CN110467641A - A kind of more molybdic acid alcoxyl derivatives of Anderson type and one pot hydrothermal preparing process - Google Patents
A kind of more molybdic acid alcoxyl derivatives of Anderson type and one pot hydrothermal preparing process Download PDFInfo
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Abstract
One pot of hydrothermal synthesis method of the present invention provides a kind of centered on vanadium or iron heteroatomic more molybdic acid alcoxyl derivatives of Anderson type, it is reacted for 24 hours in 160 DEG C of closed reactor after molybdate, central atom salt, trihydroxy methyl class compound and water are mixed, after being cooled to room temperature, reaction mixture is filtered, filtrate stands to the precipitation more molybdic acid alcoxyl derivative compound crystal of Anderson type；Central atom salt is containing Fe3+、Cu2+、Mn3+Or V5+Salt.The present invention extends Anderson type heteropoly acid central element type；Product is directly precipitated with crystal form, without complicated purification；The synthesis preparation method has many advantages, such as that simple, yield is high, synthesis cost is low, environmentally protective.
Description
Technical field
The present invention relates to a kind of Anderson type polyacid alcoxyl derivatives and preparation method thereof, belong to organic inorganic hybridization material
Expect technical field.
Background technique
Polyacid, that is, polyoxometallate be it is a series of by high-valence state transition metal ions (such as Mo (VI), W (VI), V (V),
Nb (V), Ta (V) etc.) and the hard-packed inorganic metal of oxygen anion ligand molecule-oxygen cluster, due to its chemistry, structure, electronics
Diversity, polyacid ion and organic molecule make it in pharmaceutical chemistry, magnetics, catalysisization by covalent modification or coordination modification
, electrochemistry etc. are all widely used in technical field of material chemistry.In the application of these polyacid, it is of great importance that play more
Heteroatomic property in acid, such as hetero atom has all played conclusive effect in catalysis oxidation, degradation, photocatalytic water application.
Polyacid structure type classical at present have Keggin-type, Dawson type, Waugh type, Lindqvist type, Anderson type and
Six kinds of Silverton type, wherein Anderson type polyacid is a kind of widely used polyacid, not only stable structure, and wherein
Heart hetero atom can be introduced into most of metal, nonmetalloid in addition to rare gas in the periodic table of elements, can be miscellaneous by changing
Atom regulates and controls its property, in addition, Anderson type polyacid various can have by introducing in conjunction with trihydroxy methyl compound
Machine functional group makes it have richer property.
Although Anderson type polyacid has many advantages, such as, current preparation method still has some shortcomings: (1)
Synthetic method is cumbersome: traditional Anderson type polyacid has to first synthesize presoma either polyoxoanion, synthesis step
More, long flow path, low yield etc..Meanwhile synthetic environment is mostly organic solution, does not meet the theory of Green Chemistry；(2) central atom
Limitation: although having reported that the central atom type of Anderson type heteropoly acid is existing many at present, heteroatomic valence state ratio
It is more single, mostly+2 or+trivalent.And some important elements, such as vanadium, still Anderson can not be introduced into as hetero atom
In type heteropoly acid.
Summary of the invention
In order to overcome prior art book, the present invention provides a kind of heteroatomic centered on vanadium or iron
More molybdic acid trihydroxy methyl derivatives of Anderson type and preparation method thereof, structure is the micro nano structure of caged, on skeleton
Three arrangements replace in three hydroxyl oxygens of the bridging oxygen atom trihydroxy methyl class compound molecule of plane triangle, and center vanadium is former
Son is positive 5 valences, and center iron atom is positive trivalent.
Technical solution provided by the invention is specific as follows:
One kind heteroatomic more molybdic acid alcoxyl derivatives of Anderson type, structure are as follows: Anderson type centered on vanadium
Three arrangements are in the center bridging oxygen atom (μ of plane triangle on skeleton2- O) by three hydroxyls of trihydroxy methyl class compound molecule
Base oxygen replaces, and central atom vanadium is positive pentavalent, is positive sexavalence with atom molybdenum, and entire polyoxoanion is negative monovalence, contend with sun from
Son is sodium ion or ammonium ion.
The trihydroxy methyl class compound is trishydroxymethylaminomethane, pentaerythrite, trimethylolethane, three hydroxyl first
One of base propane, trishydroxymethylnitromethane.
The above-mentioned more molybdic acid alcoxyl derivatives of Anderson type heteroatomic centered on vanadium are specifically included such as flowering structure:
Na0.7(NH4)0.3[VⅤMoⅥ 6O18{(OCH2)3CCH3}2] (1)
Na[VⅤMoⅥ 6O18{(OCH2)3CCH2OH}2] (2)
Na[VⅤMoⅥ 6O18{(OCH2)3CCH3}2] (3)
Wherein:
Compound (1) belongs to cubic system, cell parameter are as follows:
α=90.00 °, β=90.00 °, γ=90.00 °；
Compound (2) belongs to anorthic system, cell parameter are as follows: α=75.401 (2) °, β=67.087 (2) °, γ=88.977 (2) °；
Compound (3) belongs to cubic system, cell parameter are as follows:
α=90.00 °, β=90.00 °, γ=
90.00°；
The crystal structure of compound (1) and compound (3) is the micro nano structure of caged.
One kind heteroatomic more molybdic acid alcoxyl derivatives of Anderson, molecular structure centered on iron are as follows:
FeⅢ[FeⅢMoⅥ 6O18{(OCH2)3CCH3}2] (4)
Compound (4) belongs to cubic system, and crystal structure is the micro nano structure of caged, and cell parameter is α=90 °, β=90 °, γ=90 °.
A kind of preparation method of Anderson type heteropoly acid alcoxyl derivative, comprising the following steps: molybdate, center is former
It is reacted in 160 DEG C of closed reactor for 24 hours after alite, trihydroxy methyl class compound and water mixing, after being cooled to room temperature, filtering
Reaction mixture, filtrate stand to precipitating crystal, and naturally dry after crystal is successively washed with deionized water, dehydrated alcohol obtains
The more molybdic acid alcoxyl derivatives of above-mentioned Anderson type heteroatomic centered on vanadium or the heteroatomic Anderson centered on iron
More molybdic acid alcoxyl derivatives；The central atom salt is containing Fe3+、Cu2+、Mn3+Or V5+Salt.
Described contains V5+Salt be NaVO3, the molybdate is (NH4)6Mo7O24·H2O or Na2MoO4·2H2O,
In trihydroxy methyl class compound (Tris) include trishydroxymethylaminomethane, pentaerythrite, trimethylolethane and three hydroxyl first
Base propane, but trishydroxymethylaminomethane, pentaerythrite, trimethylolethane and four kinds of trimethylolpropane are not limited only to, also
Other trihydroxy methyl class organic ligands such as including trishydroxymethylnitromethane.
The more molybdic acid alcoxyl derivatives of above-mentioned Anderson type heteroatomic centered on vanadium or centered on iron it is heteroatomic
Application of the more molybdic acid alcoxyl derivatives of Anderson in chemical field.
The present invention has the following advantages and beneficial effects:
1. the present invention solves synthetic method reported at present and is unable to get the heteroatomic Anderson centered on vanadium
The problem of type polyacid, extends Anderson type heteropoly acid central element type, has synthesized a kind of at present still without the sun of report
Ion is Na+Or NH4 +The more molybdic acid trihydroxy methyl derivatives of Anderson type.
2. the present invention makees reaction starting material with metal salts such as simple molybdates, prepared by hydro-thermal one kettle way
The more molybdic acids of Anderson type, and reduce the cost of synthesis；It only uses water as solvent in reaction process, meets Green Chemistry
Theory；After optimization reaction condition, Anderson polyacid product only needs a step can be obtained, and product is directly with crystal shape
Formula is precipitated, and without complicated purification, the synthetic method process for effectively improving traditional more molybdic acids of Anderson type is cumbersome, condition
The shortcomings that complexity, low yield, improve efficiency；；In addition to the heteroatomic more molybdic acids of Anderson type centered on vanadium can be synthesized
In addition, this method can also synthesize most of reported at present with Fe3+、Cu2+、Mn3+The more molybdic acids of Anderson type Deng centered on
Alcoxyl derivative, reaction step are simplified than conventional method, and yield also increases, have cleaning, efficiently, purification it is simple etc. excellent
Point.
Detailed description of the invention
Fig. 1: compound (1), compound (2), compound (3), compound (4) structure chart.
Fig. 2: compound (1), compound (2), compound (3), compound (4) crystal accumulation figure.
Fig. 3: compound (1), compound (3), compound (4) crystal caged figure.
Fig. 4: the structure chart of used trihydroxy methyl class compound.
Fig. 5: synthesis process schematic diagram of the invention.
Specific embodiment
Further detailed, complete explanation is made to the present invention below with reference to embodiment:
Embodiment 1: the synthesis of compound (1)
Weigh 2.47g (NH4)6Mo7O24·H2O (2mmol), 0.36g NaVO3(3mmol), three hydroxyl first of 2.4g (3mmol)
Base ethane pours into 50mL hydrothermal reaction kettle liner after adding 20mL water to dissolve, and for 24 hours, after being cooled to room temperature, filtering is anti-for 160 DEG C of reactions
Mixed liquor is answered, filtrate stands 7 days and orange crystal is precipitated, and crystal 20mL deionized water is dried in the air naturally after the washing of 20mL dehydrated alcohol
It is dry, obtain Na0.7(NH4)0.3[VⅤMoⅥ 6O18{(OCH2)3CCH3}2], which belongs to cubic system, cell parameter are as follows:α=90.00 °, β=90.00 °, γ=90.00 °.
Embodiment 2: the synthesis of compound (2)
Weigh 2.47g (NH4)6Mo7O24·H2O (2mmol), 0.36g NaVO3(3mmol), 2.7g (3mmol) Ji Wusi
Alcohol pours into 50mL hydrothermal reaction kettle liner after adding 20mL water to dissolve, and for 24 hours, after being cooled to room temperature, filtering reaction is mixed for 160 DEG C of reactions
Liquid is closed, filtrate stands 7 days and orange crystal, crystal 20mL deionized water is precipitated, and naturally dry after the washing of 20mL dehydrated alcohol obtains
To Na [VⅤMoⅥ 6O18{(OCH2)3CCH2OH}2], which belongs to anorthic system, cell parameter are as follows:α=75.401 (2) °, β=67.087 (2) °, γ
=88.977 (2) °.
Embodiment 3: the synthesis of compound (3)
Weigh 3.38g (14mmol) Na2MoO4·2H2O, 0.36g NaVO3(3mmol), 2.4g (3mmol) trihydroxy methyl
Ethane pours into 50mL hydrothermal reaction kettle liner after adding 20mL water to dissolve, and for 24 hours, after being cooled to room temperature, filtering is reacted for 160 DEG C of reactions
Mixed liquor, filtrate stand 7 days and orange-yellow crystal are precipitated, and crystal 20mL deionized water is dried in the air naturally after the washing of 20mL dehydrated alcohol
It is dry, obtain Na [VⅤMoⅥ 6O18{(OCH2)3CCH3}2], which belongs to cubic system, cell parameter are as follows:α=90.00 °, β=90.00 °, γ=90.00 °.
Embodiment 4: the synthesis of compound (4)
Weigh 2.47g (NH4)6Mo7O24·H2O (2mmol), 0.48g FeCl3(3mmol), three hydroxyl first of 2.4g (3mmol)
Base ethane pours into 50mL hydrothermal reaction kettle liner after adding 20mL water to dissolve, and for 24 hours, after being cooled to room temperature, filtering is anti-for 160 DEG C of reactions
Mixed liquor is answered, filtrate stands 7 days precipitation light yellow crystals, and crystal 20mL deionized water is natural after the washing of 20mL dehydrated alcohol
It dries, obtains FeⅢ[FeⅢMoⅥ 6O18{(OCH2)3CCH3}2], which belongs to cubic system, and crystal structure is caged
Micro nano structure, cell parameter areα=90 °, β=90 °,
γ=90 °.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to the implementations
Mode, can within the knowledge of one of ordinary skill in the art, can also be before not departing from present inventive concept
It puts and makes a variety of changes.
Claims (7)
1. a kind of more molybdic acid alcoxyl derivatives of Anderson type heteroatomic centered on vanadium, which is characterized in that structure are as follows:
Three arrangements are in the center bridging oxygen atom of plane triangle by the three of trihydroxy methyl class compound molecule on Anderson type skeleton
A hydroxyl oxygen replaces, and central atom vanadium is positive pentavalent, is positive sexavalence with atom molybdenum, and entire polyoxoanion is negative monovalence, contends with
Cation is sodium ion or ammonium ion.
2. the more molybdic acid alcoxyl derivatives of Anderson type heteroatomic centered on vanadium according to claim 1, feature
Be: the trihydroxy methyl class compound is trishydroxymethylaminomethane, pentaerythrite, trimethylolethane, trihydroxy methyl
One of propane, trishydroxymethylnitromethane.
3. the more molybdic acid alcoxyl derivatives of Anderson type heteroatomic centered on vanadium according to claim 2, feature
It is, specifically includes such as flowering structure:
Na0.7(NH4)0.3[VⅤMoⅥ 6O18{(OCH2)3CCH3}2] (1)
Na[VⅤMoⅥ 6O18{(OCH2)3CCH2OH}2] (2)
Na[VⅤMoⅥ 6O18{(OCH2)3CCH3}2] (3)
Wherein:
Compound (1) belongs to cubic system, cell parameter are as follows:
α=90.00 °, β=90.00 °, γ=90.00 °；
Compound (2) belongs to anorthic system, cell parameter are as follows: α=75.401 (2) °, β=67.087 (2) °, γ=88.977 (2) °；
Compound (3) belongs to cubic system, cell parameter are as follows:
α=90.00 °, β=90.00 °, γ=
90.00°；
The crystal structure of compound (1) and compound (3) is the micro nano structure of caged.
4. a kind of more molybdic acid alcoxyl derivatives of Anderson heteroatomic centered on iron, which is characterized in that its molecular structure are as follows:
FeⅢ[FeⅢMoⅥ 6O18{(OCH2)3CCH3}2] (4)
Compound (4) belongs to cubic system, and crystal structure is the micro nano structure of caged, and cell parameter is α=90 °, β=90 °, γ=90 °.
5. a kind of preparation method of Anderson type heteropoly acid alcoxyl derivative, it is characterised in that: by molybdate, central atom
It is reacted in 160 DEG C of closed reactor for 24 hours after salt, trihydroxy methyl class compound and water mixing, after being cooled to room temperature, filtering is anti-
Mixed liquor is answered, filtrate stands to precipitating crystal, and naturally dry after crystal is successively washed with deionized water, dehydrated alcohol is weighed
Benefit require 3 described in centered on vanadium the more molybdic acid alcoxyl derivatives of heteroatomic Anderson type or it is as claimed in claim 4 with
The heteroatomic more molybdic acid alcoxyl derivatives of Anderson centered on iron；The central atom salt is containing Fe3+、Cu2+、Mn3+Or V5+
Salt.
6. according to the method described in claim 5, it is characterized by: described contains V5+Salt be NaVO3, the molybdate is
(NH4)6Mo7O24·H2O or Na2MoO4·2H2O, the trihydroxy methyl class compound are trishydroxymethylaminomethane, Ji Wusi
One of alcohol, trimethylolethane, trimethylolpropane, trishydroxymethylnitromethane.
7. the more molybdic acid alcoxyl derivatives of Anderson type heteroatomic centered on vanadium as claimed in claim 3 or claim 4
The application of the heteroatomic more molybdic acid alcoxyl derivatives of Anderson in chemical field centered on iron.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111072722A (en) * | 2019-12-27 | 2020-04-28 | 湖北工业大学 | Anderson polyacid and application thereof as CVB3 virus inhibitor |
| CN113292609A (en) * | 2021-04-26 | 2021-08-24 | 上海应用技术大学 | Preparation method and application of polyoxometallate complex |
| CN114920780A (en) * | 2022-03-29 | 2022-08-19 | 圣菲之美（湖北）生物科技有限公司 | Molybdenum vanadium heteropoly acid derivative with Anderson configuration and preparation method and application thereof |
| CN113698439B (en) * | 2021-09-22 | 2023-09-19 | 湖北工业大学 | Lindqvist type heteropolyacid derivative and preparation method and application thereof |
Citations (1)
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| CN106831854A (en) * | 2017-03-06 | 2017-06-13 | 湖北工业大学 | Vanadic acid alcoxyl derivative of a kind of mixed valence six and preparation method thereof |
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| CN106831854A (en) * | 2017-03-06 | 2017-06-13 | 湖北工业大学 | Vanadic acid alcoxyl derivative of a kind of mixed valence six and preparation method thereof |
Non-Patent Citations (1)
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| AMIR BLAZEVIC ET AL.: "Tris-Functionalized Hybrid Anderson Polyoxometalates: Synthesis,Characterization, Hydrolytic Stability and Inversion of Protein Surface Charge", 《POLYOXOMETALATES》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111072722A (en) * | 2019-12-27 | 2020-04-28 | 湖北工业大学 | Anderson polyacid and application thereof as CVB3 virus inhibitor |
| CN113292609A (en) * | 2021-04-26 | 2021-08-24 | 上海应用技术大学 | Preparation method and application of polyoxometallate complex |
| CN113698439B (en) * | 2021-09-22 | 2023-09-19 | 湖北工业大学 | Lindqvist type heteropolyacid derivative and preparation method and application thereof |
| CN114920780A (en) * | 2022-03-29 | 2022-08-19 | 圣菲之美（湖北）生物科技有限公司 | Molybdenum vanadium heteropoly acid derivative with Anderson configuration and preparation method and application thereof |
| CN114920780B (en) * | 2022-03-29 | 2024-04-26 | 圣菲之美（湖北）生物科技有限公司 | Molybdenum vanadium heteropolyacid derivative with Anderson configuration, and preparation method and application thereof |
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