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CN104030896A - Method for simply removing specific impurities from ospemifene - Google Patents

Method for simply removing specific impurities from ospemifene Download PDF

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Publication number
CN104030896A
CN104030896A CN201310071637.5A CN201310071637A CN104030896A CN 104030896 A CN104030896 A CN 104030896A CN 201310071637 A CN201310071637 A CN 201310071637A CN 104030896 A CN104030896 A CN 104030896A
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ospemifene
crystallization
crude product
temperature
adopt
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Inventor
李玲
赵世明
张丹
罗振福
吴赟
雷勇胜
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Tianjin Institute of Pharmaceutical Research Co Ltd
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Tianjin Institute of Pharmaceutical Research Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01Preparation of ethers
    • C07C41/34Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01Preparation of ethers
    • C07C41/34Separation; Purification; Stabilisation; Use of additives
    • C07C41/36Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01Preparation of ethers
    • C07C41/34Separation; Purification; Stabilisation; Use of additives
    • C07C41/40Separation; Purification; Stabilisation; Use of additives by change of physical state, e.g. by crystallisation

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

The invention relates to a method for simply removing specific impurities from ospemifene. A crude product is washed and starched by a proper solvent in advance, parts of impurities can be removed by utilizing the difference of the dissolvability of ospemifene and the dissolvability of the impurities, a good effect can be obtained by crystallizing at a proper temperature, and a qualified product according with the quality standard requirements can be obtained after one or two time crystallization.

Description

The method of the special impurity of a kind of simple and easy removal ospemifene
Technical field
The present invention relates to medical chemistry field, particularly, the present invention relates to simple and easy removal Z-2[4-(4-chloro-1,2-phenylbenzene-but-1-ene base) benzene oxygen] method of the special impurity of ethanol (below using its common name ospemifene), can obtain highly purified ospemifene, meet medicinal requirements.
Background technology
Oestrogenic hormon is the important hormonal substance of a class in human body, except working in reproductive system, also affects the function of other system, as bone, cardiovascular systems etc.After postmenopausal women, body inner estrogen level declines, and causes thus involution syndrome, osteoporosis, senile dementia and cardiovascular disorder etc.At present, generally adopt clinically Hormone Replacement Therapy (HRT) to treat or prevent these symptoms that are prone to climacteric.But unfortunately, HRT can cause several untoward reactions, comprise that the initiation potential of hemorrhage, swelling, mammary gland tenderness and uterus carcinoma and mammary cancer increases.Therefore, be necessary that screening has estrogen-like stirring effect to bone and cardiovascular systems, has the ideal medicament of oestrogenic hormon antagonistic effect simultaneously to uterus and mammary gland.Selective estrogen receptor regulating (SERM) has the medicine of this specific character just.SERMs is the medicine of a class synthetic, has oestrogenic hormon agonism in bone, liver, and in mammary gland, uterus, has antagonism oestrogenic hormon or extremely weak oestrogenic hormon agonism.
Ospemifene (Ospemifene, FC-1271a, chemical name Z-2[4-(4-chloro-1,2-phenylbenzene-but-1-ene base) benzene oxygen] ethanol is a kind of novel triphenylethylene SERM, is the important meta-bolites of one of toremifene.
This compound is a kind of tissue specificity oestrogenic hormon/antiestrogen, and affinity and the tamoxifen of this medicine and estrogen receptor alpha (ER α) and β (ER β) are suitable.Ospemifene can prevent the caused bone of estrogen decrease to run off in animal model, and can suppress the growth of human breast cancer MCF7 cell and tumour, also can suppress the growth of the breast tumor that dimethylbenzanthracene (DMBA) causes.This medicine also can reduce serum cholesterol level.Ospemifene has faint oestrogenic hormon and estrogen antagonist effect to uterus, but bone is had to significant estrogen effect.In addition, this medicine does not cause the hepatotoxicity that tamoxifen produces.Therefore, ospemifene is further studied the atrophy (modern medicines and clinical, 2010,25(5) that is used for treating postmenopausal osteoporosis and reproductive system, 390).
Ospemifene molecule has alkene structures, WO2011/89385 adopts and is reacted in DMF with ethylene bromohyrin and obtained 4-hydroxy ethoxy phenyl benzophenone (3) by 4-dihydroxy benaophenonel (2), under the catalysis of titanium tetrachloride-zinc, there is McMurry with 3-chlorophenyl acetone by (3) again and react, directly generate ospemifene.
Or the method for employing WO2008/099059; 4-dihydroxy benaophenonel first reacts and obtains compound 5-chloro-1 through McMurry with 3-chlorophenyl acetone; 2 phenylbenzene-1-(4-hydroxyphenyl)-1-amylene (4), then obtain (5) and protective reaction generation ospemifene through WILLIAMS-DARLING Ton reaction.
The committed step of method is that two kinds of ketone generation linked reactions generate two keys, is called McMurry reaction.This reaction is that aldehyde ketone is at reducing metal (Li, Na, Mg, Zn, LiAlH 4, Zn-Cu) and lower valency titanium (TiCl 3, TiCl 4) lower two the carbonyl condensation deoxidations of effect obtain alkene.Although McMurry reaction step is fairly simple, reaction conditions is harsher, and self coupling and cis-trans isomerism are difficult to avoid.Therefore prepare in ospemifene process, McMurry reaction easily produces multiple side reaction products, and this can be on the mass formation impact of the finished product.Pharmacopoeia of each country has very strict restriction to the single impurity of bulk drug, and general requirement is less than below 0.1%.In the technique and quality approach process of ospemifene, separate and determine issuable impurity, then according to the structure of impurity, infer issuable reason and approach, in technological process, avoid as far as possible.And if impurity has produced, adopt good method to remove them according to the character of impurity, there is very large help to preparing highly purified ospemifene.
Summary of the invention
The object of the invention is to, a kind of preparation method of high purity ospemifene is provided.
Technical scheme provided by the invention is as follows:
According to the method for patent WO2011/89385 or WO2008/099059, prepare ospemifene, obtain lurid thickness oily matter, TLC thin layer finds except product point have multiple impure points to occur.
Adopt column chromatography method, separation, purifying and Structural Identification, confirm possible impurity as follows:
(E/Z) 1, two (4-the hydroxy phenyl)-stilbene of 2-
(E/Z) 1, two (4-hydroxyethyl oxygen base the phenyl)-stilbene of 2-
(E/Z) 3,4-hexichol-1, the chloro-3-hexene of 6-bis-
E-2[4-(4-chloro-1,2-phenylbenzene-but-1-ene base) benzene oxygen] ethanol
1-phenyl-(4-hydroxyethyl oxygen base phenyl) methyl alcohol
Wherein, (E/Z) 1, two (the 4-hydroxy phenyls)-1 of 2-, 2-toluylene, (E/Z) 1, two (4-hydroxyethyl oxygen base phenyl)-stilbene of 2-and (E/Z) 3,4-hexichol-1,6-dichloro hexene is that the by product that McMurry linked reaction obtains occurs two kinds of ketone raw materials self; E-2[4-(4-chloro-1,2-phenylbenzene-but-1-ene base) benzene oxygen] the ethanol cis-trans-isomer that is ospemifene; 1-phenyl-(4-hydroxyethyl oxygen base phenyl) methyl alcohol is the by product of ketone reduction.
Adopt McMurry reaction to obtain product, by the method for general direct crystallization, no matter be to adopt a kind of solvent or the method for mixed solvent, owing to having comprised a large amount of impurity, crystallization is difficult to separate out, or the product after crystallization is still the repeated multiple times crystallization of thick needs, the quality of product and yield are all difficult to ensure.We find in test, when the solvent with suitable is washed and starched crude product in advance, utilize the deliquescent difference of product and impurity, remove a part of impurity, and adopt suitable temperature crystallization, can receive unexpected good effect, general only need once or secondary crystal, just can obtain meeting the qualified product that quality standard requires.
The step method that test adopts is as follows:
(1) adopt McMurry reaction to obtain ospemifene crude product;
(2) with the less organic solvent of polarity, crude product is carried out to liquid-solid extraction, discard organic solvent and obtain solid matter;
(3), after the solid matter of underpressure distillation step (2), use alcoholic solvent heating for dissolving;
(4) cooling, leaves standstill crystallization, filters and obtains high purity ospemifene.
Wherein, in step (3), (4), also can adopt alcoholic solvent room temperature to dissolve, leave standstill nature crystallization, filter and obtain high purity ospemifene.
Embodiment
Referring to specific embodiment, the present invention is described.It will be appreciated by those skilled in the art that these embodiment are only for illustrating object of the present invention, the scope that it does not limit the present invention in any way.
embodiment 1(E/Z) 1, two (4-the hydroxy phenyl)-stilbene of 2-
Obtain Z-4-(4-chloro-1,2-phenylbenzene)-but-1-ene phenol crude product with reference to WO2008/099059 method, adopt column chromatography method, ethyl acetate: sherwood oil=1:2 wash-out, obtain white solid, be (E/Z) 1, two (4-the hydroxy phenyl)-stilbene of 2-.
HPLC moving phase: 0.5% triethylamine solution (with phosphorus acid for adjusting pH value to 3.0)-acetonitrile=60:40; Flow velocity: 1.0mlmin -1; Detection wavelength is 277nm. 1hNMR:4.58 (s, 2H ,-OH), 6.61-7.12 (m, 18, phenyl ring). ultimate analysis: C 26h 20o 2calculated value C85.69%, H5.53%; Measured value C85.42%, H5.25%.
embodiment 2(E/Z) 1, two (4-the hydroxy phenyl)-stilbene of 2-
Zn powder 2.3g and THF40ml join in three-necked bottle, are cooled to-10 DEG C, pass into N 2, stir the lower TiCl of dropping 42ml(0.01mol), finish reaction 30min, then move in the oil bath of 65 DEG C and continue reaction 2h, be cooled to 40 DEG C, add the THF10ml mixed solution of 4-hydroxy phenyl benzophenone (2.0g, 0.01mol), then temperature is elevated to 65 DEG C of stirring reaction 3.5h.
React complete solution and add in 10% wet chemical 30ml and stir, separate out a large amount of solids.Leave standstill, filter filtrate decompression evaporate to dryness.Add ethyl acetate 20ml to dissolve, washing, organic layer anhydrous sodium sulfate drying, solvent evaporated obtains yellow oil.Obtain white solid 1.4g with methanol-water (6:1) recrystallization, productive rate is 76.9%.HPLC moving phase: 0.5% triethylamine solution (with phosphorus acid for adjusting pH value to 3.0)-acetonitrile=60:40; Flow velocity: 1.0mlmin -1; Detection wavelength is 277nm. 1hNMR:4.58 (s, 2H ,-OH), 6.61-7.12 (m, 18, phenyl ring). ultimate analysis: C 26h 20o 2calculated value C85.69%, H5.53%; Measured value C85.39%, H5.76%.
embodiment 3(E/Z) 1, two (4-hydroxyethyl oxygen base the phenyl)-stilbene of 2-
Obtain ospemifene crude product with reference to WO2008/099059 method, adopt column chromatography method, ethyl acetate: sherwood oil=1:2 wash-out, obtains white solid.HPLC moving phase: 0.5% triethylamine solution (with phosphorus acid for adjusting pH value to 3.0)-acetonitrile=60:40; Flow velocity: 1.0mlmin -1; Detection wavelength is 277nm. 1hNMR:2.02 (t, 2H ,-OH), 3.89 (d, 4H ,-CH 2cH 2oH), 3.99 (d, 4H ,-CH 2cH 2oH), 6.61-7.24 (m, 18, phenyl ring).Ultimate analysis: C 30h 28o 4calculated value C79.62%, H6.24%; Measured value C79.55%, H6.44%.
embodiment 4(E/Z) 1, two (4-hydroxyethyl oxygen base the phenyl)-stilbene of 2-
Zn powder 2.3g and THF40ml join in three-necked bottle, are cooled to-10 DEG C, pass into N 2, stir the lower TiCl of dropping 42ml(0.01mol), finish reaction 30min, then move into and in the oil bath of 65 DEG C, continue reaction 2h, be cooled to 40 DEG C, add 2-(4-benzoyl phenoxy group) the THF10ml mixed solution of-1-ethanol (2.4g, 0.01mol), then temperature is elevated to 65 DEG C of stirring reaction 3.5h.
React complete solution and add in 10% wet chemical 30ml and stir, separate out a large amount of solids.Leave standstill, filter filtrate decompression evaporate to dryness.Add ethyl acetate 20ml to dissolve, washing, organic layer anhydrous sodium sulfate drying, solvent evaporated obtains yellow oil.Obtain white solid 1.9g with methanol-water (6:1) recrystallization, productive rate is 79.8%.HPLC moving phase: 0.5% triethylamine solution (with phosphorus acid for adjusting pH value to 3.0)-acetonitrile=60:40; Flow velocity: 1.0mlmin -1; Detection wavelength is 277nm. 1hNMR:2.02 (t, 2H ,-OH), 3.89 (d, 4H ,-CH 2cH 2oH), 3.99 (d, 4H ,-CH 2cH 2oH), 6.61-7.24 (m, 18, phenyl ring).Ultimate analysis: C 30h 28o 4calculated value C79.62%, H6.24%; Measured value C79.58%, H6.51%.
embodiment 5(E/Z) 3,4-hexichol-1,6-dichloro hexene
Obtain ospemifene crude product with reference to WO2008/099059 method, adopt column chromatography method, ethyl acetate: sherwood oil=1:3 wash-out, obtains white solid.HPLC moving phase: 0.5% triethylamine solution (with phosphorus acid for adjusting pH value to 3.0)-acetonitrile=60:40; Flow velocity: 1.0mlmin -1; Detection wavelength is 240nm. 1hNMR:2.31 (q, 2H, CH 2), 2.59 (m, 2H ,-CH 2), 4.25 (m, 2H, CH 2), 4.34 (m, 2H, CH 2), 6.90~7.24 (m, 10, phenyl ring).Ultimate analysis: C 18h 18cl 2calculated value C70.83%, H5.94%, Cl23.23%; Measured value C71.02%, H5.77%, Cl23.28%.
embodiment 6(E/Z) 3,4-hexichol-1,6-dichloro hexene
Zn powder 2.3g and THF40ml join in three-necked bottle, are cooled to-10 DEG C, pass into N 2, stir the lower TiCl of dropping 31.8ml(0.01mol), iodine 0.1g, finishes reaction 30min, then moves in the oil bath of 65 DEG C and continues reaction 2h, is cooled to 0~5 DEG C, adds the THF10ml mixed solution of 3-chlorophenyl acetone (1.7g, 0.01mol), stirring reaction 5h.
React complete solution and add in 10% wet chemical 30ml and stir, separate out a large amount of solids.Leave standstill, filter filtrate decompression evaporate to dryness.Add ethyl acetate 20ml to dissolve, washing, organic layer anhydrous sodium sulfate drying, solvent evaporated obtains oily matter.Obtain white solid 1.0g with methanol-water (6:1) recrystallization, productive rate is 65.5%.HPLC moving phase: 0.5% triethylamine solution (with phosphorus acid for adjusting pH value to 3.0)-acetonitrile=60:40; Flow velocity: 1.0mlmin -1; Detection wavelength is 240nm. 1hNMR:2.31 (q, 2H, CH 2), 2.59 (m, 2H ,-CH 2), 4.25 (m, 2H, CH 2), 4.34 (m, 2H, CH 2), 6.90~7.24 (m, 10, phenyl ring).Ultimate analysis: C 18h 18cl 2calculated value C70.83%, H5.94%, Cl23.23%; Measured value C70.90%, H5.67%, Cl23.26%.
embodiment 7e-2[4-(4-chloro-1,2-phenylbenzene-but-1-ene base) benzene oxygen] ethanol
Obtain ospemifene crude product with reference to WO2008/099059 method, adopt column chromatography method, ethyl acetate: sherwood oil: acetic acid=1:3:0.2 wash-out, obtains white solid.HPLC moving phase: 0.5% triethylamine solution (with phosphorus acid for adjusting pH value to 3.0)-acetonitrile=60:40; Flow velocity: 1.0mlmin -1; Detection wavelength is 277nm. 1HNMR(400MHz,CDCl 3)δ(ppm)2.93(2H,t),3.45(2H,t),4.10~4.16(4H,m),6.50(2H,d),6.83(2H,d),7.10~7.45(10H,m)。Ultimate analysis: C 24h 23clO 2calculated value C76.08%, H6.12%, Cl9.36%; Measured value C76.21%, H6.40%, Cl9.22%.
embodiment 81-phenyl-(4-hydroxyethyl oxygen base phenyl) methyl alcohol
Obtain ospemifene crude product with reference to WO2008/099059 method, adopt column chromatography method, ethyl acetate: sherwood oil=1:3 wash-out, obtains white solid.HPLC moving phase: 0.5% triethylamine solution (with phosphorus acid for adjusting pH value to 3.0)-acetonitrile=60:40; Flow velocity: 1.0mlmin -1; Detection wavelength is 277nm. 1hNMR:1.90 (t, 1H, OH), 3.85 (q, 2H, CH 2), 3.93 (m, 2H ,-CH 2), 4.65 (s, 1H), 6.65 (d, 2H, phenyl ring), 6.90~7.24 (m, 7H, phenyl ring).Ultimate analysis: C 15h 16o 3calculated value C73.75%, H6.60%; Measured value C73.55%, H6.24%.
embodiment 9ospemifene purifying
Ospemifene crude product 20g is added to normal hexane 10ml, and 40 DEG C are stirred 30min, slightly cold, leave standstill 1h hypsokinesis and go out liquid, and then add normal hexane 10ml, repeat aforesaid operations.Decompression steams residual solvent, and residue adds methyl alcohol and alcohol mixeding liquid 160ml heating for dissolving, is cooled to 40 DEG C, keeps this temperature to leave standstill and adds crystal seed crystallization.After crystallization, continue cooling and stirring crystallization, then freezing-25 DEG C placement.Filter, obtain white solid 15.2g, yield 76%, HPLC moving phase: 0.5% triethylamine solution (with phosphorus acid for adjusting pH value to 3.0)-acetonitrile=60:40; Flow velocity: 1.0mlmin -1; Detection wavelength is 277nm, content 99.92%.
embodiment 10ospemifene purifying
Ospemifene crude product 20g is added to hexanaphthene 100ml, and stirring at room temperature 30min, is cooled to 0 DEG C, leaves standstill 1h hypsokinesis and goes out liquid, and then add hexanaphthene 60ml, repeats aforesaid operations.Decompression steams residual solvent, and residue adds ethanol 200ml heating for dissolving, is cooled to 40 DEG C, slowly drips water 20ml, keeps this temperature to leave standstill and adds crystal seed crystallization.After crystallization, continue cooling and stirring crystallization, 25 DEG C of placements of room temperature.Filter, obtain white solid 14.8g, yield 74%, HPLC moving phase: 0.5% triethylamine solution (with phosphorus acid for adjusting pH value to 3.0)-acetonitrile=60:40; Flow velocity: 1.0mlmin -1; Detection wavelength is 277nm, content 99.89%.
embodiment 11ospemifene purifying
Ospemifene crude product 20g is added to heptane 50ml, stirring at room temperature 30min, cooling room temperature, leaves standstill 1h hypsokinesis and goes out liquid, and then add heptane 20ml, repeats aforesaid operations.Decompression steams residual solvent, and residue adds Virahol 160ml heating for dissolving, is cooled to 30 DEG C, slowly drips water 16ml, keeps this temperature to leave standstill and adds crystal seed crystallization.After crystallization, continue to be cooled to 0 DEG C of stirring and crystallizing, room temperature is placed.Filter, obtain white solid 15.8g, yield 79%, HPLC moving phase: 0.5% triethylamine solution (with phosphorus acid for adjusting pH value to 3.0)-acetonitrile=60:40; Flow velocity: 1.0mlmin -1; Detection wavelength is 277nm, content 99.85%.
embodiment 12ospemifene purifying
Ospemifene crude product 20g is added to hexanaphthene 40ml, stirring at room temperature 30min, cooling room temperature, leaves standstill 1h hypsokinesis and goes out liquid, and then add hexanaphthene 20ml, repeats aforesaid operations.Decompression steams residual solvent, and residue adds methyl alcohol 200ml heating for dissolving, is cooled to 30 DEG C, slowly drips water 20ml, keeps this temperature to leave standstill and adds crystal seed crystallization.After partial crystallization goes out, continue to be cooled to 0 DEG C of stirring and crystallizing.Filter, obtain white solid 16.2g, yield 81%, HPLC moving phase: 0.5% triethylamine solution (with phosphorus acid for adjusting pH value to 3.0)-acetonitrile=60:40; Flow velocity: 1.0mlmin -1; Detection wavelength is 277nm, content 99.90%.
embodiment 13ospemifene purifying
Ospemifene crude product 20g is added to normal hexane 200ml, stirring at room temperature 30min, cooling room temperature, leaves standstill 1h hypsokinesis and goes out liquid, and then add normal hexane 20ml, repeats aforesaid operations.Decompression steams residual solvent, and residue adds methyl alcohol, ethanol and Virahol mixed solution 300ml stirring at room temperature 1h, keeps this temperature to leave standstill and adds crystal seed crystallization.Filter, obtain white solid 12.4g, yield 62%, HPLC moving phase: 0.5% triethylamine solution (with phosphorus acid for adjusting pH value to 3.0)-acetonitrile=60:40; Flow velocity: 1.0mlmin -1; Detection wavelength is 277nm, content 99.93%.

Claims (6)

1. a method for the special impurity of simple and easy removal ospemifene, is characterized in that passing through following steps:
(1) adopt McMurry reaction to obtain ospemifene crude product;
(2) use alkanes organic solvent, crude product is carried out to liquid-solid extraction, discard organic solvent and obtain solid matter;
(3), after the solid matter of underpressure distillation step (2), use alcoholic solvent heating for dissolving;
(4) cooling leaves standstill crystallization, filters and obtains high purity ospemifene.
2. method according to claim 1, is characterized in that, described in step (2), alkane solvents is selected from normal hexane, hexanaphthene, heptane.
3. method according to claim 1, is characterized in that, alkane solvents described in step (2) and formula I crude product additional proportion are 1~8:1(V/M, volume mass ratio).
4. method according to claim 1, is characterized in that, in step (3) alcoholic solvent be selected from methyl alcohol, ethanol, Virahol any, the mixing of two kinds or the mixing of three kinds.
5. method according to claim 1, is characterized in that, leaves standstill crystallization and can be divided into two steps in step (4), and the first step is directly lower the temperature or add water for cooling, and temperature is 25~40 DEG C, and second step is for stirring cooling crystallization, and temperature is-25~25 DEG C.
6. method according to claim 1, is characterized in that, also can adopt alcoholic solvent room temperature to dissolve in step (3), (4), leaves standstill nature crystallization, filters and obtains high purity ospemifene.
CN201310071637.5A 2013-03-07 2013-03-07 Method for simply removing specific impurities from ospemifene Pending CN104030896A (en)

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Cited By (4)

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WO2016108172A1 (en) 2014-12-29 2016-07-07 Olon S.P.A. Process for the preparation of ospemifene and fispemifene
WO2017159669A1 (en) * 2016-03-15 2017-09-21 塩野義製薬株式会社 Method for producing phenoxyethanol derivative
EP3181545A4 (en) * 2014-09-16 2018-08-01 Shionogi & Co., Ltd. Method for producing triphenylbutene derivative
CN108514539A (en) * 2018-07-11 2018-09-11 广州市雅薏诗化妆品有限公司 One kind being based on mild effect anticorrosive composite used for cosmetic and the cosmetics preparation method

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3181545A4 (en) * 2014-09-16 2018-08-01 Shionogi & Co., Ltd. Method for producing triphenylbutene derivative
WO2016108172A1 (en) 2014-12-29 2016-07-07 Olon S.P.A. Process for the preparation of ospemifene and fispemifene
WO2017159669A1 (en) * 2016-03-15 2017-09-21 塩野義製薬株式会社 Method for producing phenoxyethanol derivative
CN108137457A (en) * 2016-03-15 2018-06-08 盐野义制药株式会社 The manufacturing method of Phenoxyethanol derivative
US10472312B2 (en) 2016-03-15 2019-11-12 Shionogi & Co., Ltd. Method for producing phenoxyethanol derivative
EA039048B1 (en) * 2016-03-15 2021-11-26 Сионоги Энд Ко., Лтд. Method for producing phenoxyethanol derivatives
CN108137457B (en) * 2016-03-15 2022-09-06 盐野义制药株式会社 Method for producing phenoxyethanol derivative
CN108514539A (en) * 2018-07-11 2018-09-11 广州市雅薏诗化妆品有限公司 One kind being based on mild effect anticorrosive composite used for cosmetic and the cosmetics preparation method
CN108514539B (en) * 2018-07-11 2021-07-27 广州市腾宇化妆品有限公司 Antiseptic composition for cosmetics based on mild effect and preparation method of cosmetics

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Application publication date: 20140910