CN110204578A - 一种金属有机发光钨配合物及其合成方法 - Google Patents
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052721 tungsten Inorganic materials 0.000 title claims abstract description 36
- 239000010937 tungsten Substances 0.000 title claims abstract description 36
- 238000010189 synthetic method Methods 0.000 title claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 title abstract description 4
- 239000002184 metal Substances 0.000 title abstract description 4
- 239000000126 substance Substances 0.000 claims abstract description 35
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 27
- 125000002524 organometallic group Chemical group 0.000 claims abstract description 27
- 238000002189 fluorescence spectrum Methods 0.000 claims abstract description 25
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims abstract description 14
- -1 benzenes phenol imine compound Chemical class 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims abstract description 9
- NGGAZZRRNNMLNA-UHFFFAOYSA-N [W].ClOOCl Chemical compound [W].ClOOCl NGGAZZRRNNMLNA-UHFFFAOYSA-N 0.000 claims abstract description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 144
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 60
- 125000001841 imino group Chemical group [H]N=* 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 22
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 20
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 20
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 claims description 20
- 239000002244 precipitate Substances 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 12
- 239000011541 reaction mixture Substances 0.000 claims description 11
- ICKWICRCANNIBI-UHFFFAOYSA-N 2,4-di-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C(C(C)(C)C)=C1 ICKWICRCANNIBI-UHFFFAOYSA-N 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 238000010992 reflux Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 150000003233 pyrroles Chemical class 0.000 claims description 7
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 claims description 6
- 239000000706 filtrate Substances 0.000 claims description 6
- 125000004200 2-methoxyethyl group Chemical group [H]C([H])([H])OC([H])([H])C([H])([H])* 0.000 claims description 5
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 5
- PCNMALATRPXTKX-UHFFFAOYSA-N 1,4-dimethylcyclohexa-2,4-dien-1-ol Chemical compound CC1=CCC(C)(O)C=C1 PCNMALATRPXTKX-UHFFFAOYSA-N 0.000 claims description 4
- AZZWZMUXHALBCQ-UHFFFAOYSA-N 4-[(4-hydroxy-3,5-dimethylphenyl)methyl]-2,6-dimethylphenol Chemical compound CC1=C(O)C(C)=CC(CC=2C=C(C)C(O)=C(C)C=2)=C1 AZZWZMUXHALBCQ-UHFFFAOYSA-N 0.000 claims description 4
- ASUDFOJKTJLAIK-UHFFFAOYSA-N 2-methoxyethanamine Chemical compound COCCN ASUDFOJKTJLAIK-UHFFFAOYSA-N 0.000 claims description 3
- XPQIPUZPSLAZDV-UHFFFAOYSA-N 2-pyridylethylamine Chemical compound NCCC1=CC=CC=N1 XPQIPUZPSLAZDV-UHFFFAOYSA-N 0.000 claims description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 3
- 125000003963 dichloro group Chemical group Cl* 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims 6
- 206010011224 Cough Diseases 0.000 claims 1
- 241000790917 Dioxys <bee> Species 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 claims 1
- 125000006309 butyl amino group Chemical group 0.000 claims 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 1
- 150000003739 xylenols Chemical class 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 6
- 238000000862 absorption spectrum Methods 0.000 abstract 1
- 238000004847 absorption spectroscopy Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001953 recrystallisation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- KUFFULVDNCHOFZ-UHFFFAOYSA-N 2,4-xylenol Chemical compound CC1=CC=C(O)C(C)=C1 KUFFULVDNCHOFZ-UHFFFAOYSA-N 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 150000004696 coordination complex Chemical class 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 241001282153 Scopelogadus mizolepis Species 0.000 description 1
- 229940052810 complex b Drugs 0.000 description 1
- 239000011365 complex material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- DILRJUIACXKSQE-UHFFFAOYSA-N n',n'-dimethylethane-1,2-diamine Chemical compound CN(C)CCN DILRJUIACXKSQE-UHFFFAOYSA-N 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
- C07C215/46—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
- C07C215/48—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains not further substituted by hydroxy groups
- C07C215/50—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains not further substituted by hydroxy groups with amino groups and the six-membered aromatic ring, or the condensed ring system containing that ring, bound to the same carbon atom of the carbon chain
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
- C07C217/02—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton
- C07C217/04—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
- C07C217/06—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one etherified hydroxy group and one amino group bound to the carbon skeleton, which is not further substituted
- C07C217/08—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one etherified hydroxy group and one amino group bound to the carbon skeleton, which is not further substituted the oxygen atom of the etherified hydroxy group being further bound to an acyclic carbon atom
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/36—Radicals substituted by singly-bound nitrogen atoms
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Abstract
本发明公开了一种金属有机钨配合物及其合成方法,主要是用1倍物质的量的2,4‑二取代苯酚亚胺类化合物和1倍物质的量的二氯二氧化钨和1:2.1至1:2.2倍物质的量的吡啶,以甲苯为溶剂,在115℃至120℃的条件下回流反应至少24小时,得到金属有机钨配合物,并对其紫外吸收光谱和荧光发射光谱进行研究,紫外最大吸收波长位于260nm左右,最大荧光发射光谱位于285nm左右。本发明合成的金属钨配合物可作为有机发光二极管的发光层。同时,为研究该类化合物的性质和应用提供了依据。
Description
技术领域
本发明属于光电材料技术领域。具体涉及一种金属有机钨配合物及其合成方法。
背景技术
当前正在使用的显示器件主要有阴极射线管(CRT)、液晶显示屏(LCD)、等离子显示器(PDP)、发光二极管(LED)等。由于它们自身有不同程度的性能缺陷,如:CRT体积大、笨重,LCD视觉小,LED难以实现蓝光,在信息社会中使用受到一定的限制。相反,有机发光器件或称有机发光二极管(OLED)是一种高亮度、宽视觉、全固化的发光器件,大大克服了上述缺点,显示出无可比拟的优点:OLED的发光效率高、亮度大;有机发光材料众多、价廉,且易大规模、大面积生产,实现超薄、大面积平板显示;OLED的发光颜色从红外到紫外,覆盖整个可见光,这是方便实现全彩色显示的前提。因此OLED已成为当今显示器件研究的热门,大量的有机发光材料被合成出来。
发光材料按照分子结构可以分为:有机小分子材料﹑金属配合物材料和聚合物材料三类。金属配合物既具有有机物高荧光量子效率的优点,又具有无机物稳定性好的特点,因此被认为是最有应用前景的一类发光材料。
钨已经在白炽灯泡中使用了数十年,但没有大量报道的关于发光的有机配合物。钨的自旋-轨道耦合常数与铱和铂相当,钨应显示出强重原子效应促进系间窜越。这些基本性质为进一步设计、合成金属有机钨配合物,同时研究该类化合物的性质和应用提供了依据。
发明内容
针对上述现有技术,本发明的目的在于提出一种金属有机钨配合物及其合成方法,该金属有机钨配合物具有发光性能,可以作为有机发光二极管的发光层。
为了解决上述技术问题,本发明提出的一种金属有机钨配合物,具有下述A、B、C、D中的一种结构式:
A:
B:
C:
D:
其中:MeNOON的紫外最大吸收波长位于260nm,最大荧光发射光谱位于285nm;MeNOOO的紫外最大吸收波长位于261nm,最大荧光发射光谱位于284nm;BuNOON的紫外最大吸收波长位于261nm,最大荧光发射光谱位于284nm;PyNOON的紫外最大吸收波长位于260nm,最大荧光发射光谱位于284nm。
上述金属有机钨配合物的合成方法是:用1倍物质的量的2,4-二取代苯酚亚胺类化合物和1倍物质的量的二氯二氧化钨和1:2.1至1:2.2倍物质的量的吡啶,其中的2,4-二取代苯酚亚胺类化合物是下述四种结构式之一:
结构式一:2,2'-[[[2-(二甲基氨基)乙基]亚氨基]双(亚甲基)]-双[4,6-二甲基苯酚];
结构式二:2,2'-[[(2-甲氧基乙基)亚氨基]双(亚甲基)]双[4,6-二甲基苯酚];
结构式三:2,2'-[[[2-(二叔丁基氨基)乙基]亚氨基]双(亚甲基)]-双[4,6-二甲基苯酚];
结构式四:2,2'-[[[2-(吡咯)乙基]亚氨基]双(叔丁基)]-双[4,6-二甲基苯酚];
以甲苯为溶剂,在115℃至120℃的条件下回流反应至少24小时,得到金属有机钨配合物。
本发明所述的金属有机钨配合物的合成方法,具体过程是:按照上述所确定的量,在氮气保护下向无水的甲苯中的加入2,4-二取代苯酚亚胺类化合物;向溶液中加入二氯二氧化钨和吡啶;将反应混合物回流24小时;将反应混合物减压旋蒸除去溶剂,用二氯甲烷溶解后,通过砂芯漏斗抽滤并收集滤液;减压旋蒸除去19倍物质的量的二氯甲烷,剩余1倍物质的量的二氯甲烷,向剩余的二氯甲烷溶液中加入甲醇,将生成的黄色固体沉淀过滤、真空干燥后即为所得。
本发明所述的金属有机钨配合物的合成方法,其中:
结构式为的2,2'-[[[2-(二甲基氨基)乙基]亚氨基]双(亚甲基)]-双[4,6-二甲基苯酚]的制备方法是:将1倍物质的量的2,4-二甲基苯酚,2倍物质的量的N,N-二甲基乙二胺和3倍物质的量的36%甲醛水溶液加入到甲醇溶液,在室温下搅拌3天;将混合物在冰箱中冷却过夜,过滤并用冰冷的甲醇充分洗涤,将混合物冷却并滤出白色沉淀,重结晶后即为所得。
结构式为的2,2'-[[(2-甲氧基乙基)亚氨基]双(亚甲基)]双[4,6-二甲基苯酚]的制备方法是:将1倍物质的量的2,4-二甲基苯酚,2倍物质的量的2-甲氧基乙胺和3倍物质的量的甲醛水溶液加入到甲醇溶液搅拌并加热,回流24小时;将混合物冷却并过滤,并将残余物溶于甲醇中并加热回流2小时,将混合物冷却并滤出白色沉淀,重结晶后即为所得。
结构式为的2,2'-[[[2-(二叔丁基氨基)乙基]亚氨基]双(亚甲基)]-双[4,6-二甲基苯酚]的制备方法是:将1倍物质的量的2,4-二叔丁基苯酚,2倍物质的量的N,N-二甲基乙二胺和3倍物质的量的36%甲醛水溶液加入到甲醇溶液,在室温下搅拌3天;将混合物在冰箱中冷却过夜,过滤并用冰冷的甲醇充分洗涤,将混合物冷却并滤出白色沉淀,重结晶后即为所得。
结构式为的2,2'-[[[2-(吡咯)乙基]亚氨基]双(叔丁基)]-双[4,6-二甲基苯酚]的制备方法是:将1倍物质的量的2,4-二叔丁基苯酚,2倍物质的量的2-(2-氨乙基)吡啶和3倍物质的量的36%甲醛水溶液加入到甲醇溶液搅拌并加热,回流24小时;将混合物冷却并过滤,并将残余物溶于甲醇中并加热回流2小时,将混合物冷却并滤出白色沉淀,重结晶后即为所得。
通过对本发明合成的金属有机钨配合物紫外吸收光谱和荧光发射光谱进行研究,其紫外最大吸收波长位于260nm左右,最大荧光发射光谱位于285nm左右。本发明合成的金属钨配合物可作为有机发光二极管的发光层。同时,为研究该类化合物的性质和应用提供了依据。
附图说明
图1-1是MeNOON在甲醇溶液中的紫外可见吸收光谱(c=4×10-7mol·L-1);
图1-2是MeNOOO在甲醇溶液中的紫外可见吸收光谱(c=4×10-7mol·L-1);
图1-3是BuNOON在甲醇溶液中的紫外可见吸收光谱(c=4×10-7mol·L-1);
图1-4是PyNOOO在甲醇溶液中的紫外可见吸收光谱(c=4×10-7mol·L-1);
图2-1是MeNOON在甲醇溶液中的荧光发射光谱(c=4×10-7mol·L-1);
图2-2是MeNOOO在甲醇溶液中的荧光发射光谱(c=4×10-7mol·L-1);
图2-3是BuNOON在甲醇溶液中的荧光发射光谱(c=4×10-7mol·L-1);
图2-4是PyNOOO在甲醇溶液中的荧光发射光谱(c=4×10-7mol·L-1)。
具体实施方式
下面结合附图及具体实施例对本发明做进一步的说明,但下述实施例绝非对本发明有任何限制。
实施例1:金属有机钨配合物MeNOON的合成,步骤如下:
制备结构式为的2,2'-[[[2-(二甲基氨基)乙基]亚氨基]双(亚甲基)]-双[4,6-二甲基苯酚],将2,4-二甲基苯酚(2.95g,24.2mmol),N,N-二甲基乙二胺(1.35mL,12.3mmol)和36%甲醛水溶液(2.5mL,33.6mmol)加入到甲醇(10mL)溶液在室温下搅拌3天。将混合物在冰箱中冷却过夜,过滤并用冰冷的甲醇充分洗涤,得到无色粉末中间体。其可通过从甲醇中重结晶而进一步纯化。反应式如下:
在氮气保护下向无水的甲苯中加入上述步骤制得的2,2'-[[[2-(二甲基氨基)乙基]亚氨基]双(亚甲基)]-双[4,6-二甲基苯酚](0.969g,2.72mmol),向溶液中加入WO2Cl2(0.8g,2.72mmol)和吡啶(0.45ml,5.92mmol)。将反应混合物回流24小时。将反应混合物减压旋蒸除去溶剂,用100ml二氯甲烷溶解后,通过砂芯漏斗抽滤并收集滤液。减压旋蒸除去约95ml二氯甲烷,向剩余的二氯甲烷溶液中加入甲醇,生成黄色固体沉淀,过滤得到黄色固体,并真空干燥。反应式如下:
图1-1是该MeNOON在甲醇溶液中的紫外可见吸收光谱(c=4×10-7mol·L-1),图2-1是该MeNOON在甲醇溶液中的荧光发射光谱(c=4×10-7mol·L-1),从图1-1和图2-1可得,该MeNOON的紫外最大吸收波长位于260nm,最大荧光发射光谱位于285nm。
实施例2:金属有机钨配合物MeNOOO的合成,步骤如下:
制备结构式为的2,2'-[[(2-甲氧基乙基)亚氨基]双(亚甲基)]双[4,6-二甲基苯酚]:将2,4-二甲基苯酚(1.95g,16.0mmol),2-甲氧基乙胺(0.52mL,6.00mmol)和甲醛水溶液(36%,1.2mL,16mmol)加入到甲醇溶液搅拌并加热,回流24小时。将混合物冷却并过滤,并将残余物溶于甲醇中并加热回流2小时。将混合物冷却并滤出白色沉淀,重结晶得到产物中间体。反应式如下:
在氮气保护下向无水的甲苯中的加入上述步骤制得的2,2'-[[(2-甲氧基乙基)亚氨基]双(亚甲基)]双[4,6-二甲基苯酚](0.934g,2.72mmol),向溶液中加入WO2Cl2(0.8g,2.72mmol)和吡啶(0.45ml,5.92mmol)。将反应混合物回流24小时。将反应混合物减压旋蒸除去溶剂,用100ml二氯甲烷溶解后,通过砂芯漏斗抽滤并收集滤液。减压旋蒸除去约95ml二氯甲烷,向剩余的二氯甲烷溶液中加入甲醇,生成黄色固体沉淀,过滤得到黄色固体,并真空干燥。
反应式如下:
图1-2是该MeNOOO在甲醇溶液中的紫外可见吸收光谱(c=4×10-7mol·L-1);图2-2是MeNOOO在甲醇溶液中的荧光发射光谱(c=4×10-7mol·L-1),从图1-2和图2-2可得,该MeNOOO的紫外最大吸收波长位于261nm,最大荧光发射光谱位于284nm。
实施例3:金属有机钨配合物BuNOON的合成,步骤如下:
制备结构式为的2,2'-[[[2-(二叔丁基氨基)乙基]亚氨基]双(亚甲基)]-双[4,6-二甲基苯酚]:将2,4-二叔丁基苯酚(5.0g,24.2mmol),N,N-二甲基乙二胺(1.35mL,12.3mmol)和36%甲醛水溶液(2.5mL,33.6mmol)加入到甲醇(10mL)溶液在室温下搅拌3天。将混合物在冰箱中冷却过夜,过滤并用冰冷的甲醇充分洗涤,得到无色粉末中间体,其可通过从甲醇中重结晶而进一步纯化。反应式如下:
在氮气保护下向干燥的甲苯中的加入加入上述步骤制得的2,2'-[[[2-(二叔丁基氨基)乙基]亚氨基]双(亚甲基)]-双[4,6-二甲基苯酚](1.426g,2.72mmol),向溶液中加入WO2Cl2(0.8g,2.72mmol)和吡啶(0.45ml,5.92mmol)。将反应混合物回流24小时。将反应混合物减压旋蒸除去溶剂,用100ml二氯甲烷溶解后,通过砂芯漏斗抽滤并收集滤液。减压旋蒸除去约95ml二氯甲烷,向剩余的二氯甲烷溶液中加入甲醇,生成黄色固体沉淀,过滤得到黄色固体,并真空干燥。反应式如下:
图1-3是BuNOON在甲醇溶液中的紫外可见吸收光谱(c=4×10-7mol·L-1),图2-3是BuNOON在甲醇溶液中的荧光发射光谱(c=4×10-7mol·L-1);从图1-3和图2-3可得,该BuNOON的紫外最大吸收波长位于261nm,最大荧光发射光谱位于284nm。
实施例4:金属有机钨配合物PyNOON的合成。步骤如下:
制备结构式为的,2,2'-[[[2-(吡咯)乙基]亚氨基]双(叔丁基)]-双[4,6-二甲基苯酚]:将2,4-二叔丁基苯酚(5.0g,24.2mmol),2-(2-氨乙基)吡啶(1.59mL,12.3mmol)和36%甲醛水溶液(3.0mL,36.0mmol)加入到甲醇溶液搅拌并加热,回流24小时。将混合物冷却并过滤,并将残余物溶于甲醇中并加热回流2小时。将混合物冷却并滤出白色沉淀,重结晶得到产物中间体。反应式如下:
在氮气保护下向无水的甲苯中的加入加入上述步骤制得的,2,2'-[[[2-(吡咯)乙基]亚氨基]双(叔丁基)]-双[4,6-二甲基苯酚];(1.478g,2.72mmol),向溶液中加入WO2Cl2(0.8g,2.72mmol)和吡啶(0.45ml,5.92mmol)。将反应混合物回流24小时。将反应混合物减压旋蒸除去溶剂,用100ml二氯甲烷溶解后,通过砂芯漏斗抽滤并收集滤液。减压旋蒸除去约95ml二氯甲烷,向剩余的二氯甲烷溶液中加入甲醇,生成黄色固体沉淀,过滤得到黄色固体,并真空干燥。反应式如下:
图1-4是PyNOOO在甲醇溶液中的紫外可见吸收光谱(c=4Δ10-7mol·L-1),图2-4是PyNOOO在甲醇溶液中的荧光发射光谱(c=4×10-7mol·L-1),从图1-4和图2-4可得,该PyNOON的紫外最大吸收波长位于260nm,最大荧光发射光谱位于284nm。
综上,本发明合成得到的金属有机钨配合物,紫外最大吸收波长位于260nm左右,最大荧光发射光谱位于285nm左右。本发明合成的金属钨配合物可作为有机发光二极管的发光层。同时,为研究该类化合物的性质和应用提供了依据。
尽管上面结合附图对本发明进行了描述,但是本发明并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,本领域的普通技术人员在本发明的启示下,在不脱离本发明宗旨的情况下,还可以做出很多变形,这些均属于本发明的保护之内。
Claims (8)
1.一种金属有机钨配合物,其特征在于,结构式是下述A、B、C、D中的一种:
A:
B:
C:
D:
其中:
MeNOON的紫外最大吸收波长位于260nm,最大荧光发射光谱位于285nm;
MeNOOO的紫外最大吸收波长位于261nm,最大荧光发射光谱位于284nm;
BuNOON的紫外最大吸收波长位于261nm,最大荧光发射光谱位于284nm;
PyNOON的紫外最大吸收波长位于260nm,最大荧光发射光谱位于284nm。
2.一种如权利要求1所述金属有机钨配合物的合成方法,其特征在于:用1倍物质的量的2,4-二取代苯酚亚胺类化合物和1倍物质的量的二氯二氧化钨和1:2.1至1:2.2倍物质的量的吡啶,其中的2,4-二取代苯酚亚胺类化合物是下述四种结构式之一:
结构式一:2,2'-[[[2-(二甲基氨基)乙基]亚氨基]双(亚甲基)]-双[4,6-二甲基苯酚];
结构式二:2,2'-[[(2-甲氧基乙基)亚氨基]双(亚甲基)]双[4,6-二甲基苯酚];
结构式三:2,2'-[[[2-(二叔丁基氨基)乙基]亚氨基]双(亚甲基)]-双[4,6-二甲基苯酚];
结构式四:2,2'-[[[2-(吡咯)乙基]亚氨基]双(叔丁基)]-双[4,6-二甲基苯酚];
以甲苯为溶剂,在115℃至120℃的条件下回流反应至少24小时,得到金属有机钨配合物。
3.如权利要求2所述金属有机钨配合物的合成方法,其特征在于:按照所确定的量,在氮气保护下向无水的甲苯中的加入2,4-二取代苯酚亚胺类化合物;向溶液中加入二氯二氧化钨和吡啶;将反应混合物回流24小时;将反应混合物减压旋蒸除去溶剂,用二氯甲烷溶解后,通过砂芯漏斗抽滤并收集滤液;减压旋蒸除去19倍物质的量的二氯甲烷,剩余1倍物质的量的二氯甲烷,向剩余的二氯甲烷溶液中加入甲醇,将生成的黄色固体沉淀过滤、真空干燥后即为所得。
4.如权利要求2或3所述金属有机钨配合物的合成方法,其特征在于:2,2'-[[[2-(二甲基氨基)乙基]亚氨基]双(亚甲基)]-双[4,6-二甲基苯酚]的制备方法是:
将1倍物质的量的2,4-二甲基苯酚,2倍物质的量的N,N-二甲基乙二胺和3倍物质的量的36%甲醛水溶液加入到甲醇溶液,在室温下搅拌3天;将混合物在冰箱中冷却过夜,过滤并用冰冷的甲醇充分洗涤,将混合物冷却并滤出白色沉淀,重结晶得到结构式如下的2,2'-[[[2-(二甲基氨基)乙基]亚氨基]双(亚甲基)]-双[4,6-二甲基苯酚]:
5.如权利要求2或3所述金属有机钨配合物的合成方法,其特征在于:2,2'-[[(2-甲氧基乙基)亚氨基]双(亚甲基)]双[4,6-二甲基苯酚]的制备方法是:
将1倍物质的量的2,4-二甲基苯酚,2倍物质的量的2-甲氧基乙胺和3倍物质的量的甲醛水溶液加入到甲醇溶液搅拌并加热,回流24小时;将混合物冷却并过滤,并将残余物溶于甲醇中并加热回流2小时,将混合物冷却并滤出白色沉淀,重结晶得到结构式如下的2,2'-[[(2-甲氧基乙基)亚氨基]双(亚甲基)]双[4,6-二甲基苯酚]:
6.如权利要求2或3所述金属有机钨配合物的合成方法,其特征在于:2,2'-[[[2-(二叔丁基氨基)乙基]亚氨基]双(亚甲基)]-双[4,6-二甲基苯酚]的制备方法是:
将1倍物质的量的2,4-二叔丁基苯酚,2倍物质的量的N,N-二甲基乙二胺和3倍物质的量的36%甲醛水溶液加入到甲醇溶液,在室温下搅拌3天;将混合物在冰箱中冷却过夜,过滤并用冰冷的甲醇充分洗涤,将混合物冷却并滤出白色沉淀,重结晶得到结构式如下的2,2'-[[[2-(二叔丁基氨基)乙基]亚氨基]双(亚甲基)]-双[4,6-二甲基苯酚]:
7.如权利要求2或3所述金属有机钨配合物的合成方法,其特征在于:2,2'-[[[2-(吡咯)乙基]亚氨基]双(叔丁基)]-双[4,6-二甲基苯酚]的制备方法是:
将1倍物质的量的2,4-二叔丁基苯酚,2倍物质的量的2-(2-氨乙基)吡啶和3倍物质的量的36%甲醛水溶液加入到甲醇溶液搅拌并加热,回流24小时;将混合物冷却并过滤,并将残余物溶于甲醇中并加热回流2小时,将混合物冷却并滤出白色沉淀,重结晶得到结构式如下的2,2'-[[[2-(吡咯)乙基]亚氨基]双(叔丁基)]-双[4,6-二甲基苯酚]:
8.一种如权利要求1所述的金属有机钨配合物的应用,其特征在于,将如权利要求2或3制备得到的金属有机钨配合物用于有机发光二极管的发光层。
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