CN106086151A - 6 aminopenicillanic acids and preparation method thereof - Google Patents

6 aminopenicillanic acids and preparation method thereof Download PDF

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Publication number
CN106086151A
CN106086151A CN201610425622.8A CN201610425622A CN106086151A CN 106086151 A CN106086151 A CN 106086151A CN 201610425622 A CN201610425622 A CN 201610425622A CN 106086151 A CN106086151 A CN 106086151A
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apa
potassium
preparation
stripping agent
potassium carbonate
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燕立兵
燕立波
张明鹤
杨生晋
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Anhui Sai Nuo Pharmaceutical Co Ltd
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Anhui Sai Nuo Pharmaceutical Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P37/00Preparation of compounds having a 4-thia-1-azabicyclo [3.2.0] heptane ring system, e.g. penicillin
    • C12P37/06Preparation of compounds having a 4-thia-1-azabicyclo [3.2.0] heptane ring system, e.g. penicillin by desacylation of the substituent in the 6 position
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D499/00Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C07D499/21Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with a nitrogen atom directly attached in position 6 and a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2
    • C07D499/42Compounds with a free primary amino radical attached in position 6

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  • Chemical Kinetics & Catalysis (AREA)
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  • General Chemical & Material Sciences (AREA)
  • Biotechnology (AREA)
  • Health & Medical Sciences (AREA)
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  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
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  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

The preparation method of a kind of 6 aminopenicillanic acids (6 APA), directly uses the potassium carbonate anti-stripping agent of benzylpenicillin potassium to produce.The molecular formula of described 6 APA is C8H12N2O3S, and molecular weight is 216.26.Use this kind of technique can save crystallisation step, it is to avoid crystallization yield loses.In the technical process of the present invention, penicillin menstruum extraction, washing process are optimized.Present invention employs advanced preparation technology, have higher yields and lower cost.

Description

6-amino-penicillanic acid and preparation method thereof
Technical field
The present invention relates to a kind of penicillin, a kind of 6-amino-penicillanic acid using advanced technologies and preparation side thereof Method and purposes.
Background technology
Amoxicillin is a kind of the most frequently used penicillins wide spectrum beta-lactam antibiotic, for a kind of white powder, and half The phase of declining is about 61.3 minutes.Tool bacteriolysis, cures mainly the bacterial infection caused by susceptible microorganisms.The most steady Fixed, gastrointestinal absorption rate reaches 90.Amoxicillin bactericidal action is strong, and the ability of penetration cell wall is the strongest.It is that application is the widest at present One of general oral penicillin, its preparation has capsule, tablet, granule, dispersible tablet etc..
6-amino-penicillanic acid (6-APA) is the important intermediate producing amoxicillin.6-amino-penicillanic acid (6-APA) Also referred to as unprotected side chain penicillin, its molecular formula is C8H12N2O3S, and molecular weight is 216.26.6-APA not only can be used to produce Ah Amdinocillin, it is possible to produce the multiple antibiotic ammonia benzyl sodium such as resistance to penicillin class antibiotic, such as ammonia benzyl sodium that narrow.Resist in penicillins Important role in the raw element manufacturing.
Produce the enzyme catalysis cracking process of 6-APA commonly used solid potassium salt of penicillin, this method technical maturity the most in the world But yield is relatively low, high expensive, organic solvent usage amount is relatively big simultaneously, and environmental protection aspect puts into more.
Summary of the invention
A kind of 6-amino-penicillanic acid of offer is provided, have employed advanced preparation technology, have higher Yield and lower cost.
Further object is that the preparation technology that a kind of 6-amino-penicillanic acid is provided, it is possible to increase yield, Reduce cost.Further object is that the 6-amino-penicillanic acid that a kind of above-mentioned employing advanced person preparation technology is provided Purposes, it is possible to increase yield, reduces cost.
According to one embodiment of present invention, a kind of 6-amino-penicillanic acid (6-APA), directly use the carbon of benzylpenicillin potassium Acid potassium anti-stripping agent is produced.
The molecular formula of described 6-APA is C8H12N2O3S, and molecular weight is 216.26.
The potassium carbonate anti-stripping agent of described benzylpenicillin potassium carries out enzymatic lysis reaction.
Described benzylpenicillin potassium is soluble in water, normal saline, glucose solution.Described benzylpenicillin potassium molecular formula is C16H17KN2O4S, molecular weight is 372.49, and molecular structure is
Described penicillinase cracking reaction can carry out catalytic pyrolysis with immobilized enzyme.
Described potassium carbonate anti-stripping agent makes to be extracted component and generates compound soluble in water.
Described potassium carbonate anti-stripping agent makes to be extracted component and generates the most water insoluble precipitation being also insoluble in organic facies.
The molecular structure of described 6-APA is
The molecular structure of described 6-APA is
According to one embodiment of present invention, the preparation method of a kind of 6-amino-penicillanic acid (6-APA), its feature exists In, comprise the following steps:
(1) benzylpenicillin potassium is immersed potassium carbonate anti-stripping agent;
(2) directly using the potassium carbonate anti-stripping agent of benzylpenicillin potassium to produce and obtain 6-APA, the molecular formula of described 6-APA is C8H12N2O3S, molecular weight is 216.26.
Described benzylpenicillin potassium is soluble in water, normal saline, glucose solution.Described benzylpenicillin potassium molecular formula is C16H17KN2O4S, molecular weight is 372.49, and molecular structure is
The potassium carbonate anti-stripping agent of described benzylpenicillin potassium carries out enzymatic lysis reaction.
Described penicillinase cracking reaction can carry out catalytic pyrolysis with immobilized enzyme.
Described potassium carbonate anti-stripping agent makes to be extracted component and generates compound soluble in water, or described potassium carbonate anti-stripping agent Make to be extracted component and generate the most water insoluble precipitation being also insoluble in organic facies.
According to one embodiment of present invention, the 6-amino-penicillanic acid (6-of a kind of above-mentioned employing advanced person preparation technology APA) multiple Penicillin antibiotics can be produced.
Described 6-APA has certain bacteriostasis, can introduce different side chains, and obtain the penicillin of various different drug effect.
The present invention directly uses the potassium carbonate anti-stripping agent of benzylpenicillin potassium to carry out enzymatic lysis reaction and produces 6-APA.Use this Plant technique and can save crystallisation step, avoid crystallization yield to lose.
Lacking crystal refining technique and be likely to result in the reduction of 6-APA productivity and Quality Down, in RB liquid, butyl acetate is residual simultaneously Allowance is relatively big, may affect the activity of immobilized enzyme.In the technical process of the present invention, to penicillin menstruum extraction, washing process It is optimized.
Accompanying drawing explanation
Fig. 1 is the preparation technology schematic flow sheet according to one embodiment of the invention.
Fig. 2 is the preparation technology flow process schematic arrangement according to one embodiment of the invention.
Fig. 3 is the preparation technology flow chart according to one embodiment of the invention.
Detailed description of the invention
6-amino-penicillanic acid (6-APA) is also referred to as unprotected side chain penicillin, and its molecular formula is C8H12N2O3S, and molecular weight is 216.26。
According to one embodiment of present invention, the structural formula of a kind of 6-amino-penicillanic acid (6-APA) is as shown below:
Produce at present the enzyme catalysis cracking process of 6-APA commonly used solid potassium salt of penicillin, this method technical maturity but yield Relatively low, high expensive.
Fig. 3 is the preparation technology flow chart according to one embodiment of the invention.Seeing Fig. 3, the present invention directly uses penicillium sp The potassium carbonate anti-stripping agent of element potassium carries out enzymatic lysis and reacts the technique producing 6-APA.Catalytic pyrolysis is carbonium ion reaction mechanism Result coefficient with radical reaction mechanism.Employing enzyme catalysis cracks, and enzyme can accelerate or slow down the effect of chemical reaction.This Invention facilitates catalytic pyrolysis by enzyme, makes the carbonium ion of infiltration benzylpenicillin potassium in potassium carbonate anti-stripping agent participate in anti- Should, response speed can be accelerated to a certain extent.
Benzylpenicillin potassium has another name called Kaifeng penicillin, and its this product is white crystal powder, odorless or micro-have specificity smelly, has moisture absorption Property.Benzylpenicillin potassium is soluble in water, normal saline, glucose solution.Aqueous solution is placed in room temperature and was easily lost efficacy, and meets acid, alkali, oxidant Deng inefficacy rapidly.Molecular formula is C16H17KN2O4S, and molecular weight is 372.49.
When using solid potassium salt of penicillin to produce 6-APA, solid potassium salt of penicillin first dissolves in a liquid, needs crystallization Just can complete to generate.
And the present invention is compared with current technology, the potassium carbonate anti-stripping agent of benzylpenicillin potassium is directly used to carry out enzymatic lysis reaction Produce 6-APA.Using this kind of technique can save crystallisation step, after crystallization is the saturated solution cooling of heat, solute is with crystal Form separates out.Use this technique of the present invention, this process of crystallisation step can be saved, it is to avoid the crystallization yield of about 10% Loss.
The present invention uses the potassium carbonate anti-stripping agent of benzylpenicillin potassium.
So-called extraction utilize exactly material in two kinds of immiscible solvents distribution ratio difference to reach separating and extracting Liquid.Utilize solute difference of dissolubility in immiscible solvent, with a kind of solvent, solute is formed from another solvent The operational approach extracted in solution.Contrary with extraction process, extract returns the process of aqueous phase from organic facies.Back extraction Process is an important step in solvent extraction and separation technology flow process.Back extraction can be by organic facies, each is extracted component one by one Back extraction, to aqueous phase, makes to be separated by separation component;Also once organic facies can will be extracted component back extraction to aqueous phase.
According to one embodiment of present invention, using the potassium carbonate anti-stripping agent of benzylpenicillin potassium, benzylpenicillin potassium is through potassium carbonate Anti-stripping agent solvent extraction and separation, by extraction component back extraction to aqueous phase from organic facies.
Potassium carbonate is white crystalline powder.Density 2.428g/cm3, fusing point 891 DEG C, decomposes during boiling point, relative molecular weight 138.21.Potassium carbonate is dissolved in water, and aqueous solution is alkalescence, insoluble in ethanol, acetone and ether.Hygroscopicity is strong, exposes in atmosphere Energy absorbing carbon dioxide and moisture, be changed into potassium bicarbonate, should pack.Hydrate has a water thing, two water things, three water things. Wet chemical is alkalescence.
Through back extraction and gained strip liquor after processing further, just obtain the finished product of separated object.Stripped Journey has simple, convenient to operate and that the cycle is short feature.Potassium carbonate anti-stripping agent makes to be extracted component and generates chemical combination soluble in water Thing, or generate the most water insoluble precipitation being also insoluble in organic facies.
The present invention directly uses the potassium carbonate anti-stripping agent of benzylpenicillin potassium to carry out enzymatic lysis reaction and produces 6-APA.Use this Plant technique and can save crystallisation step, avoid crystallization yield to lose.
But, lack crystal refining technique and be likely to result in the reduction of 6-APA productivity and Quality Down, acetic acid fourth in RB liquid simultaneously Ester (BA) residual quantity is relatively big, may affect the activity of immobilized enzyme.
The problem being likely to result in the aspects such as the reduction of 6-APA productivity and Quality Down owing to lacking crystal refining technique, this Bright extractive technique is carried out comprehensive optimization.According to one embodiment of present invention, in technical process, to penicillin menstruum Extraction, washing process are optimized, and filter out the pH value control point 5-7 that extraction process is optimal, and reasonably filtrate and vinegar The ratio of acid butyl ester, the butyl acetate extract (first BA) of water-washing process benzylpenicillin and the ratio of water are 2:1.
Fig. 1 is the preparation technology schematic flow sheet of the embodiment of the present invention.See Fig. 1, the preparation technology flow process of the present invention with Benzylpenicillin potassium is raw material, by the salt that dissociates, is layered, becomes, be dried etc. a series of operation prepare respectively.Then by them according to one Fixed ratio quantitatively mixes to prepare.In preparation technology of the present invention, benzylpenicillin potassium is at potassium carbonate anti-stripping agent, by washing, shape Become stock solution, form 6-APA through penicillinase cracking.According to one embodiment of present invention, wherein, penicillinase cracking is permissible Catalytic pyrolysis is carried out with immobilized enzyme.The many poly chains of enzyme catalysis are from internal or end cracking.After refined, directly prepare 6- APA。
According to one embodiment of present invention, according to the preparation technology of Fig. 1, sand spore makes single bacterium colony, then makes tiltedly Face spore, Semen setariae spore, obtain seed culture fluid, then make fermentation liquid, be made into penicillin filtrate, obtain solvent extraction liquid BA, Make washing BA again, be made into RB stock solution, add penicillin immobilized enzyme, crack through penicillin immobilized enzyme, finally obtain 6- APA。
Use freezing and activated carbon decolorizing technique to control to wash BA color level, reduce organic heteroacid and macromolecule egg in BA liquid White content, to ensure the quality of final products, adjusts the concentration in K2_CO_3 anti-stripping agent, increases decompression co-boiling distiling unit To reduce the butyl acetate content in RB liquid.
6-amino-penicillanic acid (6-APA) is also referred to as unprotected side chain penicillin, and its molecular formula is C8H12N2O3S, and molecular weight is 216.26。
According to one embodiment of present invention, the structural formula of a kind of 6-amino-penicillanic acid (6-APA) is as follows:
Such as methyl CH3 in 6-APA molecular structural formula is side chain.6-APA has certain bacteriostasis, can introduce difference Side chain, and obtain the penicillin of various different drug effect.
According to one embodiment of present invention, see Fig. 2, benzylpenicillin potassium is immersed in potassium carbonate anti-stripping agent, its point by figure Minor is
Adding PCl3 wherein, form intermediate product 1, its molecular formula is
Obtained intermediate product 1 adds PCl5, forms intermediate product 2, and its molecular formula is
Obtained intermediate product 2 adds n-C4H9OH, forms intermediate product 3, and its molecular formula is
Obtained intermediate product 3, through hydrolysis, can obtain
I.e. 6-APA.
6-APA fusing point is 208~209 DEG C, and character is white crystal.6-APA is slightly soluble in water, insoluble in general organic molten Agent.Alkaline solution can be dissolved in.
The invention discloses the straight-through technique of complete set, and be applied in industrialized production, make benzylpenicillin potassium carry Taking total recovery and bring up to 90%, 6-APA productivity and quality are identical with prior synthesizing method, and production cost significantly declines simultaneously, Obtain considerable economic benefit and significant social benefit.
Meanwhile, the production technology commonly used solid potassium salt of penicillin of existing 6-APA, organic solvent usage amount is relatively big, ring Guarantor's aspect puts into more.The present invention directly uses the potassium carbonate anti-stripping agent of benzylpenicillin potassium to carry out enzymatic lysis reaction and produces 6-APA Technique, it is possible to reduce solvent consumption, production cost is greatly reduced.
Embodiment one
Proportioning raw materials:
Using benzylpenicillin potassium, infiltration is in potassium carbonate anti-stripping agent.Benzylpenicillin potassium has another name called Kaifeng penicillin, and its this product is white Crystallographic powder, odorless or micro-have specificity smelly, there is hygroscopicity.
According to one embodiment of present invention, raw material can use precision to weigh, and " precision weighs " means that weighing weight answers Accurately to the one thousandth of weighed weight." precision measures " means that the accuracy measuring volume should meet in national standard this The required precision of volume pipet.
The present invention directly uses the potassium carbonate anti-stripping agent of benzylpenicillin potassium to carry out enzymatic lysis reaction and produces 6-APA.Penicillin The carbonium ion of potassium participates in reaction, can accelerate response speed to a certain extent.Penicillinase cracking can be with immobilized enzyme Carry out catalytic pyrolysis.The many poly chains of enzyme catalysis are from internal or end cracking.
The butyl acetate extract (first BA) of water-washing process benzylpenicillin and the ratio of water are 2:1.
Through subtractive process, such as by dissociating, be layered, become salt, a series of operation such as be dried and prepare 6-amino penicillium sp Alkanoic acid (6-APA).6-amino-penicillanic acid (6-APA) is also referred to as unprotected side chain penicillin, and its molecular formula is C8H12N2O3S, molecule Amount is 216.26.
According to one embodiment of present invention, the structural formula of a kind of 6-amino-penicillanic acid (6-APA) is as follows:
According to one embodiment of present invention, there is the 6-APA of molecular structure as implied above, different sides can be introduced Chain, and obtain the penicillin of various different drug effect.
Embodiment two
According to another embodiment of the invention, generation has the 6-APA of molecular structure as follows
6-APA can introduce different side chains, and obtains the penicillin of various different drug effect.

Claims (8)

1. the preparation method of a 6-amino-penicillanic acid (6-APA), it is characterised in that comprise the following steps:
(1) benzylpenicillin potassium is immersed potassium carbonate anti-stripping agent;
(2) directly use the potassium carbonate anti-stripping agent of benzylpenicillin potassium to produce and obtain 6-APA.
2. preparation method as claimed in claim 1, it is characterised in that extraction process pH value controls at 5-7.
3. preparation method as claimed in claim 1, it is characterised in that also include water-washing process, the 6-that will obtain in step (2) APA washes, in rinsing solution: butyl acetate extract is 2:1 with the ratio of water.
4. preparation method as claimed in claim 1, the molecular formula of described 6-APA is C8H12N2O3S, and molecular weight is 216.26, Described benzylpenicillin potassium is soluble in water, normal saline, glucose solution, and described benzylpenicillin potassium molecular formula is C16H17KN2O4S, point Son amount is 372.49, and molecular structure is
5. preparation method as claimed in claim 1, the potassium carbonate anti-stripping agent of described benzylpenicillin potassium carries out enzymatic lysis reaction, institute Stating penicillinase cracking reaction can be with immobilized enzyme to carry out catalytic pyrolysis.
6. preparation method as claimed in claim 1, described potassium carbonate anti-stripping agent makes to be extracted component and generates change soluble in water Compound, or described potassium carbonate anti-stripping agent makes to be extracted component and generates the most water insoluble precipitation being also insoluble in organic facies.
7. 6-APA as claimed in claim 1, the molecular structure of described 6-APA is
8. 6-APA as claimed in claim 1, the molecular structure of described 6-APA is
CN201610425622.8A 2016-06-14 2016-06-14 6 aminopenicillanic acids and preparation method thereof Pending CN106086151A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109535179A (en) * 2017-09-22 2019-03-29 联邦制药(内蒙古)有限公司 A kind of improved 6-APA extracting method

Citations (2)

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Publication number Priority date Publication date Assignee Title
CN101058824A (en) * 2006-04-21 2007-10-24 北京化工大学 Immobilized enzyme biological catalyst, preparation method and application
CN102925526A (en) * 2012-11-23 2013-02-13 华北制药河北华民药业有限责任公司 Preparation method for 6-amino penicillanic acid

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101058824A (en) * 2006-04-21 2007-10-24 北京化工大学 Immobilized enzyme biological catalyst, preparation method and application
CN102925526A (en) * 2012-11-23 2013-02-13 华北制药河北华民药业有限责任公司 Preparation method for 6-amino penicillanic acid

Non-Patent Citations (1)

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Title
赵自成: "6-氨基青霉烷酸(6-APA)生产工艺研究", 《中国优秀硕士学位论文全文数据库工程科技I辑》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109535179A (en) * 2017-09-22 2019-03-29 联邦制药(内蒙古)有限公司 A kind of improved 6-APA extracting method
CN109535179B (en) * 2017-09-22 2020-05-22 联邦制药(内蒙古)有限公司 Improved 6-APA extraction method

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Application publication date: 20161109