CN108164521A - A kind of Parecoxib Sodium degradation impurity and its preparation, detection method and application - Google Patents

A kind of Parecoxib Sodium degradation impurity and its preparation, detection method and application Download PDF

Info

Publication number
CN108164521A
CN108164521A CN201810173211.3A CN201810173211A CN108164521A CN 108164521 A CN108164521 A CN 108164521A CN 201810173211 A CN201810173211 A CN 201810173211A CN 108164521 A CN108164521 A CN 108164521A
Authority
CN
China
Prior art keywords
preparation
lithium
parecoxib sodium
compound
degradation impurity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810173211.3A
Other languages
Chinese (zh)
Other versions
CN108164521B (en
Inventor
匡建明
张善军
冯强
李敏
刘力超
许娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHENGDU SINO-STRONG PHARMACEUTICAL Co Ltd
Original Assignee
CHENGDU SINO-STRONG PHARMACEUTICAL Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHENGDU SINO-STRONG PHARMACEUTICAL Co Ltd filed Critical CHENGDU SINO-STRONG PHARMACEUTICAL Co Ltd
Priority to CN201810173211.3A priority Critical patent/CN108164521B/en
Publication of CN108164521A publication Critical patent/CN108164521A/en
Application granted granted Critical
Publication of CN108164521B publication Critical patent/CN108164521B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D417/00Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C07D417/02Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
    • C07D417/04Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

The invention discloses degradation impurities of Parecoxib Sodium shown in formula I and preparation method thereof, solve the problems, such as that there has been no Parecoxib Sodium degradation impurity researchs in the prior art.The highly effective liquid phase chromatography detection method of application and the degradation impurity the invention also discloses the degradation impurity.The present invention provides the foundation for the Mechanism Study of the quality research of Parecoxib Sodium, research on standard, stability study, adverse drug reaction;Meanwhile the production for Parecoxib Sodium, packaging, storage, transport and the selection of application conditions provide foundation.

Description

A kind of Parecoxib Sodium degradation impurity and its preparation, detection method and application
Technical field
The invention belongs to pharmaceutical synthesis fields, and in particular to a kind of Parecoxib Sodium degradation impurity and its preparation, detection side Method and application.
Background technology
The research and development of Te Naishi Pharmacia companies it is first can intravenously administrable and intramuscular injection specific cyclooxygenase-2 (COX-2) water-soluble prodrug of inhibitor Valdecoxib (valdecoxib) belongs to the former times dry goods town in anti-arthritic Pain medicine can be clinically used for the treatment of moderate or severe postoperative acute pain.Special resistance to active ingredient is Parecoxib Sodium (Parecoxib Sodium), N- [[4- (5- methyl -3- phenyl -4- isoxazolyls) phenyl] sulfonyl] propionamide sodium salt.
The Parecoxib Sodium synthetic route of document report is more, and the difference of each process route is mainly reflected in intermediate 3,4- The preparation process of diphenyl -5- methylisoxazoles has difference.Pa Rui is thought in the factor analyses such as combined reaction condition, industrialization degree The industrial synthesis technique of former times cloth sodium be with 3,4- diphenyl -5- methylisoxazoles be raw material, through chlorosulfonation, ammonolysis, it is propionating, The preparation of Parecoxib Sodium is realized into salt, synthetic route is as follows:
Comprehensive literature research contents and synthesis technology think that highly basic involved in the preparation process of Parecoxib Sodium walks Suddenly, moreover, Parecoxib Sodium structure belongs to alkali compounds in itself, alkaline condition may cause propionamide in its structure etc. living Property group storage, transport or use during degrade, for example, the hydrolytic degradation of Parecoxib Sodium.
At present, it is less for the research data of Parecoxib Sodium degradation impurity, only in document Current The oxidation impurities of Parecoxib Sodium are described in Pharmaceutical Analysis, 2017,13,271-278 and are hydrolyzed miscellaneous Matter.Therefore, we study process contaminants issuable in technique same during Parecoxib Sodium technical study When, its degradation impurity is investigated, it is intended to for Parecoxib Sodium quality research and further formulate rational quality mark Standard provides guidance, for the storage of Parecoxib Sodium finished product, transport, the condition of links such as uses to provide foundation, guarantee drug Quality, stability and the drug safety of patient.
Invention content
It is an object of the present invention to:Design feature for Parecoxib Sodium and its production, packing and storing, The degradation impurity introduced in transportational process may cause the problem of quality, stability and drug risk of drug, provide a kind of pa The degradation impurity of auspicious former times cloth sodium is follow-up preparation process improvement, quality research, stability study and the packet of Parecoxib Sodium It fills selection of storage and transportation conditions etc. and basis is provided.
The second object of the present invention is:The preparation method of the degradation impurity is provided.
The third object of the present invention is:The application of the degradation impurity is provided.
The fourth object of the present invention is:The reference preparation for including the degradation impurity is provided.
The fifth object of the present invention is:The highly effective liquid phase chromatography detection method of the degradation impurity is provided.
To achieve the above object, the technical solution adopted by the present invention is:
A kind of Parecoxib Sodium degradation impurity of the present invention has the structure as shown in formula I:
Preferably, it is compound of formula I pharmaceutically acceptable salt, solvate.
The preparation method of degradation impurity of the present invention is included under alkali effect, and II compound of formula occurs in a solvent Ring closure reaction prepares type I compound:
Further, the alkali is selected from alkyllithium derivatives, lithium amide derivative;Wherein, alkyllithium derivatives are selected from just Any one or combination in butyl lithium, s-butyl lithium, lithium methide, tert-butyl lithium, hexyl lithium, cyclohexyl lithium, phenyl lithium;Ammonia Base lithium derivative is selected from one or more of lithium diisopropylamine, two (trimethyl silicon substrate) lithium amides, preferably diisopropyl Lithium amide.
The preparation method of degradation impurity of the present invention includes III compound of formula under the conditions of catalyst 1 with connecting boric acid frequency That alcohol ester reacts, and coupling reaction then, which occurs, with IV compound of formula under the conditions of catalyst 2 prepares type I compound:
Wherein, X is selected from chlorine, bromine, iodine.
Wherein, prepared by the method for the synthesized reference US2003105334 of II compound of formula;The synthesis of IV compound of formula With reference to Advanced Synthesis and Catalysis, 2002,344 (10), prepared by the method for 1146-1151.
Further, the catalyst 1 and catalyst 2 independently selected from palladium, tetrakis triphenylphosphine palladium, Pd/C, Any one or a few in palladium bichloride, [bis- (diphenylphosphino) ferrocene of 1,1'-] palladium chloride.
Further, it is carried out under the conditions of the reaction alkalinity that the catalyst 1 and catalyst 2 are catalyzed, the alkali is selected from phosphoric acid Any one or a few in potassium, potassium acetate, sodium acetate, potassium carbonate, sodium carbonate, cesium carbonate, lithium carbonate.
The present invention the Parecoxib Sodium degradation impurity as shown in formula I detection Parecoxib Sodium intermediate, bulk pharmaceutical chemicals and/ Or the application in preparation.Mechanism Study of the degradation impurity available for Parecoxib Sodium adverse reaction, Parecoxib Sodium intermediate, Application in the quality standard research and quality control of bulk pharmaceutical chemicals and preparation production as reference substance.
A kind of reference for detecting impurity content in Parecoxib Sodium intermediate, bulk pharmaceutical chemicals and/or preparation of the present invention Reagent, including the Parecoxib Sodium degradation impurity as shown in formula I.
A kind of high performance liquid chromatography for detecting Parecoxib Sodium degradation impurity of the present invention, chromatographic condition are:Color It is the analysis chromatographic column using C8, C18 or phenyl bonded silica as filler to compose column, using acetonitrile or acetonitrile-methanol as mobile phase A, with The buffer salt solution that pH is 2.8~3.2 is Mobile phase B, is eluted according to isocratic or gradient elution program.
Compared with prior art, the present invention has the following effects that:
The present invention provides the Parecoxib Sodium degradation impurities as shown in formula I, are quality research, the standard of Parecoxib Sodium Research, stability study, adverse drug reaction Mechanism Study provide the foundation;Meanwhile it is the production of Parecoxib Sodium, packet Dress, storage, transport and the selection of application conditions provide foundation.The quality standard that the degradation impurity can be produced in bulk pharmaceutical chemicals and preparation Application in research and quality control as reference substance.
The present invention also provides the preparation method of Parecoxib Sodium degradation impurity, this method synthetic route is short, reaction condition Mildly, easy to operate, Parecoxib Sodium degradation impurity purity obtained is high, the preparation available for impurity reference substance.
The detection method of the present invention is easy to operate, as a result accurately, Parecoxib Sodium can be made to reach baseline point with its degradation impurity From.
Description of the drawings
Fig. 1 be formula I shown in Parecoxib Sodium degradation impurity hydrogen nuclear magnetic resonance spectrogram (1H-NMR)。
Fig. 2 is the mass spectrogram (MS) of the Parecoxib Sodium degradation impurity shown in formula I.
Fig. 3 is Parecoxib Sodium of the present invention (24.243min) and the high performance liquid chromatography of its degradation impurity (44.524min) Figure.
Specific embodiment
The present invention provides detailed description below and makes more detailed description to present disclosure, but the present invention Subject area is not limited to specific examples below, and every the content of present invention that is based on is to compound group, reaction reagent, behaviour Technology, the technique that the equivalent replacement or combination that work, reaction step etc. are made are realized all belong to the scope of the present invention.
Embodiment 1
The preparation of type I compound is present embodiments provided, reaction equation is as follows:
Concrete operations are:II compound of 2.5g formulas, 30mL dry tetrahydrofurans are added in round-bottomed flask successively, nitrogen 11mL n-BuLis (1.6M) are slowly added in reaction solution under protection, -78 DEG C of cryogenic conditions, after adding, continue to be stirred to react 2h;Reaction solution is to slowly warm up to room temperature reaction overnight.Saturated ammonium chloride solution is slowly added into reaction solution, reaction, second is quenched Acetoacetic ester extracts, and organic layer is dry, concentration, and residue column chromatography obtains type I compound (R=H) as a white solid, about 0.56g, yield:24%;HPLC purity:96.3%.
Type I compound:1H-NMR(CD3COCD3,400MHz):δ=8.04 (d, J=8.0Hz, 1H), 7.90 (s, 1H), 7.72 (d, J=4.0Hz, 1H), 7.47~7.40 (m, 5H), 3.10 (q, J=8.0Hz, 2H), 2.57 (s, 3H), 1.29 (t, J =8.0Hz, 3H) ppm.
MS-ESI(m/z):351.3(M-H)-
Embodiment 2
The preparation of formula III compound is present embodiments provided, reaction equation is as follows:
Concrete operations are:Successively by bromo- 2- methoxycarbonyl groups benzsulfamide (the preparation method bibliography of 4.5g 4- Bioorganic&Medicinal Chemistry Letters 19 (2009) 6855-6861), 40mL dry tetrahydrofurans add Enter into round-bottomed flask, 0 DEG C is cooled under nitrogen protective condition, (1.0M, tetrahydrofuran are molten by 45mL ethyl phosphonium bromides magnesium solution Liquid) it is slowly dropped into reaction solution, after dripping off, after continuing stirring 30 minutes, reaction solution is to slowly warm up to room temperature, is stirred to react Overnight.It adds in 20mL water quenchings into reaction solution to go out reaction, ethyl acetate extraction, organic layer drying, concentration, residue progress column layer Analysis purifying obtains III compound of 1.5g formulas.
Embodiment 3
The preparation of type I compound is present embodiments provided, reaction equation is as follows:
By III compound of 1.5g formulas, 1.7g connection boric acid pinacol esters, 0.3g [1,1'- bis- (diphenylphosphines) two in embodiment 2 Luxuriant iron] palladium chloride, 1.2g potassium acetates, 20ml Isosorbide-5-Nitraes-dioxane be added in round-bottomed flask, under nitrogen protection, will react Liquid is to slowly warm up to 100 DEG C and reacts 5 hours, and reaction solution is cooled to room temperature, is filtered, and filtrate concentration, residue carries out column chromatography Subsequent reactions are carried out after purification.
Successively by above-mentioned product, IV compound of 1.2g formulas, 0.2g tetrakis triphenylphosphine palladiums, 10mL ethyl alcohol, 5mL 2M carbonic acid Sodium solution is added in round-bottomed flask, and back flow reaction is to slowly warm up under stirring condition.TLC monitors reaction process.By reaction solution It is cooled to room temperature, adds in 20mL saturated salt solutions, ethyl acetate extraction, organic layer drying, concentration, it is pure that residue carries out column chromatography Change obtains type I compound as a white solid, about 0.5g, two step total recoverys:26%;HPLC purity:97.8%.
Embodiment 4
The present embodiment provides the highly effective liquid phase chromatography detection methods of the auspicious former times cloth sodium light degradation impurity of pa.
Detecting instrument:1260 high performance liquid chromatograph of Agilent
Chromatographic condition:Chromatographic column is Agilengt Eclipse XDB-C18 4.6*150mm 5um;Column temperature is 40 DEG C;Stream Speed is 1.0ml/min;Detection wavelength is 215nm, with acetonitrile -0.01mol/L disodium phosphate solns (30:70) it is mobile phase etc. Degree elution, wherein 0.01mol/L disodium phosphate solns phosphoric acid tune pH to 3.0.Its dosage is 30:70.
The preparation of sample:Parecoxib Sodium 25mg is taken to put in 50ml volumetric flasks, 40% acetonitrile solution is added to dissolve and dilutes quarter Degree, shake up to get.
The preparation of reference substance:Type I compound 11mg, Parecoxib Sodium 23mg is taken to put in same 50ml volumetric flasks, adds 40% Acetonitrile solution dissolves and dilutes scale, shake up to get.
Detection method:Sample and each 10 μ l injections liquid chromatograph of reference substance solution are taken, is measured by the chromatographic condition, note Chromatogram is recorded, completes to measure;Gained chromatogram is as shown in Figure 3.
The results show that baseline separation can be reached using the auspicious former times cloth sodium of the present embodiment method and its light degradation impurity, detect Rapidly, as a result accurately.
Embodiment 5
The present embodiment provides the highly effective liquid phase chromatography detection methods of the auspicious former times cloth sodium light degradation impurity of pa.
Detecting instrument:1260 high performance liquid chromatograph of Agilent
The preparation of sample:Parecoxib Sodium 25mg is taken to put in 50ml volumetric flasks, 40% acetonitrile solution is added to dissolve and dilutes quarter Degree, shake up to get
The preparation of reference substance:Type I compound 11mg, Parecoxib Sodium 25mg is taken to put in same 50ml volumetric flasks, adds 40% Acetonitrile solution dissolves and dilutes scale, shake up to get.
Gradient chromatography condition:It is filler (such as Agilengt Eclipse XDB-C18 with octadecyl silane; 150mm×4.6mm,5μm).Detection wavelength is 215nm, and column temperature is 40 DEG C, and flow velocity is 1.0ml per minute.
Mobile phase A:Acetonitrile-methanol (4:1)
Mobile phase B:0.1% phosphoric acid solution
Gradient elution time sequencing is as follows:
Detection method:Sample and each 10 μ l injections liquid chromatograph of reference substance solution are taken, is measured by the chromatographic condition, note Chromatogram is recorded, completes to measure.
The results show that baseline separation can be reached using the auspicious former times cloth sodium of the present embodiment method and its light degradation impurity, detect Rapidly, as a result accurately.
Above-described embodiment is only one of the preferred embodiment of the present invention, should not be taken to limit the protection model of the present invention Enclose, as long as the present invention body design thought and that mentally makes have no the change of essential meaning or polishing, solved The technical issues of it is still consistent with the present invention, should all be included within protection scope of the present invention.

Claims (10)

1. a kind of Parecoxib Sodium degradation impurity, which is characterized in that there is the structure as shown in formula I:
2. degradation impurity according to claim 1, which is characterized in that for compound of formula I pharmaceutically acceptable salt, solvent Compound.
3. the preparation method of degradation impurity according to claim 1 or 2, which is characterized in that be included under alkali effect, formula II Compound occurs ring closure reaction and prepares type I compound in a solvent:
4. preparation method according to claim 3, which is characterized in that the alkali is selected from alkyllithium derivatives, lithium amide spreads out Biology;Wherein, alkyllithium derivatives be selected from n-BuLi, s-butyl lithium, lithium methide, tert-butyl lithium, hexyl lithium, cyclohexyl lithium, Any one or a few in phenyl lithium;Lithium amide derivative is selected from lithium diisopropylamine, two (trimethyl silicon substrate) lithium amides One or more of, preferred lithium diisopropylamine.
5. the preparation method of degradation impurity according to claim 1 or 2, which is characterized in that urged including III compound of formula It is reacted under the conditions of agent 1 with even boric acid pinacol ester, coupling reaction system then occurs with IV compound of formula under the conditions of catalyst 2 Standby type I compound:
Wherein, X is selected from chlorine, bromine, iodine.
6. preparation method according to claim 5, which is characterized in that the catalyst 1, catalyst 2 independently selected from It is arbitrary in palladium, tetrakis triphenylphosphine palladium, Pd/C, palladium bichloride, [bis- (diphenylphosphino) ferrocene of 1,1'-] palladium chloride It is one or more of.
7. preparation method according to claim 5 or 6, which is characterized in that the catalyst 1 and catalyst 2 are catalyzed anti- It answers and is carried out under alkaline condition, the alkali is in potassium phosphate, potassium acetate, sodium acetate, potassium carbonate, sodium carbonate, cesium carbonate, lithium carbonate Any one or a few.
8. degradation impurity as claimed in claim 1 or 2 is in detection Parecoxib Sodium intermediate, bulk pharmaceutical chemicals and/or preparation Using.
9. the reference reagent of impurity content in a kind of detection Parecoxib Sodium intermediate, bulk pharmaceutical chemicals and/or preparation, will including right Seek the impurity described in 1 or 2.
10. a kind of highly effective liquid phase chromatography detection method of the Parecoxib Sodium degradation impurity described in claims 1 or 2, feature exist In chromatographic condition is:Chromatographic column is the analysis chromatographic column using C8, C18 or phenyl bonded silica as filler, with acetonitrile or acetonitrile- Methanol is mobile phase A, using the buffer salt solution that pH is 2.8~3.2 as Mobile phase B, is carried out according to isocratic or gradient elution program Elution.
CN201810173211.3A 2018-03-02 2018-03-02 Parecoxib sodium degradation impurity, and preparation method, detection method and application thereof Active CN108164521B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810173211.3A CN108164521B (en) 2018-03-02 2018-03-02 Parecoxib sodium degradation impurity, and preparation method, detection method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810173211.3A CN108164521B (en) 2018-03-02 2018-03-02 Parecoxib sodium degradation impurity, and preparation method, detection method and application thereof

Publications (2)

Publication Number Publication Date
CN108164521A true CN108164521A (en) 2018-06-15
CN108164521B CN108164521B (en) 2020-11-13

Family

ID=62511901

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810173211.3A Active CN108164521B (en) 2018-03-02 2018-03-02 Parecoxib sodium degradation impurity, and preparation method, detection method and application thereof

Country Status (1)

Country Link
CN (1) CN108164521B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108828127A (en) * 2018-06-21 2018-11-16 上药东英(江苏)药业有限公司 Liquid-phase chromatography method in relation to substance in a kind of detection Parecoxib Sodium and synthetic intermediate
CN110642801A (en) * 2019-09-20 2020-01-03 深圳市祥根生物科技有限公司 Preparation method of parecoxib meta-isomer impurity
CN111257441A (en) * 2019-12-31 2020-06-09 河南润弘制药股份有限公司 Method for detecting impurities in parecoxib sodium synthesis process

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996025405A1 (en) * 1995-02-13 1996-08-22 G.D. Searle & Co. Substituted isoxazoles for the treatment of inflammation
WO1997038986A1 (en) * 1996-04-12 1997-10-23 G.D. Searle & Co. Substituted benzenesulfonamide derivatives as prodrugs of cox-2 inhibitors
CN1578774A (en) * 2001-10-02 2005-02-09 法玛西雅公司 Method for preparing benzenesulfonyl compounds
CN104557755A (en) * 2015-01-04 2015-04-29 成都克莱蒙医药科技有限公司 Synthesis method for parecoxib sodium impurity
CN106908525A (en) * 2017-01-16 2017-06-30 山东省药学科学院 A kind of analysis method for determining SC 69124 intermediate and SC 69124 about material
CN109568277A (en) * 2019-01-30 2019-04-05 成都欣捷高新技术开发股份有限公司 Citric acid is preparing application in SC 69124 sodium freeze-dried preparation composition and combinations thereof and preparation method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996025405A1 (en) * 1995-02-13 1996-08-22 G.D. Searle & Co. Substituted isoxazoles for the treatment of inflammation
WO1997038986A1 (en) * 1996-04-12 1997-10-23 G.D. Searle & Co. Substituted benzenesulfonamide derivatives as prodrugs of cox-2 inhibitors
CN1578774A (en) * 2001-10-02 2005-02-09 法玛西雅公司 Method for preparing benzenesulfonyl compounds
CN104557755A (en) * 2015-01-04 2015-04-29 成都克莱蒙医药科技有限公司 Synthesis method for parecoxib sodium impurity
CN106908525A (en) * 2017-01-16 2017-06-30 山东省药学科学院 A kind of analysis method for determining SC 69124 intermediate and SC 69124 about material
CN109568277A (en) * 2019-01-30 2019-04-05 成都欣捷高新技术开发股份有限公司 Citric acid is preparing application in SC 69124 sodium freeze-dried preparation composition and combinations thereof and preparation method

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
HERMANN, CHRISTINE K. F.ET AL.: "Aromatic heteroannulation via metalation-cyclization of N-acyl-2-chlorobenzenesulfonamides and N-acylbenzenesulfonamides", 《J. ORG. CHEM.》 *
KUI-YONG DONG ET AL.: "Oxime-Mediated Facile Access to 5‑Methylisoxazoles and Applications in the Synthesis of Valdecoxib and Oxacillin", 《ORG. LETT.》 *
TALEB T. AL-NAHARY ET AL.: "Thermal stability of anti-rheumatic pharmaceutical drugs parecoxib sodium and valdecoxib", 《JOURNAL OF SAUDI CHEMICAL SOCIETY》 *
宋岩珺: "仿制药注射用帕瑞昔布钠质量一致性评价药学研究", 《中国优秀硕士论文全文数据库》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108828127A (en) * 2018-06-21 2018-11-16 上药东英(江苏)药业有限公司 Liquid-phase chromatography method in relation to substance in a kind of detection Parecoxib Sodium and synthetic intermediate
CN110642801A (en) * 2019-09-20 2020-01-03 深圳市祥根生物科技有限公司 Preparation method of parecoxib meta-isomer impurity
CN111257441A (en) * 2019-12-31 2020-06-09 河南润弘制药股份有限公司 Method for detecting impurities in parecoxib sodium synthesis process
CN111257441B (en) * 2019-12-31 2022-07-29 河南润弘制药股份有限公司 Method for detecting impurities in parecoxib sodium synthesis process

Also Published As

Publication number Publication date
CN108164521B (en) 2020-11-13

Similar Documents

Publication Publication Date Title
CN108164521A (en) A kind of Parecoxib Sodium degradation impurity and its preparation, detection method and application
CN102040625B (en) Chiral spiro pyridylamidophosphine ligand compounds and synthesis method and application thereof
Shu et al. Organoiridium catalyzed hydrogen isotope exchange: ligand effects on catalyst activity and regioselectivity
KR20110095898A (en) Fluorination of organic compounds
CN110156766A (en) Preparation method of silver-catalyzed deuterated five-membered aromatic heterocyclic compound
CN103980186B (en) The preparation method of (R)-3-amino piperidine of amido protecting
Kormos et al. Synthesis and enantiomeric recognition studies of a novel 5, 5-dioxophenothiazine-1, 9 bis (thiourea) containing glucopyranosyl groups
Soeta et al. An asymmetric intramolecular Stetter reaction catalyzed by a chiral triazolium precatalyst bearing a pyridine moiety
CN102643251A (en) Linezolid degradation impurity and preparation method thereof
EP3063154B1 (en) Cross-coupling of unactivated secondary boronic acids
Dong et al. Chiral ionic liquids synthesis and their applications in racemic drug separation and analysis
Nock et al. Novel six-coordinate oxorhenium “3+ 2” mixed-ligand complexes carrying the SNS/PO donor atom set: synthesis and characterization
CN104418804B (en) A kind of celecoxib impurity and preparation method thereof, application
Qiao et al. A Versatile Route to Acyl (MIDA) boronates
CN103965231B (en) For detecting the acid amides boric acid ester of bortezomib intermediate purity, preparation method and application thereof
Suzuki et al. Efficient synthesis of [11C] H-1152, a PET probe specific for Rho-kinases, highly potential targets in diagnostic medicine and drug development
CN107941946A (en) A kind of detection method of Vonoprazan fumarate
Löser et al. Use of 3-[18F] fluoropropanesulfonyl chloride as a prosthetic agent for the radiolabelling of amines: Investigation of precursor molecules, labelling conditions and enzymatic stability of the corresponding sulfonamides
CN103930388A (en) Novel precursors of glutamate derivatives
US20110263849A1 (en) Method for rapidly methylating heteroaromatic arene and method for producing tracer for use in pet
Zhu et al. Truxillic acid monoamides as fatty acid binding protein 5 inhibitors
Li et al. Synthesis and biological evaluation of novel 4-benzylpiperazine ligands for sigma-1 receptor imaging
Suzuki et al. Pd0‐Mediated Rapid Coupling between Methyl Iodide and Heteroarylstannanes: An Efficient and General Method for the Incorporation of a Positron‐Emitting 11C Radionuclide into Heteroaromatic Frameworks
CN104771392A (en) Histone deacetylase inhibitor and applications thereof
CN101768118B (en) Bi-imidazoline diphenylamine compound and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A Paricoxib Sodium Degradation Impurity and Its Preparation, Detection Method and Application

Granted publication date: 20201113

Pledgee: Bank of Chengdu science and technology branch of Limited by Share Ltd.

Pledgor: CHENGDU SINO-STRONG PHARMACEUTICAL Co.,Ltd.

Registration number: Y2024980024385