WO2012016506A1 - 泰诺福韦双特戊酯富马酸盐的晶体 - Google Patents
泰诺福韦双特戊酯富马酸盐的晶体 Download PDFInfo
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- WO2012016506A1 WO2012016506A1 PCT/CN2011/077871 CN2011077871W WO2012016506A1 WO 2012016506 A1 WO2012016506 A1 WO 2012016506A1 CN 2011077871 W CN2011077871 W CN 2011077871W WO 2012016506 A1 WO2012016506 A1 WO 2012016506A1
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- Prior art keywords
- crystal
- tenofovir dipivoxil
- fumarate
- dipivoxil fumarate
- composition
- Prior art date
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Classifications
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- C07F9/02—Phosphorus compounds
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6561—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing systems of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring or ring system, with or without other non-condensed hetero rings
- C07F9/65616—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing systems of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring or ring system, with or without other non-condensed hetero rings containing the ring system having three or more than three double bonds between ring members or between ring members and non-ring members, e.g. purine or analogs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
- A61P31/18—Antivirals for RNA viruses for HIV
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/20—Antivirals for DNA viruses
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
- C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
- C07C57/13—Dicarboxylic acids
- C07C57/15—Fumaric acid
Definitions
- the present invention relates to crystals of a pharmaceutical compound, and in particular to crystals of (R)-9-[2-bis(pivaloyloxyindenyl)phosphonyloxypropyl]adenine fumarate.
- the invention further relates to crystalline compositions, pharmaceutical compositions comprising the crystals, and processes for their preparation and use. Background of the invention
- Phosphonoyloxynucleotides have activity against viruses such as HIV, HBV, CMV, HSV HSV-2 and human vesicular viruses.
- 9- [2 - (Yue phosphonooxy) ethyl] adenosine (called cylindrical PMEA) and 9 - [(R) - 2 - ( Yue phosphonooxy) propyl] adenosine (PMPA called cartridge) is Two examples of this class of compounds have been used in clinical antiviral therapy.
- phosphonate contained in the phosphonooxyloxynucleotide analog affects the body's absorption, it is generally necessary to convert the phosphono-oxyloxynucleotide analog to a lipophilic prodrug to enhance its bioavailability. degree.
- Tenofovir disoproxil approved by the FDA for the treatment of AIDS, is a lipophilic prodrug of PMPA that can be metabolized in vivo to the corresponding antiviral drug PMPA.
- PCT Patent Application No. WO2006133632 discloses crystal forms, salts, amorphous solids, etc. of tenofovir distepyl ester of the formula (Formula II), wherein a tenofovir down tube of the formula I is also disclosed. Called A crystal).
- One aspect of the invention provides a Form B crystal of tenofovir dipivoxil fumarate of Formula I.
- Another aspect of the present invention provides a B-type crystal composition, wherein the above-mentioned B-type crystal accounts for 50% or more by weight of the crystal composition, preferably 80% or more, more preferably 90% or more, and most preferably 95% or more. .
- Another aspect of the invention provides a pharmaceutical composition comprising a therapeutically effective amount of the above-described Form B crystal, or a Type B crystal composition as described above.
- Another aspect of the invention provides a method of preventing or treating a viral infection in a mammal comprising administering to a mammal in need thereof a therapeutically effective amount of the above-described Form B crystal, the above-described Form B crystal composition, or the above pharmaceutical composition.
- Another aspect of the present invention provides the use of the above-described Form B crystal, the above Type B crystal composition, or the above pharmaceutical composition for the preparation of a medicament for preventing or treating a disease associated with a viral infection.
- Another aspect of the present invention provides a method of preparing the above-described B-type crystal or the above-described B-type crystal composition, which comprises:
- Figure 1 is an XRD of the tenofovir dipivoxil fumarate Form B crystal of Example 1. (X-ray powder diffraction) map.
- Figure 2 is a DSC (differential scanning calorimetry) spectrum of tenofovir dipivoxil fumarate Form B crystal of Example 1.
- Fig. 3 is an IR (infrared absorption spectrum) spectrum of the tenofovir dipivoxil fumarate Form B crystal of Example 1.
- Figure 4 is an XRD pattern of tenofovir dipivoxil fumarate Form A crystal of Comparative Example 1.
- Figure 5 is a DSC spectrum of tenofovir dipivoxil fumarate Form A crystal of Comparative Example 1.
- Figure 6 is an IR spectrum of the tenofovir dipivoxil fumarate Form A crystal of Comparative Example 1. Detailed description of the invention
- “Mammal” includes humans and domestic animals such as laboratory mammals and family pets (such as cats, dogs, pigs, cows, sheep, goats, horses, rabbits), and non-domestic mammals, such as wild mammals.
- pharmaceutical composition refers to a formulation of a compound of the invention and a medium generally accepted in the art for delivery of a biologically active compound to a mammal, such as a human.
- the medium includes all pharmaceutically acceptable carriers for its use.
- the pharmaceutical composition facilitates administration of the compound to the organism.
- carrier is defined as a compound that facilitates the introduction of a compound into a cell or tissue.
- DMSO disulfoxide
- carrier because it is easy to introduce certain organic compounds into cells or tissues of an organism.
- “Pharmaceutically acceptable carrier” includes, but is not limited to, any adjuvants, excipients, glidants, sweeteners, diluents, preservatives, dyes approved by the National Drug Administration for human or domestic use.
- “Therapeutically effective amount” means an amount of a compound of the invention which, when administered to a mammal, preferably a human, is sufficient to effect treatment of the viral infection in a mammal, preferably a human, as defined below.
- the amount of the compound of the present invention which constitutes a “therapeutically effective amount” varies depending on the compound, the state of the disease and its severity, the mode of administration, and the age of the mammal to be treated, but can be routinely determined by one of ordinary skill in the art. Knowledge and the content of this disclosure are determined.
- treatment encompasses the treatment of a viral infection in a mammal, preferably a human, having a viral infection, and includes:
- One aspect of the invention provides a Form B crystal of tenofovir dipivoxil fumarate of Formula I.
- the B-type crystal of tenofovir distequinate fumarate of the present invention uses Cu- ⁇ radiation, and its XRD spectrum is represented by a crystal face distance d value of about 18.4714 ⁇ , 5.035 ⁇ , 4.638 ⁇ , 4.5347A, 4.3838A.
- diffraction peaks at 4.2874A and 3.6304A typically about 18 ⁇ 4714 ⁇ , 8 ⁇ 3234 ⁇ , 6 ⁇ 087 ⁇ , 5 ⁇ 035 ⁇ , 4 ⁇ 7262 ⁇ , 4 ⁇ 638 ⁇ , 4 ⁇ 5347 ⁇ , 4.3838 ⁇ , 4.2874 ⁇ , 3.9414 ⁇ , 3.6304 ⁇ has diffraction peaks, further typically about 18 ⁇ 4714 ⁇ , 8 ⁇ 3234 ⁇ , 6 ⁇ 722 ⁇ , 6 ⁇ 4396 ⁇ , 6 ⁇ 087 ⁇ , 5 ⁇ 035 ⁇ , 4 ⁇ 7262 ⁇ , 4 ⁇ 6380 ⁇ , 4 ⁇ 5347 ⁇ , 4 ⁇ 3838 ⁇ , 4 ⁇ 2874 ⁇ , 3 ⁇ 9414 ⁇ , 3.6304 ⁇ have diffraction peaks, and further typically about 18.4714 ⁇ , 8.7854 ⁇ , 8.3234 ⁇ , 6.722 ⁇ , 6 ⁇ 4396 ⁇ , 6 ⁇ 0870 ⁇ , 5 ⁇ 7268 ⁇ , 5 ⁇ 3106 ⁇ , 5 ⁇ 035 ⁇ , 4 ⁇ 8756 ⁇ , 4 ⁇ 7262 ⁇ , 4 ⁇ 6380 ⁇ , 4 ⁇ 5347
- the DSC endothermic transition of the indole-type crystal of the tenofovir dipivoxil fumarate of the present invention has a starting point of 120 ° C, a peak of about 121 ° C and a heating rate of 10 ° C / min.
- the IR of the B-type crystal of the tenofovir dipivoxil fumarate of the present invention has an absorption peak at 3208 cm" 1 , 1748 cm" 1 , 1689 cm.
- a typical example of the type B crystal of tenofovir distequine fumarate of the present invention has an XRD pattern as shown in Fig. 1, which has the following characteristics: No. 2 ⁇ d value /AI/Io
- Non-limiting, a typical example of the type B crystal of tenofovir dipivoxil fumarate of the present invention has a DSC pattern as shown in FIG. 2, and the heating rate is 10 ° C / minute.
- a typical example of the type B crystal of tenofovir distequine fumarate of the present invention has an IR spectrum as shown in Fig. 3.
- the type B crystal of tenofovir dipivoxil fumarate of the present invention has excellent stability, little residual solvent, and is easy to prepare. Further, the type B crystal of tenofovir dipivoxil fumarate of the present invention has excellent fluidity and is suitable as a pharmaceutical preparation.
- the diffraction pattern obtained from the crystalline compound is often characteristic for a particular crystal form, wherein the relative intensity of the band (especially at low angles) may be due to crystal conditions, particle size, and Other advantageous measurement effects due to differences in measurement conditions vary. Therefore, the relative intensity of the diffraction peaks is not characteristic for the crystal form to be targeted. When judging whether it is the same as the known crystal form, more attention should be paid to the relative positions of the peaks rather than their relative intensities.
- the peak is usually represented by a 2 ⁇ angle or a crystal plane distance d. Position, since the 2 ⁇ angle is related to the wavelength of the incident X-ray, it is more representative with the crystal face distance d.
- DSC measures the transition temperature when a crystal absorbs or releases heat due to a change in its crystal structure or crystal melting.
- the thermal transition temperature and melting point error are typically within about 5 ° C, usually within about 3 ° C, when we say a compound has a given At the DSC peak or melting point, this means the DSC peak or melting point ⁇ 5 °C.
- DSC provides an auxiliary method for identifying different crystal forms. Different crystal states can be identified based on their different transition temperature characteristics. It should be noted that for the mixture, the DSC peak or melting point may vary over a larger range.
- the melting temperature is related to the rate of temperature rise due to decomposition during the melting of the substance.
- IR measures the infrared absorption caused by a specific chemical bond associated with a group vibrating in response to light. Since the electrical environment of covalent bonds in different crystal forms is different, the strength of covalent bonds will also change, and the change in the strength of covalent bonds will inevitably lead to differences in the IR spectra of different crystal forms.
- Another aspect of the present invention provides a type B crystal composition of tenofovir dipivoxil fumarate, wherein the above-mentioned type B crystal of tenofovir dipivoxil fumarate accounts for a crystal composition
- the weight is 50% or more, preferably 80% or more, more preferably 90% or more, and most preferably 95% or more.
- the B-type crystal composition may contain a small amount of other crystal forms and an amorphous form of tenofovir distepyl ester fumarate.
- Another aspect of the present invention provides a process for the preparation of a B-type crystal or a B-type crystal composition of tenofovir dipivoxil fumarate, which comprises:
- step (c) is carried out in a cooled state.
- the method of preparing a Form B or a Form B crystal composition of tenofovir disteprate fumarate further comprises:
- a more preferred preparation method is:
- step (c) is carried out under cooling to a temperature of from -10 ° C to 5 ° C.
- the method for preparing a Form B or a Form B crystal composition of tenofovir dipivoxil fumarate further comprises:
- the lower alcohol refers to an alcohol having 1 to 6 carbon atoms, including but not limited to methanol, ethanol, propanol, isopropanol, n-butanol, isobutanol, tert-butanol, 1-pentyl Alcohol, 2-pentanol, 3-pentanol, 2-methyl-1-butanol, 3-methyl-1-butanol, 2-methyl-2-butanol, 3-methyl-2-butanol
- the alcohol, 2,2-dimethyl-1-propanol, n-hexanol is preferably an alcohol having 1 to 4 carbon atoms.
- the lower ketone refers to a ketone having 3 to 6 carbon atoms, including but not limited to acetone, butanone, 2-pentanone, 3-pentanone, 2-hexanone, 3-hexanone, 4 Especially selected are acetone and methyl ethyl ketone.
- compositions comprising a therapeutically effective amount of a Form B crystal or a B-type crystal composition of tenofovir dipivoxil fumarate of Formula I and other suitable pharmaceuticals Accessories.
- the pharmaceutical composition may further contain other therapeutic ingredients or auxiliary ingredients such as other antiviral agents, immunostimulating agents, hepatoprotectants, and L-carnitine and salts thereof, as needed.
- Pharmaceutically acceptable excipients include, but are not limited to, one or more of a binder, a diluent, a disintegrant, a preservative, a dispersing agent, a glidant (anti-adhesive), or a lubricant.
- compositions of the present invention may be administered orally, rectally, vaginally, nasally, topically (including the eyes, mouth and sublingual) and parenterally (including subcutaneous, Administration by muscle, intravenous, intradermal, intrathecal and epidural, etc., preferably oral administration.
- the pharmaceutical composition of the present invention is preferably in the form of a tablet, a capsule, a powder, a granule, a dropping pill, a powder, a granule, an elixir or a paste.
- the tablet is preferably a common tablet, a dispersible tablet, an effervescent tablet, a sustained release tablet, a controlled release tablet or an enteric coated tablet; and the capsule is preferably a general capsule, a sustained release capsule, a controlled release capsule or an intestinal sol.
- the amount of the type B crystal or the type B crystal composition as an active ingredient in the unit preparation varies depending on various factors such as symptoms and age, but is usually orally administered.
- the amount of the active ingredient administered is 5 to 300 mg, preferably 5 to 150 mg.
- the tablet or capsule may also contain a suitable amount of a filler such as starch, sucrose or lactose; a binder such as water, ethanol, polyvinylpyrrolidone or pregelatinized starch; Such as microcrystalline cellulose, croscarmellose sodium or cross-linked polyvinylpyrrolidone; lubricants such as magnesium stearate, talc or silica. It can also contain formaldehyde scavengers (such as lysine or gelatin) to capture B-type crystals. Formaldehyde that may be released during storage.
- the pharmaceutical composition of the present invention when a tablet or a capsule, it preferably contains a basic pharmaceutical carrier including an alkali carbonate and an alkali hydroxide.
- a basic pharmaceutical carrier including an alkali carbonate and an alkali hydroxide.
- Preferred basic carbonates are calcium carbonate, magnesium carbonate, carbonate, ferrous carbonate or aluminum carbonate; preferred alkaline hydroxides are magnesium hydroxide, calcium hydroxide, aluminum hydroxide or iron hydroxide.
- the pharmaceutical composition of the present invention is a tablet or a capsule, it preferably contains L-carnitine or a salt thereof (e.g., L-carnitine-L-tartrate (2:1)).
- L-carnitine or a salt thereof e.g., L-carnitine-L-tartrate (2:1)
- the pivalic acid produced by the metabolism of tenofovir dipivoxil fumarate in the body may reduce the concentration of L-carnitine in the patient.
- a pharmaceutical composition comprising L-carnitine or a salt thereof can reduce the effect of pivalic acid in reducing L-carnitine in a patient.
- the composition of the present invention is a dispersible tablet
- the composition may contain from about 0.5 to 60% of a disintegrant for the purpose of rapid disintegration.
- the pharmaceutical composition of the present invention may also be in the form of a sterile powder for injection and an injectable liquid, which may be administered by injection.
- Another aspect of the invention provides a method of preventing or treating a viral infection in a mammal comprising administering to the animal in need thereof a therapeutically effective amount of the above-described Form B crystal, the above-described Form B crystal composition, or the above pharmaceutical composition.
- Another aspect of the present invention provides the use of the above-described Form B crystal, the above Type B crystal composition, or the above pharmaceutical composition for the preparation of a medicament for preventing or treating a disease associated with a viral infection.
- the virus includes HIV, HBV, CMV, HSV-1, HSV-2 or human vesicular virus, preferably HIV or HBV.
- the crystals, crystal compositions and pharmaceutical compositions of the invention are preferably used in warm-blooded animals, more preferably in humans.
- Comparative Example 1 Preparation of tenofovir dipivoxil fumarate Form A crystal
- the preparation method of the tenofovir dipivoxil fumarate is carried out in accordance with the method of Example 24 in WO2006133632.
- Example 1 Preparation of tenofovir dipivoxil fumarate 00 Form B crystal
- Example 1 The B-type crystal obtained in Example 1 was uniformly dispersed into an open culture sub-division, the thickness was ⁇ 5 mm, placed in a light box, and placed under the condition of 4500 ⁇ 500 Lx for 10 days, on the 5th and 10th days. Sampling, testing according to the stability of the key project, and comparison with the results of 0 days. The results are shown in Table 1. Table 1 Tenofovir fumarate B-type crystal illumination test
- Example 2 Two samples of the B-type crystal obtained in Example 1 were dispersed into open culture sub-dens, thickness ⁇ 5 mm, and placed in a constant temperature drying oven at 40 ° C and 60 ° C for 10 days, on the 5th and 10th days. Sampling, testing according to the stability of the key project, and comparing with the results of 0 days. The results are shown in Tables 2 and 3. Table 2 Tenofovir dipivoxil fumarate B type crystal high temperature (40 ° C) test
- Example 5 High humidity test of tenofovir dipivoxil fumarate type B crystal
- Example 2 The B-type crystal obtained in Example 1 was uniformly dispersed into an open culture sub-densation, the thickness was ⁇ 5 mm, and placed in a constant temperature and humidity chamber, and placed at a relative humidity of 90% ⁇ 5% at 25 ° C for 10 days. Samples were taken on days 5 and 10, and were tested according to the stability focus project and compared with the results of 0 days. The results are shown in Table 4. Table 4 Tenofovir dipivoxil fumarate B type crystal high humidity (92.5%) test Experiment
- Example 1 The B-type crystal obtained in Example 1 was sealed and packaged in a medicinal polyethylene film plastic bag, and placed in a constant temperature and humidity incubator at a temperature of 40 ⁇ 2 ° C and a relative humidity of 75% ⁇ 5% for six months during the test. Samples were taken at the end of the first month, the second month, the third month, and the sixth month, and the project was tested according to the stability. And compared with the results of the month. The results are shown in Table 5. Table 5 Tenofovir dipivoxil fumarate B-type crystal accelerated test results (temperature 40 ⁇ 2 ° C)
- Example 2 The Form B crystal obtained in Example 2 was passed through an 80 mesh sieve, and the dried lactose, pregelatinized starch, and croscarmellose sodium were respectively passed through a 60 mesh sieve, and then the sieved raw materials were mixed. , after 60 mesh sieve, dry granulation after mixing, the obtained granules are sieved with 20 mesh Whole grain, add magnesium stearate and mix.
- Example 8 Long-term test of tenofovir dipivoxil fumarate Form B crystal
- the B-type crystal obtained in Example 1 was sealed and packaged with a medicinal polyethylene film plastic bag at a temperature of 25 ⁇ 2 ° C and a relative humidity of 60% ⁇ 10 Placed under % conditions, samples were taken at 3, 6, 9 and 12 months respectively, and tested according to the stability key investigation items, and compared with the results of 0 month, the results are shown in Table 6.
- Table 6 Long-term test results of tenofovir dipivoxil fumarate B-type crystal
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Abstract
Description
Claims
Priority Applications (5)
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KR1020137004442A KR20130095735A (ko) | 2010-08-01 | 2011-08-01 | 테노포비어 디소프록실 푸마레이트의 결정 |
CN201180037633.4A CN103038241B (zh) | 2010-08-01 | 2011-08-01 | 泰诺福韦双特戊酯富马酸盐的晶体 |
US13/813,644 US9187508B2 (en) | 2010-08-01 | 2011-08-01 | Crystalline forms of tenofovir dipivoxil fumarate |
AU2011288091A AU2011288091B2 (en) | 2010-08-01 | 2011-08-01 | Crystals of Tenofovir disoproxil fumarate |
JP2013522087A JP2013535475A (ja) | 2010-08-01 | 2011-08-01 | フマル酸テノホビルジソプロキシルの結晶 |
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JP (1) | JP2013535475A (zh) |
KR (1) | KR20130095735A (zh) |
CN (1) | CN103038241B (zh) |
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CN103483385A (zh) * | 2013-10-11 | 2014-01-01 | 福建广生堂药业股份有限公司 | 替诺福韦单酯富马酸盐的新晶型及其制备方法 |
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KR20160003532A (ko) * | 2014-07-01 | 2016-01-11 | 한미약품 주식회사 | 테노포비어 디소프록실 인산염과, 비금속염 붕해제 및 비금속염 활택제를 포함하는 약학 조성물 |
CN105399771B (zh) * | 2014-07-21 | 2020-11-24 | 江苏豪森药业集团有限公司 | 替诺福韦前药晶型及其制备方法和用途 |
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WO2006133632A1 (fr) * | 2005-06-13 | 2006-12-21 | Brightgene Bio-Medical Technology Co., Ltd. | Promedicament analogue nucleotidique et sa preparation |
CN1986553A (zh) * | 2005-12-19 | 2007-06-27 | 北京美倍他药物研究有限公司 | 无环核苷膦酸的前体药物 |
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AU2004206827A1 (en) * | 2003-01-14 | 2004-08-05 | Gilead Sciences, Inc. | Compositions and methods for combination antiviral therapy |
EP2046792B1 (en) * | 2006-07-12 | 2015-02-25 | Mylan Laboratories Limited | Process for the preparation of tenofovir |
CN101781335B (zh) * | 2010-03-04 | 2014-01-15 | 福建广生堂药业股份有限公司 | 富马酸替诺福韦酯的晶型及其制备方法 |
-
2011
- 2011-08-01 US US13/813,644 patent/US9187508B2/en not_active Expired - Fee Related
- 2011-08-01 AU AU2011288091A patent/AU2011288091B2/en not_active Ceased
- 2011-08-01 CN CN201180037633.4A patent/CN103038241B/zh active Active
- 2011-08-01 JP JP2013522087A patent/JP2013535475A/ja active Pending
- 2011-08-01 KR KR1020137004442A patent/KR20130095735A/ko not_active Application Discontinuation
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WO2006133632A1 (fr) * | 2005-06-13 | 2006-12-21 | Brightgene Bio-Medical Technology Co., Ltd. | Promedicament analogue nucleotidique et sa preparation |
CN1986553A (zh) * | 2005-12-19 | 2007-06-27 | 北京美倍他药物研究有限公司 | 无环核苷膦酸的前体药物 |
Cited By (2)
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CN103483385A (zh) * | 2013-10-11 | 2014-01-01 | 福建广生堂药业股份有限公司 | 替诺福韦单酯富马酸盐的新晶型及其制备方法 |
CN103483385B (zh) * | 2013-10-11 | 2015-11-18 | 福建广生堂药业股份有限公司 | 替诺福韦单酯富马酸盐的新晶型及其制备方法 |
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CN103038241A (zh) | 2013-04-10 |
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AU2011288091B2 (en) | 2016-06-09 |
AU2011288091A1 (en) | 2013-03-21 |
CN103038241B (zh) | 2015-06-17 |
US20130324498A1 (en) | 2013-12-05 |
US9187508B2 (en) | 2015-11-17 |
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