CN111592576A - Treatment method of butanol crystallization mother liquor of lincomycin hydrochloride - Google Patents

Treatment method of butanol crystallization mother liquor of lincomycin hydrochloride Download PDF

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CN111592576A
CN111592576A CN202010391598.7A CN202010391598A CN111592576A CN 111592576 A CN111592576 A CN 111592576A CN 202010391598 A CN202010391598 A CN 202010391598A CN 111592576 A CN111592576 A CN 111592576A
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phosphate
edta
mother liquor
lincomycin
solid
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CN111592576B (en
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张宏周
刘俭国
朱德育
赖珅
刘守强
陈中刚
张增辉
李磊
谢书琴
王雪洁
王鑫
张锐
鲍金庆
李华
孟新梅
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Topfond Pharma Co ltd
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H15/00Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
    • C07H15/02Acyclic radicals, not substituted by cyclic structures
    • C07H15/14Acyclic radicals, not substituted by cyclic structures attached to a sulfur, selenium or tellurium atom of a saccharide radical
    • C07H15/16Lincomycin; Derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H1/00Processes for the preparation of sugar derivatives
    • C07H1/06Separation; Purification

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Abstract

The invention discloses a method for treating butanol crystallization mother liquor of lincomycin hydrochloride, which comprises the following steps: (1) adding any one of EDTA, EDTA salt or phosphate into butanol crystallization mother liquor of lincomycin hydrochloride, adding water, and adjusting the pH value to 7.0-11.0 by using an alkaline solution; standing for layering to obtain supernatant and lower turbid liquid, and separating; (2) carrying out centrifugal separation on the turbid liquid to obtain liquid and solid; the supernatant is used for recovering lincomycin hydrochloride; and drying the solid, directly discarding the solid generated by EDTA and EDTA salt, and using the solid generated by phosphate for fermentation production of lincomycin. The method can separate protein substances from the butanol crystallization mother liquor of the lincomycin hydrochloride, the lincomycin hydrochloride content of the processed mother liquor is not reduced, and the processed butanol crystallization mother liquor is directly concentrated and crystallized or subjected to other processing, so that the lincomycin hydrochloride in the mother liquor is easy to recover, and the generated dried solid can be used for lincomycin fermentation production if phosphate is used.

Description

Treatment method of butanol crystallization mother liquor of lincomycin hydrochloride
Technical Field
The invention relates to the technical field of pharmacy, in particular to a method for treating butanol crystallization mother liquor of lincomycin hydrochloride.
Background
Lincomycin, also called Lincomycin (Lincomycin) abroad, also called Lincomycin, is a lincomamine-type alkaline antibiotic produced by Streptomyces lincolnensis of Streptomyces lincolnensis. Lincomycin and a downstream product Clindamycin (Clindamycin) which is chemically semi-synthesized by lincomycin are high-efficiency broad-spectrum antibiotics which are widely applied in clinic for many years and have obvious curative effects, the action of the Clindamycin is similar to that of erythromycin, skin test is not needed, the effects on gram-positive bacteria and gram-negative bacteria are strong, and the Clindamycin is used for osteomyelitis, septicemia, infection of respiratory systems and soft tissues and the like. The product has strong penetration capability to bones, and is a preferred good medicine for osteomyelitis.
Lincomycin hydrochloride (molecular formula: C)18H34N2O6S·HCl·H2O), its molecular weight is 461.02, molecular structural formula as follows. The lincomycin hydrochloride butanol crystallization utilizes the azeotropic principle of butanol and water, and comprises the following specific steps: decolorizing lincomycin hydrochloride back extraction liquid, adding butanol of 3-5 times, heating to 60-65 deg.c in vacuum state for boiling distillation, and cooling to crystallize. And (3) carrying out solid-liquid separation after the lincomycin hydrochloride butanol is crystallized to obtain butanol mother liquor, wherein the mother liquor contains lincomycin hydrochloride of not less than 3mg/ml, a small amount of water, residual protein substances and trace inorganic salts.
Figure BDA0002486001450000021
The lincomycin hydrochloride in the mother liquor is generally recovered by adopting re-concentration crystallization or entering a solvent extraction back-extraction procedure. Because the lincomycin hydrochloride butanol crystallization mother liquor contains the protein substances, the lincomycin hydrochloride butanol crystallization mother liquor is difficult to treat by any method in the prior art, and the protein substances cause great influence in various recovery treatment processes of the mother liquor, so that the recovery rate of the lincomycin hydrochloride is very low, and the product quality cannot be ensured.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a method for treating a butanol crystallization mother liquor of lincomycin hydrochloride, which can directly concentrate and crystallize the butanol crystallization mother liquor of the lincomycin hydrochloride, and dry a solid generated by separation and then use the solid for fermentation production of the lincomycin.
In order to achieve the aim, the invention provides a method for treating a butanol crystallization mother liquor of lincomycin hydrochloride, which comprises the following steps:
(1) adding any one of EDTA, EDTA salt or phosphate into butanol crystallization mother liquor of lincomycin hydrochloride, then adding water, and adjusting the pH value to 7.0-11.0 by using alkaline solution, wherein the volume ratio of the butanol crystallization mother liquor to the EDTA, the EDTA salt or the phosphate is 100:1-8, and the volume ratio of the butanol crystallization mother liquor to the water is 1: 0.2-1; stirring uniformly, standing for layering to obtain a supernatant and a lower-layer turbid liquid, and then separating; (2) centrifugally separating the separated turbid liquid to obtain liquid and solid, and directly discarding the solid generated by EDTA and EDTA salt; the supernatant is used for recovering lincomycin hydrochloride; (3) and (3) drying the solid obtained in the step (2), and using the dried solid for fermentation production of lincomycin.
The EDTA, EDTA salt or phosphate and inorganic and organic impurities in the mother liquor form a complex or a polymer to form precipitate, and the EDTA, EDTA salt or phosphate is easy to obtain and can be reused subsequently. Since impurities remaining in the mother liquor are all acid-soluble, the pH is adjusted to 7.0 to 11.0 using an alkaline solution, but if the alkalinity exceeds the pH of 11.0, the target active substance is degraded.
In a preferred embodiment, the EDTA salt is EDTA sodium salt.
In a preferred embodiment, the phosphoric acid is one selected from potassium phosphate salts and sodium phosphate salts.
In a preferred embodiment, the potassium phosphate salt is any one selected from the group consisting of potassium dihydrogen phosphate, dipotassium hydrogen phosphate and potassium phosphate.
In a preferred embodiment, the sodium phosphate salt is selected from any one of sodium dihydrogen phosphate, disodium hydrogen phosphate, and sodium phosphate.
In a preferred embodiment, the phosphate is a saturated phosphate solution.
In a preferred embodiment, the volume ratio of the butanol crystallization mother liquor to EDTA, EDTA salt or phosphate is 100: 2-5; preferably, the volume ratio of the butanol crystallization mother liquor to EDTA, EDTA salt or phosphate is 100: 3-4.
In a preferred embodiment, in step (1), the pH is 7.5 to 9.5.
In a preferred embodiment, the supernatant is further treated 1 to 2 times in the step (1).
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the butanol crystallization mother liquor of the lincomycin hydrochloride is pretreated by using substances such as phosphate, EDTA and the like, protein substances can be separated from the butanol crystallization mother liquor of the lincomycin hydrochloride, the lincomycin hydrochloride content of the mother liquor after treatment is not reduced, and the butanol crystallization mother liquor after treatment can be directly concentrated and crystallized or subjected to other treatments, so that the lincomycin hydrochloride in the mother liquor is simply recovered, and the quality of the obtained lincomycin hydrochloride product meets the quality requirement of new pharmacopoeia; using phosphate treatment, the dried solids produced by the process contain primarily phosphate and proteinaceous matter, and can be used in lincomycin fermentation production in place of phosphate in the culture medium, such as potassium dihydrogen phosphate.
Detailed Description
The following detailed description of specific embodiments of the invention is provided, but it should be understood that the scope of the invention is not limited to the specific embodiments.
Example 1
The treatment method of the butanol crystallization mother liquor of lincomycin hydrochloride comprises the following steps:
(1) adding 200ml of saturated sodium phosphate into 10000ml of butanol crystallization mother liquor of lincomycin hydrochloride, then adding 5000ml of water, and then adjusting the pH value to 8.4 by using sodium hydroxide; fully and uniformly stirring, standing for 1 hour, layering to obtain a supernatant and a lower-layer turbid liquid, and then separating;
(2) carrying out centrifugal separation on the separated turbid liquid to obtain liquid and solid; detecting lincomycin hydrochloride in the supernatant by using a high performance liquid chromatography, wherein the detection result is shown as the lincomycin hydrochloride content in the mother liquor in the table 1, and the supernatant is used for recovering the lincomycin hydrochloride; and
(3) drying the solid obtained in the step (2), drying the solid in an oven at 95 ℃ and normal pressure in a small trial run, drying the solid in a boiling drying mode in production, determining the content of phosphorus in the dried solid by adopting a molybdenum blue method, determining the content of protein by adopting a formaldehyde method, and determining the detection results as shown in the content of phosphorus and protein in the recovered solid in table 2; and (3) then using the solid drying object with the detected phosphorus and protein contents for producing lincomycin by shaking flask fermentation, and using the liquid obtained in the step (2) for recovering butanol.
The method for producing lincomycin by shaking flask fermentation comprises the following steps:
control group: filling 50ml of prepared culture medium into a 500ml triangular flask, counting 20 bottles in total, wrapping the bottle mouth by eight layers of gauze, keeping the temperature of a sterilization pot at 121-; inoculating lincomycin strains into a shake flask for shake culture in a sterile room, wherein the rotation speed of the shake flask is 200 plus or minus 240rpm, the temperature is 30.0 +/-1.0 ℃, the humidity is 40-70%, and the culture time is 180 h; then, filtering, and detecting lincomycin hydrochloride by adopting a high performance liquid chromatography.
The mixing ratio of the shake flask fermentation culture medium is calculated according to the volume of each 1000 ml: 80g of glucose, 25g of soybean cake powder, 20g of starch, 6g of sodium chloride, 8g of ammonium sulfate, 8g of sodium nitrate, 8g of calcium carbonate, 0.5g of manganese chloride, 0.7g of magnesium sulfate and 0.4g of monopotassium phosphate.
Experimental groups: the shake flask fermentation adopts the same culture conditions as the control group, and adopts shake flasks 1, 2 and 3 for fermentation culture, the only difference is that: the proportion of the culture medium adopted when the solid dried substance is used for producing lincomycin by fermenting and shaking the flask is calculated according to the volume of each 1000ml as follows: 80g of glucose, 25g of soybean cake powder, 20g of starch, 6g of sodium chloride, 8g of ammonium sulfate, 8g of sodium nitrate, 8g of calcium carbonate, 0.5g of manganese chloride, 0.7g of magnesium sulfate and 0.4g of a solid dried product obtained in example 1. Namely, the experimental group used the recovered dried solid instead of potassium dihydrogen phosphate in the original culture medium. The results obtained are shown in Table 3 for the fermentation shake flask.
TABLE 1
Figure BDA0002486001450000051
According to the data, the lincomycin content is basically not lost before and after the treatment.
TABLE 2
Figure BDA0002486001450000052
TABLE 3
Figure BDA0002486001450000053
The results show that the obtained solid is used for producing lincomycin by shaking flask fermentation, can reach the control level, and can be used for producing lincomycin by fermentation.
Example 2
The treatment method of the butanol crystallization mother liquor of lincomycin hydrochloride comprises the following steps:
(1) adding 600ml of saturated sodium phosphate into 20000ml of butanol crystallization mother liquor of lincomycin hydrochloride, then adding 20000ml of water, and then adjusting the pH value to 9.0 by using sodium hydroxide; fully and uniformly stirring, standing for 1 hour, layering to obtain a supernatant and a lower-layer turbid liquid, and then separating;
(2) carrying out centrifugal separation on the separated turbid liquid to obtain liquid and solid; detecting lincomycin hydrochloride in the supernatant by using a high performance liquid chromatography, wherein the detection result is shown as the lincomycin hydrochloride content in the mother liquor in the table 4, and the supernatant is used for recovering the lincomycin hydrochloride; and
(3) drying the solid obtained in the step (2), drying the solid in an oven at 95 ℃ and normal pressure in a pilot plant, drying the solid in a boiling drying mode in production, determining the content of phosphorus in the dried solid by adopting a molybdenum blue method, determining the content of protein by adopting a formaldehyde method, and determining the detection results as shown in the content of phosphorus and protein in the recovered solid in a table 5; and (3) then using the solid drying object with the detected phosphorus and protein contents for producing lincomycin by shaking flask fermentation, and using the liquid obtained in the step (2) for recovering butanol.
The method for producing lincomycin by shaking flask fermentation comprises the following steps:
control group: filling 50ml of prepared culture medium into a 500ml triangular flask, counting 20 bottles in total, wrapping the bottle mouth by eight layers of gauze, keeping the temperature of a sterilization pot at 121-; inoculating lincomycin strains into a shake flask for shake culture in a sterile room, wherein the rotation speed of the shake flask is 200 plus or minus 240rpm, the temperature is 30.0 +/-1.0 ℃, the humidity is 40-70%, and the culture time is 180 h; then, filtering, and detecting lincomycin hydrochloride by adopting a high performance liquid chromatography.
The mixing ratio of the shake flask fermentation culture medium is calculated according to the volume of each 1000 ml: 80g of glucose, 25g of soybean cake powder, 20g of starch, 6g of sodium chloride, 8g of ammonium sulfate, 8g of sodium nitrate, 8g of calcium carbonate, 0.5g of manganese chloride, 0.7g of magnesium sulfate and 0.4g of monopotassium phosphate.
Experimental groups: the shake flask fermentation adopts the same culture conditions as the control group, and adopts shake flasks 1, 2 and 3 for fermentation culture, the only difference is that: the proportion of the culture medium adopted when the solid dried substance is used for producing lincomycin by fermenting and shaking the flask is calculated according to the volume of each 1000ml as follows: 80g of glucose, 25g of soybean cake powder, 20g of starch, 6g of sodium chloride, 8g of ammonium sulfate, 8g of sodium nitrate, 8g of calcium carbonate, 0.5g of manganese chloride, 0.7g of magnesium sulfate and 0.4g of a solid dried substance obtained in the example. Namely, the experimental group used the recovered dried solid instead of potassium dihydrogen phosphate in the original culture medium. The results obtained are shown in Table 6 for the fermentation flasks.
TABLE 4
Figure BDA0002486001450000071
According to the data, the lincomycin content is basically not lost before and after the treatment.
TABLE 5
Figure BDA0002486001450000072
TABLE 6
Figure BDA0002486001450000073
The results show that the obtained solid is used for producing lincomycin by shaking flask fermentation, can reach the control level, and can be used for producing lincomycin by fermentation.
Example 3
The treatment method of the butanol crystallization mother liquor of lincomycin hydrochloride comprises the following steps:
(1) adding 800ml of saturated sodium phosphate into 20000ml of butanol crystallization mother liquor of lincomycin hydrochloride, then adding 15000ml of water, and then adjusting the pH value to 7.5 by using sodium hydroxide; fully and uniformly stirring, standing for 1 hour, layering to obtain a supernatant and a lower-layer turbid liquid, and then separating;
(2) carrying out centrifugal separation on the separated turbid liquid to obtain liquid and solid; detecting lincomycin hydrochloride in the supernatant by using a high performance liquid chromatography, wherein the detection result is shown in the content of the lincomycin hydrochloride in the mother liquor in the table 7, and the supernatant is used for recovering the lincomycin hydrochloride; and
(3) drying the solid obtained in the step (2), drying the solid in an oven at 95 ℃ and normal pressure in a small trial run, drying the solid in a boiling drying mode in production, determining the content of phosphorus in the dried solid by adopting a molybdenum blue method, determining the content of protein by adopting a formaldehyde method, and determining the detection results as shown in the content of phosphorus and protein in the recovered solid in a table 8; and then the solid drying object with the detected phosphorus and protein contents is used for producing lincomycin by shaking flask fermentation.
The method for producing lincomycin by shaking flask fermentation comprises the following steps:
control group: filling 50ml of prepared culture medium into a 500ml triangular flask, counting 20 bottles in total, wrapping the bottle mouth by eight layers of gauze, keeping the temperature of a sterilization pot at 121-; inoculating lincomycin strains into a shake flask for shake culture in a sterile room, wherein the rotation speed of the shake flask is 200 plus or minus 240rpm, the temperature is 30.0 +/-1.0 ℃, the humidity is 40-70%, and the culture time is 180 h; then, filtering, and detecting lincomycin hydrochloride by adopting a high performance liquid chromatography.
The mixing ratio of the shake flask fermentation culture medium is calculated according to the volume of each 1000 ml: 80g of glucose, 25g of soybean cake powder, 20g of starch, 6g of sodium chloride, 8g of ammonium sulfate, 8g of sodium nitrate, 8g of calcium carbonate, 0.5g of manganese chloride, 0.7g of magnesium sulfate and 0.4g of monopotassium phosphate.
Experimental groups: the shake flask fermentation adopts the same culture conditions as the control group, and adopts shake flasks 1, 2 and 3 for fermentation culture, the only difference is that: the proportion of the culture medium adopted when the solid dried substance is used for producing lincomycin by fermenting and shaking the flask is calculated according to the volume of each 1000ml as follows: 80g of glucose, 25g of soybean cake powder, 20g of starch, 6g of sodium chloride, 8g of ammonium sulfate, 8g of sodium nitrate, 8g of calcium carbonate, 0.5g of manganese chloride, 0.7g of magnesium sulfate and 0.4g of a solid dried product obtained in example 1. Namely, the experimental group uses the recovered solid drying substance to proportionally replace the potassium dihydrogen phosphate in the original culture medium. The results obtained are shown in Table 9 for the fermentation flasks.
TABLE 7
Figure BDA0002486001450000091
According to the data, the lincomycin content is basically not lost before and after the treatment.
TABLE 8
Figure BDA0002486001450000092
TABLE 9
Figure BDA0002486001450000093
The results show that the obtained solid is used for producing lincomycin by shaking flask fermentation, can reach the control level, and can be used for producing lincomycin by fermentation.
Example 4
The treatment method of the butanol crystallization mother liquor of lincomycin hydrochloride comprises the following steps:
(1) adding 500ml of saturated EDTA into 10000ml of butanol crystallization mother liquor of lincomycin hydrochloride, then adding 10000ml of water, and then adjusting the pH value to 8.0 by using sodium hydroxide; fully and uniformly stirring, standing for 1 hour, layering to obtain a supernatant and a lower-layer turbid liquid, and then separating;
(2) carrying out centrifugal separation on the separated turbid liquid to obtain liquid and solid; detecting lincomycin hydrochloride in the supernatant by using a high performance liquid chromatography, wherein the detection result is shown in the content of the lincomycin hydrochloride in the mother liquor in the table 10, and the supernatant is used for recovering the lincomycin hydrochloride; the solids are discarded.
Watch 10
Figure BDA0002486001450000101
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims (10)

1. A treatment method of butanol crystallization mother liquor of lincomycin hydrochloride is characterized by comprising the following steps:
(1) adding any one of EDTA, EDTA salt or phosphate into butanol crystallization mother liquor of lincomycin hydrochloride, then adding water, and adjusting the pH value to 7.0-11.0 by using alkaline solution, wherein the volume ratio of the butanol crystallization mother liquor to the EDTA, the EDTA salt or the phosphate is 100:1-8, and the volume ratio of the butanol crystallization mother liquor to the water is 1: 0.2-1; stirring uniformly, standing for layering to obtain a supernatant and a lower-layer turbid liquid, and then separating;
EDTA, EDTA salt or phosphate forms a complex with inorganic and organic impurities in the mother liquor or polymer forms precipitates, and the EDTA, EDTA salt or phosphate is easy to obtain and can be reused subsequently.
Since impurities remaining in the mother liquor are all acid-soluble, the pH is adjusted to 7.0 to 11.0 using an alkaline solution, but if the alkalinity exceeds the pH of 11.0, the target active substance is degraded.
(2) Centrifugally separating the separated turbid liquid to obtain liquid and solid, and directly discarding the solid obtained by using EDTA \ EDTA salt; using phosphate, and entering the step (3).
(3) And (3) drying the solid obtained in the step (2), and using the dried solid for fermentation production of lincomycin.
2. The process according to claim 1, characterized in that the EDTA salt is EDTA sodium salt.
3. The method according to claim 1, wherein the phosphoric acid is one selected from potassium phosphate salts and sodium phosphate salts.
4. The method according to claim 3, wherein the potassium phosphate salt is any one selected from the group consisting of potassium dihydrogen phosphate, dipotassium hydrogen phosphate and potassium phosphate.
5. The method according to claim 3, wherein the sodium phosphate salt is any one selected from the group consisting of sodium dihydrogen phosphate, disodium hydrogen phosphate, and sodium phosphate.
6. The treatment process according to claim 1, characterized in that the phosphate is a phosphate saturated solution.
7. The process of claim 1, wherein the volume ratio of butanol crystallization mother liquor to EDTA, EDTA salt or phosphate is 100: 2-5; preferably, the volume ratio of the butanol crystallization mother liquor to EDTA, EDTA salt or phosphate is 100: 3-4.
8. The treatment process according to claim 1, characterized in that said alkaline solution is a sodium hydroxide solution.
9. The process according to claim 1, wherein in step (1), the pH is 7.5 to 9.5.
10. The process according to claim 1, wherein the supernatant is further treated 1 to 2 times by the above step (1).
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