CN108069909A - A kind of praseodymium metal complex constructed by pyrimidinecarboxylic acid and preparation method thereof - Google Patents
A kind of praseodymium metal complex constructed by pyrimidinecarboxylic acid and preparation method thereof Download PDFInfo
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- CN108069909A CN108069909A CN201611005519.4A CN201611005519A CN108069909A CN 108069909 A CN108069909 A CN 108069909A CN 201611005519 A CN201611005519 A CN 201611005519A CN 108069909 A CN108069909 A CN 108069909A
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- pyrimidinecarboxylic acid
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
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Abstract
The present invention relates to a kind of praseodymium metal complexs constructed by pyrimidinecarboxylic acid and preparation method thereof.Contain pyrimidinecarboxylic acid (Hpmc) ligand in the chemical composition of the complex.Synthetic schemes is respectively by pyrimidinecarboxylic acid and Pr (NO by metering ratio3)3·6H2O is configured to aqueous solution, and 2h is stirred under room temperature after mixing.It filters afterwards, filtrate stands in air, slowly volatilizees, can about obtain target product after two weeks.Pyrimidinecarboxylic acid and Pr (NO3)3·6H2The mass ratio of O is：1∶3.51.
Description
Technical field
The present invention relates to a kind of praseodymium metal complexs constructed by pyrimidinecarboxylic acid and preparation method thereof, belong to metal complex
Science and technical field.
Technical background
It is unique by the Metal-organic complex material that metal ion and organic ligand are constructed because of its various structures,
The fields such as gas storage, photoelectron material, magnetic material and catalysis are with a wide range of applications.Compared with d group 4 transition metals
Organic coordination compound and main group metal organic coordination compound, the property of organolanthanide complexes have apparent difference, this is because
Rare earth ion has the characteristics that radius is big, ligancy is high, is more advantageous to the coordination and activation of substrate.4f tracks are due to being subject to
Extremely strong shielding action is not involved in bonding, and 18 electron Rules of d races do not apply in Organolanthanide Chemistry, are not easy to occur
Common oxidation addition and reduction elimination reaction in d group 4 transition metal organic coordination compound chemistry.Though rare earth element belongs to subgroup member
Element, but rare earth-carbon σ keys, rare earth-nitrogen σ keys have stronger ionic, the reactivity having had.Rare earth ion belongs to hard
Lewis acid, is easy to and the hard base ligands containing N, O atom, shows strong oxytropism, and with organic phosphine, alkene and an oxygen
Change soft bases coordination weak [the chemistry journals such as Qian Changtao, 2014,72 (8) such as carbon：883-905.].
In organolanthanide complexes, the complex that rare earth element is formed with Nitrogen-Containing Heterocyclic Ligand is kind of an important research
Direction.Such as using pyridine and its derivatives as ligand, Yang Xiaodong of Capital Normal University etc. [learn by Yang Xiao east Capital Normal Universitys
Report .2009, No2,21-24.] europium ion and terbium ion is selected to synthesize the cellular construction containing bipyridyl with the sub- efficiency of higher amount
Eight-coordinate fluorescence rare earth compounding；Using pyrroles as ligand, Arnold etc. has synthesized imines using substituted azole bidentate ligand
Pyrrole radicals rare earth alkyl complexes, four nitrogen-atoms in two ligands are with 1 patterns of η and metallic ion coordination, the complex
One pack system high-activity high-selectivity Methyl Methacrylate Catalyzed polymerize, the isotacticity of polymer be up to 94.8% [Cui,
C.Etc.Organometallics2003,22,3357.]；Led to using three pyrazoles boron salts (Tp) as three-tooth nitrogen ligand, Takats etc.
It crosses synthesis and has obtained a series of two valency rare earth compoundings of ligands containing Tp, trivalent rare earth alkyl complexes, amido complex and hydrogen
Compound.At the same time, Takats and Anwander etc. passes through Tp sylvite and La (AlMe3)3Reaction has synthesized lanthanum bridging carbon Cabbeen and has matched somebody with somebody
Object [Litlabo, R.Etc.Angew.Chem.Int.Ed.2008,47,9560.] is closed, isodigeranyl has been synthesized by amine elimination reaction
Metal complex (Tp) Yb (II) (AlR4) (R=Me, Et) [Litlabo, R.Etc.Organometallics 2009,28,
6750.]。
It is less as the rare earth metal complex research of ligand using pyrimidinecarboxylic acid at present, thus with very big development space.
The content of the invention
Praseodymium metal complex constructed object of the present invention is to provide a kind of pyrimidinecarboxylic acid and preparation method thereof, glimmering
Light, magnetism etc. have good application prospect.
Contain pyrimidinecarboxylic acid (Hpmc) ligand in the chemical composition of praseodymium metal complex provided by the invention.
The infrared spectrum of praseodymium metal complex disclosed by the invention is as shown in Figure 1, it is characterised in that its infrared spectrum
Characteristic absorption peak is as follows：3430cm-1(m)、3072cm-1(w)、1614cm-1(s)、1579cm-1(s)、1459cm-1(m)、
1384cm-1(s)、1288cm-1(w)、1027cm-1(w)、858cm-1(w)、713cm-1(m)、651cm-1(m)。
The preparation method of the present invention is as follows：
By metering ratio respectively by pyrimidinecarboxylic acid and Pr (NO3)3·6H2O is configured to aqueous solution, and 2h is stirred under room temperature after mixing.
It filters afterwards, filtrate stands in air, slowly volatilizees, can about obtain target product after two weeks.
Pyrimidinecarboxylic acid and Pr (NO3)3·6H2The mass ratio of O is：1∶3.51.
Description of the drawings
Fig. 1：The infrared spectrogram of complex；
Specific embodiment
The synthesis of 1 complex of embodiment：
Respectively by the Pr (NO of the Hpmc and 0.1mmol (0.0434g) of 0.1mmol (0.0124g)3)3·6H2O and 5ml water
Solution is configured to, 2h is stirred under room temperature after mixing, filters after reaction, filtrate stands in air, slowly volatilizees, about two weeks
After can obtain target product.Pyrimidinecarboxylic acid and Pr (NO3)3·6H2The mass ratio of O is：1∶3.51.
The infrared spectrum measurement of 2 complex of embodiment：
The infrared spectrum measurement of complex uses KBr pressed disc methods, with Nicolet330 FT-IR infrared spectrometers 4000
~500cm-1In the range of record, specific peak value is shown in Fig. 1.
Claims (5)
1. a kind of praseodymium metal complex constructed by pyrimidinecarboxylic acid and preparation method thereof, the chemical composition of the complex contains pyrimidine
Formic acid (Hpmc) ligand.
2. the praseodymium metal complex according to claim 1 constructed by pyrimidinecarboxylic acid, it is characterised in that its infrared spectrum
Characteristic absorption peak it is as follows：3430cm-1(m)、3072cm-1(w)、1614cm-1(s)、1579cm-1(s)、1459cm-1(m)、
1384cm-1(s)、1288cm-1(w)、1027cm-1(w)、858cm-1(w)、713cm-1(m)、651cm-1(m)。
3. the preparation method of the praseodymium metal complex according to claim 1 with pyrimidinecarboxylic acid, it is characterised in that it is wrapped
Include following steps：
1) by metering ratio respectively by pyrimidinecarboxylic acid and Pr (NO3)3·6H2O is configured to aqueous solution；
2) after mixing 2h is stirred under room temperature；
3) acquired solution is filtered, filtrate stands in air, slowly volatilizees, can about obtain target product after two weeks.
4. the preparation method of the praseodymium metal complex according to claim 3 containing pyrimidinecarboxylic acid, it is characterised in that described
Pyrimidinecarboxylic acid and Pr (NO3)3·6H2The mass ratio of O is：1∶3.51.
5. the preparation method of the praseodymium mixed metal complex according to claim 3 containing pyrimidinecarboxylic acid, it is characterised in that institute
The reaction condition stated is at room temperature, to utilize magnetic agitation.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633821A (en) * | 2011-11-11 | 2012-08-15 | 南京信息工程大学 | copper complex built by pyrimidine carboxylic acid base ligand, preparation method and use of copper complex |
| US20150025225A1 (en) * | 2011-10-12 | 2015-01-22 | Shionogi & Co., Ltd. | Monoclonal antibody against el which inhibits enzyme activity of el |
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2016
- 2016-11-11 CN CN201611005519.4A patent/CN108069909A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150025225A1 (en) * | 2011-10-12 | 2015-01-22 | Shionogi & Co., Ltd. | Monoclonal antibody against el which inhibits enzyme activity of el |
| CN102633821A (en) * | 2011-11-11 | 2012-08-15 | 南京信息工程大学 | copper complex built by pyrimidine carboxylic acid base ligand, preparation method and use of copper complex |
Non-Patent Citations (1)
| Title |
|---|
| 贾莉 等: ""嘧啶羧酸-Eu3+/Tb3+配合物合成和结构及荧光性质表征综合化学实验"", 《实验技术与管理》 * |
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Application publication date: 20180525 |