CN108912096A - A kind of leptospira structure imines iron complex - Google Patents

A kind of leptospira structure imines iron complex Download PDF

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Publication number
CN108912096A
CN108912096A CN201810684208.8A CN201810684208A CN108912096A CN 108912096 A CN108912096 A CN 108912096A CN 201810684208 A CN201810684208 A CN 201810684208A CN 108912096 A CN108912096 A CN 108912096A
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China
Prior art keywords
complex
pyridine
leptospira structure
iron complex
leptospira
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CN201810684208.8A
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万嵘
蒋鹏
吴文源
付小换
陈枳帆
方云聪
唐铁桓
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Nanjing Tech University
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Nanjing Tech University
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Priority to CN201810684208.8A priority Critical patent/CN108912096A/en
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D401/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/14Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/06Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10Non-macromolecular compounds
    • C09K2211/1018Heterocyclic compounds
    • C09K2211/1025Heterocyclic compounds characterised by ligands
    • C09K2211/1059Heterocyclic compounds characterised by ligands containing three nitrogen atoms as heteroatoms
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/18Metal complexes
    • C09K2211/187Metal complexes of the iron group metals, i.e. Fe, Co or Ni

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

A kind of leptospira structure imines iron complex (I), chemical formula is as follows:

Description

A kind of leptospira structure imines iron complex
One, technical field
The invention belongs to metal organic complex fields, and in particular to a kind of preparation of leptospira structure imines iron complex and The research of its fluorescence property.
Two, background technique
During most of leptospira structure complex appears in self assembly tetrahedral structure cage coordination compound. This kind of complexs can be by C3The organic molecule of symmetry is obtained with metal ion self assembly, can also be by linear axes pair Claim ligand molecular to obtain with metal ion self assembly, mainly by N → M coordinate bond and is matched by upper and lower two metal ions Dynamic C=N covalent bond is formed as node in body molecule, constructs stable spiral shell while forming these stable chemical bonds Revolve body complex.Since in a complex molecule, only there are two metallic ion coordinations, therefore do not have in organic ligand molecule The one end for forming coordination will expose, and form similar to spiral helicine complex.The metal ion of synthetic compound has Fe2+, Zn2+, Co2+, Ni2+, Cu2+/Cu1+, Pt2+Deng, and the design of organic ligand is more prone to the high molecule of those symmetry Such as linear type, plane trigonometry type molecule.It selects different amine and aldehydes as secondary component, can design to obtain different symmetry With coordination the number of teeth ligand, the coordination of bind metal ion, can permutation and combination form different geometry topological structures.These geometry It is high to construct symmetry, is easy to structural characterization, and there are significant internal cavities can accommodate some guest molecules, therefore can make For cell reservoirs, reactor, inductor.Using the recognition effect between host-guest, stereoeffect, molecular recognition with exchange, The fields such as selective catalysis, chiral separation, luminescence probe and molecule machine and molecular device have potential application. Such complex will provide a kind of good approach for the innovative research of functional material.
Summary of the invention
It is an object of the present invention to provide a kind of leptospira structure imines iron complexes.
It is a further object of the present invention to provide the preparation methods of above-mentioned complex.
Purpose of the present invention technical solution is as follows:
A kind of leptospira structure imines iron complex structure is as shown in logical formula (I):
The synthetic method of complex (I) according to claim 1.It is raw material in trifluoro methylsulphur using p-aminophenyl formonitrile HCN Three p-aminophenyl s-triazine are synthesized under acid catalysis;With three p-aminophenyl s-triazine, trifluoromethanesulfonic acid ferrous iron and pyridine -2- first Aldehyde passes through self assembly title complex.Its reaction process is as follows:
Reaction (2) in condition be:The optional acetonitrile of reaction dissolvent, methanol, pyridine, dioxane, preferably acetonitrile;Reaction Temperature is chosen as 30~75 DEG C, preferably 45~60 DEG C.The self assembling process of synthesizing that the present invention uses, single step reaction obtain target production Object, post-processing are simple.
Complex (I) issues stronger fluorescence under the excitation of ultraviolet light, has become a kind of potential high-quality luminous Material.
Detailed description of the invention
Fig. 1 be with object (I) fluorescence spectrum
Specific embodiment
Embodiment 1
This example illustrates the preparation of three p-aminophenyl s-triazine
P-aminophenyl formonitrile HCN 1.18g (10mmol) is added to 50mL four-hole boiling flask, and 25mL dichloromethane is added under magnetic agitation Alkane is dissolved, and 4mL (45mmol) trifluoromethanesulfonic acid is slowly added dropwise under ice bath, finishes N2 protection reaction for 24 hours.Reaction terminates Afterwards, liquid separation takes lower layer's yellow oil reservoir, adds and is adjusted to pH with 50% sodium hydroxide solution as 9-11 after 20mL water, pale yellow colored solid is precipitated Body is filtered, is washed, drying obtains product 993mg, yield 85.0%.Fusing point:300 DEG C of >.1H NMR (400MHz, DMSO): 8.38 (d, J=2.1Hz, 6H, Benzene-H), 6.71 (d, J=8.5Hz, 6H, Benzene-H), 5.90 (s, 6H, NH2).Member Element analysis data:C21H18N6, theoretical value:C, 71.17;H, 5.12;N, 23.71.Actual value:C, 71.15;H, 5.13;N, 23.72.IR(KBr):3321,3214,3030,1637,1604,813cm-1
Embodiment 2
This example illustrates preparation and the fluorescence property of leptospira structure imines iron complex
(1) prepared by complex
Three p-aminophenyl s-triazine of 106.3mg (0.3mmol), 70.8mg are sequentially added in 25mL flask (0.2mmol) trifluoromethanesulfonic acid ferrous iron, 64.2mg pyridine-2-formaldehyde (0.6mmol) and 10mL acetonitrile, N2Protect 55 DEG C of reactions 12h.Reaction is finished, and adds 15mL ether that solid is precipitated, and aubergine solid product is obtained after centrifuge separation, and ether washing, drying obtain Product 98mg.Yield is 57.3%, 300 DEG C of fusing point >.Nuclear magnetic data1H NMR (400MHz, CD3CN):9.00 (s, imine- H), 8.71 (d, J=6.5Hz, Ph-H), 8.65 (d, J=6.4Hz, pyridine-H), 8.51 (m, Ph-H&pyridine-H), 7.85 (s, pyridine-H), 7.47 (d, J=4.5Hz, pyridine-H), 6.80 (d, J=7.9Hz, Ph-H), 6.03 (d, J =6.4Hz, Ph-H), 5.03 (s, 1H, amine), 4.70 (d, J=7.5Hz, Ph-H).Mass spectrometric data (ESI-MS):m/z 427.58。
(2) complex fluorescent performance measurement
Attached drawing 1 is seen with the fluorescence data with object (I).As seen from the figure, the complex is under the excitation of ultraviolet light, in wave Stronger fluorescence is had issued at a length of 296nm and 583nm, is shown this and is matched with object (I) with good fluorescent characteristic.

Claims (3)

1. a kind of leptospira structure imines iron complex, structure is as shown in logical formula (I):
2. a kind of preparation method of formula (I) compound logical as described in claim 1.With three p-aminophenyl s-triazine, fluoroform Sulfonic acid ferrous iron and pyridine-2-formaldehyde pass through self assembly title complex.Its reaction process is as follows:
3. preparation method according to claim 2, wherein:React (1) in reaction dissolvent be selected from acetonitrile, methanol, pyridine, Dioxane, preferably acetonitrile;Reacting the reaction temperature in (1) is 30~75 DEG C, preferably 45~60 DEG C.
CN201810684208.8A 2018-06-22 2018-06-22 A kind of leptospira structure imines iron complex Pending CN108912096A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114656399A (en) * 2022-03-15 2022-06-24 南京工业大学 Cavity spirochete imine silver complex

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114656399A (en) * 2022-03-15 2022-06-24 南京工业大学 Cavity spirochete imine silver complex

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Application publication date: 20181130