CN107759632A - A kind of preparation method of chiral phosphorus acid esters - Google Patents

A kind of preparation method of chiral phosphorus acid esters Download PDF

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Publication number
CN107759632A
CN107759632A CN201610697419.6A CN201610697419A CN107759632A CN 107759632 A CN107759632 A CN 107759632A CN 201610697419 A CN201610697419 A CN 201610697419A CN 107759632 A CN107759632 A CN 107759632A
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formulas
compound
sodium
compound shown
ether
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郭猛
胡明通
王笃政
强斌
杜广钊
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Chia Tai Tianqing Pharmaceutical Group Co Ltd
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Chia Tai Tianqing Pharmaceutical Group Co Ltd
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Priority to CN201610697419.6A priority Critical patent/CN107759632A/en
Priority to PCT/CN2017/098030 priority patent/WO2018033139A1/en
Priority to CN201780044047.XA priority patent/CN109476687B/en
Publication of CN107759632A publication Critical patent/CN107759632A/en
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/06Phosphorus compounds without P—C bonds
    • C07F9/22Amides of acids of phosphorus
    • C07F9/24Esteramides
    • C07F9/2454Esteramides the amide moiety containing a substituent or a structure which is considered as characteristic
    • C07F9/2458Esteramides the amide moiety containing a substituent or a structure which is considered as characteristic of aliphatic amines
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/06Phosphorus compounds without P—C bonds
    • C07F9/22Amides of acids of phosphorus
    • C07F9/24Esteramides
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/06Phosphorus compounds without P—C bonds
    • C07F9/22Amides of acids of phosphorus
    • C07F9/24Esteramides
    • C07F9/2404Esteramides the ester moiety containing a substituent or a structure which is considered as characteristic
    • C07F9/242Esteramides the ester moiety containing a substituent or a structure which is considered as characteristic of hydroxyaryl compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07BGENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B2200/00Indexing scheme relating to specific properties of organic compounds
    • C07B2200/07Optical isomers

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

The application belongs to pharmaceutical synthesis field, is related to a kind of preparation method of chiral phosphorus acid esters.Specifically, the application is related to the method that compound shown in Formulas I R is converted into compound shown in Formulas I S.The preparation method of the application has the advantages of high income, product chiral purity is high, be adapted to industrialized production the advantages of.

Description

A kind of preparation method of chiral phosphorus acid esters
Technical field
The application belongs to pharmaceutical synthesis field, in particular to a kind of preparation method of chiral phosphorus acid esters.
Background technology
Lucky moral is developed after purchase method not Saite and has listed Suo Feibuwei (sofosbuvir, PSI-7977, GS- 7977,).2013, FDA approval Suo Feibuwei were combined with Ribavirin (RBV), for the type of HCV genes 2 and 3 types The oral medication of patient;And ratify, with injecting spent glycol interferon (pegIFN) and Ribavirin (RBV) drug combination, to be used for Treat the first patient of HCV genes 1 and 4 types.Suo Feibuwei treatment cycle is longer, it usually needs the course for the treatment of in 12 weeks -24 weeks, controls Treatment expense is extremely expensive, and the whole world only has only a few patient and can bear the treatment and benefit at present.
Compound shown in Formulas I-S can be as the intermediate for preparing Suo Feibuwei, and it reacts to obtain rope with the compound of formula II Fei Buwei:
In the preparation method of compound shown in existing Formulas I-S, products therefrom includes diastereoisomer impurity Formulas I-R institutes Show compoundWO2011123645 discloses one kind and converts compound shown in Formulas I-R For the method for compound shown in Formulas I-S, but this method is cumbersome, and products therefrom yield needs further to improve.Also, product In compound, compound property shown in Formulas I-R shown in more residual Formulas I-R approached with compound shown in Formulas I-S, it is difficult to remove, Influence the chiral purity of target product Suo Feibuwei obtained by subsequent reactions.
The content of the invention
On the one hand, the application offer is a kind of is converted into compound shown in Formulas I-S by compound shown in Formulas I-R in the solution Method, including compound shown in Formulas I-R is converted into compound shown in Formulas I-S under the conditions of existing for nucleophilicity alkali, solvent:
The nucleophilicity alkali is selected from sodium methoxide, potassium tert-butoxide, sodium tert-butoxide, sodium acetate, potassium acetate, sodium propionate, potassium propionate Or Pentafluorophenol sodium.
In some embodiments of the application, compound shown in Formulas I-R is converted into chemical combination shown in Formulas I-S in the solution In the method for thing, the nucleophilicity alkali preferably is selected from sodium methoxide.
In some embodiments of the application, compound shown in Formulas I-R is converted into chemical combination shown in Formulas I-S in the solution In the method for thing, the inventory of the nucleophilicity alkali is selected from 0.02~0.50 equivalent, preferably be selected from 0.02,0.05,0.08,0.10, 0.12nd, 0.15,0.18,0.20,0.22,0.25,0.28,0.30,0.32,0.35,0.38,0.40,0.42,0.45,0.48 or 0.50 equivalent.
In some embodiments of the application, compound shown in Formulas I-R is converted into chemical combination shown in Formulas I-S in the solution In the method for thing, the solvent is selected from ethyl acetate, dichloromethane, acetone, acetonitrile, DMF, Isosorbide-5-Nitrae-dioxy Six rings, tetrahydrofuran, 2- methyltetrahydrofurans, methyl tertiary butyl ether(MTBE), isopropyl ether, ether, glycol dimethyl ether, normal heptane, just Hexane or any two or more mixed solvent, preferably are selected from ethyl acetate, methyl tertiary butyl ether(MTBE), isopropyl ether, ether, ethylene glycol two Methyl ether, normal heptane, n-hexane, hexamethylene or any two or more mixed solvent, more preferably from methyl tertiary butyl ether(MTBE), isopropyl Ether, the mixed solvent of ethyl acetate and n-hexane, mixed solvent, ethyl acetate and the isopropyl of ethyl acetate and methyl tertiary butyl ether(MTBE) The mixed solvent of ether.
In some embodiments of the application, compound shown in Formulas I-R is converted into chemical combination shown in Formulas I-S in the solution In the method for thing, the solvent load is selected from 1~10 times of volume, preferably be selected from 1 times, 2 times, 3 times, 4 times, 5 times, 6 times, 7 times, 8 times, 9 times or 10 times of volumes.
In some embodiments of the application, compound shown in Formulas I-R is converted into chemical combination shown in Formulas I-S in the solution In the method for thing, when solvent is selected from the mixed solvent of two kinds of solvents, the volume ratio of highly polar solvent and low polar solvent is selected from 1:1~1:10, it preferably is selected from 1:1、1:2、1:3、1:4、1:5、1:6、1:7、1:8、1:9 or 1:10.
On the other hand, the application provides one kind and is placed in heating environment and compound shown in Formulas I-R is converted into shown in Formulas I-S and changes The method of compound, is included in the presence of base reagent, and compound shown in Formulas I-R is changed into I-S institutes by the way of heating, drying Show compound, the wherein composition before heating, drying shown in Formulas I-R is in solid form, and compound shown in gained I-S is in solid shape Formula:
In some embodiments of the application, compound shown in Formulas I-R is converted into Formulas I-S by the heating environment that is placed in In the method for shown compound, the base reagent is selected from sodium carbonate, sodium methoxide, potassium tert-butoxide, sodium tert-butoxide, sodium acid carbonate, second Sour sodium, potassium acetate, sodium propionate, potassium propionate or Pentafluorophenol sodium, preferably are selected from sodium carbonate, sodium methoxide or potassium propionate.
In some embodiments of the application, compound shown in Formulas I-R is converted into Formulas I-S by the heating environment that is placed in In the method for shown compound, the heating, drying is selected from normal heating drying or heating under reduced pressure drying.
In some embodiments of the application, compound shown in Formulas I-R is converted into Formulas I-S by the heating environment that is placed in In the method for shown compound, the temperature of the heating environment is selected from 30~120 DEG C, preferably be selected from 30 DEG C, 40 DEG C, 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 90 DEG C, 100 DEG C, 110 DEG C or 120 DEG C.
In some embodiments of the application, compound shown in Formulas I-R is converted into Formulas I-S by the heating environment that is placed in In the method for shown compound, the content of compound shown in initial Formulas I-R be 0.05%~5.00%, preferably 0.05%, 0.10%th, 0.15%, 0.20%, 0.25%, 0.30%, 0.35%, 0.40%, 0.45%, 0.50%, 0.60%, 0.70%, 0.80%th, 0.90%, 1.00%, 1.20%, 1.40%, 1.60%, 1.80%, 2.00%, 2.20%, 2.40%, 2.60%, 2.80%th, 3.00%, 3.20%, 3.40%, 3.60%, 3.80%, 4.00%, 4.20%, 4.40%, 4.60%, 4.80%, 5.00%.
In some embodiments of the application, compound shown in Formulas I-R is converted into Formulas I-S by the heating environment that is placed in In the method for shown compound, the time for being placed in heating environment can containing according to compound shown in end-product Chinese style I-R Amount determines that, for example, when the content of compound shown in Formulas I-R is less than 0.4%, described the step of being placed in heating environment terminates.It is excellent Selection of land, when compound shown in Formulas I-R content be less than 0.35%, 0.30%, 0.25%, 0.20%, 0.15%, 0.10%, 0.08%th, 0.06%, 0.04%, 0.02% or 0.01% when, described the step of being placed in heating environment, terminates.
In some embodiments of the application, compound shown in Formulas I-R is converted into Formulas I-S by the heating environment that is placed in In the method for shown compound, the time for being placed in heating environment is selected from 1h~48h, preferably be selected from 1h, 3h, 6h, 9h, 12h, 15h, 18h, 21h, 24h, 27h, 30h, 33h, 36h, 39h, 42h, 45h or 48h.
On the other hand, the application provides a kind of method that compound shown in Formulas I-R is converted into compound shown in Formulas I-S, Including:1) by compound shown in Formulas I-R under the conditions of existing for nucleophilicity alkali, solvent, it is converted into compound shown in Formulas I-S;With 2) in the presence of nucleophilicity alkali, compound shown in remaining Formulas I-R in step 1) is further turned by the way of heating, drying Compound shown in Formulas I-S is turned to, wherein the nucleophilicity alkali is selected from sodium methoxide, potassium tert-butoxide, sodium tert-butoxide, sodium acetate, acetic acid Potassium, sodium propionate, potassium propionate or Pentafluorophenol sodium.
In some embodiments of the application, method that compound shown in Formulas I-R is converted into compound shown in Formulas I-S In, the nucleophilicity alkali preferably is selected from sodium methoxide.
In some embodiments of the application, method that compound shown in Formulas I-R is converted into compound shown in Formulas I-S In, the inventory of nucleophilicity alkali is selected from 0.02~0.50 equivalent wherein in step 1), preferably be selected from 0.02,0.05,0.08,0.10, 0.12nd, 0.15,0.18,0.20,0.22,0.25,0.28,0.30,0.32,0.35,0.38,0.40,0.42,0.45,0.48 or 0.50 equivalent.
In some embodiments of the application, method that compound shown in Formulas I-R is converted into compound shown in Formulas I-S In, solvent is selected from ethyl acetate, dichloromethane, acetone, acetonitrile, DMF, Isosorbide-5-Nitrae-dioxy in the step 1) Six rings, tetrahydrofuran, 2- methyltetrahydrofurans, methyl tertiary butyl ether(MTBE), isopropyl ether, ether, glycol dimethyl ether, normal heptane, just Hexane or any two or more mixed solvent, preferably are selected from ethyl acetate, methyl tertiary butyl ether(MTBE), isopropyl ether, ether, ethylene glycol two Methyl ether, normal heptane, n-hexane, hexamethylene or any two or more mixed solvent, more preferably from methyl tertiary butyl ether(MTBE), isopropyl Ether, the mixed solvent of ethyl acetate and n-hexane, mixed solvent, ethyl acetate and the isopropyl of ethyl acetate and methyl tertiary butyl ether(MTBE) The mixed solvent of ether.
In some embodiments of the application, method that compound shown in Formulas I-R is converted into compound shown in Formulas I-S In, solvent load is selected from 1~10 times of volume in the step 1), preferably be selected from 1 times, 2 times, 3 times, 4 times, 5 times, 6 times, 7 times, 8 times, 9 times or 10 times of volumes.
In some embodiments of the application, method that compound shown in Formulas I-R is converted into compound shown in Formulas I-S In, in the step 1), when solvent is selected from the mixed solvent of two kinds of solvents, the volume ratio of highly polar solvent and low polar solvent Selected from 1:1~1:10, it preferably is selected from 1:1、1:2、1:3、1:4、1:5、1:6、1:7、1:8、1:9 or 1:10.
In some embodiments of the application, method that compound shown in Formulas I-R is converted into compound shown in Formulas I-S In, the nucleophilicity alkali in the step 2) comes from the complete nucleophilicity alkali of unreacted in step 1).
In some embodiments of the application, method that compound shown in Formulas I-R is converted into compound shown in Formulas I-S In, the heating, drying in the step 2) is selected from normal heating drying or heating under reduced pressure drying.
In some embodiments of the application, method that compound shown in Formulas I-R is converted into compound shown in Formulas I-S In, heating-up temperature in the step 2) is selected from 30~120 DEG C, preferably be selected from 30 DEG C, 40 DEG C, 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 90 DEG C, 100 DEG C, 110 DEG C or 120 DEG C.
In some embodiments of the application, method that compound shown in Formulas I-R is converted into compound shown in Formulas I-S In, the content of compound shown in the initial Formulas I-R in the step 2) (compound shown in remaining Formulas I-R i.e. in step 1) is 0.05%~5.00%, preferably 0.05%, 0.10%, 0.15%, 0.20%, 0.25%, 0.30%, 0.35%, 0.40%, 0.45%th, 0.50%, 0.60%, 0.70%, 0.80%, 0.90%, 1.00%, 1.20%, 1.40%, 1.60%, 1.80%th, 2.00%, 2.20%, 2.40%, 2.60%, 2.80%, 3.00%, 3.20%, 3.40%, 3.60%, 3.80%, 4.00%th, 4.20%, 4.40%, 4.60%, 4.80%, 5.00%.
In some embodiments of the application, method that compound shown in Formulas I-R is converted into compound shown in Formulas I-S In, the heat time in the step 2) can determine according to the content of compound shown in end-product Chinese style I-R, for example, working as formula When the content of compound shown in I-R is less than 0.4%, described the step of being placed in heating environment, terminates.Preferably, when shown in Formulas I-R The content of compound be less than 0.35%, 0.30%, 0.25%, 0.20%, 0.15%, 0.10%, 0.08%, 0.06%, 0.04%th, 0.02% or 0.01% when, described the step of being placed in heating environment, terminates.
In some embodiments of the application, method that compound shown in Formulas I-R is converted into compound shown in Formulas I-S In, the heat time in the step 2) is selected from 1h~48h, preferably be selected from 1h, 3h, 6h, 9h, 12h, 15h, 18h, 21h, 24h, 27h, 30h, 33h, 36h, 39h, 42h, 45h or 48h.
In this application, the content of compound shown in compound shown in described Formulas I-S or Formulas I-R can use efficient Liquid phase process is determined, and condition determination is selected from:1) instrument, peace instrument UPLC143001 is worn;Chromatographic column, IA4.6*250mm, 5um;Mobile phase, n-hexane/isopropanol;2) instrument, peace instrument UPLC143001 is worn;Chromatographic column, Agilent ZORBAX SB-C18,3.5 μm, 4.6*150mm;Mobile phase, mobile phase A:Phosphate buffer/acetonitrile.
In this application, the equivalent refers to the amount of the material of molar amount.For example, base reagent described herein Inventory is selected from 0.02~0.20 equivalent, refers to the mole of formula base reagent relative to compound and its chiral photo-isomerisation shown in Formulas I-S The mole of body is 0.02~0.20 times.
In this application, the solvent load is selected from 1~10 times of volume and refers to the volume (in terms of milliliter) of solvent divided by anti- Answer quality (in gram) institute's value of thing.For example, in following embodiments 1, having described below " will contain Formulas I-R shownization Compound about 1 shown in compound and Formulas I-S:1 mixture (10.0g) ethyl acetate/n-hexane (30mL, 1:4, v/v) mixed It is dispersed with stirring in bonding solvent ", solvent load is 3 times of amounts (30/10=3) herein.
In this application, the inventory of the base reagent refers to:The amount of the material of base reagent and the chemical combination shown in up-to-date style I-R that feeds intake The ratio of the amount sum of the material of compound shown in thing and Formulas I-S.For example, when the inventory of base reagent is selected from 0.02 equivalent, Refer to the amount of the material of compound shown in compound shown in initial Formulas I-R and Formulas I-S in the amount and reaction system of the material of base reagent The ratio of sum is 0.02.
In this application, described highly polar solvent refers to the solvent containing highly polar group, and example includes ethyl acetate, two Chloromethanes, acetone, acetonitrile, N,N-dimethylformamide, 1,4- dioxane, tetrahydrofuran, 2- methyltetrahydrofurans or methyl Tertbutyl ether etc..
In this application, described low polar solvent refers to the solvent for not containing highly polar group, and example includes isopropyl ether, second Ether, glycol dimethyl ether, normal heptane, n-hexane or hexamethylene etc..
The application it was unexpectedly found that, when use nucleophilicity alkali, especially sodium methoxide when, Formulas I-R can be effectively improved Shown compound is converted into Formulas I-S efficiency, effectively reduces the content of compound shown in products therefrom Chinese style I-R, method operation Simplicity, be adapted to industrialized production the advantages of.
In addition, the application simultaneously it was unexpectedly found that, when using base reagent, especially sodium methoxide, products therefrom exists Heating environment can occur compound shown in I-R and be converted into Formulas I-S phenomenons, effectively reduce compound shown in products therefrom Chinese style I-R Content, method is easy to operate, be adapted to industrialized production the advantages of.
Embodiment
The present invention is further illustrated with embodiment below, but the embodiment is not meant to limit the scope of the invention.
Embodiment A
Pentafluorophenol solution:In in 500mL reaction bulbs, Pentafluorophenol (109.8g, 1.0eq) and dichloromethane are added (250mL, 2.5 times of amounts (v/m)), are cooled to less than 10 DEG C, triethylamine (66.4g, 1.1eq) are slowly added dropwise, it is stand-by to be down to room temperature. In 2L reaction bulbs, dichloro-phenyl phosphate (125.9g, 1.0eq) and dichloromethane (900mL, 9 times of amounts (v/m)), nitrogen are added The lower cooling of protection but to -60~-50 DEG C, add ALANINE isopropyl ester hydrochloride (100.0g) dichloromethane (400mL, 4 times Measure (v/m)) solution, -60~-50 DEG C are cooled to, dichloromethane (200mL, the 2 times of amounts of triethylamine (126.8g, 2.1eq) are added dropwise (v/m)) solution, after completion of dropwise addition, -60~-50 DEG C of reaction 1.5h is incubated, -40~-30 DEG C is then risen to, Pentafluorophenol is added dropwise Solution, after completion of dropwise addition, natural temperature reaction 2h.Acetic acid (10.8g, 0.3eq) is added into reaction solution, stirs 20min, use is cold Water (600mL*3,6 times of amounts (v/m)) washing 3 times, (organic phase does not detect triethylamine, chromatographic column to organic phase through vapor detection:DB- 624 (30m*0.53mm*3.00 μm, injector temperature:180 DEG C, detector temperature:250 DEG C, flow velocity 3.5ml/min, split ratio 5/1, temperature programming:50 DEG C of holding 4min, 180 DEG C of holding 3min are risen to 15 DEG C/min) use anhydrous sodium sulfate drying 8h, mistake Filter, 25~35 DEG C of filtrate are concentrated under reduced pressure into no liquid outflow, add n-hexane (300mL, 3 times of amounts (v/m)) and continue to be concentrated under reduced pressure Flowed out to no liquid, concentrated to obtain compound target product (I-R:I-S=about 1:1).
Embodiment 1
Compound about 1 shown in compound shown in Formulas I-R and Formulas I-S will be contained:1 mixture (10.0g) ethyl acetate/ N-hexane (30mL, 1:4, v/v) in the mixed solvent is dispersed with stirring, and adds 20~30 DEG C of sodium methoxide (0.119g, 0.1 equivalent) 12h is stirred, adds acetic acid (0.132g, 0.1 equivalent) stirring 20min, filtering, filter cake (compound purity shown in Formulas I-S 99.19%, compound purity 0.18% shown in Formulas I-R) 40 DEG C of forced air dryings, obtain white solid 7.33g (chemical combination shown in Formulas I-S Thing purity 99.34%, compound purity 0.06% shown in Formulas I-R), yield 73.3%.
Embodiment 2
Compound about 1 shown in compound shown in Formulas I-R and Formulas I-S will be contained:1 mixture (10.0g) ethyl acetate/ N-hexane (40mL, 1:4, v/v) in the mixed solvent is dispersed with stirring, and adds 20~30 DEG C of sodium methoxide (0.119g, 0.1 equivalent) 12h is stirred, adds acetic acid (0.132g, 0.1 equivalent) stirring 20min, filtering, filter cake (compound purity shown in Formulas I-S 99.11%, compound purity 0.28% shown in Formulas I-R) 40 DEG C of forced air dryings, obtain white solid 7.21g (chemical combination shown in Formulas I-S Thing purity 99.30%, compound purity 0.10% shown in Formulas I-R), yield 72.1%.
Embodiment 3
Compound about 1 shown in compound shown in Formulas I-R and Formulas I-S will be contained:1 mixture (10.0g) ethyl acetate/ N-hexane (60mL, 1:4, v/v) in the mixed solvent is dispersed with stirring, and adds 20~30 DEG C of sodium methoxide (0.119g, 0.1 equivalent) 12h is stirred, adds acetic acid (0.132g, 0.1 equivalent) stirring 20min, filtering, filter cake (compound purity shown in Formulas I-S 99.18%, compound purity 0.19% shown in Formulas I-R) 40 DEG C of forced air dryings, obtain white solid 7.06g (chemical combination shown in Formulas I-S Thing purity 99.33%, compound purity 0.05% shown in Formulas I-R), yield 70.6%.
Embodiment 4
Compound about 1 shown in compound shown in Formulas I-R and Formulas I-S will be contained:1 mixture (10.0g) ethyl acetate/ N-hexane (40mL, 1:3, v/v) in the mixed solvent is dispersed with stirring, and adds 20~30 DEG C of sodium methoxide (0.119g, 0.1 equivalent) 17h is stirred, adds acetic acid (0.132g, 0.1 equivalent) stirring 20min, filtering, filter cake (compound purity shown in Formulas I-S 98.77%, compound purity 0.46% shown in Formulas I-R) 40 DEG C of forced air dryings, obtain white solid 6.85g (chemical combination shown in Formulas I-S Thing purity 99.03%, compound purity 0.19% shown in Formulas I-R), yield 68.5%.
Embodiment 5
Compound about 1 shown in compound shown in Formulas I-R and Formulas I-S will be contained:1 mixture (10.0g) ethyl acetate/ N-hexane (40mL, 1:5, v/v) in the mixed solvent is dispersed with stirring, and adds 20~30 DEG C of sodium methoxide (0.119g, 0.1 equivalent) 17h is stirred, adds acetic acid (0.132g, 0.1 equivalent) stirring 20min, filtering, filter cake (compound purity shown in Formulas I-S 98.69%, compound purity 0.51% shown in Formulas I-R) 40 DEG C of forced air dryings, obtain white solid 6.77g (chemical combination shown in Formulas I-S Thing purity 99.02%, compound purity 0.17% shown in Formulas I-R), yield 67.7%.
Embodiment 6
Compound about 1 shown in compound shown in Formulas I-R and Formulas I-S will be contained:1 mixture (10.0g) ethyl acetate/ N-hexane (50mL, 1:3, v/v) in the mixed solvent is dispersed with stirring, and adds sodium methoxide (0.143g, 0.12 equivalent) 20~30 DEG C stirring 24h, add acetic acid (0.160g, 0.12 equivalent) stirring 20min, filtering, filter cake (compound purity shown in Formulas I-S 99.12%, compound purity 0.19% shown in Formulas I-R) 40 DEG C of forced air dryings, obtain white solid 7.10g (chemical combination shown in Formulas I-S Thing purity 99.24%, compound purity 0.08% shown in Formulas I-R), yield 71.0%.
Embodiment 7
Compound about 1 shown in compound shown in Formulas I-R and Formulas I-S will be contained:1 mixture (10.0g) ethyl acetate/ N-hexane (50mL, 1:3, v/v) in the mixed solvent is dispersed with stirring, and adds 20~30 DEG C of sodium methoxide (0.238g, 0.2 equivalent) 24h is stirred, adds acetic acid (0.267g, 0.2 equivalent) stirring 20min, filtering, filter cake (compound purity shown in Formulas I-S 99.15%, compound purity 0.14% shown in Formulas I-R) 40 DEG C of forced air dryings, obtain white solid 6.48g (chemical combination shown in Formulas I-S Thing purity 99.25%, compound purity 0.05% shown in Formulas I-R), yield 64.8%.
Embodiment 8
Compound about 1 shown in compound shown in Formulas I-R and Formulas I-S will be contained:1 mixture (20.0g) ethyl acetate/ N-hexane (100mL, 1:4, v/v) in the mixed solvent is dispersed with stirring, and adds sodium carbonate (0.936g, 0.2 equivalent) 20~30 DEG C stirring 20h, filtering, 40 DEG C of filter cake (compound purity 98.73% shown in Formulas I-S, compound purity 1.01% shown in Formulas I-R) Forced air drying, obtain white solid 13.26g (compound purity 99.05% shown in Formulas I-S, compound purity shown in Formulas I-R 0.66%), yield 66.3%.
Embodiment 9
Compound about 1 shown in compound shown in Formulas I-R and Formulas I-S will be contained:1 mixture (20.0g) is in methyl- tert fourth It is dispersed with stirring in the solvent of base ether (80mL), and adds 20~30 DEG C of stirring 25h of potassium propionate (0.627g, 0.1 equivalent), filtering, 40 DEG C of forced air dryings of filter cake (compound purity 97.69% shown in Formulas I-S, compound purity 1.67% shown in Formulas I-R), are obtained white Solid 12.70g (compound purity 98.77% shown in Formulas I-S, compound purity 0.57% shown in Formulas I-R), yield 63.5%.
Embodiment 10
Compound about 1 shown in compound shown in Formulas I-R and Formulas I-S will be contained:1 mixture (8.0g) is in isopropyl ether It is dispersed with stirring in the solvent of (45mL), and adds 20~30 DEG C of stirring 17h of sodium carbonate (0.187g, 0.1 equivalent), filtering, filter cake (compound purity 96.85% shown in Formulas I-S, compound purity 2.34% shown in Formulas I-R) 40 DEG C of forced air dryings, obtain white solid 5.40g (compound purity 98.55% shown in Formulas I-S, compound purity 0.66% shown in Formulas I-R), yield 67.5%.
Embodiment 11
Compound about 1 shown in compound shown in Formulas I-R and Formulas I-S will be contained:1 mixture (5.0g) ethyl acetate/ Isopropyl ether (25mL, 1:5, v/v) in the mixed solvent is dispersed with stirring, and add potassium tert-butoxide (0.124g, 0.1 equivalent) 20~ 30 DEG C of stirring 17h, filtering, filter cake (compound purity 92.67% shown in Formulas I-S, compound purity 6.45% shown in Formulas I-R) 40 DEG C forced air drying, obtains white solid 3.42g (compound purity 95.88% shown in Formulas I-S, compound purity shown in Formulas I-R 3.25%), yield 68.4%.
Embodiment 12
Compound about 1 shown in compound shown in Formulas I-R and Formulas I-S will be contained:1 mixture (5.0g) ethyl acetate/ Methyl tertiary butyl ether(MTBE) (25mL, 1:4, v/v) in the mixed solvent is dispersed with stirring, and adds sodium acid carbonate (0.093g, 0.1 equivalent) 20~30 DEG C of stirring 17h, filtering, filter cake (compound purity 97.70% shown in Formulas I-S, compound purity shown in Formulas I-R 6.37%) 40 DEG C of forced air dryings, white solid 3.50g (compound purity 94.65% shown in Formulas I-S, chemical combination shown in Formulas I-R are obtained Thing purity 4.45%), yield 70.0%.
Embodiment 13
Compound about 1 shown in compound shown in Formulas I-R and Formulas I-S will be contained:1 mixture (5.0g) ethyl acetate/ N-hexane (30mL, 1:4, v/v) in the mixed solvent is dispersed with stirring, and add anhydrous sodium acetate (0.091g, 0.1 equivalent) 20~ 30 DEG C of stirring 17h, filtering, filter cake (compound purity 95.43% shown in Formulas I-S, compound purity 3.47% shown in Formulas I-R) 40 DEG C forced air drying, obtains white solid 3.31g (compound purity 96.75% shown in Formulas I-S, compound purity shown in Formulas I-R 2.11%), yield 66.2%.
Embodiment 14
Compound about 1 shown in compound shown in Formulas I-R and Formulas I-S will be contained:1 mixture (5.0g) ethyl acetate/ N-hexane (15mL, 1:4, v/v) in the mixed solvent is dispersed with stirring, and adds 20~30 DEG C of potassium acetate (0.108g, 0.1 equivalent) Stir 17h, filtering, 40 DEG C of drums of filter cake (compound purity 94.22% shown in Formulas I-S, compound purity 4.29% shown in Formulas I-R) It is air-dried dry, white solid 3.39g (compound purity 95.17% shown in Formulas I-S, compound purity 3.35% shown in Formulas I-R) is obtained, Yield 67.8%.
Embodiment 15
Compound about 1 shown in compound shown in Formulas I-R and Formulas I-S will be contained:1 mixture (5.0g) ethyl acetate/ N-hexane (30mL, 1:3, v/v) in the mixed solvent is dispersed with stirring, and adds 20~30 DEG C of sodium propionate (0.106g, 0.1 equivalent) Stir 17h, filtering, 40 DEG C of drums of filter cake (compound purity 93.22% shown in Formulas I-S, compound purity 5.07% shown in Formulas I-R) It is air-dried dry, white solid 3.21g (compound purity 94.13% shown in Formulas I-S, compound purity 4.19% shown in Formulas I-R) is obtained, Yield 64.2%.
Embodiment 16
Compound about 1 shown in compound shown in Formulas I-R and Formulas I-S will be contained:1 mixture (5.0g) ethyl acetate/ N-hexane (20mL, 1:4, v/v) in the mixed solvent is dispersed with stirring, and adds 20~30 DEG C of potassium propionate (0.157g, 0.1 equivalent) Stir 17h, filtering, 40 DEG C of drums of filter cake (compound purity 94.32% shown in Formulas I-S, compound purity 4.11% shown in Formulas I-R) It is air-dried dry, white solid 3.55g (compound purity 96.45% shown in Formulas I-S, compound purity 2.01% shown in Formulas I-R) is obtained, Yield 71.0%.
Embodiment 17
Compound about 1 shown in compound shown in Formulas I-R and Formulas I-S will be contained:1 mixture (5.0g) ethyl acetate/ N-hexane (25mL, 1:4, v/v) in the mixed solvent is dispersed with stirring, and add Pentafluorophenol sodium (0.227g, 0.1 equivalent) 20~ 30 DEG C of stirring 17h, filtering, filter cake (compound purity 94.66% shown in Formulas I-S, compound purity 4.32% shown in Formulas I-R) 40 DEG C forced air drying, obtains white solid 3.60g (compound purity 96.64% shown in Formulas I-S, compound purity shown in Formulas I-R 2.38%), yield 72.0%.

Claims (12)

1. a kind of method that compound shown in Formulas I-R is converted into compound shown in Formulas I-S in the solution, including by Formulas I-R institutes Show that compound under the conditions of existing for nucleophilicity alkali, solvent, is converted into compound shown in Formulas I-S:
The nucleophilicity alkali is selected from sodium methoxide, potassium tert-butoxide, sodium tert-butoxide, sodium acetate, potassium acetate, sodium propionate, potassium propionate or five Fluorophenol sodium.
2. according to the method for claim 1, it is characterised in that the nucleophilicity alkali is selected from sodium methoxide.
3. according to the method for claim 1, it is characterised in that the inventory of the nucleophilicity alkali is selected from 0.02~0.50 and worked as Amount.
4. according to the method for claim 1, it is characterised in that the solvent be selected from ethyl acetate, dichloromethane, acetone, Acetonitrile, N,N-dimethylformamide, 1,4- dioxane, tetrahydrofuran, 2- methyltetrahydrofurans, methyl tertiary butyl ether(MTBE), isopropyl Ether, ether, glycol dimethyl ether, normal heptane, n-hexane or any two or more mixed solvent, preferably are selected from ethyl acetate, first Base tertbutyl ether, isopropyl ether, ether, glycol dimethyl ether, normal heptane, n-hexane, hexamethylene or any two or more mixing Solvent, more preferably from methyl tertiary butyl ether(MTBE), isopropyl ether, mixed solvent, ethyl acetate and the methyl- tert of ethyl acetate and n-hexane The mixed solvent of the mixed solvent of butyl ether, ethyl acetate and isopropyl ether.
5. according to the method for claim 1, it is characterised in that the solvent load is selected from 1~10 times of volume.
6. a kind of method for being placed in heating environment and compound shown in Formulas I-R being converted into compound shown in Formulas I-S, it is included in alkali examination In the presence of agent, compound shown in Formulas I-R is changed into compound shown in I-S, wherein heating, drying by the way of heating, drying Composition shown in preceding Formulas I-R is in solid form, and compound shown in gained I-S is in solid form:
7. according to the method for claim 6, it is characterised in that the base reagent is selected from sodium carbonate, sodium methoxide, the tert-butyl alcohol Potassium, sodium tert-butoxide, sodium acid carbonate, sodium acetate, potassium acetate, sodium propionate, potassium propionate or Pentafluorophenol sodium, preferably are selected from sodium carbonate, first Sodium alkoxide or potassium propionate.
8. according to the method for claim 6, it is characterised in that the heating, drying, which is selected from normal heating and dries or depressurize, to be added Heat drying.
9. according to the method for claim 6, it is characterised in that the temperature of the heating environment is selected from 30~120 DEG C.
10. according to the method for claim 6, it is characterised in that the content of compound shown in initial Formulas I-R for 0.05%~ 5.00%.
11. according to the method for claim 6, it is characterised in that at the end of method, the content of compound shown in Formulas I-R Less than 0.35%.
12. a kind of method that compound shown in Formulas I-R is converted into compound shown in Formulas I-S, including:1) by change shown in Formulas I-R Compound is converted into compound shown in Formulas I-S under the conditions of existing for nucleophilicity alkali, solvent;With 2) in the presence of nucleophilicity alkali, adopt Compound shown in remaining Formulas I-R in step 1) is further converted to compound shown in Formulas I-S with the mode of heating, drying, its Described in nucleophilicity alkali be selected from sodium methoxide, potassium tert-butoxide, sodium tert-butoxide, sodium acetate, potassium acetate, sodium propionate, potassium propionate or five fluorine Sodium phenate
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* Cited by examiner, † Cited by third party
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CN110835358A (en) * 2018-08-16 2020-02-25 上海复星星泰医药科技有限公司 Preparation method of sofosbuvir intermediate
CN111087421A (en) * 2019-12-24 2020-05-01 南京正大天晴制药有限公司 Preparation method of phosphamide compound for chiral drug synthesis

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WO2021253376A1 (en) * 2020-06-19 2021-12-23 南京正大天晴制药有限公司 Preparation method for phosphamide compound used for synthesizing chiral drug

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BR112015025766A2 (en) * 2013-04-12 2017-10-17 Achillion Pharmaceuticals Inc highly active nucleoside derivative for the treatment of hcv
CN104151352B (en) * 2014-07-23 2017-05-10 上海彩迩文生化科技有限公司 Preparation method of sofosbuvir intermediate
WO2016044243A1 (en) * 2014-09-16 2016-03-24 Achillion Pharmaceuticals, Inc. Pyrimidine nucleoside phosphoramidate

Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN110835358A (en) * 2018-08-16 2020-02-25 上海复星星泰医药科技有限公司 Preparation method of sofosbuvir intermediate
CN110835358B (en) * 2018-08-16 2022-08-05 上海复星星泰医药科技有限公司 Preparation method of sofosbuvir intermediate
CN111087421A (en) * 2019-12-24 2020-05-01 南京正大天晴制药有限公司 Preparation method of phosphamide compound for chiral drug synthesis
CN111087421B (en) * 2019-12-24 2022-10-18 南京正大天晴制药有限公司 Preparation method of phosphamide compound for chiral drug synthesis

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