CN114437148A - Preparation method of sodium salt or potassium salt of pharmaceutic adjuvant - Google Patents

Preparation method of sodium salt or potassium salt of pharmaceutic adjuvant Download PDF

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CN114437148A
CN114437148A CN202011208049.8A CN202011208049A CN114437148A CN 114437148 A CN114437148 A CN 114437148A CN 202011208049 A CN202011208049 A CN 202011208049A CN 114437148 A CN114437148 A CN 114437148A
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salt
potassium
sodium
sodium salt
pharmaceutic adjuvant
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CN114437148B (en
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燕立波
杜仲
王杰
陈鑫亮
金永华
刘宇
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Skyrun Pharma Co ltd
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H11/00Compounds containing saccharide radicals esterified by inorganic acids; Metal salts thereof
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H1/00Processes for the preparation of sugar derivatives
    • 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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  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention discloses a preparation method of sodium salt or potassium salt of a pharmaceutic adjuvant, wherein a calcium salt with low water solubility is selected to remove acid in a reaction system, and both the unreacted calcium salt and calcium sulfate generated by the reaction are slightly water-soluble compounds and can be removed by filtration or centrifugation, so that the influence of inorganic salt on the purity of a product is reduced. The pharmaceutical adjuvant prepared by the synthetic method has less sodium salt or potassium salt impurities and less cation residues, does not need further refining, avoids the need of refining for many times or passing through a cation resin column, reduces the complexity of operation, greatly reduces the production cost of enterprises and reduces the discharge of chemical wastes.

Description

Preparation method of sodium salt or potassium salt of pharmaceutic adjuvant
Technical Field
The invention relates to the field of pharmaceutical chemicals, in particular to a preparation method of a sodium salt or a potassium salt of a pharmaceutic adjuvant.
Background
Sucrose Esters (SE) are a generic name for a class of nonionic surfactants synthesized from sucrose and higher fatty acids, and are generally white to ivory-colored powdery, lumpy, waxy solids, or colorless to yellowish viscous or resinous liquids. Has no odor and peculiar smell, and has good emulsifying, dispersing, wetting, foaming and washing performances, and effects of viscosity regulation, aging prevention, crystallization prevention and the like. Is easily absorbed by human body, has no sensitization, and can be well compounded with many anionic, nonionic and amphoteric surfactants to reduce the irritation of those surfactants. SE has been recommended by the food and agriculture organization/world health organization (FAO/WHO) of the United nations as an efficient and safe food additive, and is widely applied to the fields of medicine, food, bioengineering, daily chemicals, agriculture and the like. The application of the compound is continuously developed, so the compound has huge market potential and extremely wide development prospect.
In the prior art, the sodium salt or the potassium salt of the pharmaceutic adjuvant needs to pass through a sodium type or potassium type resin column in the hitherto reported synthesis methods, and the sodium salt or the potassium salt of the pharmaceutic adjuvant with higher purity can be obtained only by passing through a cation resin column for multiple times, so the operation is complex and the production efficiency is low.
Patent US5447919 reports a method for synthesizing the pharmaceutical adjuvant. The research on the preparation of high-purity sucrose octaacetate was successfully synthesized in the journal of northwest university, vol.27, Qiuhua, 2005. The patent 200510200609 discloses a two-step method for directionally synthesizing sucrose-6-higher fatty acid monoester, and also specifically mentions that sucrose ester is widely used in the fields of chemical industry, medicine, food and the like.
Disclosure of Invention
The invention aims to solve the following problems in the prior art: in the prior art, during the preparation of the sodium salt or the potassium salt of the pharmaceutic adjuvant, the sodium salt or the potassium salt of the pharmaceutic adjuvant with higher purity can be obtained only by passing through a cationic resin column for many times, the operation is complex, and the production efficiency is low.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a preparation method of a sodium salt or a potassium salt of a pharmaceutic adjuvant comprises the following steps:
(1) adding calcium salt into the solution of the pharmaceutic adjuvant, controlling the reaction temperature, stirring for reaction, reacting the calcium salt with the solution to generate calcium sulfate slightly soluble in water, and filtering;
(2) adding a sodium salt or potassium salt aqueous solution into the filtrate prepared in the step (1), controlling the reaction temperature, stirring for reaction, reacting the sodium salt or potassium salt aqueous solution with the filtrate prepared in the step (1) to generate water-insoluble calcium salt, and filtering after the reaction is finished;
(3) controlling the temperature of the filtrate in the step (2), stirring for crystallization, filtering, and drying to obtain the sodium salt or the potassium salt of the pharmaceutic adjuvant.
Further, the method also comprises the following steps:
adding sucrose, sulfur trioxide-pyridine compound, 2-methylpyridine and dimethylformamide into a reaction vessel, stirring and mixing uniformly, heating to 60-65 ℃, stirring and reacting, cooling the system solution after the reaction is finished, and adding purified water to quench and react to obtain the solution of the pharmaceutic adjuvant.
The calcium salt used in the step (1) is at least one of calcium hydroxide, calcium oxide and calcium carbonate.
The molar ratio of the calcium salt to the pharmaceutical adjuvant food in the step (1) is 4-16.
In the step (1), the reaction temperature is controlled to be 0-60 ℃.
The stirring reaction time in the step (1) is 0.5-12 h.
In the step (2), the sodium salt is at least one of sodium carbonate, sodium sulfate, sodium silicate, sodium phosphate and sodium hydroxide; the potassium salt is at least one of potassium carbonate, potassium sulfate, potassium silicate, potassium phosphate and potassium hydroxide.
The molar ratio of the sodium salt or the potassium salt to the pharmaceutical auxiliary food in the step (2) is 4-16.
The reaction temperature in the step (2) is 0-60 ℃.
The stirring reaction time in the step (2) is 0.5-12 h.
And (4) controlling the temperature of the filtrate in the step (3) to be 0-60 ℃.
The stirring crystallization time in the step (3) is 0-24 h.
The chemical reaction equation of the invention is as follows:
Figure BDA0002757686860000031
the invention has the following beneficial effects:
(1) the method adopts an advanced process route, improves the reaction yield, reduces the energy consumption and the material cost, has mild conditions, convenient operation, high yield, no generation of any toxic and harmful substances, environmental protection, economy, suitability for commercial production and good market application prospect.
(2) The sodium salt or the potassium salt of the pharmaceutic adjuvant prepared by the method has high purity, excellent performance and high quality, meets the international industrial requirements, and can reach the international advanced level.
(3) The pharmaceutical adjuvant prepared by the process synthesis method has less sodium salt or potassium salt impurities and less cation residues, does not need further refining, avoids the need of refining for many times or passing through a cation resin column, reduces the complexity of operation, greatly reduces the production cost of enterprises and reduces the discharge of chemical wastes.
(4) In the preparation process, the calcium salt with low water solubility is selected to remove acid in a reaction system, unreacted calcium salt and calcium sulfate generated by reaction are all compounds which are slightly soluble in water, and the calcium salt can be removed by filtration or centrifugation, so that the influence of inorganic salt on the purity of the product is reduced. And secondly, selecting sodium salt or potassium salt which can generate insoluble calcium salt with calcium ions as raw materials, precipitating the calcium salt after reaction, and separating the calcium salt from the product to further improve the purity of the product.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following are specific examples:
example 1
1. 5g of sucrose, 20.92g of sulfur trioxide-pyridine compound, 20mL of 2-methylpyridine and 100mL of Dimethylformamide (DMF) are added into a 250mL four-mouth reaction bottle, the temperature is raised to 60-65 ℃, and the mixture is stirred and reacted for 4 hours.
2. Cooling the reaction system to 0-10 ℃, and adding 150mL of purified water to quench and react; controlling the temperature of the solution to be 0-10 ℃, adding 4.33g of calcium hydroxide in batches under stirring, keeping the temperature and stirring for reacting for 2 hours after the addition is finished.
3. Filtering, transferring the filtrate into a 500mL four-mouth reaction bottle, controlling the temperature to be 50-60 ℃, dropwise adding 20mL of solution of 9.35g of purified water dissolved sodium hydroxide while stirring, controlling the reaction temperature to be 50-60 ℃, keeping the temperature and stirring for reacting for 6 hours after dropwise adding.
4. Filtering, transferring the filtrate into a 500mL four-mouth reaction bottle, controlling the temperature to be 30-40 ℃, stirring, crystallizing for 16h, filtering, and drying to obtain 15.96g of white powdery solid, wherein the yield is as follows: 94.23 percent.
Example 2
1. 5g of sucrose, 20.92g of sulfur trioxide-pyridine compound, 20mL of 2-methylpyridine and 100mL of Dimethylformamide (DMF) are added into a 250mL four-mouth reaction bottle, the temperature is raised to 60-65 ℃, and the mixture is stirred and reacted for 4 hours.
2. And cooling the reaction system to 20-30 ℃, adding 150mL of purified water to quench and react, controlling the temperature of the solution to 20-30 ℃, adding 8.67g of calcium hydroxide in batches under stirring, preserving the temperature, stirring and reacting for 0.5 h.
3. Filtering, transferring the filtrate into a 500mL four-mouth reaction bottle, cooling to 20-30 ℃, dropwise adding 50mL of solution of sodium carbonate 15.48g dissolved in purified water while stirring, controlling the reaction temperature to be 20-30 ℃, keeping the temperature and stirring for reacting for 12 hours after dropwise adding.
4. Filtering, transferring the filtrate into a 500mL four-mouth reaction bottle, cooling to 0-10 ℃, filtering, and drying to obtain 16.12g of white powdery solid, wherein the yield is as follows: 95.17 percent.
Example 3
1. 5g of sucrose, 20.92g of sulfur trioxide-pyridine compound, 20mL of 2-methylpyridine and 100mL of Dimethylformamide (DMF) are added into a 250mL four-mouth reaction bottle, the temperature is raised to 60-65 ℃, and the mixture is stirred and reacted for 4 hours.
2. Cooling the reaction system to 50-60 ℃, adding 150mL of purified water to quench and react, controlling the temperature of the solution to 50-60 ℃, adding 13.11g of calcium oxide in batches under stirring, and keeping the temperature and stirring for reaction for 12 hours after the addition is finished.
3. Filtering, transferring the filtrate into a 500mL four-mouth reaction bottle, controlling the temperature to be 0-10 ℃, adding 12.11g of potassium carbonate in batches under stirring, controlling the reaction temperature to be 0-10 ℃, after dripping, keeping the temperature and stirring for reacting for 8 hours.
4. Filtering, transferring the filtrate into a 500mL four-mouth reaction bottle, controlling the temperature to be 10-20 ℃, stirring, crystallizing for 8 hours, filtering, and drying to obtain 18.19g of white powdery solid, wherein the yield is as follows: 96.72 percent.
Example 4
1. 5g of sucrose, 20.92g of sulfur trioxide-pyridine compound, 20mL of 2-methylpyridine and 100mL of Dimethylformamide (DMF) are added into a 250mL four-mouth reaction bottle, the temperature is raised to 60-65 ℃, and the mixture is stirred and reacted for 4 hours.
2. Cooling the reaction system to 50-60 ℃, adding 150mL of purified water to quench and react, controlling the temperature of the solution to be 40-50 ℃, adding 17.53g of calcium carbonate in batches under stirring, preserving the temperature and stirring to react for 10 hours after the addition is finished.
3. Filtering, transferring the filtrate into a 500mL four-mouth reaction bottle, cooling to 40-50 ℃, dropwise adding 20mL of a solution of 9.83g of purified water-soluble potassium hydroxide while stirring, controlling the reaction temperature to 40-50 ℃, keeping the temperature and stirring for reacting for 0.5h after dropwise adding.
4. Filtering, transferring the filtrate into a 500mL four-mouth reaction bottle, controlling the temperature to be 50-60 ℃, stirring, crystallizing for 4 hours, filtering, and drying to obtain 17.56g of white powdery solid, wherein the yield is as follows: 93.37 percent.
Example 5
1. 5g of sucrose, 20.92g of sulfur trioxide-pyridine compound, 20mL of 2-methylpyridine and 100mL of Dimethylformamide (DMF) are added into a 250mL four-mouth reaction bottle, the temperature is raised to 60-65 ℃, and the mixture is stirred and reacted for 4 hours.
2. Cooling the reaction system to 30-40 ℃, adding 150mL of purified water to quench the reaction, controlling the temperature of the solution to 30-40 ℃, adding 10.82g of calcium hydroxide in batches under stirring, preserving the temperature, stirring and reacting for 8 hours.
3. Filtering, transferring the filtrate into a 500mL four-mouth reaction bottle, controlling the temperature to be 30-40 ℃, dropwise adding 60mL of a solution of 8.30g of purified water-soluble sodium sulfate while stirring, controlling the reaction temperature to be 30-40 ℃, keeping the temperature and stirring for reacting for 2 hours after dropwise adding.
4. Filtering, transferring the filtrate into a 500mL four-mouth reaction bottle, controlling the temperature to be 20-30 ℃, stirring, crystallizing for 24 hours, filtering, and drying to obtain 15.76g of white powdery solid, wherein the yield is as follows: 93.05 percent.
The sodium salt or the potassium salt of the pharmaceutic adjuvant in the embodiment is detected, and the detection method comprises the following steps:
[ related substances ]
A chromatographic column: waters. mu. bondapak,3.9 mm. times.30 cm,10 μm
Column temperature: 30 deg.C
Flow rate: 1.0mL/min
Sample introduction volume: 50 μ L
Temperature of the sample pan: 15 deg.C
Operating time: 40minutes (the time of the main peak can be adjusted properly)
Refractive index detector temperature: 30 deg.C
Detector sensitivity: 256
And (3) an elution mode: isocratic elution
Preparing a test sample: precisely weighing 0.2g of sylvite of pharmaceutic adjuvant, placing the sylvite in a 20ml volumetric flask, and adding 20ml of mobile phase solution for dissolving;
preparation of a reference substance: accurately weighing 0.1g of potassium salt reference substance of USP pharmaceutic adjuvant, placing the reference substance into a 10ml measuring flask, adding the mobile phase, dissolving until scales are reached, and shaking up to obtain the product.
[ METAL ION ]
The instrument comprises the following steps: inductively coupled plasma mass spectrometer (Agilent 7800)
Carrier gas: argon (purity not less than 99.999%)
Mode (2): high matrix mode
The data analysis method comprises the following steps: full quantitative analysis
The determination method comprises the following steps: the standard curve method comprises the steps of measuring standard curve solutions with different concentrations under selected analysis conditions, taking response values as vertical coordinates, measuring concentrations as horizontal coordinates, drawing a standard curve, calculating a regression equation, enabling relevant linear data to be not less than 0.99, carrying out a blank test under the same analysis conditions, and eliminating blank interference.
Detection information table of sodium salt and potassium salt of pharmaceutic adjuvant
Figure BDA0002757686860000061
According to the detection data result information in the table above, the sodium salt or potassium salt product of the pharmaceutic adjuvant prepared by the synthesis process method has good purity, no impurities are detected, the cation residue is very little, further refining is not needed, multiple refining or cation resin column passing is avoided, the operation complexity is reduced, the production cost of enterprises is greatly reduced, and the discharge of chemical waste is reduced.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (12)

1. A preparation method of a sodium salt or a potassium salt of a pharmaceutic adjuvant is characterized by comprising the following steps:
(1) adding calcium salt into the solution of the pharmaceutic adjuvant, controlling the reaction temperature, stirring for reaction, reacting the calcium salt with the solution to generate calcium sulfate slightly soluble in water, and filtering;
(2) adding a sodium salt or potassium salt aqueous solution into the filtrate prepared in the step (1), controlling the reaction temperature, stirring for reaction, reacting the sodium salt or potassium salt aqueous solution with the filtrate prepared in the step (1) to generate water-insoluble calcium salt, and filtering after the reaction is finished;
(3) controlling the temperature of the filtrate in the step (2), stirring for crystallization, filtering, and drying to obtain the sodium salt or the potassium salt of the pharmaceutic adjuvant.
Wherein the structure of pharmaceutic adjuvant is:
Figure FDA0002757686850000011
2. the method for preparing a sodium salt or a potassium salt of a pharmaceutical excipient according to claim 1, further comprising the steps of: adding sucrose, sulfur trioxide-pyridine compound, 2-methylpyridine and dimethylformamide into a reaction vessel, stirring and mixing uniformly, heating to 60-65 ℃, stirring and reacting, cooling the system solution after the reaction is finished, and adding purified water to quench and react to obtain the solution of the pharmaceutic adjuvant.
3. The method for preparing a sodium salt or a potassium salt of a pharmaceutical excipient according to claim 1, wherein the calcium salt used in step (1) is at least one of calcium hydroxide, calcium oxide and calcium carbonate.
4. The method for preparing a sodium salt or a potassium salt of a pharmaceutical excipient according to claim 1, wherein the molar ratio of the calcium salt to the pharmaceutical excipient in step (1) is 4 to 16.
5. The method for preparing a sodium salt or a potassium salt of a pharmaceutic adjuvant according to claim 1, characterized in that the reaction temperature in step (1) is controlled to be 0-60 ℃.
6. The method for preparing a sodium salt or a potassium salt of a pharmaceutic adjuvant according to claim 1, wherein the stirring reaction time in step (1) is 0.5-12 h.
7. The method for preparing a sodium salt or a potassium salt of a pharmaceutic adjuvant according to claim 1, wherein the sodium salt in step (2) is at least one of sodium carbonate, sodium sulfate, sodium silicate, sodium phosphate and sodium hydroxide; the potassium salt is at least one of potassium carbonate, potassium sulfate, potassium silicate, potassium phosphate and potassium hydroxide.
8. The method for producing a sodium salt or potassium salt of a pharmaceutical excipient according to claim 1, wherein the molar ratio of the sodium salt or potassium salt to the pharmaceutical excipient in step (2) is 4 to 16.
9. The method for preparing a sodium salt or a potassium salt of a pharmaceutic adjuvant according to claim 1, characterized in that the reaction temperature in the step (2) is up to 0-60 ℃.
10. The method for preparing a sodium salt or a potassium salt of a pharmaceutical excipient according to claim 1, wherein the stirring reaction time in the step (2) is 0.5 to 12 hours.
11. The method for preparing a sodium salt or a potassium salt of a pharmaceutic adjuvant according to claim 1, characterized in that the temperature of the filtrate in the step (3) is controlled to be 0-60 ℃.
12. The method for preparing a sodium salt or a potassium salt of a pharmaceutic adjuvant according to claim 1, characterized in that the stirring crystallization time in the step (3) is 0-24 h.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115974938A (en) * 2022-12-19 2023-04-18 辅必成(上海)医药科技有限公司 Synthesis method of sucrose heptasulfate

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US3432489A (en) * 1965-11-05 1969-03-11 Chugai Pharmaceutical Co Ltd Disaccharide polysulfate aluminium compound and method
ES519512A0 (en) * 1983-02-03 1984-06-16 Elmu Sa PROCEDURE FOR OBTAINING HEXADECA-HIDROXITETRACOSAHIDROXI 1,3,4,6-TETRA-O-SULFO-D-FRUCTOFURANOSIL-D-GLUCOPYRANOSIDE TETRAKIS (HYDROGEN-SULPHATE) (8-) HEXADECA ALUMINUM.
EP0230023A2 (en) * 1985-12-24 1987-07-29 Marion Merrell Dow Inc. Pharmaceutical compositions for the enhancement of wound healing
HUT53912A (en) * 1987-12-17 1990-12-28 Gyogyszerkutato Intezet New process for producing disaccharid -octasulfate- aluminium-complexes and their hydrates
US5447919A (en) * 1991-03-13 1995-09-05 Hoffmann-La Roche Inc. Sulfated oligosaccharides
CN103193835A (en) * 2013-04-18 2013-07-10 安徽赛诺医药化工有限公司 Novel method for synthesizing and purifying sucrose octasulphonate sodium salt
CN108530498A (en) * 2018-04-03 2018-09-14 安徽赛诺制药有限公司 A kind of new method eight sulphonic acid ester potassium of sucrose synthesis and purified

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432489A (en) * 1965-11-05 1969-03-11 Chugai Pharmaceutical Co Ltd Disaccharide polysulfate aluminium compound and method
ES519512A0 (en) * 1983-02-03 1984-06-16 Elmu Sa PROCEDURE FOR OBTAINING HEXADECA-HIDROXITETRACOSAHIDROXI 1,3,4,6-TETRA-O-SULFO-D-FRUCTOFURANOSIL-D-GLUCOPYRANOSIDE TETRAKIS (HYDROGEN-SULPHATE) (8-) HEXADECA ALUMINUM.
EP0230023A2 (en) * 1985-12-24 1987-07-29 Marion Merrell Dow Inc. Pharmaceutical compositions for the enhancement of wound healing
HUT53912A (en) * 1987-12-17 1990-12-28 Gyogyszerkutato Intezet New process for producing disaccharid -octasulfate- aluminium-complexes and their hydrates
US5447919A (en) * 1991-03-13 1995-09-05 Hoffmann-La Roche Inc. Sulfated oligosaccharides
CN103193835A (en) * 2013-04-18 2013-07-10 安徽赛诺医药化工有限公司 Novel method for synthesizing and purifying sucrose octasulphonate sodium salt
CN108530498A (en) * 2018-04-03 2018-09-14 安徽赛诺制药有限公司 A kind of new method eight sulphonic acid ester potassium of sucrose synthesis and purified

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115974938A (en) * 2022-12-19 2023-04-18 辅必成(上海)医药科技有限公司 Synthesis method of sucrose heptasulfate

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