene glycol comprising a; preparing monoethylene glycol in the presence of Na 2 PtCl 4 , Na 2 PtCl 6 catalyst from the ethanol.
- Monoethylene glycol is then prepared from ethanol under catalyst.
- the catalyst it is preferably used in a Na 2 PtCl 4, Na 2 PtCl 6 catalyst.
- ethylene is reacted with Na 2 PtCl 4 , Na 2 PtCl 6 catalysts to produce monoethylene glycol.
- the present invention comprises the steps of preparing bio-derived homoserine lactone and bio-derived succinic acid by hydrolysis under acid catalyst from O-succinyl-L-homoserine derived from microorganisms; It relates to a method for producing 1,4-butanediol, comprising the step of preparing 1,4-butanediol by hydrogenation under a metal catalyst on a carbon support from the succinic acid.
- the succinic acid prepared above is then prepared as 1,4-butanediol by hydrogenation using a catalyst containing palladium, silver and rhenium metal on a carbon support.
- the catalyst is impregnated with a carbon support in a source of platinum (Pt), palladium (Pd), ruthenium (Ru), dried at 150 ° C or less to remove the solvent from the impregnated carbon support, and then the dried impregnated carbon support When heated to 100 ° C ⁇ 350 ° C under reducing conditions, crystallized form of palladium having an average particle size of 10 NM or less is present in the catalyst. At least one of the palladium compound, the silver compound, and the source of rhenium is a solution.
- the carbon support preferably has a BET surface area of at least 200 m 2 / g, preferably 500-1500 m 2 / g.
- the composition of the catalyst is 0.1 to 20% by weight of palladium, preferably 2 to 8% by weight; Silver 0.1-20 wt%, preferably 1-8 wt%; Rhenium 0.1 to 20% by weight, preferably 1 to 10% by weight.
- the ratio of palladium to silver is from 10: ⁇ to 1:10.
- the palladium compound solution means a liquid solution containing an appropriate amount of a palladium compound for preparing a catalyst containing a required amount of palladium.
- the palladium compound may be palladium nitrate or a palladium compound such as chloride, carbonate, carboxylate, acetate, acetylacetonate or amine.
- the silver compound solution means a liquid solution containing an appropriate amount of silver compound for preparing a catalyst containing a required amount of silver.
- the palladium compound and the silver compound must be degradable by heat and can be reduced to a metal.
- the rhenium compound refers to a liquid solution containing an appropriate amount of the rhenium compound for producing a catalyst containing the required amount of rhenium.
- the rhenium compound includes perrhenic acid, ammonium perrhenate, or alkali metal perrhenate.
- a method of contacting hydrogen or a mixture of hydrogen and nitrogen to the catalyst for the reducing conditions can be easily used to reduce the catalyst.
- the hydrogenation reaction is performed by contacting the ratio of hydrogen and succinic acid at 5: 1 to 1000: 1 at a hydrogen pressure of 2-400 atm at 50 ° C. to 350 ° C. for 0.1 minutes to 20 hours.
- tetrahydrofuran, gamma-butyrolactone, n-butanol, n-butyl acid, n-propanol and the like and mixtures thereof may be prepared in addition to 1,4-butanediol, and 1,4-butanediol
- the amount of by-products other than and tetrahydrofuran was very small. Separation of 4-butanediol from the mixture can be achieved by fractional distillation, and the selectivity of separated 1,4-butanediol was up to 73.6%.
- tetrahydrofuran is simultaneously produced in the step of preparing 1,4-butanediol by hydrogenation under a catalyst containing palladium (Pd), silver (Ag), or rhenium (Re) metal on the carbon support from the succinic acid.
- Pd palladium
- Ag silver
- Re rhenium
- the present invention comprises the steps of preparing bio-derived homoserine lactone and bio-derived succinic acid by hydrolysis under acid catalyst from O-succinyl-L-homoserine derived from microorganisms; Preparing gammabutyrolactone and tetrahydrofuran from the succinic acid by hydrogenation on a commercial MCM-41 support under a catalyst comprising platinum (Pt), palladium (Pd), or ruthenium (Ru) metal. It relates to a manufacturing method.
- the prepared succinic acid is then gamma-butyrolactone and tetra by hydrogenation under respective catalysts containing platinum (Pt), palladium (Pd), or ruthenium (Ru) metal on a commercial MCM-41 support. It is made of hydrofuran.
- the catalyst is prepared by impregnating each precursor of platinum (Pt), palladium (Pd), or ruthenium (Ru) by wet impregnation with a commercial MCM-41 support, respectively, and then drying at 100 ° C. for 24 hours.
- the dried impregnated catalyst was reacted after flowing hydrogen at 450 ° C. under reducing conditions.
- the carbon support preferably has a BET surface area of at least 700 m 2 / g, preferably 700 to 1000 m 2 / g.
- the composition of the catalyst 15% by weight.
- Each of the noble metal precursors was tetraamineplatinum (II) nitrate, Palladium (II) nitrate, Ruthenium (III) chloride hydrate.
- the present invention comprises the steps of preparing bio-derived homoserine lactone and bio-derived succinic acid by hydrolysis under acid catalyst from O-succinyl-L-homoserine derived from microorganisms; Preparing 1,4-butanediol from the succinic acid by hydrogenation under a catalyst comprising a metal on a carbon support; It relates to a method for producing gamma-butyrolactone comprising the step of preparing gamma-butyrolactone by dehydrogenation under copper-zinc catalyst from the 1,4-butanediol.
- 1,4-butanediol prepared by the above method is then prepared as gamma-butyrolactone by dehydrogenation under a copper-zinc catalyst.
- the copper-zinc-based catalyst specifically, zinc nitrate, aluminum nitrate, zirconyl nitrate, and a precipitate obtained from the mixed aqueous solution and the hydroxide of alkali of chosandong fired body (a catalyst precursor), the Cu-ZnO-Al 2 O formed by the hydrogen reduction 3 -ZrO 3 .
- 1,4-butanediol is contacted in the gas phase under the Cu-ZnO-Al 2 O 3 -ZrO 3 catalyst, and gamma-butyrolactone is prepared by dehydrogenation.
- the reaction temperature of the dehydrogenation reaction a temperature range of 150 to 400 ° C., which is a temperature range in which 1,4-butanediol may exist in the gas phase, is appropriate.
- the reactor for the dehydrogenation reaction is not limited thereto, but the reactor includes a vaporized layer filled with a ceramic ring at the top, and a catalyst layer at the bottom, and has an inlet for a carrier gas and a raw material inlet at the top, and a gas outlet at the bottom.
- the reactor liquid collection vessel (cooling) is provided.
- the gamma-butyrolactone yield was 97.9% by the above production method.
- the present invention comprises the steps of preparing a bio-derived homoserine lactone (homoserinelactone hydrochloride) and bio-derived succinic acid from the O-succinyl-L- homoserine derived from the microorganisms under a hydrolysis reaction; Preparing 1,4-butanediol from the succinic acid by hydrogenation under a catalyst comprising a metal on a carbon support;
- the present invention relates to a method for preparing tetrahydrofuran, comprising: preparing tetrahydrofuran by dehydration under one catalyst selected from 1,4-butanediol, an inorganic acid, tungsten oxide supported on alumina, and iron phosphate.
- Tetrahydrofuran is prepared by dehydration under one catalyst selected from inorganic acids, tungsten oxide supported on alumina, and iron phosphate from 1,4-butanediol prepared by the above method.
- the inorganic acid catalyst is an acid catalyst such as sulfuric acid or cation exchange resin.
- a method for preparing tetrahydrofuran from 1,4-butanediol is to put 1,4-butanediol in a reaction column containing a catalyst such as sulfuric acid or cation exchange resin, and the temperature of 100 °C to 200 °C After dehydration under a pressure of from 10 kg / cm 2 , a reaction product comprising a mixture of water and tetrahydrofuran is obtained, and the reaction product is placed in an extractive distillation column, at a temperature of 40 ° C. to 200 ° C., and 0.1 to Tetrahydrofuran was prepared by further distilling continuous distillation by further adding 1,4-butanediol as an extraction solvent under a pressure of 10 kg / cm 2 .
- the tungsten oxide catalyst supported on the alumina is in liquid phase modification, the active catalyst is in the presence of 1,4-butanediol, optionally under a hydrogen atmosphere, tungsten oxide, tungstic acid (H 2 WO 4 ) or alumina, It may be prepared in situ by heating any one of these materials combined with a support such as silica or the like. Since a synergistic activation effect is achieved when the tungsten oxide catalyst is immobilized on alumina or silica, the catalyst made from the composition of 10% tungsten oxide and 90% aluminum oxide is substantially more active than that derived from tungsten oxide itself. .
- the tubular reactor When using a tungsten oxide catalyst supported on alumina, the tubular reactor was filled with 162 grams (70 ml) of Hasho tungsten catalyst WO 0801, which is a 1/8 inch pellet consisting of 10% WO 3 and 90% Al 2 O 3 , The bed was heated to 250 ° C. under a flow of 70 ml of hydrogen per minute and then flowed into the boiler at 36 ml per hour at 1,4-butanediol and once it reached steady state, containing only tetrahydrofuran and water in a ratio of 1: 1. Tetrahydrofuran was prepared from the concentrated eluent.
- the iron phosphate catalyst is prepared by adding phosphoric acid or ammonium phosphate to 1M aqueous solution of iron nitrate such that the ratio of Fe: P is 1 to 1.5, stirring at 90 ° C. for 2 hours, and then drying in a dryer for 24 hours.
- the iron phosphate catalyst may be used alone or supported on a carrier such as alumina, silica, titania, zeolite and activated carbon.
- a carrier such as alumina, silica, titania, zeolite and activated carbon.
- Preferably, before using the iron phosphate catalyst may be pretreated at a temperature of 200 °C to 400 °C under an inert gas such as hydrogen, nitrogen, helium, argon, etc. to increase the catalytic activity.
- tetrahydrofuran production method is filled with the iron phosphate catalyst in the tubular reactor, the iron phosphate catalyst 0.1 to 20% by weight relative to the weight of 1,4-butanediol and 1,4-butanediol liquid After filling the reactor, the reaction was carried out for about 1 hour at a reaction temperature of 150 °C ⁇ 300 °C, to prepare tetrahydrofuran.
- the present invention comprises the steps of preparing bio-derived homoserine lactone and bio-derived succinic acid by hydrolysis under acid catalyst from O-succinyl-L-homoserine derived from microorganisms; Preparing 1,4-butanediol from the succinic acid by hydrogenation under a catalyst comprising a metal on a carbon support; Preparing gamma-butyrolactone from the 1,4-butanediol by dehydrogenation under a copper-zinc catalyst; N-methyl-2-pyrrolidone comprising the step of preparing N-methyl-2-pyrrolidone by dehydration by adding a liquid methylamine from the gamma-butyrolactone; It is to provide a method of making money.
- the O-acyl homoserine is characterized in that O-succinyl-L-homoserine.
- N-methyl-2- in the prepared gamma-butyrolactone The process of producing pyrrolidone is the same as the method of the fifth embodiment, and N-methyl-2-pyrrolidone may be prepared by mixing gamma-butyrolactone with liquid methylamine and reacting at high temperature. have.
- Cystathionine with the activity of converting O-Succinyl-L-homoserine or O-acetyl_L-homoserine to cystathionine or homocysteine in E. coli strains To delete metB , a gene encoding synthase, the FRT-one-step PCR deletion method was used (PNAS (2000) vol97: P6640-6645). A portion of E. coli derived metB and pKD3 (PNAS (2000) vol97: PCR was carried out using pKD3 vector containing a chromamphenicol marker as a template using primers of SEQ ID Nos.
- the resulting PCR product was electrophoresed on a 1.0% agarose gel, followed by purification of DNA from a 1.2 kbp sized band.
- the recovered DNA fragments were electroporated at 2500V in E. coli (K12) W3110 strain previously transformed with pKD46 vector.
- Electroporated strains were plated in LB plate medium containing 25 ⁇ g / L chloramphenichol and incubated overnight at 37 ° C. to select strains that showed resistance. PCR was confirmed under the same conditions, and the defect of metB was confirmed by confirming that the gene size was observed at 1.2 Kb on the 1.0% agarose gel.
- the identified strain was transformed with pCP20 vector (PNAS (2000) vol97: P6640-6645) and cultured in LB medium, and the gene size was reduced to 150 bp on 1.0% agarose gel by PCR under the same conditions.
- the final metB deleted strain was constructed and confirmed that the chromamphenicol marker was removed.
- the produced strain was named W3-B.
- pKD4 vector (PNAS (2000) vol97: P6640-6645) containing a kanamycin marker to prepare a thrB deletion cassette, comprising a sequence having homology with a part of Escherichia coli-derived thrB and a part of pKD4
- primers 3 and 4 PCR reactions were carried out in a similar manner to Example 1-1.
- the resulting PCR product was electrophoresed on a 1.0% agarose gel, followed by purification of DNA from 1.6 kbp bands. It was.
- the recovered DNA fragments were electroporated to a W3-B strain previously transformed with pKD46 vector.
- the recovered strains were plated in LB plate medium containing 50 ⁇ g / L kanamycin and incubated overnight at 37 ° C., and then strains showing resistance were selected.
- a deficiency of thrB was confirmed by selecting strains whose gene size was confirmed to be 1.6 Kb on a 1.0% agarose gel.
- the identified strains were transformed with pCP20 vector and cultured in LB medium.
- the final thrB- deficient strains were reduced to 150 bp on 1.0% agarose gel by PCR under the same conditions, and kanamycin markers were prepared. It was confirmed that was removed.
- the produced strain was named W3-BT strain.
- metJ a regulatory gene of metA involved in O-acyl homoserine synthesis
- metB deletion the same FRT-one-step PCR deletion method as for metB deletion was used.
- PCR reaction was carried out in a similar manner to Example 1-1 using primers of SEQ ID NOs: 5 and 6 including a sequence having a homology with a part of E. coli-derived metJ and a part of pKD3. It was.
- the resulting PCR product was electrophoresed on a 1.0% agarose gel, followed by purification of DNA from a 1.2 kbp sized band.
- the recovered DNA fragments were electroporated to a W3-BT strain previously transformed with the pKD46 vector.
- the recovered strains were plated in LB plate medium containing chloramphenicol and cultured overnight at 37 ° C, and strains showing resistance were selected.
- Selected strains were PCR strains using the primers of SEQ ID NOs: 7 and 8 as the template directly, and confirmed the deficiency of metJ by confirming that the gene size was changed to 1.6 Kb on a 1.0% agarose gel. .
- the identified strain was transformed into pCP20 vector and cultured in LB medium, and again, the final metJ gene deletion strain having a gene size reduced to 600 bp on 1.0% agarose gel was prepared by PCR under the same conditions. It was confirmed that the call marker was removed.
- the produced strain was named W3-BTJ.
- O-acyl homoserine For the synthesis of more O-acyl homoserine, it encodes a homoserine O-succinyl transferase enzyme involved in the synthesis of O-succinyl homoserine from homoserine. It was intended to overexpress metA .
- the denaturation step was performed at 94 ° C. for 30 seconds
- the annealing step was performed at 55 ° C. for 30 seconds
- the extension step was 72 ° C. for 2 minutes using primers of SEQ ID NOs: 9 and 10.
- a PCR reaction was performed, which was carried out 25 times.
- the resulting PCR product was electrophoresed on a 1.0% agarose gel, followed by purification of DNA from a 1.2 kbp band.
- the recovered DNA fragment was linked to the DNA fragment obtained by cleaving the pCL1920 vector with Sma I.
- Linked vectors were transformed into E. coli W3110 and cultured in LB medium containing 50 ⁇ g / L spectinomycin and selected.
- the vector thus prepared was named pMetA-CL.
- the strain produced by transforming the vector into a W3-BTJ strain was named W3-BTJ / pMetA-CL and an increase in O-succinyl homoserine was observed.
- metA As an alternative method for further increasing the expression of metA, it was connected to the CJ1 promoter (Korea, CJ Corporation, Republic of Korea Patent No. 10-0620092 No.) of the metA in pCL1920 vector.
- the linked vectors were transformed into E. coli strains and cultured in LB medium containing 50 ⁇ g / L spectinomycin and selected.
- the vector thus prepared was named pCJ-MetA-CL.
- the strain produced by transforming the vector into a W3-BTJ strain was named W3-BTJ / pCJ-MetA-CL, and an increase in O-succinyl homoserine was observed.
- the metA was linked to the CJ1 promoter (CJ, Korea, Republic of Korea Patent No. 10-0620092) to the pCL1920 vector.
- CJ1 promoter CJ, Korea, Republic of Korea Patent No. 10-0620092
- Linked vectors were transformed into E. coli strains and cultured in LB medium containing 50 ⁇ g / L spectinomycin and selected.
- the vector thus prepared was named pCL-MetA-CL.
- the strain produced by transforming the vector into a W3-BTJ strain was named W3-BTJ / pCJ-MetA-CL, and an increase in O-succinyl homoserine was observed.
- Example 1-4-1 a PCR reaction was carried out in a similar manner to Example 1-4-1 using the primers of SEQ ID NOs: 11 and 12, using the chromosome of Leptospira meyeri as a template.
- the resulting PCR product was electrophoresed on 1.0% agarose gel, and then DNA was purified from a band of 1.1 kbp size.
- the recovered DNA fragment was linked to the CJ1 promoter in the pCL1920 vector.
- Linked vectors were transformed into E. coli and cultured in LB medium containing 50 ⁇ g / L spectinomycin and selected.
- the vector thus prepared was named pCJ1-MetXlme-CL.
- the strain produced by transforming the vector into a W3-BTJ strain was named W3-BTJ / pCJ-MetXlme-CL and an increase in O-acetyl homoserine was observed.
- PCR reactions were carried out in a similar manner to Example 1-4-1 using primers of SEQ ID NOs: 13 and 14, using a Corynebacterium chromosome as a template.
- the resulting PCR product was electrophoresed on a 1.0% agarose gel, after which the DNA was purified.
- the recovered DNA fragment was linked to the CJ1 promoter in the pCL1920 vector.
- Linked vectors were transformed into E. coli and cultured in LB medium containing 50 ⁇ g / L spectinomycin and selected.
- the vector thus prepared was named pCJMetXcgl-CL.
- the strain produced by transforming the vector into a W3-BTJ strain was named W3-BTJ / pCJ-MetXcgl-CL and an increase in O-acetyl homoserine was observed.
- metA a gene encoding homoserine O-succinyl transferase, was deleted in the W3-BTJ strain. Since only a certain amount of O-succinyl homoserine accumulates when metX was introduced, it was estimated that a greater amount of O-acetyl homoserine could be accumulated when metA was depleted (see Table 3).
- the FRT-one-step PCR deletion method was used to delete metA .
- a PCR reaction was performed by primers of SEQ ID NOs: 15 and 16 including a sequence having a homology with a part of E. coli-derived metA and a part of pKD3.
- the resulting PCR product was electrophoresed on a 1.0% agarose gel, followed by purification of DNA from a 1.2 kbp sized band.
- the recovered DNA fragments were electroporated to a W3-BTJ strain previously transformed with the pKD46 vector.
- the recovered strain was plated in LB plate medium containing chloramphenicol and cultured overnight at 37 ° C, and strains showing resistance were selected.
- the selected strains were identified as a defect of metA by PCR using the primers of SEQ ID NOs: 15 and 16 under the same conditions using the strains as templates, and confirming that the gene size was changed to 1.1 Kb on a 1.0% agarose gel. .
- the identified strains were transformed with pCP20 vector and cultured in LB medium.
- the final metA- deficient strains were reduced to 100 bp in size on 1.0% agarose gel by PCR under the same conditions, and chloramphenicol markers were prepared. It was confirmed that it was removed.
- the produced strain was named W3-BTJA.
- the strain produced by transforming the W3-BTJA strain with the pCJMetXlme-CL vector was named W3-BTJA / pCJ-MetX-CL.
- W3-BTJA / pCJ-MetX-CL The strain produced by transforming the W3-BTJA strain with the pCJMetXlme-CL vector was named W3-BTJA / pCJ-MetX-CL.
- O-acylhomoserine (O) in the same manner as 1-1) to 1-3) using E. coli CJM002 (Accession No . : KCCM-10568), an L-threonine producing strain with methionine requirement released. -acyl homoserine) strain was produced. The strain produced was CJM-BTJ.
- CJM-BTJ / pMetA-CL (Accession No .: KCCM-10767) and CJM-BTJ / pCJ-MetA-CL (Accession No .: KCCM-10872) were prepared.
- the CJM-BTJ / pMetA-CL strains and the CJM-BTJ (pCJ-MetA-CL) strains are Escherichia coli O-succinyl homoserine-producing strains, and are strains transformed to meet metB deficiency, thrB deficiency, metJ deficiency, or metA overexpression. .
- CJM-BTJ (pCJ-MetA-CL) is a strain using a CJ1 promoter as a method different from CJM-BTJ / pMetA-CL (Accession No .: KCCM-10767) strain for overexpression of metA .
- the strains of metX overexpression and metA deletion were prepared by the methods of 1-4-2) and 1-4-3), and the prepared strains were CJM-BTJA (pCJ-MetX- CL) (Accession No .: KCCM-10873).
- This strain is E. coli transformed with metB deficiency, thrB deficiency, metJ deficiency, metX overexpression, metA deficiency, and improved ability to produce O-acetyl-L-homoserine.
- the homoserine lactone obtained in Example 3 was put in a reactor, and denitrification was carried out at 100 ° C. to 500 ° C. using a catalyst having metals Pd, Pt and Ni Co supported by C or Silica and 10-100 bar of hydrogen gas. The reaction gave gamma-butyrolactone.
- Example 4 Using gamma-butyrolactone obtained in Example 4, it was dissolved in a solvent, and then subjected to an etherification reaction at 60 ° C. to 80 ° C. using a silane compound reducing agent under an indium bromide catalyst to carry out tetrahydrofuran.
- a silane compound reducing agent under an indium bromide catalyst to carry out tetrahydrofuran.
- gamma-butyrolactone (0.6 mmol), InBr 3 (10.6 mg, 0.0300 mmol) and triethylsilane (380 ⁇ L, 2.40 mmol) were added to 0.6 mL of a distilled chloroform solution in a vial container with a screw cap. It was added continuously and the vial container was sealed with a cap with a PTFE membrane. Continue stirring the reaction mixture at 60 ° C. and the solution discolors from colorless to yellow to orange. The reaction was monitored by gas chromatography until the gamma-butyrolactone of the starting material was consumed. After completion of the reaction, water (3 mL) was added and stirring was continued until the orange suspension disappeared.
- the aqueous phase was extracted with dichloromethane (15 mL), dried over anhydrous Na 2 SO 4 , and evaporated under reduced pressure.
- the gamma-butyrolactone obtained in Example 4 was used to synthesize N-methyl-2-pyrrolidone under various reaction conditions.
- N-methyl-2-pyrrolidone from gamma-butyrolactone using a microwave reactor N -methyl-2-pyrrolidone
- N-methyl-2-pyrrolidone can be obtained by reacting gamma-butyrolactone and methylamine in a microwave reactor at high temperature in a water solvent.
- N-vinyl-2-pyrrolidone was prepared by shearing and post-stage reaction using gamma-butyrolactone obtained in Example 4.
- reaction solution was distilled and purified to obtain N- (2-hydroxy ethyl) -2-pyrrolidone.
- Ethanol was reacted by hydrogenation in the presence of a catalyst comprising a first metal and a second metal, a silicon support and at least one support modifier using acetic acid produced as a by-product produced in Example 3-1). Prepared.
- Pt and Sn were used as the first metal and the second metal, and a SiO 2 -CaSiO 3 -Pt-Sn catalyst prepared using a SiO 2 support and CaSiO 2 as a support modifier.
- the hydrogenation reaction produced more than 600 g of ethanol per kg catalyst.
- Example 10 The ethanol obtained in Example 10 was added to a fixed-bed quartz reactor using a zeolite (ZSM-5) catalyst and reacted at 550 ° C. to prepare ethylene ( Catalysis, A: General , 2012 , 162-167).
- ZSM-5 zeolite
- Example 11 The ethylene gas obtained in Example 11 was reacted with Ziegler-Natta catalyst at 100 psi nitrogen gas at 50 ° C. for 20 minutes to prepare polyethylene (GB patent 1,406,282, 27 Jan 1972).
- Example 10 The ethanol obtained in Example 10 may be reacted with Na 2 PtCl 4 and Na 2 PtCl 6 catalysts to obtain monoethylene glycol ( J. Am. Chem. Soc., 1994 , 116 , 998-1003).
- the succinic acid prepared in Example 3-2) was used to prepare 1,4-butanediol by hydrogenation under a catalyst containing palladium, silver and rhenium metal on a carbon support.
- the catalyst preparation method to be used in the hydrogenation reaction is as follows.
- the catalysts to be used for the hydrogenation reaction were all prepared by wet impregnation.
- Tetraammineplatinum (II) nitrate, Palladium (II) nitrate, and Ruthenium (III) chloride hydrate were used as the noble metal precursors.
- Each of these precursors was placed in a 250 ml round flask with 1 g of pretreated commercial MCM-41 (Sigma Aldrich), followed by addition of excess water or acetone solvent, and a catalyst prepared using a rotary vacuum pump. .
- the prepared catalyst was dried in an oven at about 120 ° C. overnight, and all were reacted with hydrogen after being reduced to 5 hours at 450 ° C. before the reaction.
- Gamma-butyrolactone was prepared by dehydrogenation under a copper-zinc catalyst using 1,4-butanediol prepared in Example 14.
- Tetrahydrofuran was prepared by dehydration under a tungsten oxide catalyst supported on alumina using 1,4-butanediol prepared in Example 14.
- the autoclave was charged with 150 g of 1,4-butanediol and 15.0 g of tungstic acid (H 2 WO 4 ), and then heated at 200 ° C. under 1000 psi of hydrogen while stirring at 1000 rpm for 2 hours, yielding 112 g of Tetrahydrofuran was obtained.
- tungstic acid H 2 WO 4
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Abstract
Description
Claims (23)
- 미생물 유래의 O-아실호모세린(O-acyl homoserine)으로부터 산촉매 하에서 가수분해반응에 의해 바이오 유래 호모세린락톤(homoserine lactone) 및 바이오 유래 유기산을 제조하는 방법.
- 제1항에 있어서,O-아실호모세린(O-acyl homoserine)은 O-아세틸-L-호모세린 (O-Acetyl-L-homoserine) 또는 O-숙시닐-L-호모세린(O-succinyl-L-homoserine) 을 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 산촉매는 염산인 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 바이오 유래 유기산은 아세트산 또는 숙신산을 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 O-아실호모세린은 시스타치오닌 감마 신타아제 (cystathionine gamma synthase), O-숙시닐호모세린 설피하이드릴라제 또는 O-아세틸호모세린 설피하이드릴라제 의 활성이 제거 또는 약화된 미생물 유래인 것을 특징으로 하는 방법.
- 제5항에 있어서,상기 O-아세틸-L-호모세린은 추가로 호모세린 O-아세틸 트랜스퍼라아제(homoserine O-acetyl transferase)의 활성이 강화된 미생물 유래인 것을 특징으로 하는 방법.
- 제5항에 있어서,상기 O-숙시닐-L-호모세린은 추가로 O-숙시닐 트랜스퍼라아제의 활성이 강화된 미생물 유래인 것을 특징으로 하는 방법.
- 미생물 유래의 O-아실호모세린(O-acyl homoserine)으로부터 산촉매 하에서 가수분해반응에 의해 바이오 유래 호모세린락톤 및 유기산을 제조하는 단계; 상기 호모세린락톤으로부터 금속촉매와 수소가스의 존재하에서 탈질수소화반응으로 탈아민화하는 방법에 의해 감마-부티로락톤(gamma-butyrolactone)을 제조하는 단계;를 포함하는 감마-부티로락톤을 제조하는 방법.
- 미생물 유래의 O-아실호모세린(O-acyl homoserine)으로부터 산촉매 하에서 가수분해반응에 의해 바이오 유래 호모세린락톤 및 유기산을 제조하는 단계; 상기 호모세린락톤(homoserinelactone hydrochloride)으로부터 금속촉매와 수소가스를 이용하여 탈질수소화반응으로 탈아민화 하여 감마-부티로락톤을 제조하는 단계; 상기 감마-부티로락톤으로부터 브롬화인듐 촉매와 실란화합물의 존재하에서 에테르화반응에 의해 테트라하이드로퓨란(Tetrahydrofuran)을 제조하는 단계;를 포함하는 테트라하이드로푸란(Tetrahydrofuran)을 제조하는 방법.
- 미생물 유래의 O-아실호모세린(O-acyl homoserine)으로부터 산촉매 하에서 가수분해반응에 의해 바이오 유래 호모세린락톤 및 유기산을 제조하는 단계; 상기 호모세린락톤 으로부터 금속촉매와 수소가스를 이용하여 탈질수소화반응으로 탈아민화 하여 감마-부티로락톤을 제조하는 단계; 상기 감마-부티로락톤으로부터 암모니아 수용액의 존재하에서 2-피롤리돈(2-Pyrrolidone)을 제조하는 단계;를 포함하는 2-피롤리돈을 제조하는 방법.
- 미생물 유래의 O-아실호모세린으로부터 산촉매 하에서 가수분해반응에 의해 바이오 유래 호모세린락톤 및 유기산을 제조하는 단계; 상기 호모세린락톤으로부터 금속촉매와 수소가스를 이용하여 탈질수소화반응으로 탈아민화 하여 감마 부티로락톤을 제조하는 단계; 상기 감마-부티로락톤으로부터 액상의 메틸아민의 존재하에서 N-메틸-피롤리돈(N-methyl-2- pyrrolidone)을 제조하는 단계;를 포함하는 N-메틸-2-피롤리돈을 제조하는 방법.
- 미생물 유래의 O-아실호모세린(O-acyl homoserine)으로부터 산촉매 하에서 가수분해반응에 의해 바이오 유래 호모세린락톤 및 유기산을 제조하는 단계; 상기 호모세린락톤으로부터 금속촉매와 수소가스를 이용하여 탈질수소화반응으로 탈아민화하여 감마-부티로락톤을 제조하는 단계; 상기 감마-부티로락톤으로부터 액상의 에틸알콜 아민의 존재하에서 탈수반응에 의해 N-(2-하이드록시 에틸)-2-피롤리돈을 제조하는 전단반응 및 상기 N-(2-하이드록시 에틸)-2-피롤리돈으로부터 알카리 금속 또는 알카리토금속 및 규소를 함유하는 산화물 촉매의 존재하에서 탈수반응에 의해 N-비닐-2-피롤리돈(N-vinyl-2-pyrrolidone)을 제조하는 후단반응;을 포함하는 N-비닐-2-피롤리돈을 제조하는 방법.
- 미생물 유래의 O-아실호모세린(O-acyl homoserine)으로부터 산촉매 하에서 가수분해반응에 의해 바이오 유래 호모세린락톤) 및 유기산을 제조하는 단계; 상기 호모세린락톤으로부터 금속촉매와 수소가스를 이용하여 탈질수소화반응으로 탈아민화하여 감마-부티로락톤을 제조하는 단계; 상기 감마-부티로락톤으로부터 루테늄 촉매하에서 이미다졸 리간드와 수소화반응에 의해 1,4-부탄디올(1,4-butanediol)을 제조하는 단계;를 포함하는 1,4-부탄디올을 제조하는 방법.
- 미생물 유래의 O-아세틸-L-호모세린으로부터 산촉매 하에서 가수분해반응에 의해 바이오 유래 호모세린락톤과 바이오 유래 아세트산을 제조하는 단계; 상기 아세트산으로부터 제1금속, 규소질 지지체 및 하나 이상의 지지체 개질체를 포함하는 촉매의 존재 하에서 수소화반응에 의해 에탄올을 제조하는 단계;를 포함하는 에탄올을 제조하는 방법.
- 미생물 유래의 O-아세틸-L-호모세린으로부터 산촉매 하에서 가수분해반응에 의해 바이오 유래 호모세린락톤과 바이오 유래 아세트산을 제조하는 단계; 상기 아세트산으로부터 제1금속, 규소질 지지체 및 하나 이상의 지지체 개질체를 포함하는 촉매의 존재 하에서 수소화반응에 의해 에탄올을 제조하는 단계; 상기 에탄올로부터 제올라이트(ZSM-5) 촉매의 존재하에서 탈수반응에 의해 에틸렌을 제조하는 단계;를 포함하는 에틸렌을 제조하는 방법.
- 미생물 유래의 O-아세틸-L-호모세린으로부터 산촉매 하에서 가수분해반응에 의해 바이오 유래 호모세린락톤과 바이오 유래 아세트산을 제조하는 단계; 상기 아세트산으로부터 제1금속, 규소질 지지체 및 하나 이상의 지지체 개질체를 포함하는 촉매의 존재 하에서 수소화반응에 의해 에탄올을 제조하는 단계; 상기 에탄올로부터 불균일담지 촉매의 존재하에서 탈수반응에 의해 에틸렌을 제조하는 단계; 상기 에틸렌으로부터 Ziegler-Natta 촉매의 존재하에서 중합반응에 의해 폴리에틸렌을 제조하는 단계;를 포함하는 폴리에틸렌의 제조방법.
- 미생물 유래의 O-아세틸-L-호모세린으로부터 산촉매 하에서 가수분해반응에 의해 바이오 유래 호모세린락톤과 바이오 유래 아세트산을 제조하는 단계; 상기 아세트산으로부터 제1금속, 규소질 지지체 및 하나 이상의 지지체 개질체를 포함하는 촉매의 존재 하에서 수소화반응에 의해 에탄올을 제조하는 단계; 상기 에탄올로부터 백금계 촉매의 존재하에서 모노에틸렌 글리콜을 제조하는 단계를 포함하는 모노에틸렌글리콜의 제조방법.
- 미생물 유래의 O-숙시닐-L-호모세린으로부터 산촉매 하에서 가수분해반응에 의해 바이오 유래 호모세린락톤과 바이오 유래 숙신산을 제조하는 단계; 상기 숙신산으로부터 카본 지지체 상에 금속 촉매하에서 수소화반응(hydrogenation)에 의해 1,4-부탄디올을 제조하는 단계;를 포함하는 1,4-부탄디올의 제조방법.
- 제18항에 있어서,상기 숙신산으로부터 카본 지지체 상에 금속 촉매하에서 수소화반응(hydrogenation)에 의해 1,4-부탄디올을 제조하는 단계에서 부산물로 테트라하이드로푸란이 제조되는 것을 특징으로 하는 방법.
- 미생물 유래의 O-숙시닐-L-호모세린으로부터 산촉매 하에서 가수분해반응에 의해 바이오 유래 호모세린락톤과 바이오 유래 숙신산을 제조하는 단계; 상기 숙신산으로부터 카본 지지체 상에 금속 촉매하에서 수소화반응(hydrogenation)에 의해 1,4-부탄디올을 제조하는 단계; 상기 1,4-부탄디올로부터 구리-아연계 촉매하에서 탈수소반응에 의해 감마-부티로락톤을 제조하는 단계;를 포함하는 감마-부티로락톤을 제조하는 방법.
- 미생물 유래의 O-숙시닐-L-호모세린으로부터 산촉매 하에서 가수분해반응에 의해 바이오 유래 호모세린락톤과 바이오 유래 숙신산을 제조하는 단계; 상기 숙신산으로부터 MCM-41을 전처리 한 후에 귀금속인 플라티넘, 팔라듐, 루세늄 금속의 촉매하에서 수소화반응에 의해 감마-부티로락톤과 테트라하이드로퓨란으로 제조하는 단계를 포함하는 감마-부티로락톤 및 테트라하이드로퓨란의 제조방법
- 미생물 유래의 O-숙시닐-L-호모세린으로부터 산촉매 하에서 가수분해반응에 의해 바이오 유래 호모세린락톤과 바이오 유래 숙신산을 제조하는 단계; 상기 숙신산으로부터 카본 지지체 상에 금속 촉매하에서 수소화반응에 의해 1,4-부탄디올을 제조하는 단계; 1,4-부탄디올로부터 무기산, 텅스텐 산화물, 철인산염 중 선택되는 하나의 촉매하에서 탈수반응에 의해 테트라하이드로푸란을 제조하는 단계;를 포함하는 테트라하이드로푸란을 제조하는 방법.
- 미생물 유래의 O-숙시닐-L-호모세린으로부터 산촉매 하에서 가수분해반응에 의해 바이오 유래 호모세린락톤과 바이오 유래 숙신산을 제조하는 단계; 상기 숙신산으로부터 카본 지지체 상에 금속 촉매하에서 수소화반응(hydrogenation)에 의해 1,4-부탄디올을 제조하는 단계; 상기 1,4-부탄디올로부터 구리-아연계 촉매하에서 탈수소반응에 의해 감마-부티로락톤을 제조하는 단계; 상기 감마-부티로락톤으로부터 액상의 메틸아민을 첨가하여 탈수반응에 의해 N-메틸-피롤리돈(N-methyl-2- pyrrolidone)을 제조하는 단계;를 포함하는 N-메틸-2-피롤리돈(N-methyl-2-pyrrolione)을 제조하는 방법.
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