CN110218233B - P (P) 1 ,P 4 Preparation method of di (uridine 5' -tetraphosphate) - Google Patents

P (P) 1 ,P 4 Preparation method of di (uridine 5' -tetraphosphate) Download PDF

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CN110218233B
CN110218233B CN201910148349.2A CN201910148349A CN110218233B CN 110218233 B CN110218233 B CN 110218233B CN 201910148349 A CN201910148349 A CN 201910148349A CN 110218233 B CN110218233 B CN 110218233B
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uridine
process according
iib
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aprotic organic
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CN110218233A (en
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蔡洪芳
陈埔
范刘春
樊波
薛州洋
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Jiangsu Hengrui Medicine Co Ltd
Chengdu Suncadia Pharmaceuticals Co Ltd
Chengdu Xinyue Medicine Co Ltd
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Jiangsu Hengrui Medicine Co Ltd
Chengdu Suncadia Pharmaceuticals Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H1/00Processes for the preparation of sugar derivatives
    • C07H1/02Phosphorylation
    • C07H1/04Introducing polyphosphoric acid radicals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H19/00Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
    • C07H19/02Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
    • C07H19/04Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
    • C07H19/06Pyrimidine radicals
    • C07H19/10Pyrimidine radicals with the saccharide radical esterified by phosphoric or polyphosphoric acids

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  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
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Abstract

The application provides a P 1 ,P 4 -a process for the preparation of bis (uridine 5' -) tetraphosphate. Specifically, the method has the advantages of high yield and obviously reduced generation amount of impurities with large molecular weight, which are not easy to remove, in the industrial production process, and is easy to purify, and the method is P 1 ,P 4 The industrial production of di (uridine 5' -) tetraphosphate is made possible.

Description

P (P) 1 ,P 4 Preparation method of-di (uridine 5' -) tetraphosphate
Technical Field
The application relates to a P 1 ,P 4 -bis (uridine 5' -) tetraphosphoric acid (UP 4U) salt.
Background
Diquafos tetrasodium is also known as P 1 ,P 4 Bis (uridine 5' -) tetraphosphate, having the structure shown in (Ia), is a second-generation uridine nucleotide analogue, which is a P2Y2 receptor agonist and mucin secretion stimulator, and 3% diquassia tetrasodium salt eye drops have been developed by Japanese Korea pharmaceutical Co., ltd, for the treatment of dry eye. In addition, as an expectorant or a therapeutic agent for pneumonia having an effect of inducing sputum excretion, there is a possibility of further development.
Regarding P 1 ,P 4- Synthesis of di (uridine 5 '-) tetraphosphate, chinese patent CN101495497B discloses a method of using uridine 5' -triphosphateA process for the preparation of uridine 5 '-cyclic triphosphate by dehydration condensation of phosphoric acid (UTP) followed by docking with uridine 5' -monophosphate (UMP) using a metal salt selected from magnesium, manganese and iron as catalyst.
The preparation method disclosed in CN1147502C does not use a catalyst, but the yield of the target product is extremely low, and the method cannot be practically used. The process disclosed in CN105026414a is carried out by reacting a phosphoric acid active compound with a phosphoric acid compound selected from UMP, UDP, UTP and pyrophosphate, or a salt thereof, in the presence of a metal ion selected from 2-valent iron ion, 3-valent aluminum ion, 3-valent lanthanum ion, and 3-valent cerium ion, in water or a hydrophilic organic solvent to obtain P 1 ,P 4- Bis (uridine 5' -) tetraphosphoric acid, the method disclosed in this application uses very few metal salts which remain at a later stage, which is not known. CN107056859a claims a high purity P 1 ,P 4 The preparation method of the-di (uridine-5' -tetraphosphate) salt, the specification discloses a preparation method using strontium chloride as a metal salt catalyst, but the reaction yield is only 56%, and the method is not used for industrially producing P 1 ,P 4 The preferred method of di (uridine 5' -) tetraphosphoric acid, how to increase the yield of the reaction while reducing the impurity content, remains a problem to be solved.
Disclosure of Invention
The application provides a P 1 ,P 4 Preparation method of-di (uridine 5' -) tetraphosphoric acid, which obviously reduces P on the basis of improving yield 1 ,P 5 -di (uridine 5' -) pentaphosphoric acid (UP 5U), P 1 ,P 6- Production amount of di (uridine 5' -) hexaphosphoric acid (UP 6U) impurity.
The application provides a P shown in formula (I) 1 ,P 4 A process for the preparation of di (uridine 5' -) tetraphosphoric acid (UP 4U) comprising the steps of:
a) Activating a compound represented by formula (IIIb) using a condensing agent;
b) The compound of formula (IIIb) activated by the action of a catalyst metal calcium salt is reacted with the compound of formula (IIIa).
The metal calcium salt according to the present application is not particularly limited, and examples thereof include calcium fluoride, calcium chloride, calcium bromide, calcium iodide, calcium sulfate, calcium nitrate, calcium phosphate, calcium perchlorate, calcium tetrafluoroborate, calcium triflate, calcium methanesulfonate, calcium toluenesulfonate, calcium acetate, calcium trifluoroacetate, calcium stearate, and calcium citrate, preferably calcium chloride, and the calcium salt used may be anhydrous or hydrated, preferably anhydrous.
In the preparation method provided by the application, the molar ratio of the metal calcium salt to the compound shown in the formula (IIIb) is selected from 0.1-5, preferably 1.0-2, and most preferably 1.1-1.5.
The preparation method provided by the application further comprises the step of preparing a solution of the compound shown in the formula (IIIa) and an aprotic organic solvent of an amine salt of the compound shown in the formula (IIIb).
In the method provided by the magic, after the catalyst is added, the reaction temperature is selected from 0-50 ℃, preferably/25-40 ℃, and the reaction time is 4-24 hours, preferably 4-8 hours. In the process provided by the application, the aprotic organic solution of the amine salts of IIIa, IIIb has a moisture content of less than 1.0%, preferably less than 0.7%, more preferably less than 0.3%.
In the method provided by the application, molecular sieve mode can be used for removing water from the aprotic organic solution of the amine salts of IIIa and IIIb.
The preparation method provided by the application is characterized in that the reaction is carried out under the protection of inert gas, wherein the inert gas is selected from helium, argon and nitrogen, and nitrogen is preferred.
In the method provided by the application, the aprotic organic solvent is selected from single or mixed solvents of Dimethylformamide (DMF), dimethylacetamide (DMA), pyridine, dioxane and dimethyl sulfoxide.
In the method provided by the application, the condensing agent is selected from Dicyclohexylcarbodiimide (DCC), water-soluble carbodiimide (WSC), diisopropylcarbodiimide (DIPC), 1- (3-dimethylaminopropyl) -3-Ethylcarbodiimide (EDC) or hydrochloride thereof, carbonyldiimidazole (CDI), preferably diisopropylcarbodiimide.
In the process provided by the application, the amine forming salt is selected from triethylamine, tributylamine, trioctylamine, tetrabutylammonium, heterocyclic amine, preferably tributylamine.
The method provided by the application is specifically carried out by a flow shown in Scheme 1:
in the method provided by the application, after the reaction is finished, P of a synthetic target object 1 ,P 4 The bis (uridine 5' -) tetraphosphoric acid may be isolated and purified by a suitable combination of methods used for isolation and purification of usual nucleotides (e.g., recrystallization, ion-exchange column chromatography, adsorption column chromatography, activated carbon column chromatography, etc.), and then prepared as a sodium salt.
The application provides a method for preparing P 1 ,P 4 Preparation of P from di (uridine 5' -) tetraphosphoric acid 1 ,P 4 Process for adsorbing P using anion exchange resin 1 ,P 4 After the bis (uridine 5' -) tetraphosphoric acid, a rapid elution was performed using sodium chloride solution as eluent.
The application provides the preparation P 1 ,P 4 The method of sodium bis (uridine 5' -) tetraphosphate further comprises one or more operations selected from nanofiltration, activated carbon adsorption, recrystallization.
The method provided by the application has the advantages that the yield of the target product is up to 75%, and the P is obviously reduced 1 ,P 5 -di (uridine 5' -) pentaphosphoric acid (UP 5U), P 1 ,P 6 -amount of di (uridine 5' -) hexaphosphoric acid (UP 6U) impurity.
Detailed Description
Examples
The present application is specifically illustrated by the following examples, but the present application is not limited to these examples.
The disodium uridine-5 '-monophosphate salt, uridine-5' -trisodium triphosphate salt used in the examples was commercially available.
Example 1P 1 ,P 4 Preparation of bis (uridine 5' -) tetraphosphoric acid
Step 1. Preparation of intermediate Compound of formula (IIa) (UMP-TBA)
Uridine-5' -monophosphate disodium salt (5.43 mol,2.0 kg) and purified water (10.0 kg) were added to a 20L plastic bucket, and after complete dissolution under stirring, the filtrate was filtered for use; loading 20.0L of DOWEX IR100S resin converted into hydrogen into a chromatographic column, flushing with purified water (40.0 kg), compacting the resin, discharging bubbles, discharging the flushing liquid, and closing a liquid discharge switch; slowly introducing the filtrate into a column, enabling the upper liquid level to just submerge the resin, standing, adding purified water (95.0 kg) into the column for column elution, stopping eluting when the pH of the eluent is changed to 6.5-7.5, combining the eluents, adding the eluents into a 200L reaction kettle, starting stirring, and dropwise adding tri-n-butylamine (0.92 kg) at 15-25 ℃ until the pH is 6.5-7.5; the reaction solution was concentrated to a small volume by nanofiltration and lyophilized to remove water to give 2.53kg with a yield of 91.4%. Dissolving the residue in N, N-dimethylformamide to obtain IIa solution of about 0.65mol/L, adding activated molecular sieve type 4A, drying, measuring water content not more than 0.2%, and filtering to obtain filtrate.
Step 2. Preparation of intermediate Compound of formula (IIb) (UTP-3 TBA)
Uridine-5' -trisodium triphosphate salt (4.54 mol,2.5 kg) and purified water (12.5 kg) were added to a 20L plastic bucket, and after complete dissolution under stirring, the filtrate was filtered for use; 30.0L of DOWEX IR100S resin converted into hydrogen form was charged into a column, washed with purified water (60.0 kg), compacted, the washing solution was discharged after the air bubbles were discharged, and the drain switch was turned off. Slowly introducing the filtrate obtained in the previous step into a column, enabling the upper liquid level to just submerge the resin, standing, adding purified water (130.0 kg) into the column for column passing and eluting, controlling the flow rate, stopping eluting when the pH value of the eluent is 6.5-7.5, mixing the eluates, adding the eluates into a 200L reaction kettle, starting stirring, and dropwise adding tri-n-butylamine (2.27 kg) at 15-25 ℃ until the pH value is 6.5-7.5; the reaction solution was concentrated to a small volume by nanofiltration and lyophilized to remove water to give 4.25kg with a yield of 89.9%. The residue was dissolved in N, N-dimethylformamide to give an IIb solution of about 0.32mol/L, and dried by adding activated molecular sieve type 4A, and the water content was measured to be not more than 0.2%, and the filtered liquid was directly transferred to the next step.
Step 3.P 1 ,P 4 Preparation of bis (uridine 5' -) tetraphosphoric acid
The prepared N, N-dimethylformamide (UTP-3TBA 3.85g,3.69mmol) of UTP-3TBA was put into a 100ml three-necked flask, and diisopropylcarbodiimide (562 mg,4.44 mmol) was added thereto, N 2 After 2 times of replacement, reacting for 5 hours at 25-30 ℃; n, N-dimethylformamide (UMP-TBA 2.23g,4.43 mmol) of UMP-TBA and anhydrous calcium chloride (492 mg,4.43 mmol) were added to the reaction mixture, followed by reaction at 25 to 30℃for 5 hours, detection by sampling HPLC, and calculation of UP4U content and high molecular weight impurity P by area normalization method 1 ,P 5 Di (uridine 5' -) pentaphosphoric acid (UP 5U) and P 1 ,P 6 -content of di (uridine 5' -) hexaphosphate (UP 6U).
Example 2P 1 ,P 4 Preparation of bis (uridine 5' -) tetraphosphoric acid
Placing prepared N, N-dimethylformamide (UTP-3TBA 3.84g,3.69mmol) of UTP-3TBA into 100ml three-necked flask, adding diisopropylcarbodiimide (564 mg,4.44 mmol), and N 2 After 2 times of replacement, the reaction is carried out for 5 hours at 25-30 ℃. N, N-dimethylformamide (UMP-TBA 2.23g,4.43 mmol) of UMP-TBA and anhydrous magnesium chloride (422 mg,4.43 mmol) were added to the reaction mixture, followed by reaction at 25 to 30℃for 5 hours, detection by sampling HPLC, and calculation of UP4U content and high molecular weight impurity P by area normalization method 1 ,P 5 Di (uridine 5' -) pentaphosphoric acid (UP 5U) and P 1 ,P 6 -content of di (uridine 5' -) hexaphosphate (UP 6U).
Results:

Claims (14)

1. p (P) 1 ,P 4 -di (uridine 5)A process for preparing a (-) tetraphosphate comprising:
a) Preparing a solution of a compound of formula (IIa) and an aprotic organic solvent for the compound of formula (IIb);
b) Activating a compound represented by formula (IIb) with a condensing agent diisopropylcarbodiimide;
c) The compound shown in the formula (IIb) which is activated under the action of catalyst metal calcium salt reacts with the compound shown in the formula (IIa), the molar ratio of the metal calcium salt catalyst to the IIb is 1.1-1.5, and the metal calcium salt is calcium chloride.
2. The method according to claim 1, wherein the metal calcium salt is anhydrous calcium chloride.
3. The process according to claim 1, wherein the aprotic organic solution of the amine salts of IIa, IIb has a water content of less than 1.0%.
4. The process according to claim 1, wherein the aprotic organic solution of the amine salts of IIa, IIb has a water content of less than 0.7%.
5. The process according to claim 1, wherein the aprotic organic solution of the amine salts of IIa, IIb has a water content of less than 0.3%.
6. The process according to claim 3-5, wherein the reaction temperature in step c) is selected from the range of 0 to 50 ℃.
7. The process according to claim 6, wherein the reaction temperature in step c) is 25 to 40 ℃.
8. The process according to claim 6, wherein the reaction is carried out under the protection of an inert gas selected from helium, argon and nitrogen.
9. The preparation method according to claim 6, wherein the reaction is performed under the protection of an inert gas, wherein the inert gas is nitrogen.
10. The process according to claim 8, wherein the aprotic organic solvent is selected from dimethylformamide, dimethylacetamide, pyridine, dioxane and dimethylsulfoxide.
11. The process of claim 8 wherein the aprotic organic solvent is dimethylformamide.
12. P (P) 1 ,P 4 -a process for the preparation of tetra sodium di (uridine 5' -) tetraphosphate comprising the steps of any of the claims 1-11.
13. The process according to claim 12, wherein P is adsorbed by anion exchange resin 1 ,P 4 Di (uridine 5' -) tetraphosphoric acid followed by elution with sodium chloride solution.
14. The process according to claim 13, comprising one or more operations selected from nanofiltration, activated carbon adsorption, recrystallization.
CN201910148349.2A 2018-03-01 2019-02-28 P (P) 1 ,P 4 Preparation method of di (uridine 5' -tetraphosphate) Active CN110218233B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101495497A (en) * 2006-07-26 2009-07-29 Yamasa酱油株式会社 Process for producing di(pyrimidine nucleoside 5'-)polyphosphate
CN105026414A (en) * 2012-12-28 2015-11-04 Yamasa酱油株式会社 Method for producing P1, P4-bis (uridine 5'-) tetraphosphate
CN107056859A (en) * 2017-04-28 2017-08-18 广东众生药业股份有限公司 A kind of high-purity P1, P4Two(The phosphoric acid of uridine 5 ' four)The preparation method of salt
KR20180091672A (en) * 2017-06-21 2018-08-16 주식회사 종근당 Method for Preparing a Dinucleoside Polyphosphate Compound

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101495497A (en) * 2006-07-26 2009-07-29 Yamasa酱油株式会社 Process for producing di(pyrimidine nucleoside 5'-)polyphosphate
CN105026414A (en) * 2012-12-28 2015-11-04 Yamasa酱油株式会社 Method for producing P1, P4-bis (uridine 5'-) tetraphosphate
CN107056859A (en) * 2017-04-28 2017-08-18 广东众生药业股份有限公司 A kind of high-purity P1, P4Two(The phosphoric acid of uridine 5 ' four)The preparation method of salt
KR20180091672A (en) * 2017-06-21 2018-08-16 주식회사 종근당 Method for Preparing a Dinucleoside Polyphosphate Compound

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