CN104478908A - Zinc and cobalt metal complex taking nantenine oxide as ligand as well as synthetic method and application thereof - Google Patents

Zinc and cobalt metal complex taking nantenine oxide as ligand as well as synthetic method and application thereof Download PDF

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Publication number
CN104478908A
CN104478908A CN201410770874.5A CN201410770874A CN104478908A CN 104478908 A CN104478908 A CN 104478908A CN 201410770874 A CN201410770874 A CN 201410770874A CN 104478908 A CN104478908 A CN 104478908A
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zinc
nantenine
cobalt metal
metal
cobalt
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梁宏
陈振锋
刘延成
王雅颂
张业
黄克斌
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Guangxi Normal University
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Guangxi Normal University
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F3/00Compounds containing elements of Groups 2 or 12 of the Periodic Table
    • C07F3/06Zinc compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F15/00Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
    • C07F15/06Cobalt compounds
    • C07F15/065Cobalt compounds without a metal-carbon linkage

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Abstract

The invention discloses a zinc and cobalt metal complex taking nantenine oxide as a ligand as well as a synthetic method and application thereof. The synthetic method of the zinc and cobalt metal complex comprises the following step: by taking nantenine oxide as the ligand, performing coordination reaction with metal salts in a polar solvent to obtain the zinc and cobalt metal complex; and specifically, the zinc and cobalt metal complex can be synthesized by virtue of a solution process, and can also be synthesized by virtue of a solvothermal process. Results obtained by investigating the inhibition effects of the zinc and cobalt metal complex on various tumor cell strains by the applicants show that the zinc and cobalt complex plays stronger anti-tumor activity than the nantenine oxide ligand, has the anti-tumor activity on part of tumor strains significantly superior to that of cis-platinum namely a clinical anti-cancer medicine, and has relatively good potential medicinal values. A structural general formula of the zinc and cobalt metal complex is shown in the specification, wherein M represents a bivalent metal cation namely Zn(II) or Co(II); L represents water or methanol; and X represents an anion of a metal salt obtained when the metal cation participates in reaction in a metal salt form, and is a nitrate radical or a perchlorate radical.

Description

To be oxidized zinc, cobalt metal compounding and the synthetic method thereof and application that nantenine is part
Technical field
The present invention relates to metal complex field, be specifically related to be oxidized zinc, cobalt metal compounding and synthetic method thereof and application that nantenine is part.
Background technology
Oxidation nantenine is a kind of typical oxoaporphinoid, extensively be present in the Chinese medicinal plant such as Magnoliaceae, annonaceae, papaveracease, Menispermaceae, (department's end fortune can be obtained by extraction and isolation from these plants, what plain coffee Alkaloid composition of Radix stephaniae tetrandrae over-ground part, Jining Medical College journal, 14th volume the 2nd phase, in June, 1991).Oxidation aporphine alkali is the series alkaloid that a class has remarkable pharmacologically active.Oxidation aporphine alkali, owing to having special rigid plane and heterocycle atom N and ketonic oxygen (C=O) group, makes it have the physiologically active stronger compared with aporphine alkaloid.
On the other hand, along with people's improving constantly the medical level of understanding of metal matrix medicine, domestic and international investigator constantly synthesizes low toxicity, the novel metal title complex that efficient, Antitumor test is wide, the platinum complexes novel comprising some and a large amount of non-platinum complexes, as ruthenium complexe, rhodium complex, gold, silver and bronze title complex and cobalt nickel Zn complex etc.Zinc-Zn (II), cobalt-Co (II) are micro elements needed by human, and their trace existence in human body or organism but extensively distribute, and play crucial or important physiological action with the form of coenzyme in a series of important biological process.As the key coenzymes composition that Zn (II) is tens kinds of enzymes such as archaeal dna polymerase; Co (II) mainly exists with vitamin B12 form, can promote the maturation etc. of erythrocyte.But so far, there is not yet to be oxidized the research report of zinc that nantenine is part, cobalt metal compounding, the research report of its zinc, cobalt metal compounding also belongs to blank.
Summary of the invention
The technical problem to be solved in the present invention is to provide to be oxidized zinc, the cobalt metal compounding that nantenine is part, and their synthetic method and application.
The present invention, itself to have the oxidation nantenine of anti-tumor activity for part, synthesizes with zinc, cobalt positively charged ion, obtains anti-tumor activity generally higher than zinc, the cobalt metal compounding of oxidation nantenine part.
The molecular formula of oxidation nantenine is C 19h 13nO 5, molecular weight is 335.31g/mol, and chemical structural formula is as follows:
In this molecular structure, 7 heterocycle atom N and 8 carbonyl O atoms of oxidation aporphine female ring have stronger chelating ligands ability, can form following coordination mode (ONT of the following stated is the abbreviation of oxidation nantenine part) in coordination reaction:
N, O bidentate chelating mode: to be oxidized 7-N, 8-O two atoms and the central transition metal positively charged ion M chelating ligands of nantenine, forms five-ring chelating body.Based on coordination mode and the ligancy of zinc, cobalt positively charged ion M, the ratio that part ONT can form amount of substance with M is the title complex of 2:1 type, and corresponding coordination structure formula is shown below:
Wherein, M represents a kind of divalent metal, is Zn (II) or Co (II); L represents water (H 2or methyl alcohol (CH O) 3oH); X represents that above-mentioned metallic cation is with the negatively charged ion of this metal-salt during metallic salt form participation reaction, is nitrate radical (NO 3 -) or perchlorate (ClO 4 ).
Above-mentioned to be oxidized zinc, the cobalt metal compounding that nantenine is part, normal pressure solution method or the hot method of high pressure solvent can be adopted to synthesize.
When adopting normal pressure solution method to synthesize, comprise the following steps:
1) stoichiometrically take metal-salt and the luxuriant and rich with fragrance alkali of oxidation Nandina domestica, be dissolved in polar solvent, obtain mixing solutions;
2) gained mixing solutions reacts under 20 ~ 80 DEG C of conditions;
3) gained reacting liquid filtering, throw out, through washing, drying, namely obtains corresponding metal complexes.
The step 1 of above-mentioned solution method) in, described polar solvent can be selected from a kind of in water, methyl alcohol, ethanol and dimethyl sulfoxide (DMSO) or the combination two or more arbitrarily in them.When solvent is the mixture of two kinds, the proportioning between them can be any proportioning.Calculate with the metal-salt of 1mmol, total consumption of whole raw material polar solvent used is generally 20 ~ 100mL.In concrete dissolving step, metal-salt and oxidation nantenine part can be dissolved with polar solvent respectively, remix reacts together; Also can by additive polarity solvent again after metal-salt and the mixing of oxidation nantenine part.
The step 2 of above-mentioned solution method) in, whether reaction can adopt thin-layer chromatography tracing detection completely.Reaction preferably adopts back flow reaction, and back flow reaction is preferably carried out in the reflow temperature range of 65 ~ 80 DEG C, and the time of reacting under above-mentioned optimum condition controls usually at 10 ~ 24h; Also as required the reaction times can be extended to more than 24h.When carrying out under the normal temperature reacted below 65 DEG C or heating condition, reaction is to the time needing more to grow completely.
The step 3 of above-mentioned solution method) in, normally wash with water, methyl alcohol, ether successively during washing.Drying conditions is vacuum-drying under 30 ~ 50 DEG C of conditions or constant pressure and dry.In present method, product generally generates in solid form in a large number, if previous step 1) add-on of Semi-polarity solvent comparatively large (upper limit as close to proportioning) or the solvability of solvent to product better, then after reaction, solution may be clear state, this is because caused by the product precipitation formed dissolved by polar solvent, now can by solution decompression distillation after reaction with remove portion solvent, product is mainly separated out with precipitation forms, after taking out the precipitation separated out, carries out next step operation again.
When adopting solvent structure, specifically comprise the following steps:
A) stoichiometrically take metal-salt and the luxuriant and rich with fragrance alkali of oxidation Nandina domestica, be dissolved in polar solvent, obtain mixing solutions;
B) gained mixing solutions is placed in container, after liquid nitrogen freezing, be evacuated to vacuum, sealing by fusing, then reacts under 25 ~ 150 DEG C of conditions, namely obtains corresponding metal complexes.
The step of above-mentioned solvent-thermal method a) in, described polar solvent can be selected from a kind of in water, methyl alcohol, ethanol and dimethyl sulfoxide (DMSO) or the combination two or more arbitrarily in them.When solvent is the mixture of two kinds, the proportioning between them can be any proportioning.Calculate with the metal-salt of 1mmol, total consumption of whole raw material polar solvent used is generally 10 ~ 30mL.In concrete dissolving step, metal-salt and oxidation nantenine part can be dissolved with polar solvent respectively, remix reacts together; Also can by additive polarity solvent again after metal-salt and the mixing of oxidation nantenine part.
The step b of above-mentioned solvent-thermal method) in, described container is generally heavy wall borosilicate glass tube, and mixing solutions preferably reacts under 80 ~ 110 DEG C of conditions, and the time of reacting under above-mentioned optimum condition controls usually at 12 ~ 72h; Also as required the reaction times can be extended to more than 72h.When carrying out under the normal temperature reacted below 80 DEG C or heating condition, the time that reaction needed is longer just can obtain higher productive rate.
In technical solutions according to the invention, when synthesizing to be oxidized the zinc or cobalt metal compounding that nantenine is part, in above-mentioned 2 kinds of synthetic methods, described metal-salt is respectively zinc nitrate or zinc perchlorate, Jing Ti/Bao Pian COBALT NITRATE CRYSTALS/FLAKES or cobaltous perchlorate; The ratio of the amount of substance of described metal-salt and the luxuriant and rich with fragrance alkali of oxidation Nandina domestica is generally 1:1 ~ 3.
In synthetic method of the present invention, the oxidation nantenine part as raw material can extract from corresponding medicinal plant by prior art.
The present invention also comprise above-mentioned to be oxidized zinc that nantenine is part, cobalt metal compounding preparing the application in antitumor drug.
The present invention comprises with above-mentioned further with the antitumor drug being oxidized zinc that nantenine is part, cobalt metal compounding is prepared for effective ingredient.
The present invention is oxidized nantenine for active ligand with the effective constituent in medicinal plant, oxidation nantenine zinc, the cobalt metal compounding with anti-tumor activity has been synthesized with zinc, cobalt metal ion, by investigating their restraining effect to various tumor cell strains, result shows zinc, cobalt complex shows the anti-tumor activity stronger than oxidation nantenine part, clinical anticancer medication cis-platinum is obviously better than to the anti-tumor activity of Partial tumors strain, there is good potential pharmaceutical use, be expected to the preparation for various antitumor drug.
Accompanying drawing explanation
Fig. 1 is the infrared spectra spectrogram of the final product that the embodiment of the present invention 1 obtains;
Fig. 2 is the electrospray ionization mass spectrum spectrogram of the final product that the embodiment of the present invention 1 obtains;
Fig. 3 is the crystalline structure figure of the final product that the embodiment of the present invention 1 obtains;
Fig. 4 is the infrared spectra spectrogram of the final product that the embodiment of the present invention 2 obtains;
Fig. 5 is the electrospray ionization mass spectrum spectrogram of the final product that the embodiment of the present invention 2 obtains;
Fig. 6 is the crystalline structure figure of the final product that the embodiment of the present invention 2 obtains.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, and to understand content of the present invention better, but the present invention is not limited to following examples.
Embodiment 1: with normal pressure solution method synthesis ONT-Zn (II) title complex
1mmol Zn (NO 3) 2.6H 2the ONT of O and 2mmol is dissolved in 20mL methanol solution, and under 65 DEG C of (condensing reflux) conditions, react 10h, solution becomes reddish-brown from yellow gradually, has a large amount of title complex solid to generate; Treat this solution of its cold filtration, filter with water, washing with alcohol the solid obtained successively, dry, finally obtain red solid product, productive rate: 67%.Product is analyzed (spectrogram as shown in Figure 3) through infrared spectra (spectrogram as shown in Figure 1), electrospray ionization mass spectrum (spectrogram as shown in Figure 2) and X-ray single crystal diffraction and is carried out structure determination, is defined as title complex [Zn (ONT) 2(CH 3oH) (NO 3)] NO 3.
Embodiment 2: with normal pressure solution method synthesis ONT-Co (II) title complex
1mmol Co (ClO 4) 2.6H 2the ONT of O and 2mmol is dissolved in (volume ratio is 4:5) in the mixing solutions of 40mL ethanol and dimethyl sulfoxide (DMSO), reacts 24h, obtains red suspension after reaction, have a large amount of title complex solid to generate under 80 DEG C of (condensing reflux) conditions; Filter this solution, filter with water, washing with alcohol the solid obtained successively, dry, finally obtain red solid product, productive rate: 71%.Product is analyzed (spectrogram as shown in Figure 6) through infrared spectra (spectrogram as shown in Figure 4), electrospray ionization mass spectrum (spectrogram as shown in Figure 5) and X-ray single crystal diffraction and is carried out structure determination, is defined as title complex [Co (ONT) 2(H 2o) 2] (ClO 4) 2.
Embodiment 3: with solvent structure ONT-Zn (II) title complex
Take 0.1mmol Zn (NO 3) 2.6H 2o and 0.2mmol ONT is in the heavy wall borosilicate glass tube of one end open, add the ethanol of 1.5mL and the mixed solvent (volume ratio is 1:2) of water again, under the condition that liquid nitrogen freezing vacuumizes, by opening end sealing by fusing, then under 110 DEG C of conditions, fully 12h is reacted, red colored crystalline type solid product can be obtained, productive rate: 53%.Product carries out structure determination through infrared spectra, electrospray ionization mass spectrum and the analysis of X-ray single crystal diffraction, is defined as title complex [Zn (ONT) 2(CH 3oH) (NO 3)] NO 3.
Embodiment 4: with solvent structure ONT-Co (II) title complex
Take 0.1mmol Co (ClO 4) 2.6H 2o and 0.2mmol ONT is in the heavy wall borosilicate glass tube of one end open, add the methyl alcohol of 2mL and the mixed solvent (volume ratio is 1:1) of water again, under the condition that liquid nitrogen freezing vacuumizes, by opening end sealing by fusing, then under 80 DEG C of conditions, fully 72h is reacted, red colored crystalline type solid product can be obtained, productive rate: 59%.Product carries out structure determination through infrared spectra, electrospray ionization mass spectrum and the analysis of X-ray single crystal diffraction, is defined as title complex [Co (ONT) 2(H 2o) 2] (ClO 4) 2.
Experimental example 1: oxidation nantenine, title complex obtained by embodiment 1 ~ 4 are to the vitro inhibition activity experiment of multiple mankind's tumor line
1, cell strain and cell cultures
BEL-7404 human hepatocellular cells and HepG2, human stomach cancer cell line MGC80-3, Human cervical carcinoma cell line HeLa, human bladder cancer cell's strain T-24 are selected in this experiment.
All cells strain is all cultivated in the RPMI-1640 nutrient solution containing the little ox blood of 10wt%, 100U/mL penicillin, 100U/mL Streptomycin sulphate, puts 37 DEG C containing volumetric concentration 5%CO 2cultivate in incubator.
2, primary dcreening operation
The purity of compound used herein all >=95%; All compounds are mixed with the DMSO liquid storage of 20 μm of ol/L, solubility promoter DMSO final concentration≤1%, test the suppression degree of compound on tumor Growth of Cells under this concentration.
Under testing this concentration, each compound is to the inhibiting rate of cancer cells, all inhibiting rates are greater than 50% and (as cell shrinkage, fragmentation, floating etc.) of cell suppressed (or impaired) metamorphosis under meeting light microscopic, and be not very large compound to normal cytotoxicity, then preliminary judgement is that this compound primary dcreening operation is effective.
3, cell growth inhibition test (mtt assay)
Get the cell being in logarithmic phase, every hole 180 μ L (an about 4500-5000 cell) celliferous culture medium inoculated in 96 well culture plates, in 37 DEG C, 5%CO 224h is cultivated under abundant humidifying condition.After cell attachment, add sample by the amount of every hole 20 μ L, 6 multiple holes established by each sample, set corresponding blank simultaneously.After continuing to cultivate 48h, every hole adds 10 μ L MTT reagent (concentration is 5mg/mL), and after continuing to hatch 4h, inhale and abandon supernatant liquor, every hole adds 150 μ L DMSO again, and slight concussion reaction 5-8min, makes crystalline particle fully dissolve.Blank group returns to zero, and measures the absorbance after removing bias light absorption value by microplate reader with 490nm wavelength calculate cell proliferation inhibition rate, the test-compound good to primary dcreening operation antitumous effect, continue to continue by 5 concentration gradients the IC doing corresponding cell strain 50value, all experiments are averaged after all repeating 3 times.According to the optical density value recorded (OD value), judge viable cell quantity, OD value is larger, and cytoactive is stronger.Utilize formula:
Measuring and calculating title complex to the inhibiting rate of growth of tumour cell, then calculates the IC of each rare earth compounding to above-mentioned tumor cell line respectively with Bliss method 50value, its result is as shown in table 1 below:
Table 1:
From upper table data, under same experimental conditions, two kinds of zinc (II) of being synthesized by embodiment 1 ~ 4, Co (II) transition metal complex Zn iI-ONT and Co iI-ONT all shows significant in-vitro multiplication inhibit activities to surveyed 5 kinds of human tumor cell lines, and activity is all better than part, wherein, and Zn iIthe activity comparatively part enhancing 2 ~ 3 times of-ONT, Co iIthe activity comparatively part enhancing more than 2 ~ 4 times of-ONT.The inhibit activities of two kinds of title complexs to HeLa human cervical carcinoma cell lines is the highest, IC 50value is all about 11 μMs.On the other hand, two kinds of title complexs are compared with classical cancer therapy drug-cis-platinum, its anti tumor activity in vitro also shows clear superiority generally, except to the inhibit activities of HeLa human cervical carcinoma cell lines a little less than cis-platinum, to the inhibit activities of other four kinds of tumor lines all higher than cis-platinum, wherein zinc (II), Co (II) title complex to the activity of MGC80-3 human stomach cancer cell line then respectively higher than cis-platinum 4 times and 8 times.
Visible, of the present invention to be oxidized zinc (II), Co (II) metal complexes that nantenine is part, all show the anti-tumor activity stronger than oxidation nantenine part, there is good potential pharmaceutical use, be expected to the preparation for various antitumor drug.

Claims (7)

1., to be oxidized zinc, the cobalt metal compounding that nantenine is part, their general structure is shown below:
Wherein, M represents a kind of divalent metal, is Zn (II) or Co (II); L represents water or methyl alcohol; X represents that above-mentioned metallic cation is with the negatively charged ion of this metal-salt during metallic salt form participation reaction, is nitrate radical or perchlorate.
2. according to claim 1 with the synthetic method being oxidized zinc that nantenine is part, cobalt metal compounding, comprise the following steps:
1) stoichiometrically take metal-salt and the luxuriant and rich with fragrance alkali of oxidation Nandina domestica, be dissolved in polar solvent, obtain mixing solutions;
2) gained mixing solutions reacts under 20 ~ 80 DEG C of conditions;
3) gained reacting liquid filtering, throw out, through washing, drying, namely obtains corresponding metal complexes.
3. synthetic method according to claim 2, is characterized in that: step 1) in, described polar solvent is be selected from a kind of in water, methyl alcohol, ethanol and dimethyl sulfoxide (DMSO) or the combination two or more arbitrarily in them.
4. according to claim 1 with the synthetic method being oxidized zinc that nantenine is part, cobalt metal compounding, comprise the following steps:
A) stoichiometrically take metal-salt and the luxuriant and rich with fragrance alkali of oxidation Nandina domestica, be dissolved in polar solvent, obtain mixing solutions;
B) gained mixing solutions is placed in container, after liquid nitrogen freezing, be evacuated to vacuum, sealing by fusing, then reacts under 25 ~ 150 DEG C of conditions, namely obtains corresponding metal complexes.
5. synthetic method according to claim 2, is characterized in that: step a) in, described polar solvent is be selected from a kind of in water, methyl alcohol, ethanol and dimethyl sulfoxide (DMSO) or the combination two or more arbitrarily in them.
6. according to claim 1 to be oxidized zinc that nantenine is part, cobalt metal compounding preparing the application in antitumor drug.
7. with according to claim 1 with the antitumor drug being oxidized zinc that nantenine is part, cobalt metal compounding is prepared for effective ingredient.
CN201410770874.5A 2014-12-12 2014-12-12 Zinc and cobalt metal complex taking nantenine oxide as ligand as well as synthetic method and application thereof Pending CN104478908A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104844635A (en) * 2015-04-17 2015-08-19 广西师范大学 Manganese and zinc metal complexes taking alocasia amazonica alkali as ligand as well as synthesis method and application of manganese and zinc metal complexes

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101020699A (en) * 2006-02-16 2007-08-22 广西师范大学 Metal complex with liriodenine as ligand and its synthesis process and use
CN102260293A (en) * 2011-05-04 2011-11-30 广西师范大学 Transition metal coordination compounds with oxoglaucine as ligand, synthesizing method thereof, and application thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101020699A (en) * 2006-02-16 2007-08-22 广西师范大学 Metal complex with liriodenine as ligand and its synthesis process and use
CN102260293A (en) * 2011-05-04 2011-11-30 广西师范大学 Transition metal coordination compounds with oxoglaucine as ligand, synthesizing method thereof, and application thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104844635A (en) * 2015-04-17 2015-08-19 广西师范大学 Manganese and zinc metal complexes taking alocasia amazonica alkali as ligand as well as synthesis method and application of manganese and zinc metal complexes

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Application publication date: 20150401