WO2012086683A1 - 金属サレン錯体化合物及びその製造方法 - Google Patents
金属サレン錯体化合物及びその製造方法 Download PDFInfo
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- WO2012086683A1 WO2012086683A1 PCT/JP2011/079630 JP2011079630W WO2012086683A1 WO 2012086683 A1 WO2012086683 A1 WO 2012086683A1 JP 2011079630 W JP2011079630 W JP 2011079630W WO 2012086683 A1 WO2012086683 A1 WO 2012086683A1
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- Prior art keywords
- metal
- salen complex
- complex compound
- salen
- compound
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/28—Compounds containing heavy metals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0002—Galenical forms characterised by the drug release technique; Application systems commanded by energy
- A61K9/0009—Galenical forms characterised by the drug release technique; Application systems commanded by energy involving or responsive to electricity, magnetism or acoustic waves; Galenical aspects of sonophoresis, iontophoresis, electroporation or electroosmosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5094—Microcapsules containing magnetic carrier material, e.g. ferrite for drug targeting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
- C07C251/02—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton containing imino groups
- C07C251/24—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton containing imino groups having carbon atoms of imino groups bound to carbon atoms of six-membered aromatic rings
-
- 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
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/02—Iron compounds
- C07F15/025—Iron compounds without a metal-carbon linkage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
Definitions
- the present invention relates to a metal-salen complex compound and a method for producing the same.
- the metal-salen complex compound has magnetism and is used as a magnetic material or a magnetic drug.
- drugs are administered in vivo to reach the affected area and cause a therapeutic effect by exerting a pharmacological effect in the affected area, but even if the drug reaches a tissue other than the affected area (that is, normal tissue), it is not treated. .
- a technique for guiding a drug to an affected area is called drug delivery, and is a field in which research and development has been actively conducted in recent years.
- This drug delivery has at least two advantages. One is that a sufficiently high drug concentration is obtained in the affected tissue. The pharmacological effect does not occur unless the drug concentration in the affected area is above a certain level, and a therapeutic effect cannot be expected at low concentrations.
- the drug can be guided only to the affected tissue to suppress side effects on the normal tissue.
- Such cancer drug delivery is most effective in cancer treatment with anticancer agents.
- Most anti-cancer drugs inhibit cell growth of cancer cells with active cell division, so that even normal tissues, such as bone marrow or hair roots, gastrointestinal mucosa Suppress.
- alkyl-type antineoplastic agents are generic names of anticancer agents having the ability to bind an alkyl group (—CH 2 —CH 2 —) to a nucleic acid protein or the like. Alkylation of DNA inhibits DNA replication leading to cell death. This effect also and the cells G 0 phase works regardless of the cell cycle, proliferation strong effect on fostering cells, bone marrow, gastrointestinal mucosa, germ cell, such as the likely harm the hair root.
- Antimetabolite anti-neoplastic agents are compounds with a structure similar to that of metabolites in the course of nucleic acid and protein synthesis. They inhibit cells by inhibiting nucleic acid synthesis and are specific for cells in the mitotic phase. Works.
- antitumor antibiotics are chemical substances produced by microorganisms, and have antitumor activity with actions such as DNA synthesis inhibition and DNA strand breakage.
- microtubule inhibitors directly act on microtubules that play an important role in maintaining normal functions of cells, such as the formation of spindles during cell division, the arrangement of intracellular organelles and mass transport The antitumor effect is shown.
- Microtubule inhibitors act on cells and nerve cells where cell division is active.
- platinum preparations inhibit DNA synthesis by creating DNA strands, interstrand bonds or DNA protein bonds.
- Cisplatin is a typical drug, but kidney damage is strong and a large amount of fluid replacement is required.
- hormone-analogous antineoplastic agents are effective against hormone-dependent tumors. Administer female hormones or anti-androgen drugs for male hormone-dependent prostate cancer.
- the molecular targeted drug is a treatment method targeting a molecule corresponding to a molecular biological characteristic specific to each malignant tumor.
- topoisomerase inhibitors are enzymes that temporarily cut DNA and change the number of DNA strands.
- Topoisomerase I is an enzyme that cuts one strand of circular DNA, passes the other strand, and then closes the break.
- Topoisomerase inhibitor II temporarily cleaves both double strands of circular DNA. , An enzyme that passes another double-stranded DNA between them and reconnects the break.
- non-specific immunostimulants suppress the growth of cancer cells by activating the immune system.
- a specific method of drug delivery for example, there is a method using a carrier.
- a drug is placed on a carrier that tends to concentrate on the affected area, and the drug is carried to the affected area.
- a magnetic material is considered to be promising as a carrier, and a method in which a carrier that is a magnetic material is attached to a drug and accumulated in an affected area by a magnetic field has been proposed (see, for example, JP-A-2001-10978). .
- the present inventor has the suitability of a range in which a side chain imparting a positive or negative spin charge density is bonded to the basic skeleton of an organic compound, and as a whole is magnetically induced to an external magnetic field.
- a local therapeutic agent that is held in a region where a magnetic field is locally applied by a magnetic field from outside the body when applied to animals or animals, and exhibits the originally held medicinal effect in the region. Proposed (International Publication No. 2008/001851). This therapeutic agent has its own magnetism without using a magnetic carrier.
- the gazette describes an iron-salen complex compound as such a drug.
- Japanese Patent Application Laid-Open No. 2009-173631 discloses an antitumor drug containing an iron-salen complex compound.
- the inventor of the present application has proposed various drugs that can be guided to a target region of an individual by a magnetic field by binding a drug molecule or the like to a metal-salen complex (International Publication No. 2010/058280).
- the metal-salen complex preferably has a particle size that can be applied to a living body as a medicine without occluding capillaries and can be induced to a target region by a magnetic field.
- the crystal grain size of the metal salen complex is made difficult to pass through capillaries, it can be applied locally to the affected tissue and then retained in the affected tissue by a magnetic field. If it can be controlled, the usefulness of the metal-salen complex can be further improved.
- a first object of the present invention is to provide a metal-salen complex compound controlled to an appropriate crystal grain size. Furthermore, a second object of the present invention is to provide a metal-salen complex compound that can be locally applied to a target region such as an affected tissue. Furthermore, a third object of the present invention is to provide a metal-salen complex compound having a particle size that can be induced to a target region by a magnetic field even when applied to a living body as a pharmaceutical. Furthermore, this invention makes it the 4th objective to provide the manufacturing method of these metal salen complex compounds.
- the metal-salen complex compound according to the present invention is limited to a crystal grain size that does not occlude human or animal capillaries, and can control kinetics by an external magnetic field. To do. Taking into account that the diameter of the capillary is 8 ⁇ m to 20 ⁇ m, and that the particle size of red blood cells passing through the capillary is approximately 8 ⁇ m, and that of white blood cells is approximately 8 to 20 ⁇ m, the metal-salen complex of the present invention
- the crystal grain size of the compound is preferably 8 ⁇ m or less.
- the metal-salen complex compound has self-magnetism, and for example, after being applied locally to the affected area, it can be placed in the affected area by an external magnetic field.
- the lower limit of the crystal grain size is preferably 1 ⁇ m.
- the metal-salen complex compound having a crystal grain size of 1 ⁇ m or more and 3 ⁇ m or less is preferably 70% or more of the whole.
- the crystal grain size of the metal-salen complex is 1 ⁇ m so that it can pass through many capillaries.
- the crystal grain size of 100 nm or more and 500 nm or less is preferably 70% or more of the whole.
- the metal-salen complex compound may not pass through the capillaries. If the particle size of the metal-salen complex compound is less than 100 nm, the ferromagnetism necessary for magnetic induction is not sufficient. On the other hand, if it exceeds 500 nm, the flowability of the metal-salen complexed compound to the capillary is not sufficient. When the particle diameter is 100 nm or more and 500 nm or less is less than 70% of the total, the ratio of particles having low characteristics for passage through capillaries increases. The particle size is preferably 200 nm or more and 400 nm or less, and particularly preferably the particle size is 250 nm or more and 350 nm or less.
- the metal-salen complex compound of the present invention refers to all metal complexes having salen as a ligand. Also includes substitutions and derivatives of metal complexes.
- the structural formula of the metal-salen complex compound is as shown in the following formula (I). a to h are each hydrogen, or at least one of a to h may be substituted with a functional group / substituent other than hydrogen.
- a metal-salen complex compound or a substitute thereof is bound to a functional molecule such as a pharmaceutical molecule, an enzyme, or an antibody.
- a functional molecule such as a pharmaceutical molecule, an enzyme, or an antibody.
- the specification of the present application refers to all the contents of the publication.
- a derivative of a metal-salen complex compound in a complex with a drug molecule is useful as a carrier for inducing or localizing the drug molecule in a target affected tissue.
- N, N'-Bis (salicylidene) ethylenediamine metal M in the formula (I) is Fe, Cr, Mn, Co, Ni, Mo, Ru, Rh, Pd, W, Re, Os, Ir, Pt, Nd, Sm, Eu, or Gd.
- the preferred form of topical application of the metal-salen complex compound of the present invention to the affected tissue of the human body or animal is intraarterial injection to the artery in the vicinity of the affected tissue, or injection to the affected tissue itself.
- known forms such as ointments, lotions and patches can be employed.
- a form for systemically applying the metal-salen complex compound is intravenous injection or infusion injection.
- the solvent is physiological saline, and a suspension or emulsion may be used.
- the metal-salen complex compound of the present invention preferably has a use as an anticancer agent as described in the above-described prior art. In addition, as described above, it has a use as a carrier for drug delivery of the drug molecule by binding to another drug molecule, and further has a use as a diagnostic agent for MRI.
- the metal-salen complex compound of the present invention When the metal-salen complex compound of the present invention is applied to an individual (human or animal), by supplying a magnetic field (500 mT to 1 T (1000 mT)) to a target region where the affected organ or affected tissue is present, It can be guided or retained at least for the duration of the magnetic supply in the target affected area.
- a magnetic field 500 mT to 1 T (1000 mT)
- a metal-salen complex compound controlled to an appropriate crystal grain size can be provided. Furthermore, according to the present invention, it is possible to provide a metal-salen complex compound that can be locally applied to a target region such as an affected tissue. Furthermore, according to the present invention, it is possible to provide a metal-salen complex compound having a particle size that can be induced to a target region by a magnetic field even when applied to a living body as a pharmaceutical. Furthermore, according to this invention, the manufacturing method of these metal salen complex compounds can be provided.
- Example I Metal-salen complex compound applied locally (iron-salen complex compound)
- Example I-1 Production of metal-salen complex compound
- the salen ligand (N, N′-Bis (salicylidene) ethylenediamine) and its derivatives are synthesized by dehydration concentric reaction of the corresponding salicylaldehyde and ethylenediamine derivatives.
- the obtained ligand reaches a metal salen complex by making it a phenoxide ion derivative or reacting with a metal ion under basic conditions. This will be described in detail below.
- a chloride MCl 3 of a metal other than iron may be used instead of FeCl 3 .
- the Mn salen complex, Cr salen complex, and Co salen complex other than the iron salen complex compound have a degree of magnetism that can be induced by an external magnetic field. is there. It is also clear in Japanese Patent Application Laid-Open No. 2009-173631 that metal iron salen complex compounds have an antitumor action. The contents of these conventional applications are incorporated herein by reference.
- Example I-2 Measurement of particle diameter
- the grain size of the crystal grains after recrystallization is measured. First, weigh about 2g of crystals and grind in a mortar for about 30 minutes. The ground material is collected and weighed again to determine the amount of solvent (saline) diluted and diluted with this amount of solvent. At that time, the concentration of the crystal grains is 20 mM.
- the particle size of the crystal grains obtained as a result of filtration was measured using an electron microscope image.
- the equipment used and conditions are as follows.
- Apparatus Transmission electron microscope (Hitachi H-7100FA) Condition: Acceleration voltage 100kV Sample preparation: Dispersion method (crushed in mortar, then added pure and dispersed in grid with TEM) Particle size distribution measurement software: Image-Pro plus (Media ctbermetrics, MD, USA) Measurement object: Trace image of iron-salen complex compound molecule in TEM photograph
- FIG. 1 is an electron micrograph of a representative sample. According to this, it was confirmed that there were crystals having a particle size exceeding 1 ⁇ m, and that particles having a particle size of 1 ⁇ m or more and 3 ⁇ m or less accounted for 70% or more (as a ratio of the frequency of the number of particles). .
- the crystal was acicular.
- Example I-3 Confirmation of magnetism
- melanoma cells (clone M3) were cultured in a round petri dish, and then iron salen was sprinkled evenly. Thereafter, a button magnet having a magnetic flux density of 240 mT was placed under the petri dish for 24 hours. As a result, it was confirmed that melanoma cells were killed along the edge of the button magnet.
- Example I-4 Topical application to diseased tissue
- Rabbit-derived squamous cell carcinoma (VX2) was transplanted into the thigh of the rabbit and engrafted over 2 to 3 weeks. Thereafter, an iron-salen complex compound having a coarse particle diameter of 1500 nm (1.5 ⁇ m) confirmed with a transmission electron microscope was diluted with physiological saline to a concentration of 100 ⁇ M, and an amount of 5 mg / kg was obtained using a catheter. An arterial injection was performed. Intraarterial injection was performed from the femoral artery. The details were in accordance with Japanese Society for Medical Radiation, 50 (4), 426-428, 1990.
- the tumor volume was about twice that in the initial group. It was confirmed that it was reduced to 20%.
- the iron-salen complex was held in the affected area with a permanent magnet having a magnetic flux density of 600 mT so that the drug did not turn to other organs. It was confirmed by collecting cell sections from the affected area that the iron-salen complex remained in the cancer tissue.
- Prussian blue (ferric hexacyanoferrate and hydrochloric acid) manufactured by Sigma was used.
- Example II Metal-salen complex compound applied systemically (iron-salen complex compound)
- Example II-1 Production of metal-salen complex compound
- the cooling was performed in the form of “slow cooling treatment such as air cooling to room temperature (for example, 10 hours to 12 hours)”. It was carried out by “rapid cooling (cooling rate: 10-30 ° C./min) such as water cooling with room temperature water or ice water”.
- rapid cooling cooling rate: 10-30 ° C./min
- Other implementation contents are the same as in the case of Example I.
- Example II-2 Measurement of particle diameter
- the number of measurement samples was 436.
- the other measurement processing is the same as in Example I-2.
- the crystal grain size was measured twice for each sample. As a result, the average particle size was 300 nm and the standard deviation was 300.
- FIG. 2 is an electron micrograph of a representative sample.
- FIG. 3 shows the particle size distribution. According to FIG. 3, it was confirmed that the particles having a particle size of 1 ⁇ m or less and a particle size of 100 nm to 500 nm were 70% or more of the whole.
- the crystal was acicular.
- Example II-3 Confirmation of magnetism It was confirmed by the same method as in Example I-2 that the crystal having the grain size obtained in Example II-1 had ferromagnetism. The effect on melanoma cells was also the same as in Example I-2.
- Example II-4 Capillary blood permeability
- the iron-salen complex obtained in Example II-1 does not clog. Even when 9.25 mM iron salen dissolved in physiological saline is administered to the tail vein of mice, vascular occlusion does not occur.
- an iron-salen complex compound having a crystal grain size of 10 ⁇ m (9.25 mM concentration dissolved in physiological saline) was administered to the tail vein of a mouse, vascular occlusion clearly occurred in the lung after 5 seconds.
- the “crystal grain size” is the diameter of the crystal, and is a value after performing mathematical and statistical processing such as an average value and standard deviation for each particle size value of a plurality of particles of the metal-salen complex compound. But you can.
- the magnetic drug refers to the aforementioned metal-salen complex compound itself, a substituted metal-salen complex, or a derivative thereof.
- the magnetic drug contains a concentration necessary for the salen complex compound as an active ingredient to exert a pharmacological effect such as an antitumor effect.
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Abstract
Description
N,N’-Bis(salicylidene)ethylenediamine metal
(I)式中のMは、Fe、Cr、Mn、Co、Ni、Mo、Ru、Rh、Pd、W、Re、Os、Ir、Pt、Nd、Sm、Eu、又は、Gdである。
(実施例I-1:金属サレン錯体化合物の製造)
サレン配位子(N,N’-Bis(salicylidene)ethylenediamine)とその誘導体は、相当するサリチルアルデヒドとエチレンジアミンの誘導体の脱水縮心反応によって合成される。得られた配位子は、フェノキシドイオン誘導体とした後あるいは塩基性条件下で金属イオンと反応させることにより、金属サレン錯体に至る。以下詳しく説明する。
次に、再結晶化後の結晶粒の粒径の測定を行う。先ず、結晶を2g程度計量し、乳鉢で約30分すりつぶす。すりつぶしたものを回収し、重量を再度計量して、溶媒(生理食塩水)の希釈量を決定し、この希釈量の溶媒で希釈する。その際の、結晶粒の濃度は、20mMである。
条件: 加速電圧 100kV
試料調整:分散法(乳鉢ですりつぶした後、純粋を加えTEMでグリッドに分散させた)粒度分布測定ソフトウエァア:Image-Pro plus (Media ctbermetrics, MD, U.S.A.)
測定対象:TEM写真における鉄サレン錯体化合物分子のトレース像
実施例I-1で得られた粒径の結晶が、強磁性を持つことを確認した。実施例I-1で得られた粒径の結晶について、Quantum Design MPMS7を用いて磁場―磁化曲線を測定したところ、-268℃から37℃まで強磁性体特有のヒステリシスループが現れ強磁性体であることを確認した。
ウサギの大腿部にウサギ由来の扁平上皮癌(VX2)を移植し、2から3週間かけて生着した。その後、透過電子顕微鏡で確認された粒径1500nm(1.5μm)の粗大粒径の鉄サレン錯体化合物を、生理食塩水を用いて濃度100μMで希釈し、5mg/kg量を、カテーテルを用いて動脈注射を行った。動注は大腿部動脈から行った。その詳細は、日本医学放射学会、50(4),426-428,1990に従った。投与を開始して7日後、鉄サレン錯体化合物を動注しない群では、腫瘍の体積が当初の約2倍となったが、鉄サレン錯体化合物を動注した群では、腫瘍の体積が治療前に対して20%まで縮小されることが確認された。動脈注射時には、他の臓器に薬剤が回らないように磁束密度600mTの永久磁石で鉄サレン錯体を患部に留めた。鉄サレン錯体が癌組織にとどまっていることは、患部から細胞切片を採取して確認した。染色の方法は、シグマ製 Prussian blue (ferric hexacyanoferrate and hydrochloric acid)を用いた。
(実施例II-1:金属サレン錯体化合物の製造)
実施例I-1では、Step7において、冷却を、「室温になるまで空冷するなどの徐冷処置(例えば、10時間~12時間)」なる形態で実施したが、本実施例では、冷却を、「室温水又は氷水による水冷等の急冷(冷却速度:10-30℃/分)」で行った。その他の実施内容は、実施例Iの場合と同じである。
測定のサンプル数を436とした。それ以外の測定のための処理は実施例I-2と同様である。各サンプルについて2回結晶粒径を測定した。その結果、平均粒径は300nmであり、標準偏差は300であった。図2は、代表的サンプルの電顕写真である。図3は粒径分布である。図3によれば、粒径が1μm以下であり、かつ、粒径が100nm以上500nm以下の粒子が全体の70%以上であることが確認できた。結晶は針状を呈していた。
実施例II-1で得られた粒径の結晶が、強磁性を持つことが、実施例I-2と同様の手法によって確認された。メラノーマ細胞に対する効果も実施例I-2と同様であった。
実施例II-1で得られた鉄サレン錯体は閉塞しない。生理食塩水に溶かした9.25mMの濃度の鉄サレンをマウスの尾静脈に投与しても血管閉塞は起こらない。結晶粒径が10μmの鉄サレン錯体化合物(生理食塩水に溶かした9.25mM濃度)をマウスの尾静脈に投与すると5秒後に肺にて血管閉塞が明らかに生じた。
約50nmの粒径の鉄サレン錯体をQuantum Design MPMS7を用いて磁場―磁化曲線を測定したところ、-268℃から37℃まで超常磁性体特有のヒステリシスループが現れ超常磁性体であることを確認した。
Claims (10)
- 結晶粒径が8μm以下である、金属サレン錯体化合物。
- 前記結晶粒径が1μm以上である、請求項1記載の金属サレン錯体化合物。
- 前記結晶粒径が1μm以下であり、かつ、100nm以上500nm以下の結晶粒径が全体の70%以上である、請求項1記載の金属サレン錯体化合物。
- 請求項1乃至3の何れか1項記載の金属サレン錯体化合物を含有し、生体に適用された後、外部磁場によって前記生体の患部組織に供給される磁性医薬。
- 請求項2記載の金属サレン錯体化合物を含有し、生体の患部組織に局所適用され、外部磁場によって前記患部組織に留置される磁性医薬。
- 請求項3記載の金属サレン錯体化合物を含有し、生体に全身適用された後、外部磁場によって前記生体の患部組織に誘導される、請求項3記載の磁性医薬。
- 抗腫瘍効果を有する請求項5乃至7の何れか1項記載の磁性医薬。
- 金属サレン錯体化合物を急冷条件下で結晶化する、金属サレン錯体化合物の製造方法。
- サレンに金属化合物を反応させ、次いで、加熱状態の反応物を急冷することにより前記金属サレン錯体の結晶粒子を得る、請求項9記載の金属サレン錯体化合物の製造方法。
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EP15168720.9A EP2944627B1 (en) | 2010-12-21 | 2011-12-21 | Nanometersized metal salen complex compounds, their preparation and their use as systemic antitumor agents |
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WO2014123115A1 (ja) | 2013-02-05 | 2014-08-14 | 株式会社Ihi | 磁性体 |
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WO2015146294A1 (ja) * | 2014-03-28 | 2015-10-01 | 国立大学法人九州大学 | 鉄触媒によるエステル交換反応 |
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Also Published As
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US20140011032A1 (en) | 2014-01-09 |
EP2944627B1 (en) | 2021-01-27 |
EP2657223A4 (en) | 2014-12-24 |
EP2657223A1 (en) | 2013-10-30 |
RU2013133683A (ru) | 2015-01-27 |
RU2546663C2 (ru) | 2015-04-10 |
SG192062A1 (en) | 2013-08-30 |
EP2944627A1 (en) | 2015-11-18 |
US9005757B2 (en) | 2015-04-14 |
CN103517895A (zh) | 2014-01-15 |
EP2657223B1 (en) | 2017-06-28 |
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